DE1264744B - Spray head for the production of panels - Google Patents
Spray head for the production of panelsInfo
- Publication number
- DE1264744B DE1264744B DEC23536A DEC0023536A DE1264744B DE 1264744 B DE1264744 B DE 1264744B DE C23536 A DEC23536 A DE C23536A DE C0023536 A DEC0023536 A DE C0023536A DE 1264744 B DE1264744 B DE 1264744B
- Authority
- DE
- Germany
- Prior art keywords
- cross
- channel
- sections
- pressing
- injection head
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
- B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
Description
BUNDESREPUBLIK DEUTSCHLANDFEDERAL REPUBLIC OF GERMANY
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
AUSLEGESCHRIFTEDITORIAL
Int. CI.:Int. CI .:
B29dB29d
Deutsche Kl.: 39 a3 - 7/04German class: 39 a3 - 7/04
Nummer: 1264 744Number: 1264 744
Aktenzeichen: C 23536 X/39 a3File number: C 23536 X / 39 a3
Anmeldetag: 1. März 1961Filing date: March 1, 1961
Auslegetag: 28. März 1968Opening day: March 28, 1968
Der den Gegenstand des Hauptpatents 1156 967 bildende Spritzkopf zum Herstellen von Platten oder Folien durch Auspressen von plastischem Material, insbesondere von steifem Polyvinylchlorid, mit einem Speisungskanal, der sich zwischen dem Einlaß und dem Auslaß mehrfach verzweigt und dessen Gesamtquerschnitt zwischen Ein- und Auslaß konstant ist oder geringfügig abnimmt, kennzeichnet sich dadurch, daß sich aufeinanderfolgende Abschnitte des Speisungskanals in verschiedenen, übereinanderliegenden Ebenen befinden und der Querschnitt der Speisungsabschnitte flach, elliptisch oder kreuzförmig ist.The subject of the main patent 1156 967 forming die head for the production of sheets or foils by pressing out plastic material, in particular of rigid polyvinyl chloride, with a feed channel extending between the inlet and branched several times at the outlet and its total cross-section between inlet and outlet is constant or slightly decreases, is characterized in that successive sections of the Feed channel located in different, superimposed levels and the cross-section of the Feed sections is flat, elliptical or cross-shaped.
Durch die Anordnung der verschiedenen Speisungskanalabschnitte in übereinanderliegende Ebenen ergibt sich ein kompakter Spritzkopf mit im Verhältnis zu seinem Volumen kleiner Oberfläche. Ein solcher Spritzkopf kann gut so beheizt werden, daß er an allen Punkten im wesentlichen gleiche Temperatur besitzt. Für eine gleichmäßige Erwärmung des Materials wird gemäß dem Hauptpatent der Wärmefließweg von der wärmeaufnehmenden Oberfläche bis zum innersten Punkt des Materials an allen Stellen möglichst klein gehalten, was durch Anwendung von flachen, elliptischen oder kreuzförmigen Querschnittsformen für die Speisungskanalquerschnitte erreicht ist.Due to the arrangement of the different feed channel sections in superimposed levels the result is a compact spray head with a small surface area in relation to its volume. Such a The spray head can be heated so that it has essentially the same temperature at all points owns. According to the main patent, the heat flow path is used for uniform heating of the material from the heat-absorbing surface to the innermost point of the material in all places kept as small as possible, which is achieved by using flat, elliptical or cruciform cross-sectional shapes for the feed channel cross-sections is.
Infolge der gemäß der erfinderischen Maßnahmen des Hauptpatents erzielten sehr gedrungenen Bauart eines Spritzkopfes wird es möglich, worauf schon die Patentschrift des Hauptpatents verweist, mehrere Spritzköpfe nebeneinanderzulegen, so daß sie alle in den gleichen Endkanal münden, aus dem das Werkstück ausgepreßt wird. Der Zweck der vorliegenden Erfindung ist es, einen solchen Spritzkopf so weiterzubilden, daß sich nicht nur Profilwerkstücke besonders großer Breitenausdehnung, sondern auch von Querschnitten unterschiedlicher Dicke herstellen lassen. Dieser Zweck wird erfindungsgemäß erreicht durch mehrere nebeneinanderliegende Hauptspeisungskanäle, von denen jeder von wenigstens einer Preßvorrichtung speisbar ist, wobei die Querschnittsform des allen Preßvorrichtungen gemeinsamen Endkanals ungleichförmig ist und die Durchsatzleistung der einzelnen Preßvorrichtungen dem örtlich unterschiedlichen Querschnitt des Endkanals entspricht.As a result of the very compact design achieved according to the inventive measures of the main patent of a spray head it becomes possible, as the patent specification of the main patent already refers to, several Place spray heads next to each other so that they all open into the same end channel from which the workpiece is squeezed. The purpose of the present invention is to develop such a spray head so that that not only profile workpieces particularly large width extension, but also of Have cross-sections of different thicknesses made. This purpose is achieved according to the invention through several adjacent main feed ducts, each of which by at least one Pressing device can be fed, the cross-sectional shape of the end channel common to all pressing devices is uneven and the throughput of the individual pressing devices the locally different Cross-section of the end channel corresponds.
Die Erfindung wird nachfolgend an Hand der ein Ausführungsbeispiel schematisch und im Längsschnitt darstellenden Zeichnung näher beschrieben.The invention is illustrated schematically and in longitudinal section with reference to an exemplary embodiment descriptive drawing described in more detail.
Der Spritzkopf umfaßt eine Mehrzahl von zur Zuführung dienenden Preßvorrichtungen T1-T2-T3 usw., deren jede ihren eigenen Hauptspeisungskanal Spritzkopf zum Herstellen von PlattenThe spray head comprises a plurality of feed press devices T1-T2-T3 etc., each of which has its own main feed channel spray head for producing plates
Zusatz zum Patent: 1156 967Addendum to the patent: 1156 967
Anmelder:
ίο Luigi Cogliati, Mailand (Italien)Applicant:
ίο Luigi Cogliati, Milan (Italy)
Vertreter:Representative:
Dipl.-Ing. F. Thieleke und Dr.-Ing. R. Döring,
Patentanwälte,
3300 Braunschweig, Jasperallee 1 aDipl.-Ing. F. Thieleke and Dr.-Ing. R. Döring,
Patent attorneys,
3300 Braunschweig, Jasperallee 1 a
Als Erfinder benannt:Named as inventor:
Luigi Cogliati, Mailand (Italien)Luigi Cogliati, Milan (Italy)
Beanspruchte Priorität:Claimed priority:
Italien vom 29. November 1960 (8511)Italy of November 29, 1960 (8511)
3-3'-3" usw. speist, von welchen jeder sich in aufeinanderfolgende Kanalabschnitte 4-5, 6-7, 4'-5', 6'-7', 4"-5", 6"-7" usw. verzweigt. Diese Kanalabschnitte münden sämtlich in den gemeinsamen Endkanal 8, aus dem die endgültige Platte ausgepreßt wird.3-3'-3 ", etc., each of which feeds into successive Channel sections 4-5, 6-7, 4'-5 ', 6'-7', 4 "-5", 6 "-7", etc. branched. These canal sections all open into the common end channel 8 from which the final plate is pressed will.
Die Querschnitte der Kanäle in den Ebenen C-D, C-D', C-D" bzw. E-F, E'-F', E"-F" oder G-H, G'-H' und G"-H" der Zeichnung können den jeweiligen Erfordernissen entsprechend unterschiedlich sein.The cross-sections of the channels in the planes CD, C-D ', CD " or EF, E'-F', E" -F " or GH, G'-H ' and G" -H "of the drawing can be the respective Be different according to requirements.
Wenn die Platte, z. B. am Endkanal, eine verschiedene Dicke aufweist, ζ. B. in der Mitte dicker sein soll, um dort eine größere Festigkeit aufzuweisen, muß bei drei nebeneinander angeordneten Preßvorrichtungen gemäß dem gezeichneten Ausführungsbeispiel die mittlere, T 2, eine in bezug auf die seitlichen Preßvorrichtungen ΓΙ und Γ3 größere Durchsatzleistung aufweisen.When the plate, e.g. B. at the end channel, has a different thickness, ζ. B. should be thicker in the middle, in order to have a greater strength there, must with three juxtaposed pressing devices according to the illustrated embodiment, the middle, T 2, have a relative to the side pressing devices ΓΙ and Γ3 greater throughput.
Es ist ferner vorgesehen, daß jeder Kanal 3-3'-3" gleichzeitig von zwei oder mehreren Preßvorrichtungen
gespeist werden kann.
Der Spritzkopf gemäß vorliegender Erfindung eignet sich also dazu, Platten beliebiger Länge, Breite
und Profilgebung herzustellen, da es möglich ist, eine beliebige Anzahl von Preßvorrichtungen zu kuppeln,It is also provided that each channel 3-3'-3 "can be fed simultaneously by two or more pressing devices.
The spray head according to the present invention is therefore suitable for producing panels of any length, width and profile, since it is possible to couple any number of pressing devices,
809 520/660809 520/660
welche alle auf den gleichen Endkanal 8 einwirken, und die voneinander verschiedene Kennzeichen aufweisen (Durchsatzleistung, Geschwindigkeit, Druck). Ferner kann eine Preßvorrichtung sich in eine einzige Kanalgruppe und eine zweite Preßvorrichtung sich in mehrere Kanalgruppen verzweigen, solange man eine optimale Gleichfönnigkeit des plastischen Materials am Endkanal beachtet.which all act on the same end channel 8 and which have mutually different characteristics (Throughput, speed, pressure). Furthermore, a pressing device can be turned into a single one Channel group and a second pressing device branch into several channel groups as long as one observes an optimal homogeneity of the plastic material at the end channel.
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2057660 | 1960-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1264744B true DE1264744B (en) | 1968-03-28 |
Family
ID=43638615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEC23536A Pending DE1264744B (en) | 1960-11-29 | 1961-03-01 | Spray head for the production of panels |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1264744B (en) |
FR (1) | FR1285580A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3849051A (en) * | 1972-02-16 | 1974-11-19 | E Solbeck | Extrusion apparatus |
WO1986002316A1 (en) * | 1984-10-12 | 1986-04-24 | Princeton Packaging, Inc. | Two-color sheet, article, method and apparatus |
-
1961
- 1961-03-01 DE DEC23536A patent/DE1264744B/en active Pending
- 1961-03-29 FR FR857174A patent/FR1285580A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3849051A (en) * | 1972-02-16 | 1974-11-19 | E Solbeck | Extrusion apparatus |
WO1986002316A1 (en) * | 1984-10-12 | 1986-04-24 | Princeton Packaging, Inc. | Two-color sheet, article, method and apparatus |
US4731004A (en) * | 1984-10-12 | 1988-03-15 | Princeton Packaging, Inc. | Side-by-side co-extrusion of film using multiple materials |
Also Published As
Publication number | Publication date |
---|---|
FR1285580A (en) | 1962-02-23 |
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