US3791090A - Building block - Google Patents

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US3791090A
US3791090A US00051305A US3791090DA US3791090A US 3791090 A US3791090 A US 3791090A US 00051305 A US00051305 A US 00051305A US 3791090D A US3791090D A US 3791090DA US 3791090 A US3791090 A US 3791090A
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block
tongue
recess
groove
building block
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US00051305A
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A Kniefel
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04—Walls having neither cavities between, nor in, the solid elements
    • E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
    • E04B2/08—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0232—Undercut connections, e.g. using undercut tongues and grooves
    • E04B2002/0234—Angular dovetails
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys
    • E04B2002/0252—Dovetail keys

Definitions

  • ABSTRACT A building block having dovetail tongue and groove configuration for interlocking with adjacent blocks by sliding in a longitudinal direction.
  • the dovetail tongue protrudes outwardly from one side of the block and has two widened longitudinal end portions have a cross-sectional shape defining an inverted triangular wedge which end portions are interconnected by an intermediate portion rectangular in cross section which intermediate portion extends one-third the length of the tongue.
  • the opposite side surface of the block has a complementary shape inverse to that of the tongue forming a groove of constant depth.
  • end portions of the groove are of slotted dovetail configuration widening from the opposite side surface inwardly of the block.
  • the ends of the recess have substantially the width of the intermediate portion of the tongue whereby the tongues may be longitudinally slid into the recess for interlocking engagement.
  • This invention relates to building assembly construction, more particularly, the invention is an interlocking construction technique adapted to blocks (or types of modular construction where adaptable) for assembly with other like blocks (or modular units) to form the building walls, ceiling, floors, roof, or other structural parts of buildings, bridges, or any structure built today.
  • FIG. 1 is a perspective view of of a wall. 7
  • FIG. 2 is an enlarged perspective view of a standard block (unit) with all the different basic locking devices present (with the exception of the key unit).
  • FIG. 3-1 is an enlarged perspective view of the key locking unit, the male part.
  • FIG. 3-2 is an enlarged perspective view of the key locking unit, the male part without top.
  • FIG. 4 is an enlarged perspective view of a unit with only the male part of the vertical locking device.
  • FIG. 5 is an enlarged perspective view partly in section showing the female part of the vertical locking device.
  • FIG. 6 is an enlarged perspective view of a unit with only the female part of the horizontal locking device.
  • FIG. 7 is an exploded view and perspective view illustrating the ends of the two units and a key unit to lock them horizontally.
  • FIG. 8 is an exploded, partly in section of a perspective view of how a female part of the vertical locking device fits on the male part.
  • FIG. 9 is an enlarged perspective view showing the final position of the block and showing how a right hand corner block is locked into a straight wall.
  • the assembled section of a wall shown in FIG. 1, is made up of twenty different units. Their location in the wall are as follows: The standard unit 101 (FIG. 1); the standard unit, no male locking device 102 (FIG. 1); the standard unit, no female locking device 103 (FIG. 1); the standard unit one-half size 104 (FIG. 1); the standard unit one-half size, no male locking device 105 (FIG. 1 the left hand corner unit 106 (FIG. 1 the left hand corner unit, no male locking device 107 (FIG. 1); the right hand corner until 108 (FIG. 1 the right hand corner unit, no female locking device 109 (FIG. 1); the end unit 110 (FIG. 1); the end unit no male locking device 111 (FIG.
  • FIG. 2 shows a standard unit with all of the different basic locking devices arranged in the proper position to be used in a straight wall to hold it vertically and horizontally.
  • the male part of the vertical locking device is on the top, 120, and two female parts of the horizontal locking device, 121, and the female part of the vertical locking device, 122 (FIG. 3-1 and FIG. 3-2) shows the male horizontal locking device (key unit) used to lock the ends of the units horizontally together.
  • FIG. 4 shows the male part of the vertical locking device that can be completely or practically eliminated in cases where it is not required for particular use.
  • the male vertical locking device, 120 is divided into three equal parts.
  • FIG. 5 is a sectional perspective view showing the counterpart of the locking device shown in FIG. 4.
  • the counterpart of the locking device is divided in the same way and an additional opening, 127, is made at the end of the unit.
  • FIG. 6 shows a block (unit) with two female horizontal locking devices, 132 and 133.
  • the opening at the end of the block, 134 is smaller in size than the inner part, 135. This will enable inserting one-half of the key unit into the end of a block which makes up one-half of the horizontal locking system.
  • FIG. 7 shows how two blocks (units), 136 and 137, are placed end to end so that the female horizontal locking device, 132 and 133, of each block matches up with the other one and how the key unit, 138, is placed into the two female openings to lock the blocks horizontally.
  • FIG. 8 shows the two blocks, 136 and 137, fastened together by the key, 138, that is in place.
  • FIG. 9 shows how FIG. 8 will look when the blocks, 136, 137 and 139 are in the final position.
  • the key unit, 145 ties the two units, 137 and 144, together horizontally.
  • any desired shape or configuration of a structure can be erected by this system.
  • the blocks or units do not have to be of a rectangular shape or have a flat external surface. It can be made in a circular form or in a triangular shape, just to name a few.
  • One more added feature is that they can be disassembled in the reverse manner as they are put together.
  • An elongated generally rectangular building block for stacking with other like blocks said building block having a longitudinally disposed tongue protruding outwardly a substantially constant amount from one side surface of said block, said tongue including two widened longitudinal end portions, each end portion having a cross-sectional shape substantially defining an inverted triangular wedge, said end portions being interconnected by a relatively narrow intermediate portion of substantially rectangular cross-sectional shape, each of said two end portions and said intermediate portion extending approximately one-third the length of said tongue, the opposite side surface of said building block incorporating a longitudinal groove having a shape complementary and inverse to that of said tongue, said groove having a substantially constant depth from said opposite side surface and including a central substantially rectangular recess and two end recesses disposed to either side of said central recess and merging therewith, each end recess of said groove being of slotted dovetail shape widening from said opposite side surface inwardly with the width of each end recess at said opposite surface being substantially equal to the width of said intermediate portion of said tongue, said
  • a building block as defined in claim 1 further including a dovetail recess disposed in at least one end surface of said block adapted to receive a locking device of complementary shape whereby two blocks can be locked together end to end.
  • a building block as defined in claim 2 further including a dovetail recess disposed in one side surface of the block adapted to receive a locking device of complementary shape whereby two blocks can be locked together at right angles to one another.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Toys (AREA)

Abstract

A building block having dovetail tongue and groove configuration for interlocking with adjacent blocks by sliding in a longitudinal direction. The dovetail tongue protrudes outwardly from one side of the block and has two widened longitudinal end portions have a cross-sectional shape defining an inverted triangular wedge which end portions are interconnected by an intermediate portion rectangular in cross section which intermediate portion extends one-third the length of the tongue. The opposite side surface of the block has a complementary shape inverse to that of the tongue forming a groove of constant depth. The end portions of the groove are of slotted dovetail configuration widening from the opposite side surface inwardly of the block. The ends of the recess have substantially the width of the intermediate portion of the tongue whereby the tongues may be longitudinally slid into the recess for interlocking engagement.

Description

nited States Patent [191 lfinieiel [451 Feb. 12, 1974 BUILDING BLOCK Alfred Beryl Kniefel, 3510 Nashville Ave., El Paso, Tex. 79930 22 Filed: Dec. 30, 1971 21 Appl. No.: 51,305
[76] Inventor:
[52] 11.8. C1 52/593, 46/26, 52/286, 52/608 [51] llnt. Cl E04c 1/30, A63h 33/10 [58] Field of Search 52/589-594; 46/24-26 [56] References Cited UNITED STATES PATENTS 1,162,409 11/1915 Shimer 52/594 2,392,551 1/1946 Roe 52/594 3,076,286 2/1963 Czecholinski 52/594 Primary Examiner-Frank 1... Abbott Assistant Examiner-James L. Ridgill, Jr.
[5 7] ABSTRACT A building block having dovetail tongue and groove configuration for interlocking with adjacent blocks by sliding in a longitudinal direction. The dovetail tongue protrudes outwardly from one side of the block and has two widened longitudinal end portions have a cross-sectional shape defining an inverted triangular wedge which end portions are interconnected by an intermediate portion rectangular in cross section which intermediate portion extends one-third the length of the tongue. The opposite side surface of the block has a complementary shape inverse to that of the tongue forming a groove of constant depth. The
end portions of the groove are of slotted dovetail configuration widening from the opposite side surface inwardly of the block. The ends of the recess have substantially the width of the intermediate portion of the tongue whereby the tongues may be longitudinally slid into the recess for interlocking engagement.
3 Claims, 10 Drawing Figures BUILDING BLOCK This invention relates to building assembly construction, more particularly, the invention is an interlocking construction technique adapted to blocks (or types of modular construction where adaptable) for assembly with other like blocks (or modular units) to form the building walls, ceiling, floors, roof, or other structural parts of buildings, bridges, or any structure built today.
Among the important objectives of the invention are the following:
To permit assembly of the unit by unskilled labor;
To eliminate the use of nails, screws, bolts, glue, cement, or other fasteners in the assembly of the unit;
To eliminate the necessity of tools during said assemy;
To provide a construction system that provides considerable more strength than previous construction methods have, with a great reduction in the amount of time required to complete the construction of a structure.
To permit manufacturing of blocks (modular units) by mass production methods, so that all that is necessary is to assemble them by a set procedure, so that further cutting or shaping is not necessary.
For further comprehension of the invention, and the objects and advantages thereof, reference is made to the following description and accompanying drawings, and to the appended claims in which the various novel features of the invention are made particularly set forth.
In the accompanying drawings forming a material part of this disclosure:
FIG. 1 is a perspective view of of a wall. 7
FIG. 2 is an enlarged perspective view of a standard block (unit) with all the different basic locking devices present (with the exception of the key unit).
FIG. 3-1 is an enlarged perspective view of the key locking unit, the male part.
FIG. 3-2 is an enlarged perspective view of the key locking unit, the male part without top.
FIG. 4 is an enlarged perspective view of a unit with only the male part of the vertical locking device.
FIG. 5 is an enlarged perspective view partly in section showing the female part of the vertical locking device.
FIG. 6 is an enlarged perspective view of a unit with only the female part of the horizontal locking device.
an assembled section FIG. 7 is an exploded view and perspective view illustrating the ends of the two units and a key unit to lock them horizontally.
FIG. 8 is an exploded, partly in section of a perspective view of how a female part of the vertical locking device fits on the male part.
FIG. 9 is an enlarged perspective view showing the final position of the block and showing how a right hand corner block is locked into a straight wall.
The assembled section of a wall shown in FIG. 1, is made up of twenty different units. Their location in the wall are as follows: The standard unit 101 (FIG. 1); the standard unit, no male locking device 102 (FIG. 1); the standard unit, no female locking device 103 (FIG. 1); the standard unit one-half size 104 (FIG. 1); the standard unit one-half size, no male locking device 105 (FIG. 1 the left hand corner unit 106 (FIG. 1 the left hand corner unit, no male locking device 107 (FIG. 1); the right hand corner until 108 (FIG. 1 the right hand corner unit, no female locking device 109 (FIG. 1); the end unit 110 (FIG. 1); the end unit no male locking device 111 (FIG. 1); the end unit, no female locking device 112 (FIG. 1); the end unit one-half size 113 (FIG. 1); the end unit one-half size, no male locking device 114 (FIG. 1); the end unit one-half size, no female locking device 115 (FIG. 1); the 90 adjoining wall unit right 116 (FIG. 1 the 90 adjoining wall unit right, no male locking device 117 (FIG. 1); the 90 adjoining wall unit left 118 (FIG. 1); the 90 adjoining wall unit left, no female locking device 119 (FIG. 1); the key unit (FIG. 3-1); the key unit no top (FIG. 3-2). Each of the above are variations of the standard interlocking units interlocking devices. These interlocking devices are shown all together in one unit in FIG. 2; and separately in FIG. 3 through FIG. 6. FIG. 2 shows a standard unit with all of the different basic locking devices arranged in the proper position to be used in a straight wall to hold it vertically and horizontally. The male part of the vertical locking device is on the top, 120, and two female parts of the horizontal locking device, 121, and the female part of the vertical locking device, 122 (FIG. 3-1 and FIG. 3-2) shows the male horizontal locking device (key unit) used to lock the ends of the units horizontally together. FIG. 4 shows the male part of the vertical locking device that can be completely or practically eliminated in cases where it is not required for particular use. The male vertical locking device, 120, is divided into three equal parts. The two end parts of the top 127, of the locking device, 123 and 124, are larger, than the bottom, 125. The one-third in the middle, 125, has the same width at the top as at the bottom. By the use of this basic arrangement any unit having the counter-part can be placed over the top and slid into place which will lockit vertically. This will be more clearly understood by the use of FIG. 5. FIG. 5 is a sectional perspective view showing the counterpart of the locking device shown in FIG. 4. The counterpart of the locking device is divided in the same way and an additional opening, 127, is made at the end of the unit. There are two parts, 128 and 129, that protrude into the opening from both sides which are larger at the bottom, 130, than at the top, 131. This forms the inverse part which holds the two units together vertically when placed together directly over each other or overlapping each other by one-half. FIG. 6 shows a block (unit) with two female horizontal locking devices, 132 and 133. The opening at the end of the block, 134, is smaller in size than the inner part, 135. This will enable inserting one-half of the key unit into the end of a block which makes up one-half of the horizontal locking system. FIG. 7 shows how two blocks (units), 136 and 137, are placed end to end so that the female horizontal locking device, 132 and 133, of each block matches up with the other one and how the key unit, 138, is placed into the two female openings to lock the blocks horizontally. FIG. 8 shows the two blocks, 136 and 137, fastened together by the key, 138, that is in place. There is another block, 139, that is positioned so that when it is placed on top of the other blocks, 136 and 137 the male locking device, 140, will enter the female device, 141, and then can be moved to the right, so that the larger areas of both the female, 142, and male, 143, locking devices are above one another. This will hod them together vertically. FIG. 9 shows how FIG. 8 will look when the blocks, 136, 137 and 139 are in the final position. There is also a right hand corner block, 144, that illustrates how the horizontal locking device works. The key unit, 145, ties the two units, 137 and 144, together horizontally.
By the use of the various combination and shapes of the basic interlocking devices, any desired shape or configuration of a structure can be erected by this system. The blocks or units do not have to be of a rectangular shape or have a flat external surface. It can be made in a circular form or in a triangular shape, just to name a few. One more added feature is that they can be disassembled in the reverse manner as they are put together.
I claim:
1. An elongated generally rectangular building block for stacking with other like blocks, said building block having a longitudinally disposed tongue protruding outwardly a substantially constant amount from one side surface of said block, said tongue including two widened longitudinal end portions, each end portion having a cross-sectional shape substantially defining an inverted triangular wedge, said end portions being interconnected by a relatively narrow intermediate portion of substantially rectangular cross-sectional shape, each of said two end portions and said intermediate portion extending approximately one-third the length of said tongue, the opposite side surface of said building block incorporating a longitudinal groove having a shape complementary and inverse to that of said tongue, said groove having a substantially constant depth from said opposite side surface and including a central substantially rectangular recess and two end recesses disposed to either side of said central recess and merging therewith, each end recess of said groove being of slotted dovetail shape widening from said opposite side surface inwardly with the width of each end recess at said opposite surface being substantially equal to the width of said intermediate portion of said tongue, said central recess of said groove being such as to receive either end portion of the tongue of another like block, said block thereafter being adapted to he slid longitudinally of one another whereby the end portion of said another like block are received and accommodated in said end recesses of said groove such that said blocks are interlocked together.
2. A building block as defined in claim 1, further including a dovetail recess disposed in at least one end surface of said block adapted to receive a locking device of complementary shape whereby two blocks can be locked together end to end.
3. A building block as defined in claim 2, further including a dovetail recess disposed in one side surface of the block adapted to receive a locking device of complementary shape whereby two blocks can be locked together at right angles to one another.

Claims (3)

1. An elongated generally rectangular building block for stacking with other like blocks, said building block having a longitudinally disposed tongue protruding outwardly a substantially constant amount from one side surface of said block, said tongue including two widened longitudinal end portions, each end portion having a cross-sectional shape substantially defining an inverted triangular wedge, said end portions being interconnected by a relatively narrow intermediate portion of substantially rectangular cross-sectional shape, each of said two end portions and said intermediate portion extending approximately one-third the length of said tongue, the opposite side surface of said building block incorporating a longitudinal groove having a shape complementary and inverse to that of said tongue, said groove having a substantially constant depth from said opposite side surface and including a central substantially rectangular recess and two end recesses disposed to either side of said central recess and merging therewith, each end recess of said groove being of slotted dovetail shape widening from said opposite side surface inwardly with the width of each end recess at said opposite surface being substantially equal to the width of said intermediate portion of said tongue, said central recess of said groove being such as to receive either end portion of the tongue of another like block, said block thereafter being adapted to be slid longitudinally of one another whereby the end portion of said another like block are received and accommodated in said end recesses of said groove such that said blocks are interlocked together.
2. A building block as defined in claim 1, further including a dovetail recess disposed in at least one end surface of said block adapted to receive a locking device of complementary shape whereby two blocks can be locked together end to end.
3. A building block as defined in claim 2, further including a dovetail recess disposed in one side surface of the block adapted to receive a locking device of complementary shape whereby two blocks can be locked together at right angles to one another.
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Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115980A (en) * 1975-09-10 1978-09-26 Charles Simeon Martel Wall system
US4202131A (en) * 1978-02-10 1980-05-13 Poleri Victor J Interconnecting building blocks
WO1983000717A1 (en) * 1981-08-20 1983-03-03 Alfred Paul Mifsud Improved brick or building block
US4808140A (en) * 1987-09-15 1989-02-28 Idee International R & D Inc. Toy building block
US4833856A (en) * 1986-12-16 1989-05-30 Jan Zwagerman Constructive assembly comprising separate assembly parts
FR2663064A1 (en) * 1990-06-12 1991-12-13 Francois Michel METHOD FOR DRY ASSEMBLY OF BUILDING ELEMENTS
US5282700A (en) * 1992-08-27 1994-02-01 Transpave Inc. Block interlock offsetting key for use in the construction of a retaining wall
US5291711A (en) * 1992-11-06 1994-03-08 Kopaz Anton G Innovative building blocks
BE1006113A3 (en) * 1992-08-07 1994-05-17 Vauchel Claude Assembled wall
WO1995033902A1 (en) * 1994-06-09 1995-12-14 Chester Oliver Bishop Building components
WO1997012100A1 (en) * 1995-09-25 1997-04-03 Owens Corning Modular insulation panels and insulated structures
US5799452A (en) * 1997-06-11 1998-09-01 Moore; Kenneth G. Log construction
US5897932A (en) * 1995-09-25 1999-04-27 Owens Corning Fiberglas Technology, Inc. Enhanced insulation panel
US5901521A (en) * 1997-03-10 1999-05-11 Guy; John H. Apparatus for dimensionally uniform building construction using interlocking connectors
USD413943S (en) * 1998-11-20 1999-09-14 90Degrees, Inc. Toy-block with multi-directional rail guide means
USD413942S (en) * 1998-11-19 1999-09-14 90 Degrees, Inc. Toy block with rail extensions and protrusion
USD415217S (en) * 1998-11-19 1999-10-12 90 Degrees, Inc. Toy-block with rail guide and pivot extension means
USD417705S (en) * 1998-11-20 1999-12-14 90Degrees, Inc. Toy-block with sidewall rail guide means
US6050044A (en) * 1998-07-27 2000-04-18 Kitsilano Industries Inc. Building block
USD423607S (en) * 1998-11-19 2000-04-25 90Degrees, Inc. Toy-block with side rail extension
US6059631A (en) * 1996-03-08 2000-05-09 Maddock; Paul Thomas Toy construction kit with interconnecting building pieces
EP1036240A1 (en) * 1997-09-08 2000-09-20 Dominic Cerrato Flexible interlocking wall system
US6126506A (en) * 1998-12-11 2000-10-03 90Degrees, Inc. Multi-block structure with multiple rail configuration and pivot means
US6142847A (en) * 1998-12-30 2000-11-07 90Degrees, Inc. Reflective I-rail interconnector
US6558222B1 (en) 1997-02-28 2003-05-06 Paul Thomas Maddock Panelling and supports for interconnected toy blocks
US20040000116A1 (en) * 2002-07-01 2004-01-01 Davis William John Block wall systems
US6758020B2 (en) 1997-09-08 2004-07-06 Cercorp Initiatives Incorporated Flexible interlocking wall system
US20080289282A1 (en) * 2007-05-21 2008-11-27 Keystone Retaining Wall Systems, Inc. Wall block and wall block system for constructing walls
FR2944036A1 (en) * 2009-04-07 2010-10-08 Rodolphe Rade Wooden i.e. solid wood, based modular block for constructing e.g. partition, has plane separating rib and groove into parts, so that parts are placed on side of plane, where part of rib on another side of plane comprises side
US8074419B1 (en) * 2008-07-07 2011-12-13 Humphress David L Unbonded non-masonry building block components
US20120135665A1 (en) * 2010-11-29 2012-05-31 Youssef Azmani Interactive building block toy
US20120260603A1 (en) * 2011-04-12 2012-10-18 Thompson Dean S Concrete exterior wall system
EP2520731A1 (en) * 2009-12-28 2012-11-07 Pablo Martín Lozano Brick coupling system
US20140090325A1 (en) * 2011-05-31 2014-04-03 Richard Maeers Construction blocks
US20140215949A1 (en) * 2013-02-04 2014-08-07 Andre Cossette 65 db SOUND BARRIER INSULATED BLOCK
USD713975S1 (en) 2012-07-30 2014-09-23 Airlite Plastics Co. Insulative insert for insulated concrete form
US8887465B2 (en) 2012-01-13 2014-11-18 Airlite Plastics Co. Apparatus and method for construction of structures utilizing insulated concrete forms
US8919067B2 (en) 2011-10-31 2014-12-30 Airlite Plastics Co. Apparatus and method for construction of structures utilizing insulated concrete forms
US9234347B2 (en) 2013-02-04 2016-01-12 Andŕe Cossette Crossed ties for construction block assembly
EP2831347B1 (en) 2012-03-30 2018-11-14 Vandenbempt Patent CV Building block, as well as an insert piece to be applied in such a building block
US10487495B2 (en) * 2015-11-26 2019-11-26 Josef SCHILCHER Component and production method
US10787827B2 (en) 2016-11-14 2020-09-29 Airlite Plastics Co. Concrete form with removable sidewall
US11155995B2 (en) 2018-11-19 2021-10-26 Airlite Plastics Co. Concrete form with removable sidewall

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US1162409A (en) * 1915-03-04 1915-11-30 Allen C Shimer Cement-block construction.
US2392551A (en) * 1943-05-10 1946-01-08 Albert Kahn Interlocking building block
US3076286A (en) * 1955-07-15 1963-02-05 Stephen J Czecholinski Building blocks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1162409A (en) * 1915-03-04 1915-11-30 Allen C Shimer Cement-block construction.
US2392551A (en) * 1943-05-10 1946-01-08 Albert Kahn Interlocking building block
US3076286A (en) * 1955-07-15 1963-02-05 Stephen J Czecholinski Building blocks

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115980A (en) * 1975-09-10 1978-09-26 Charles Simeon Martel Wall system
US4202131A (en) * 1978-02-10 1980-05-13 Poleri Victor J Interconnecting building blocks
WO1983000717A1 (en) * 1981-08-20 1983-03-03 Alfred Paul Mifsud Improved brick or building block
US4833856A (en) * 1986-12-16 1989-05-30 Jan Zwagerman Constructive assembly comprising separate assembly parts
US4808140A (en) * 1987-09-15 1989-02-28 Idee International R & D Inc. Toy building block
FR2663064A1 (en) * 1990-06-12 1991-12-13 Francois Michel METHOD FOR DRY ASSEMBLY OF BUILDING ELEMENTS
EP0462042A1 (en) * 1990-06-12 1991-12-18 Michel Francois Method for dry assembly of building-blocks
BE1006113A3 (en) * 1992-08-07 1994-05-17 Vauchel Claude Assembled wall
US5282700A (en) * 1992-08-27 1994-02-01 Transpave Inc. Block interlock offsetting key for use in the construction of a retaining wall
US5291711A (en) * 1992-11-06 1994-03-08 Kopaz Anton G Innovative building blocks
WO1995033902A1 (en) * 1994-06-09 1995-12-14 Chester Oliver Bishop Building components
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