CA1251766A - Waste transfer packers - Google Patents
Waste transfer packersInfo
- Publication number
- CA1251766A CA1251766A CA000481058A CA481058A CA1251766A CA 1251766 A CA1251766 A CA 1251766A CA 000481058 A CA000481058 A CA 000481058A CA 481058 A CA481058 A CA 481058A CA 1251766 A CA1251766 A CA 1251766A
- Authority
- CA
- Canada
- Prior art keywords
- ram
- spigot
- container
- waste
- transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/3042—Containers provided with, or connectable to, compactor means
Abstract
ABSTRACT
A waste transfer packer having a horizontally reciprocable ram operating in a hollow spigot to deliver and compress waste material from a chute or hopper, has a spigot adapted to extend into a container through a pair of doors hinged about horizontal axes.
Problems can arise on disconnection of the container from the packer due to re-expansion of hte load within the container.
The invention provides a spigot extending almost to the position of maximum penetration of the ram so as to continue to support the load while the ram is withdrawn and during dis-connection of the container. The spigot shape can provide a sloping or stepped support by a suitable profiling of the spigot front face.
A waste transfer packer having a horizontally reciprocable ram operating in a hollow spigot to deliver and compress waste material from a chute or hopper, has a spigot adapted to extend into a container through a pair of doors hinged about horizontal axes.
Problems can arise on disconnection of the container from the packer due to re-expansion of hte load within the container.
The invention provides a spigot extending almost to the position of maximum penetration of the ram so as to continue to support the load while the ram is withdrawn and during dis-connection of the container. The spigot shape can provide a sloping or stepped support by a suitable profiling of the spigot front face.
Description
76~
WASTE TRANSFER PACKERS
It is desirable in the operation of waste transfer packers that the load should be retained, with a minimum of re-expansion, especially on completion of the packing operation. This could be done by leaving the ram that reciprocates into the opening of the transfer Gontainer in the position of full penetration on completion of the packing operation. If the ram is not in this -position, some spillage will tend to take place because of the springiness of the material. Leaving the ram in the full ~enetration position, however, boost pressure having been applied, means that it is difficult or impossible to release the hooks that keep the container coupled to the packer because of the tension on them. Waiting for enough settlement in the load would take an unacceptable time. Thus, even when other precautions are taken against spillage, as in our co-pending application No.
413798-1~here is still the -timè factor which can involve a wait of upwards of five minutes.
According to one aspect of the invention a waste tran-fer - packer is provided with a reciprocable ram operating in a spigot or register which engages in an opening in the lower part of a wall of a transfer container characterised in that the spigot extends approximately to the full extent of the ra~n penetration, so as to be capable of retaining the load against re-expansion while the hooks are unlatched. Preferably the full pene-tration position of the ram is slightly greater than that of the spigot, so that when the ram is withdrawn there is a small relaxation of the load pressure to permit the hooks to be disengaged, but even without this, since the spigot is hollow, it presents ~k ~s~
small area to the load, so that hook disengagement is made easier, at least in a shorter time than would otherwise be the case.
Preferably the spigot has a lower margin and co-extensive therewith a pair of side walls which extend part way up the ram, the side walls being cut back at an angle above this level to ; provide the spigot with a sloping load-supporting face.
In another form of the invention the spigot side walls extend ver~ically from the lower margin about a quarter of the ram height, whereafter they slope backwards to the level of the top of the ram and then extend vertically upwards to the breaker bar of the~spigot.
In a further form of the invention the spigot side walls extend vertically from the lower margin about one half of the ram height, whereafter they slope backwards to the level of about three quarters of the ram height and then extend vertically upwards to the breaker bar of the spigot.
The invention further provides a method of operation of a transfer packer and container wherein on completion of the packing operation the ram is returned to a withdrawn position with the spigot retaining the load while the hooks are unlatched.
Other features of the invention will appear from the following description having reference to the accompanying drawings in which:-Figure 1 is a sectional side elevation, schematically represented, of the relevant parts of a packer and a vehicle container, ~5~
Figure 2 is a scrap view corresponding to part of Figure 1 showing one form of spigot, and Figure 3 is a similar view showing another form of spigot.
Referring to Figure 1 of the drawings, a feed chute 1 is arranged below the upper delivery point of an elevating conveyor
WASTE TRANSFER PACKERS
It is desirable in the operation of waste transfer packers that the load should be retained, with a minimum of re-expansion, especially on completion of the packing operation. This could be done by leaving the ram that reciprocates into the opening of the transfer Gontainer in the position of full penetration on completion of the packing operation. If the ram is not in this -position, some spillage will tend to take place because of the springiness of the material. Leaving the ram in the full ~enetration position, however, boost pressure having been applied, means that it is difficult or impossible to release the hooks that keep the container coupled to the packer because of the tension on them. Waiting for enough settlement in the load would take an unacceptable time. Thus, even when other precautions are taken against spillage, as in our co-pending application No.
413798-1~here is still the -timè factor which can involve a wait of upwards of five minutes.
According to one aspect of the invention a waste tran-fer - packer is provided with a reciprocable ram operating in a spigot or register which engages in an opening in the lower part of a wall of a transfer container characterised in that the spigot extends approximately to the full extent of the ra~n penetration, so as to be capable of retaining the load against re-expansion while the hooks are unlatched. Preferably the full pene-tration position of the ram is slightly greater than that of the spigot, so that when the ram is withdrawn there is a small relaxation of the load pressure to permit the hooks to be disengaged, but even without this, since the spigot is hollow, it presents ~k ~s~
small area to the load, so that hook disengagement is made easier, at least in a shorter time than would otherwise be the case.
Preferably the spigot has a lower margin and co-extensive therewith a pair of side walls which extend part way up the ram, the side walls being cut back at an angle above this level to ; provide the spigot with a sloping load-supporting face.
In another form of the invention the spigot side walls extend ver~ically from the lower margin about a quarter of the ram height, whereafter they slope backwards to the level of the top of the ram and then extend vertically upwards to the breaker bar of the~spigot.
In a further form of the invention the spigot side walls extend vertically from the lower margin about one half of the ram height, whereafter they slope backwards to the level of about three quarters of the ram height and then extend vertically upwards to the breaker bar of the spigot.
The invention further provides a method of operation of a transfer packer and container wherein on completion of the packing operation the ram is returned to a withdrawn position with the spigot retaining the load while the hooks are unlatched.
Other features of the invention will appear from the following description having reference to the accompanying drawings in which:-Figure 1 is a sectional side elevation, schematically represented, of the relevant parts of a packer and a vehicle container, ~5~
Figure 2 is a scrap view corresponding to part of Figure 1 showing one form of spigot, and Figure 3 is a similar view showing another form of spigot.
Referring to Figure 1 of the drawings, a feed chute 1 is arranged below the upper delivery point of an elevating conveyor
2 which carries waste frDm a discharge point (not shown) where collecting vehicles can discharge waste. Tne chute discharges into a chamber 3 in which a rectangular-faced ram 4 can be reciprocated horizontally by a hydraulic actuator 5. The ram 4 has a rear apron 6 flush with its upper edge. The forward stroke of the ram commences with its forward face in line with the rear wall 7 of the chamber 3. The fD~nt of the chamber terminates in a spigot 8 which can extend into a lower loading 1~ opening in the rear door 9 of a container 10. The loading opening may be closable by doors of the form described in U . K. Patent 21 09345B which are opened automatically by the entry of the spigot. As the ram moves forward it carries with it waste material that has dropped down in front of it and forces this material into the container 10 along its floor.
Continued reciprocation of the ram 4 gradually fills the container, creating as it does so a rear waste wall 12. The bottom o~ the chute 1 has a deflector 13 supported by a strut 15 and this cooperates with a rearward curve 14 of the chute bottom to cause - 25 low density material which may be carried forward on the ram top to circulate and fall in ~ nt of the ram on its next stroke.
76~
An additional open-topped channel 16 is also provided to accommodate such low density material during the forward stroke and return of the ram.
In Figure 2 of the drawings the door 9 of the container is shown with a spigot 8 in the engaged position so that the hori-zontally hinged doors 21 and 22 are opened. The rarn 4 is shown projecting from the packer to itæ maximum extent. With ,.,~
continued operation of the ram feeding waste into the container a phase is reached where the actuator pressure is balanced by the - 10 resistance of the packed material, and it is then given a booæt æo aæ to increaæe the packing denæity to an optimum value.
In order to prevent the container being puæhed away by the ram, the container is æecured -to the packer by means of hooks which are æometimeæ hydrau:Lically actuated. However, when -the ram iæ in the forward position as shown in the drawing, and booæt preæsure is applied, the tension on the hooks can be so great that disengagement cannot be secured by backing the vehicle, which iæ a uæual method. One poææibility is to leave the ram in itæ forward position for long enough to permit the material to become conæolidated æo that the tension on the hooks iæ reduced. This, however, can take upwards of five minutes in a typical inætallation. Withdrawing the ram cauæeæ other difficultieæ æuch aæ spillage. The arrangement of the invention, however, makes use of a spigot which haæ a considerable extenæion into the interior of the container, and in fact extendæ virtually all the way (typically within 5 cms.) to the maximum forward position reached by the face of the ram. When dis-engagement is required therefore, the ram can be withdrawn to a rearward position but the load and the waste wall will be retained in their position with only a small amount of re-expansion taking place. This is on account of the factthat the spigot is slightly back from the position of the ram face in its forward position and also presen-ts a smaller supporting area, this area being constituted of course by the edges of the spigot so that a very small amount of re-expansion 10 does take place. This permits the tension on the hooks to be reduced to a degree which permits their disengagement without having to wait for the load to settle, and in the case of the automatic doors of the kind shown at 21 and 22 gives an opportunity for the doors to close when the container is pulled away from the packer.
In addition to retai~gthe load in position in boost conditions the nose of the spigot also has the effect of retaining the load during each return stroke of the ram. In the case of an ordinary register which does not projec-t-:appreciably into the container the load in the container will re-expand on each stroke of the packer ram, but with the spigot of -the invention the load is retained during such strokes and compaction of the waste material within the container is thereby made more continuous, and an opportunity is given for the load to settle into a final position at an earlier stage than would otherwise be the case.
This has the added benefit of reducing the power requirement.
~53 ~7~
In addition to providing endwise retention of the loadt the sloping surfaces of the spigot tend to~impart to the load an upward componsnt of force which will assist in filling voids or locations of low density with higher density material.
The arrangement shown in Figure 3 of the drawings is similar to that of Figure 2 but in this case the spigot is cut off at a lower level (of the order of one third of the way up .~
,~ ' the ram) and is sloped off at a shallower angle before rising vertically on a line just within the confines of the container.
This shape has greater ability to induce vertical forces within the mass of waste in the container and to permit the waste wall to build up further back in the container in cases where this is permissible or desirable.
, In both cases -the formation-of the spigot into a somewhat shovel-like shaped component permits the withdrawal of a certain amount of waste material as the container is moved away from the packer withou-t permitting this material to fall on the floor, and this in turn enables the rear waste wall within the container to move downward as disengagement takes place, to form a more gradual slope of the rear waste wall.
A fur~hçr exPçdient ,to.smoqth,the functio~in~.~f,.the transfer is the provision of a flap, shown as 24 in Figure 1, in the form of a flexible loop of material such as rubberised fabric, attached.to the edge of a top breaker bar 25, and is deflected by the top of the ram 4 or waste material on it, so as to press down on such material.
The hingeing of the flap 24 is such that its lower edge can clean off waste material remaining on the upper surface of the ram inside the container as the ram is withdrawn. The contour of the flap, or the contour that it can adopt, ls such that it envelops the underside of the two-part upper door 21, so as further reduce the possibility of this door being fouled by waste material as the jcontainer is withdrawn from the packer.
,.~,
Continued reciprocation of the ram 4 gradually fills the container, creating as it does so a rear waste wall 12. The bottom o~ the chute 1 has a deflector 13 supported by a strut 15 and this cooperates with a rearward curve 14 of the chute bottom to cause - 25 low density material which may be carried forward on the ram top to circulate and fall in ~ nt of the ram on its next stroke.
76~
An additional open-topped channel 16 is also provided to accommodate such low density material during the forward stroke and return of the ram.
In Figure 2 of the drawings the door 9 of the container is shown with a spigot 8 in the engaged position so that the hori-zontally hinged doors 21 and 22 are opened. The rarn 4 is shown projecting from the packer to itæ maximum extent. With ,.,~
continued operation of the ram feeding waste into the container a phase is reached where the actuator pressure is balanced by the - 10 resistance of the packed material, and it is then given a booæt æo aæ to increaæe the packing denæity to an optimum value.
In order to prevent the container being puæhed away by the ram, the container is æecured -to the packer by means of hooks which are æometimeæ hydrau:Lically actuated. However, when -the ram iæ in the forward position as shown in the drawing, and booæt preæsure is applied, the tension on the hooks can be so great that disengagement cannot be secured by backing the vehicle, which iæ a uæual method. One poææibility is to leave the ram in itæ forward position for long enough to permit the material to become conæolidated æo that the tension on the hooks iæ reduced. This, however, can take upwards of five minutes in a typical inætallation. Withdrawing the ram cauæeæ other difficultieæ æuch aæ spillage. The arrangement of the invention, however, makes use of a spigot which haæ a considerable extenæion into the interior of the container, and in fact extendæ virtually all the way (typically within 5 cms.) to the maximum forward position reached by the face of the ram. When dis-engagement is required therefore, the ram can be withdrawn to a rearward position but the load and the waste wall will be retained in their position with only a small amount of re-expansion taking place. This is on account of the factthat the spigot is slightly back from the position of the ram face in its forward position and also presen-ts a smaller supporting area, this area being constituted of course by the edges of the spigot so that a very small amount of re-expansion 10 does take place. This permits the tension on the hooks to be reduced to a degree which permits their disengagement without having to wait for the load to settle, and in the case of the automatic doors of the kind shown at 21 and 22 gives an opportunity for the doors to close when the container is pulled away from the packer.
In addition to retai~gthe load in position in boost conditions the nose of the spigot also has the effect of retaining the load during each return stroke of the ram. In the case of an ordinary register which does not projec-t-:appreciably into the container the load in the container will re-expand on each stroke of the packer ram, but with the spigot of -the invention the load is retained during such strokes and compaction of the waste material within the container is thereby made more continuous, and an opportunity is given for the load to settle into a final position at an earlier stage than would otherwise be the case.
This has the added benefit of reducing the power requirement.
~53 ~7~
In addition to providing endwise retention of the loadt the sloping surfaces of the spigot tend to~impart to the load an upward componsnt of force which will assist in filling voids or locations of low density with higher density material.
The arrangement shown in Figure 3 of the drawings is similar to that of Figure 2 but in this case the spigot is cut off at a lower level (of the order of one third of the way up .~
,~ ' the ram) and is sloped off at a shallower angle before rising vertically on a line just within the confines of the container.
This shape has greater ability to induce vertical forces within the mass of waste in the container and to permit the waste wall to build up further back in the container in cases where this is permissible or desirable.
, In both cases -the formation-of the spigot into a somewhat shovel-like shaped component permits the withdrawal of a certain amount of waste material as the container is moved away from the packer withou-t permitting this material to fall on the floor, and this in turn enables the rear waste wall within the container to move downward as disengagement takes place, to form a more gradual slope of the rear waste wall.
A fur~hçr exPçdient ,to.smoqth,the functio~in~.~f,.the transfer is the provision of a flap, shown as 24 in Figure 1, in the form of a flexible loop of material such as rubberised fabric, attached.to the edge of a top breaker bar 25, and is deflected by the top of the ram 4 or waste material on it, so as to press down on such material.
The hingeing of the flap 24 is such that its lower edge can clean off waste material remaining on the upper surface of the ram inside the container as the ram is withdrawn. The contour of the flap, or the contour that it can adopt, ls such that it envelops the underside of the two-part upper door 21, so as further reduce the possibility of this door being fouled by waste material as the jcontainer is withdrawn from the packer.
,.~,
Claims (10)
1. A waste transfer packer and transfer container combination, said waste transfer packer comprising:
a feed hopper, a hollow spigot extending substantially horizontally from said feed hopper and adapted to penetrate through an aperture in a wall of the transfer container, and a reciprocable ram operable substantially within said spigot to insert charges of waste material from said free hopper into said transfer container, and to compress said charges therein, the maximum penetration of said ram within said transfer container being substantially coextensive with the penetration of said spigot and being of a distance in the order of half the ram height, said spigot having a lower margin and coextensive therewith a pair of side walls, forward edges of said side walls extend upwards initially from a lower margin of said side walls about one quarter of the ram height whereafter said forward edges slope rearwards to about a level of a top of the ram.
a feed hopper, a hollow spigot extending substantially horizontally from said feed hopper and adapted to penetrate through an aperture in a wall of the transfer container, and a reciprocable ram operable substantially within said spigot to insert charges of waste material from said free hopper into said transfer container, and to compress said charges therein, the maximum penetration of said ram within said transfer container being substantially coextensive with the penetration of said spigot and being of a distance in the order of half the ram height, said spigot having a lower margin and coextensive therewith a pair of side walls, forward edges of said side walls extend upwards initially from a lower margin of said side walls about one quarter of the ram height whereafter said forward edges slope rearwards to about a level of a top of the ram.
2. A waste transfer packer for inserting waste material into a transfer container and compressing it therein, said waste transfer packer comprising:
a hollow spigot adapted to penetrate through an aperture in a wall of the container, and a reciprocable rectangular ram operable substantially within said spigot to insert charges of waste material in said container and compress said charges of waster material, said spigot including a bottom wall and attached thereto a pair of side walls each with a forward portion adapted to lie within the container and having a profile, viewed from a side, that commences adjacent the bottom wall with a vertical portion having maximum penetration of the container and being cut away therefrom on an upwardly facing slope to a further vertical portion having minimum penetration of the container, said upwardly facing slopes being adapted to provide support for a rearwardly directed wall of waste within the container when the ram is withdrawn.
a hollow spigot adapted to penetrate through an aperture in a wall of the container, and a reciprocable rectangular ram operable substantially within said spigot to insert charges of waste material in said container and compress said charges of waster material, said spigot including a bottom wall and attached thereto a pair of side walls each with a forward portion adapted to lie within the container and having a profile, viewed from a side, that commences adjacent the bottom wall with a vertical portion having maximum penetration of the container and being cut away therefrom on an upwardly facing slope to a further vertical portion having minimum penetration of the container, said upwardly facing slopes being adapted to provide support for a rearwardly directed wall of waste within the container when the ram is withdrawn.
3. A waste transfer packer according to claim 2 wherein the spigot penetration and the maximum ram penetration are substantially coextensive.
4. A waste transfer packer according to claim 2 wherein the side walls have forward edges which extend upwards initially from the bottom wall about one quarter of the ram height whereafter said forward edges slope rearwards to adjacent the level of the top of the ram.
5. A waste transfer packer according to claim 2 wherein the side walls have forward edges which extend upwards initially from the bottom wall about one half the height of the ram whereafter said forward edges slope rearwards to a level about three quarters of the ram height and then extend upwards towards an upper margin of the spigot.
6. A waste transfer packer according to claim 2 wherein further comprising a feed chute for transferring waste to the spigot, and an upwardly directed channel is provided between the feed chute and a part of the spigot that enters the container so as to provide a buffer for low density material during a forward stroke of the ram and from which such material can fall back into the path of the ram on its next stroke.
7. A waste transfer packer for inserting waste material into a transfer container and compressing it therein, said waste transfer packer comprising:
a rectangular ram reciprocable to penetrate through an aperture in a wall of the container a distance at least half the ram height, and a spigot within which the ram operates and adapted to extend into the container approximately to the full extent of the ram penetration, the spigot having side walls, forward edges of said side walls being sloped back to provide upwardly directed support for compacted material within the container.
a rectangular ram reciprocable to penetrate through an aperture in a wall of the container a distance at least half the ram height, and a spigot within which the ram operates and adapted to extend into the container approximately to the full extent of the ram penetration, the spigot having side walls, forward edges of said side walls being sloped back to provide upwardly directed support for compacted material within the container.
8. A waste transfer packer and transfer container combination according to claim 7 further comprising a feed chute for transferring waste to the spigot, and said packer includes an upwardly directed channel between the feed chute and a part of the spigot that enters the container, so as to provide a buffer for low density material during a forward stroke of the ram and from which such material can fall back into the path of the ram on its next stroke.
9. A waste transfer packer and transfer container combination, said waste transfer packer comprising:
a feed hopper, a hollow spigot extending substantially horizontally from said feed hopper and adapted to penetrate through an aperture in a wall of the transfer container, and a reciprocable ram operable substantially within said spigot to insert charges of waste material from said feed hopper into said transfer container and to compress said charges therein, the maximum penetration of said ram within said transfer container being substantially coextensive with the penetration of said spigot and being of a distance in the order of half the ram height, said spigot having a lower margin and coextensive therewith a pair of side walls, forward edges of said side walls extend upward initially about one half of the ram height whereafter said forward edges slope rearwards to a level about three quarters of the ram height and then extend upwards towards an upper margin of the spigot.
a feed hopper, a hollow spigot extending substantially horizontally from said feed hopper and adapted to penetrate through an aperture in a wall of the transfer container, and a reciprocable ram operable substantially within said spigot to insert charges of waste material from said feed hopper into said transfer container and to compress said charges therein, the maximum penetration of said ram within said transfer container being substantially coextensive with the penetration of said spigot and being of a distance in the order of half the ram height, said spigot having a lower margin and coextensive therewith a pair of side walls, forward edges of said side walls extend upward initially about one half of the ram height whereafter said forward edges slope rearwards to a level about three quarters of the ram height and then extend upwards towards an upper margin of the spigot.
10. A waste transfer packer and transfer container combination, said waste transfer packer comprising:
a feed hopper, a hollow spigot extending substantially horizontally from said feed hopper and adapted to penetrate through an aperture in a wall of the transfer container, a reciprocable ram operable substantially within said spigot to insert charges of waste material from said feed hopper into said transfer container and to compress said charges therein, the maximum penetration of said ram within said transfer container being substantially coextensive with the penetration of said spigot and being of a distance in the order of half the ram height, and an upwardly directed channel providing between said hopper and a part of said spigot that enters the container so as to provide a buffer for low density material during a forward stroke of the ram and from which such material can fall back into the path of the ram on its next stroke.
a feed hopper, a hollow spigot extending substantially horizontally from said feed hopper and adapted to penetrate through an aperture in a wall of the transfer container, a reciprocable ram operable substantially within said spigot to insert charges of waste material from said feed hopper into said transfer container and to compress said charges therein, the maximum penetration of said ram within said transfer container being substantially coextensive with the penetration of said spigot and being of a distance in the order of half the ram height, and an upwardly directed channel providing between said hopper and a part of said spigot that enters the container so as to provide a buffer for low density material during a forward stroke of the ram and from which such material can fall back into the path of the ram on its next stroke.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8411933 | 1984-05-10 | ||
| GB08411933A GB2159117B (en) | 1984-05-10 | 1984-05-10 | Waste transfer packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1251766A true CA1251766A (en) | 1989-03-28 |
Family
ID=10560732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000481058A Expired CA1251766A (en) | 1984-05-10 | 1985-05-08 | Waste transfer packers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4677909A (en) |
| EP (1) | EP0161893A3 (en) |
| CA (1) | CA1251766A (en) |
| GB (1) | GB2159117B (en) |
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| US7891156B2 (en) * | 2009-03-24 | 2011-02-22 | Rethceif Enterprises, Llc | Packaging apparatus and method of packaging |
| US8662813B2 (en) * | 2010-01-22 | 2014-03-04 | Greg R. Bushong | Loading apparatus for transport container |
| FI124098B (en) * | 2012-09-04 | 2014-03-14 | Maricap Oy | Plant for handling material and press / compactor device |
| US9738464B1 (en) | 2012-10-18 | 2017-08-22 | Scott Sakajian | System and method for protecting containers from damage during loading |
| KR102187030B1 (en) * | 2020-07-16 | 2020-12-04 | 엠엔테크(주) | Apparatus for compressing waste |
| KR102187031B1 (en) * | 2020-07-16 | 2020-12-04 | 엠엔테크(주) | Apparatus for compressing waste |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095425A (en) * | 1900-01-01 | |||
| GB440900A (en) * | 1934-08-11 | 1936-01-08 | Erith S Engineering Company Lt | Improvements in and connected with means for feeding coal, coal slurry and other viscid material to conveying mechanism |
| DE649640C (en) * | 1934-09-20 | 1937-08-28 | Waldemar Lindemann | Standing baler for fibrous goods, especially wool, silk |
| GB568855A (en) * | 1943-09-06 | 1945-04-24 | Steel Products Eng Co | Improvements in or relating to hydraulic controls |
| GB700437A (en) * | 1952-02-18 | 1953-12-02 | Campling William Meader | Improvements in or relating to reciprocating pumps |
| GB918465A (en) * | 1959-11-17 | 1963-02-13 | Walkers And County Cars Ltd | Improvements in or relating to apparatus for loading and unloading containers |
| US3059789A (en) * | 1959-12-07 | 1962-10-23 | Samuel V Bowles | Refuse collection apparatus |
| US3229618A (en) * | 1962-08-28 | 1966-01-18 | Connor Systems Inc O | Refuse disposal apparatus and system |
| US3368478A (en) * | 1965-09-09 | 1968-02-13 | Disposal Systems Dev Corp | Compaction apparatus |
| US3451571A (en) * | 1967-09-27 | 1969-06-24 | Lodal Inc | Refuse collection |
| US3747519A (en) * | 1971-10-19 | 1973-07-24 | Ram Pack Inc | Trash-compacting apparatus |
| GB2002317B (en) * | 1977-08-02 | 1982-01-13 | London Brick Co | Material compacting apparatus |
| GB2109345B (en) * | 1981-10-24 | 1985-09-11 | Devon County Council | Doors for containers |
| FR2521109B3 (en) * | 1982-02-11 | 1985-07-19 | Genet Gerard | DEVICE FOR COMPLETING COMPACTION, CARRIED OUT BY MEANS KNOWN IN ITSELF, OF WASTE IN A HANDLING AND TRANSPORT CONTAINER |
-
1984
- 1984-05-10 GB GB08411933A patent/GB2159117B/en not_active Expired
-
1985
- 1985-05-07 EP EP85303204A patent/EP0161893A3/en not_active Withdrawn
- 1985-05-08 US US06/731,898 patent/US4677909A/en not_active Expired - Fee Related
- 1985-05-08 CA CA000481058A patent/CA1251766A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2159117B (en) | 1988-02-03 |
| EP0161893A3 (en) | 1986-08-27 |
| US4677909A (en) | 1987-07-07 |
| GB8411933D0 (en) | 1984-06-13 |
| EP0161893A2 (en) | 1985-11-21 |
| GB2159117A (en) | 1985-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20060328 |