US20100223868A1 - Ventilated building block - Google Patents
Ventilated building block Download PDFInfo
- Publication number
- US20100223868A1 US20100223868A1 US12/785,036 US78503610A US2010223868A1 US 20100223868 A1 US20100223868 A1 US 20100223868A1 US 78503610 A US78503610 A US 78503610A US 2010223868 A1 US2010223868 A1 US 2010223868A1
- Authority
- US
- United States
- Prior art keywords
- wall
- center portion
- block
- blocks
- side walls
- 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.)
- Abandoned
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
- E04B1/7069—Drying or keeping dry, e.g. by air vents by ventilating
- E04B1/7076—Air vents for walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
- E04C1/392—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra for ventilating, heating or cooling
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1404—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using building blocks, e.g. from concrete or stone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F2007/0025—Ventilation using vent ports in a wall
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Finishing Walls (AREA)
Abstract
A building block for a ventilated wall includes an elongated center portion flanked by a pair of substantially parallel side walls oriented substantially perpendicularly to the center portion. The center portion has a first vertical wall and a second sloped wall, the second sloped wall extending between a relatively thicker bottom wall of the center portion and a relatively thinner top wall of the center portion. The first wall is co-planar with first edges of the side walls. A stacked arrangement of such blocks, where adjacent blocks are inverted and reversed, establishes front-to-back air passages that do not provide a sight line, and which prevent rain from passing through. A mold assembly for manufacturing the blocks is also disclosed.
Description
- This application is a divisional of U.S. patent application Ser. No. 12/292,376 filed on Nov. 18, 2008, the entirety of which is incorporated by reference.
- This application relates to a building block construction, and more specifically, to a self-ventilating block with weather inhibiting and privacy enhancing features.
- Currently, typical concrete ventilating blocks are formed with straight, internal passages extending vertically through the block, such that when plural blocks are stacked, a ventilating “chimney” is formed. These and other block constructions are well represented in the patent literature. For example, U.S. Pat. No. 2,137,153 discloses ventilated wall blocks that are stacked vertically in an alternately inverted orientation, establishing both vertical and horizontal vent passageways. In U.S. Pat. No. 7,096,634, a block is disclosed that, when stacked, creates vertical vents or cores. Still other block constructions are disclosed in U.S. Pat. Nos. 1,758,757; 2,624,193; and 4,823,530. There remains a need, however, for a horizontally-vented block for use in wall constructions that allows horizontal air circulation through the wall, but that inhibits rain from passing through the wall and that also enhances the privacy of persons on the interior side of the wall.
- In accordance with an exemplary but nonlimiting embodiment of the invention, there is provided a building block for a ventilated wall comprising: an elongated center portion flanked by a pair of substantially parallel side walls oriented substantially perpendicularly to the center portion, the center portion having a first vertical wall and a second sloped wall, said second sloped wall extending between a relatively thicker bottom wall of the center portion and a relatively thinner top wall of the center portion; and wherein the first wall is substantially co-planar with first edges of the side walls.
- In another aspect, the invention relates to a wall unit comprising at least first and second building blocks each having an elongated center portion flanked by a pair of substantially parallel side walls oriented substantially perpendicularly to the center portion, the center portion having a first vertical wall and a second sloped wall, the second sloped wall extending between a relatively thicker base of the center portion and a relatively thinner top of the center portion; the first wall being co-planar with first edges of the side walls, and wherein the first and second building blocks are stacked one on the other, with the second block inverted and reversed relative to the first block.
- In still another embodiment, the invention relates to a mold assembly for forming a ventilated construction block, the mold assembly comprising a mold core including a centrally-located block portion attached to an underside of a core plate portion, the block portion having an inverted, truncated, substantially right-triangle shape including a first sloped surface.
- The invention will now be described in detail in connection with the drawings identified below.
-
FIG. 1 is a top, left perspective view of a concrete block in accordance with an exemplary embodiment of the invention; -
FIG. 2 is a right, rear perspective of the block shown inFIG. 1 ; -
FIG. 3 is a front elevation view of the block shown inFIGS. 1 and 2 ; -
FIG. 4 is a top plan view of the block shown inFIGS. 1 and 2 ; -
FIG. 5 is a right side elevation of the block shown inFIG. 4 ; -
FIG. 6 is a perspective view of the exterior side of a wall constructed of blocks shown inFIGS. 1-5 ; -
FIG. 7 is a section taken through the wall shown inFIG. 6 ; -
FIG. 8 is an enlarged detail taken fromFIG. 7 ; -
FIG. 9 is a perspective view of the interior side of the wall shown inFIG. 6 ; -
FIG. 10 is an exploded perspective view of a mold assembly used in the production of blocks as shown inFIGS. 1-5 ; -
FIG. 11 is a perspective view of the mold assembly ofFIG. 10 but in partially assembled form; -
FIG. 12 is a plan view of one component of a stripper shoe subassembly taken fromFIGS. 10 and 11 ; -
FIG. 13 is an end elevation of the stripper shoe subassembly ofFIGS. 10 and 11 ; -
FIG. 14 is a section taken along the line 14-14 ofFIG. 15 ; -
FIG. 15 is a perspective view of the stripper shoe subassembly shown inFIGS. 10 , 11 and 13; -
FIG. 16 is an end elevation of a mold core component taken from the mold assembly ofFIGS. 10 and 11 ; and -
FIG. 17 is a plan view of the mold core component ofFIG. 16 . - With reference initially to
FIGS. 1-5 , ablock 10 is formed (e.g., molded) to include anelongated center portion 12 with a pair ofside walls FIG. 1 , theblock 10 may be regarded as a top, left, front perspective view, withFIGS. 2-5 described relative toFIG. 1 . Accordingly, the reference to “top”, “bottom”, “front”, “back”, “left” and “right” refers to the block inFIG. 1 , with its “front” side facing forward. It will be understood, however, that adjacent upper and lower blocks are reversed and inverted on assembly, so that the characterization of the block with reference toFIG. 1 is for convenience only. - Accordingly, the
center portion 12 of the block has a flat, substantiallyvertical back wall 18 and a slopedfront wall 20. Theback wall 18 is flush or co-planar with back (or first)edges side walls front wall 20 extends between a relatively thicker bottom wall orbase 26 to a relatively thinnertop wall 28, the acute slope angle preferably in the range of about 45-90° (shown at 71.3′ inFIG. 5 ) relative to the horizontal bottom wall orbase 26. The terms “thicker” and “thinner” in this context relate to the depth dimension of the block. - In this exemplary embodiment, the
side walls front wall 20, and the relatively thinnertop wall 28 extends above the upper (or second)edges - Lower (or third)
edges base 26. Ahorizontal shoulder 34 extends horizontally across the slopedfront wall 20 at a height substantially equal to the height of the side walls, such thatshoulder 34 lies in the same horizontal plane as theupper edges side walls surface 34 could be regarded as the top surface of the block, contiguous withupper edges triangular lip 33 projecting from thesurface 34, the lip inset from thefront edge 35 ofsurface 34, but flush with theback wall 18, and extending between the inside edges of theside walls - In the exemplary but non-limiting implementation of the invention illustrated in
FIGS. 1-5 , theblock 10 may have a length (from side to side) of between about 190 cm and 460 cm (for example about 395 cm) and a depth (from front to back) of between about 80 cm and 200 cm (for example, about 92 cm). The total height of the block (from bottom to top) may be between about 80 cm and 240 cm (for example, about 124 cm). In the example shown, thelip 33 extends about 32 cm. above theside walls 30, 32 (and surface 34). The side wall thickness may be about 38.5 cm. Thecenter portion 12 may have a depth of about 59.9 cm. at thebase 26, (in this embodiment, the forward (or fourth edges) 22 a, 24 a of theside walls top edge 28. The shoulder may have a depth of about 6 cm. (or, stated otherwise, thelip 33 is set back from theforward edge 35 ofsurface 34 by about 6 cm). The dimensions of the block may vary uniformly by scale, or differentially, depending on specific applications. It will also be appreciated that the block may be constructed of any suitable building materials including in addition to concrete, such materials as metals, plastics, resins, etc. - With reference now to
FIGS. 6-9 , a wall unit (or simply, wall) 40 may be constructed ofplural blocks 10 stacked one on top of the other, but with alternate blocks inverted and reversed, i.e., rotated 180° (front to back) as shown inFIGS. 6-9 . Thus, the front, back, top and bottom edges ofblocks 10 in one horizontal row A of blocks in a vertically-stacked array, become the back, front, bottom and rear edges, respectively, of the next adjacent horizontal row B of blocks. The load-bearing surfaces are the top andbottom edges FIGS. 1-5 ), of the engagedside walls FIGS. 7 and 8 that thetop edge 28 of each invertedblock 10 is vertically spaced from thebase 26 of the next adjacent block, leaving a forward facing slot oraperture 36 on the forward (exterior)face 38 of thewall 40, and a rearward slot oraperture 42 on the rearward (interior)face 44 of the wall, connected by an upwardly and rearwardly slopingair flow passage 46 formed by adjacentsloped walls 20 of adjacent pairs of stacked blocks. Thus the forward-facingaperture 36 is vertically spaced from the rearward-facingaperture 42, so that there is no line of sight from one side of the wall unit to the other. The upwardlysloped passage 46 also prevents rain, even horizontal rain caused by excessive wind, from passing through the wall. Thus, thewall 40 has the three-fold advantage of ventilation, privacy and rain protection. It will be appreciated that the size of anyindividual wall unit 40 is application-dependent, but a unit made up of only two blocks is within the scope of this invention. - Turning now to
FIGS. 10 and 11 , one example of a mold assembly that could be used to form the above-describedblock 10 is illustrated. The mold assembly or apparatus may be used in conventional block manufacturing machines available from, for example, Besser Mfg. Co. or Columbia Machine Co. Amold assembly 48 designed especially for theblock 10 may include acore 50, anoutside division plate 54, aninside division plate 52, and a pair of end liners (not shown) bolted together in a mold box (also not shown). Theplunger 56 andstripper shoe assembly 58 are bolted together and attached to a stripper head plate (not shown) that enables theplunger 56 andstripper shoe assembly 58 to move down into the mold box. This construction is conventional except for certain components which are designed to produce the unique block shape described above. For example, the shape of thecore 50 andstripper shoe assembly 58 are specially shaped to provide the slopedwall 28 andhorizontal shoulder 34. The stripper shoe assembly includes thestripper bar 58A and a pair ofblocks 58B. Thebar 58A and blocks 58B are adapted to be bolted to the bottom of theplunger 56 in the orientation shown inFIGS. 10 and 11 , with a vertical space between thebar 58A and blocks 58B for receiving a portion of the core 50 as described below. Thecore 50 includes a laterally extending, vertically-orientedplate portion 60, including boltingflanges 61, and acore block portion 62. Note in this regard that the slopedsurface 64 on the core block portion 62 (FIG. 10 ) and the continuation of that surface via the interior sloped surface 66 on thestripper shoe component 58A, best seen inFIGS. 11-13 , enable formation of the slopedsurface 20 and thelip 33 of theblock 10, extending between theside walls shoulder 34. - In the block manufacturing process, a pallet plate (not shown) is moved into position below the mold box, and concrete is poured into the box. The mold box is vibrated to settle and uniformly distribute the concrete, and then the
plunger 56 andstripper shoe 58 are moved into the box to compress the concrete while under vibration, within the confines of the inner andouter divider plates core 50. When theblock 10 has been formed, it is stripped from the mold by removing the pallet, enabling the stripper shoe and plunger to push the finished product out of the mold box. - It will be appreciated that other block configurations are within the scope of this invention. For example, the sloped center portion may be flat as shown in
FIGS. 1-5 or concave (when facing as shown inFIG. 1 ), and may extend at its base or bottom wall to a point behind the forward edges 22 a, 24 a of theside walls FIGS. 1-5 , or may be substantially flush with the forward edges 22 a, 24 a of the side walls. In addition, thehorizontal shoulder 34 may be omitted, with a simple transition between the sloped surface and theextended lip 33. In another variation, the front face of the lip and the sloped center portion could be co-planar. - In still another embodiment, a vertical center wall may be interposed between the side walls, extending parallel thereto, with a gap between the adjacent lip portions. This arrangement is especially suited for wider blocks where the center wall will provide additional strength.
- For these and other block shapes within the scope of the invention, appropriate changes in the mold components are required, but such changes are well within the skill of the artisan having been apprised of the desired configuration of the block.
- While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (5)
1. A wall unit comprising at least first and second building blocks each having an elongated center portion flanked by a pair of substantially parallel side walls oriented substantially perpendicularly to said center portion, said center portion having a first vertical wall and a second sloped wall, said second sloped wall extending between a relatively thicker base of said center portion and a relatively thinner top of said center portion; said first wall being co-planar with first edges of said side walls; and wherein said first and second building blocks are stacked one on the other, with said second block inverted and reversed relative to said first block.
2. The wall unit of claim 1 wherein the side walls of adjacent stacked blocks are engaged, and wherein, on a front side of said wall unit, the thinner edge of the second block and the base of the first block form a first forward-facing aperture, and on a back side of the wall unit, the thinner edge of said first block and the base of said second block form a second rearward-facing aperture.
3. The wall unit of claim 1 wherein said forward and rearward facing apertures are connected by an upward and rearward-extending ventilation passage.
4. The wall unit of claim 2 wherein said at least two blocks comprises more than two blocks in a vertical stack.
5. The wall unit of claim 4 wherein said at least two blocks comprises plural vertical stacks in side-by-side relationship.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/785,036 US20100223868A1 (en) | 2007-10-10 | 2010-05-21 | Ventilated building block |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/292,376 USD607066S1 (en) | 2007-10-10 | 2007-10-10 | Doll |
US12/785,036 US20100223868A1 (en) | 2007-10-10 | 2010-05-21 | Ventilated building block |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/292,376 Division USD607066S1 (en) | 2007-10-10 | 2007-10-10 | Doll |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100223868A1 true US20100223868A1 (en) | 2010-09-09 |
Family
ID=41433464
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/292,376 Expired - Lifetime USD607066S1 (en) | 2007-10-10 | 2007-10-10 | Doll |
US12/785,036 Abandoned US20100223868A1 (en) | 2007-10-10 | 2010-05-21 | Ventilated building block |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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US29/292,376 Expired - Lifetime USD607066S1 (en) | 2007-10-10 | 2007-10-10 | Doll |
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US (2) | USD607066S1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013009766A2 (en) * | 2011-07-13 | 2013-01-17 | Elwell Jim | Constructional building material and method for facilitating fluid flow through a wall system |
WO2015036859A3 (en) * | 2013-09-16 | 2015-12-10 | Lee Lum Mark E | Ventilated building block and related mold components |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD874582S1 (en) * | 2017-12-22 | 2020-02-04 | Beijing Xiaomi Mobile Software Co., Ltd. | Doll |
USD874583S1 (en) * | 2017-12-22 | 2020-02-04 | Beijing Xiaomi Mobile Software, Co., Ltd. | Doll |
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US6523317B1 (en) * | 2001-08-31 | 2003-02-25 | Allan Block Corporation | Wall block with interlock |
US20040182038A1 (en) * | 2003-03-17 | 2004-09-23 | Redi-Rock International, Llc | Protruding planter block for retaining wall |
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US3230914A (en) * | 1963-10-21 | 1966-01-25 | Detrick M H Co | Circular furnace roof and component refractory bricks |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013009766A2 (en) * | 2011-07-13 | 2013-01-17 | Elwell Jim | Constructional building material and method for facilitating fluid flow through a wall system |
WO2013009766A3 (en) * | 2011-07-13 | 2013-02-07 | Elwell Jim | Constructional building material and method for facilitating fluid flow through a wall system |
WO2015036859A3 (en) * | 2013-09-16 | 2015-12-10 | Lee Lum Mark E | Ventilated building block and related mold components |
GB2535901A (en) * | 2013-09-16 | 2016-08-31 | E Lee Lum Mark | Ventilated building block and related mold components |
JP2016537226A (en) * | 2013-09-16 | 2016-12-01 | ラム・イー.・マーク リー | Ventilated building blocks and related mold parts |
AU2014320053B2 (en) * | 2013-09-16 | 2017-03-09 | Mark E. Lee Lum | Ventilated building block and related mold components |
GB2535901B (en) * | 2013-09-16 | 2018-04-18 | E Lee Lum Mark | Ventilated building block and related mold components |
US9987765B2 (en) | 2013-09-16 | 2018-06-05 | Mark E. Lee Lum | Ventilated building block and related mold components |
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USD607066S1 (en) | 2009-12-29 |
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