US20060151677A1 - Insulated concrete form - Google Patents
Insulated concrete form Download PDFInfo
- Publication number
- US20060151677A1 US20060151677A1 US11/034,522 US3452205A US2006151677A1 US 20060151677 A1 US20060151677 A1 US 20060151677A1 US 3452205 A US3452205 A US 3452205A US 2006151677 A1 US2006151677 A1 US 2006151677A1
- Authority
- US
- United States
- Prior art keywords
- band
- icf
- connectors
- walls
- foam
- 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
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Classifications
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
- E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves
-
- 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
- E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
- E04B2002/0215—Non-undercut connections, e.g. tongue and groove connections with separate protrusions
- E04B2002/0223—Non-undercut connections, e.g. tongue and groove connections with separate protrusions of cylindrical shape
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/867—Corner details
Definitions
- This invention relates to an insulated concrete form (ICF) and a method of making same.
- ICF insulated concrete form
- ICFs may be joined into stacks to form a building wall. Concrete may then be poured into the stacked ICFs. When the concrete dries, the building wall that is formed will already be insulated by the foam walls of the ICFs and the plates at the end of the connectors will act as studs to which wall board may be tacked. Thus, the use of ICFs results in a considerable saving in labour.
- ICFs are not inherently strong. Consequently, when a large number of ICFs are stacked to form a large wall, the pressure applied to the ICFs, and particularly those near the bottom of the wall, can be considerable. This can lead to failure of the ICFs.
- This invention seeks to ameliorate this problem.
- a reinforcing band is embedded in one of said pair of foam walls of an ICF. This band extends between at least two of the connectors of the ICF. The band acts to reinforce the ICF so that it may better resist forces applied during concrete pouring.
- an insulated concrete form comprising: a pair of opposed expanded foam walls; a plurality of connectors extending between said opposed walls having end portions embedded in said opposed walls; a reinforcing band embedded in one of said pair of foam walls, said band extending between at least two of said connectors.
- a method of fabricating an insulated concrete form comprising: placing connectors side-by-side; placing a band between adjacent connectors so as to extend into end portions of said adjacent connectors; expanding a pair of opposed foam walls around said end portions of said connectors and said band.
- FIG. 1 is a partially cut away top perspective view of a corner ICF made in accordance with this invention
- FIG. 1A is perspective view of a portion of the ICF of FIG. 1 ,
- FIG. 2 is a bottom perspective view of the ICF of FIG. 1 ,
- FIG. 3 is a magnified partially cut away top perspective view of a portion of the ICF of FIG. 1 ,
- FIG. 4 is a top view of the ICF of FIG. 1 .
- FIG. 5 is a partially cut away top perspective view of a straight wall section ICF made in accordance with this invention.
- FIG. 6 is a partially cut away top perspective view of a corner ICF made in accordance with another embodiment of this invention.
- a corner insulated concrete form (ICF) 10 has a pair of opposed L-shaped expanded foam walls 12 , 14 .
- the walls are held together by a series of connectors 16 that extend between the walls and have end portions embedded in the walls. More specifically, each of the connectors 16 may have a central bridge 18 terminating at either end in a support plate 20 from which radiate fingers 22 .
- the fingers 22 may, in turn, terminate in stud plate 24 .
- the fingers 22 and stud plate 24 may be the end portion of a connector that is embedded in a wall 12 or 14 .
- each of walls 12 and 14 are arrayed with cylindrical protuberances 26 .
- the bottom of each of the walls 12 and 14 have female receptors 28 sized to receive protuberances 26 .
- a reinforcing band 30 is embedded in foam wall 12 and extends between the two connectors 16 a, 16 b that are on either side of the corner 32 of the ICF 10 .
- the band 30 has a bend at corner 32 .
- the band may also extend horizontally.
- stud plate 24 of connector 16 b has a slot 40 extending between its side walls 36 , 38 .
- Ari end of the band 30 extends into this slot.
- Stud plate 24 of connector 16 a has a similar slot. Indeed, for ease of manufacturing, each stud plate 24 of each connector 16 may have such a slot.
- Band 30 may be fabricated out of metal, such as aluminum. Additionally, the band may have perforations 42 . Optionally, the band may also extend through the slots of the remaining connectors 16 of ICF 10 .
- ICF 10 In order to fabricate ICF 10 , four connectors 16 may be placed side-by-side in a jig (not shown).
- the notches 46 ( FIG. 3 ) in the central bridges 18 of the connectors may be used to support each connector in the jig.
- a band 30 of appropriate length may be bent in the middle and its ends inserted into slots 40 of connectors 16 a, 16 b.
- foam walls 12 and 14 may be expanded around the end portions (fingers 22 and stud plates 24 ) of the connectors and the band. In this regard, the foam may expand through the perforations in the band thereby firmly embedding the band in the foam.
- the corner ICFs 10 may be fabricated in two different lengths.
- a straight walled ICF 50 made in accordance with teachings of this invention has opposed straight expanded foam walls 52 , 54 where, again, the end portions of connectors 16 are embedded in these walls.
- a straight perforated metal band 70 a may extend through the slots 40 at one end of each of the connectors 16 of the ICF 50 in wall 52 .
- a straight perforated metal band 70 b may extend through the slots 40 at the opposite end of each of the connectors 16 of the ICF 50 in wall 54 .
- Fabrication of ICF 50 may proceed in the same fashion as described in conjunction with ICF 10 .
- a modified corner ICF 10 ′ is identical to ICF 10 of FIG. 1 (and like parts have been given like reference numerals) expect that connectors 16 ′ omit the slots 40 of ICF 10 and the end portions of band 30 ′ are trimmed down in size. With these modifications, the ends of band 30 ′ are inserted in the opening between two of the fingers 22 of each of connectors 16 a ′ and 16 b ′ behind stud plate 24 and in front of support plate 20 of these connectors.
- the untrimmed band may simply extend between these connectors adjacent the outside face of plate 24 of each connector. This option is also available for the straight walled ICFs 50 .
- a metal band may also be embedded in the wall 14 of corner ICF 10 (or 10 ′).
- a number of ICFs 10 (or 10 ′) and 50 may be interlocked using their male and female features 26 , 28 to form building walls.
- one or more buildings walls may be integrally formed.
- wall 12 of the corner ICFs are reinforced by band 30
- wall 12 should be directed to the outside of the building walls.
- concrete may be poured into the walls.
- the bands 30 , 30 ′, 70 a, 70 b act to reinforce the ICFs assisting the ICFs in withstanding the pressure imparted by the wet concrete. This pressure is particularly acute near the bottom of the building walls.
- Corner ICFs are more susceptible to fail due to the pressure imparted by the wet concrete than are straight walled ICFs. Therefore, for some constructions it may be sufficient to only embed reinforcing bands in the corner ICFs. Further, the inside corner of wall 14 is less susceptible to fail than the outside corner of wall 12 of a corner ICF. Consequently, for some constructions, it may be sufficient to only embed reinforcing bands in the outside wall 12 of the corner ICFs. Further, while ICFs with reinforcing bands inserted into connectors may be stronger, for some wall constructions, bands that are embedded in the foams walls of the form so as to lie adjacent the outside face of the plates 24 ′ of the connectors may be sufficient.
- ICFs are constructed with a variety of different styles of connectors and it will be apparent that the teachings of this invention have applicability to all such different styles.
- a connector style lacking a suitable opening to receive the reinforcing band may be modified to provide a suitable opening, such as a slot.
Abstract
A reinforcing band is embedded in one of said pair of foam walls of an ICF. This band extends between at least two of the connectors of the ICF. The band acts to reinforce the ICF so that it may better resist forces applied during concrete pouring.
Description
- This invention relates to an insulated concrete form (ICF) and a method of making same.
- The construction of a wall of a high rise building formerly involved the erecting of a concrete form, pouring concrete into the form, removing the form to leave a wall, installing studs on the concrete wall, insulating the wall, and tacking wall boards to the studs.
- This construction technique was radically altered with the advent of the insulated concrete form (ICF). A typical ICF has a pair of opposed expanded foam walls connected by connectors, with the ends of each connector embedded in the opposed foam walls. Each end of each connector terminates in a plate. The top surface of the walls of an ICF may have an array of cylindrical protuberances and the bottom surface of the ICF, corresponding female receptors.
- With this arrangement, ICFs may be joined into stacks to form a building wall. Concrete may then be poured into the stacked ICFs. When the concrete dries, the building wall that is formed will already be insulated by the foam walls of the ICFs and the plates at the end of the connectors will act as studs to which wall board may be tacked. Thus, the use of ICFs results in a considerable saving in labour.
- However, a drawback with ICFs is that they are not inherently strong. Consequently, when a large number of ICFs are stacked to form a large wall, the pressure applied to the ICFs, and particularly those near the bottom of the wall, can be considerable. This can lead to failure of the ICFs. This invention seeks to ameliorate this problem.
- A reinforcing band is embedded in one of said pair of foam walls of an ICF. This band extends between at least two of the connectors of the ICF. The band acts to reinforce the ICF so that it may better resist forces applied during concrete pouring.
- According to the present invention, there is provided an insulated concrete form (ICF), comprising: a pair of opposed expanded foam walls; a plurality of connectors extending between said opposed walls having end portions embedded in said opposed walls; a reinforcing band embedded in one of said pair of foam walls, said band extending between at least two of said connectors.
- According to another aspect of this invention, there is provided, a method of fabricating an insulated concrete form comprising: placing connectors side-by-side; placing a band between adjacent connectors so as to extend into end portions of said adjacent connectors; expanding a pair of opposed foam walls around said end portions of said connectors and said band.
- Other features and advantages will become apparent from a review of the drawings and the accompanying description.
- In the figures which illustrate example embodiments of the invention,
-
FIG. 1 is a partially cut away top perspective view of a corner ICF made in accordance with this invention, -
FIG. 1A is perspective view of a portion of the ICF ofFIG. 1 , -
FIG. 2 is a bottom perspective view of the ICF ofFIG. 1 , -
FIG. 3 is a magnified partially cut away top perspective view of a portion of the ICF ofFIG. 1 , -
FIG. 4 is a top view of the ICF ofFIG. 1 , -
FIG. 5 is a partially cut away top perspective view of a straight wall section ICF made in accordance with this invention, and -
FIG. 6 is a partially cut away top perspective view of a corner ICF made in accordance with another embodiment of this invention. - Turning to
FIGS. 1 and 3 , a corner insulated concrete form (ICF) 10 has a pair of opposed L-shaped expandedfoam walls connectors 16 that extend between the walls and have end portions embedded in the walls. More specifically, each of theconnectors 16 may have acentral bridge 18 terminating at either end in asupport plate 20 from which radiatefingers 22. Thefingers 22 may, in turn, terminate instud plate 24. Thefingers 22 andstud plate 24 may be the end portion of a connector that is embedded in awall - With reference to
FIGS. 1 and 4 , the top of each ofwalls cylindrical protuberances 26. Referring toFIG. 2 , the bottom of each of thewalls female receptors 28 sized to receiveprotuberances 26. - Turning to
FIGS. 1, 1A and 3, a reinforcingband 30 is embedded infoam wall 12 and extends between the twoconnectors corner 32 of the ICF 10. Thus, theband 30 has a bend atcorner 32. With the ICF horizontally disposed, the band may also extend horizontally. As best seen inFIG. 1A ,stud plate 24 ofconnector 16 b has aslot 40 extending between itsside walls band 30 extends into this slot.Stud plate 24 ofconnector 16 a has a similar slot. Indeed, for ease of manufacturing, eachstud plate 24 of eachconnector 16 may have such a slot. -
Band 30 may be fabricated out of metal, such as aluminum. Additionally, the band may haveperforations 42. Optionally, the band may also extend through the slots of theremaining connectors 16 of ICF 10. - In order to fabricate ICF 10, four
connectors 16 may be placed side-by-side in a jig (not shown). In this regard, the notches 46 (FIG. 3 ) in thecentral bridges 18 of the connectors may be used to support each connector in the jig. Aband 30 of appropriate length may be bent in the middle and its ends inserted intoslots 40 ofconnectors foam walls fingers 22 and stud plates 24) of the connectors and the band. In this regard, the foam may expand through the perforations in the band thereby firmly embedding the band in the foam. - Optionally, the corner ICFs 10 may be fabricated in two different lengths.
- With reference to
FIG. 5 wherein like parts have been given like reference numerals, a straight walled ICF 50 made in accordance with teachings of this invention has opposed straight expandedfoam walls connectors 16 are embedded in these walls. A straightperforated metal band 70 a may extend through theslots 40 at one end of each of theconnectors 16 of the ICF 50 inwall 52. Additionally, a straightperforated metal band 70 b may extend through theslots 40 at the opposite end of each of theconnectors 16 of the ICF 50 inwall 54. - Fabrication of ICF 50 may proceed in the same fashion as described in conjunction with ICF 10.
- Turning to
FIG. 6 , a modified corner ICF 10′ is identical to ICF 10 ofFIG. 1 (and like parts have been given like reference numerals) expect thatconnectors 16′ omit theslots 40 of ICF 10 and the end portions ofband 30′ are trimmed down in size. With these modifications, the ends ofband 30′ are inserted in the opening between two of thefingers 22 of each ofconnectors 16 a′ and 16 b′ behindstud plate 24 and in front ofsupport plate 20 of these connectors. - As a further option, instead of trimming the ends of the band and inserting these ends into openings in
connectors plate 24 of each connector. This option is also available for the straight walled ICFs 50. - Although not shown, in similar fashion to band 30 (or 30′) a metal band may also be embedded in the
wall 14 of corner ICF 10 (or 10′). - In use, a number of ICFs 10 (or 10′) and 50 may be interlocked using their male and
female features length corner ICFs 10 facilitating this), one or more buildings walls may be integrally formed. Where only wall 12 of the corner ICFs are reinforced byband 30,wall 12 should be directed to the outside of the building walls. After erecting the building walls, concrete may be poured into the walls. Thebands - Corner ICFs are more susceptible to fail due to the pressure imparted by the wet concrete than are straight walled ICFs. Therefore, for some constructions it may be sufficient to only embed reinforcing bands in the corner ICFs. Further, the inside corner of
wall 14 is less susceptible to fail than the outside corner ofwall 12 of a corner ICF. Consequently, for some constructions, it may be sufficient to only embed reinforcing bands in theoutside wall 12 of the corner ICFs. Further, while ICFs with reinforcing bands inserted into connectors may be stronger, for some wall constructions, bands that are embedded in the foams walls of the form so as to lie adjacent the outside face of theplates 24′ of the connectors may be sufficient. - While the reinforcing
bands - ICFs are constructed with a variety of different styles of connectors and it will be apparent that the teachings of this invention have applicability to all such different styles. In this regard, where it is desired to insert the reinforcing band into the end portions of the connectors, a connector style lacking a suitable opening to receive the reinforcing band may be modified to provide a suitable opening, such as a slot.
- Some ICFs lack male and female features to allow interlocking. With such ICFs, the forms may be interlocked with suitably configured brackets. Again, it will be apparent that the teachings of this invention have applicability to such ICFs.
- Other modifications will be apparent to those skilled in the art and, therefore, the invention is defined in the claims.
Claims (19)
1. An insulated concrete form (ICF), comprising:
a pair of opposed expanded foam walls;
a plurality of connectors extending between said opposed walls having end portions embedded in said opposed walls;
a reinforcing band embedded in one of said pair of foam walls, said band extending between at least two of said connectors.
2. The ICF of claim 1 wherein said end portions of said connectors have openings and wherein said band extends into end portion openings of said at least two of said connectors.
3. The ICF of claim 2 wherein each of said connectors comprises a central bridge terminating at either end in fingers which, in turn, terminate in a plate.
4. The ICF of claim 3 wherein said fingers define said openings.
5. The ICF of claim 3 wherein each of said openings is a slot extending between opposite side walls of said plate of each said connector.
6. The ICF of claim 2 wherein said band is a metal band.
7. The ICF of claim 6 wherein said metal band is perforated.
8. The ICF of claim 1 wherein said band is integrally formed with said at least two of said connectors.
9. The ICF of claim 8 wherein said band is a plastic band.
10. The ICF of claim 1 wherein said walls are horizontally elongated, said at least two of said connectors are horizontally spaced and wherein said band is horizontally directed.
11. The ICF of claim 1 wherein said band is a first band and further comprising a second band embedded in another of said pair of foam walls.
12. The ICF of claim 2 wherein said opposed expanded foam walls are L-shaped, such that said ICF defines a corner and wherein said band extends between connectors on either side of said corner.
13. The ICF of claim 11 wherein said one of said foam walls in which said band is embedded is an outside wall.
14. A method of fabricating an insulated concrete form comprising:
placing connectors side-by-side;
placing a band between adjacent connectors so as to extend into end portions of said adjacent connectors;
expanding a pair of opposed foam walls around said end portions of said connectors and said band.
15. The method of claim 14 wherein each connector of said connectors comprises a central bridge terminating at either end in fingers which, in turn, terminate in a plate.
16. The method of claim 15 wherein said placing comprises inserting each end of said band between fingers of one said connector.
17. The method of claim 15 further comprising trimming ends of said band down prior to said placing.
18. The method of claim 14 wherein each of said connectors terminate in a plate with a slot through its side walls and wherein said placing comprises inserting each end of said band through one said slot of one said connector.
19. The method of claim 14 wherein said band is perforated such that said expanding expands foam through said perforations.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/034,522 US20060151677A1 (en) | 2005-01-12 | 2005-01-12 | Insulated concrete form |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/034,522 US20060151677A1 (en) | 2005-01-12 | 2005-01-12 | Insulated concrete form |
Publications (1)
Publication Number | Publication Date |
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US20060151677A1 true US20060151677A1 (en) | 2006-07-13 |
Family
ID=36652350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/034,522 Abandoned US20060151677A1 (en) | 2005-01-12 | 2005-01-12 | Insulated concrete form |
Country Status (1)
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US (1) | US20060151677A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140130431A1 (en) * | 2011-11-14 | 2014-05-15 | Cooper Edward Stewart | Insulating ICF Window Buck With Integrated Fastening and Anchors |
US20140130432A1 (en) * | 2011-11-14 | 2014-05-15 | Cooper Edward Stewart | Insulating Fire and Blast Resistant Window and door Buck |
US20180112400A1 (en) * | 2015-04-20 | 2018-04-26 | Integrated Concrete Forming Ltd. | Insulated concrete form construction method and system |
US10378204B2 (en) * | 2015-03-27 | 2019-08-13 | Ambe Engineering Pty Ltd | System for forming an insulated structural concrete wall |
US11248383B2 (en) * | 2018-09-21 | 2022-02-15 | Cooper E. Stewart | Insulating concrete form apparatus |
US11473298B2 (en) * | 2019-07-09 | 2022-10-18 | Xi'an University Of Architecture And Technology | Special L-shaped column shear wall module, shear wall and construction method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5658483A (en) * | 1995-09-14 | 1997-08-19 | Boeshart; Patrick E. | Corner joint tie |
US6318040B1 (en) * | 1999-10-25 | 2001-11-20 | James D. Moore, Jr. | Concrete form system and method |
US6352237B1 (en) * | 1999-08-05 | 2002-03-05 | Charles J. Severino | Insulated concrete forming system |
US20020116889A1 (en) * | 2001-02-27 | 2002-08-29 | Eco-Block | Corner web member and corner of a form system |
US6691481B2 (en) * | 2001-08-20 | 2004-02-17 | Donald L. Schmidt | Corner form for modular insulating concrete form system |
-
2005
- 2005-01-12 US US11/034,522 patent/US20060151677A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5658483A (en) * | 1995-09-14 | 1997-08-19 | Boeshart; Patrick E. | Corner joint tie |
US6352237B1 (en) * | 1999-08-05 | 2002-03-05 | Charles J. Severino | Insulated concrete forming system |
US6318040B1 (en) * | 1999-10-25 | 2001-11-20 | James D. Moore, Jr. | Concrete form system and method |
US20020116889A1 (en) * | 2001-02-27 | 2002-08-29 | Eco-Block | Corner web member and corner of a form system |
US6691481B2 (en) * | 2001-08-20 | 2004-02-17 | Donald L. Schmidt | Corner form for modular insulating concrete form system |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140130431A1 (en) * | 2011-11-14 | 2014-05-15 | Cooper Edward Stewart | Insulating ICF Window Buck With Integrated Fastening and Anchors |
US20140130432A1 (en) * | 2011-11-14 | 2014-05-15 | Cooper Edward Stewart | Insulating Fire and Blast Resistant Window and door Buck |
US8931220B2 (en) * | 2011-11-14 | 2015-01-13 | Gorilla Buck Inc. | Insulating ICF window buck with integrated fastening and anchors |
US9109360B2 (en) * | 2011-11-14 | 2015-08-18 | Gorilla Buck Inc. | Insulating fire and blast resistant window and door buck |
US10378204B2 (en) * | 2015-03-27 | 2019-08-13 | Ambe Engineering Pty Ltd | System for forming an insulated structural concrete wall |
US20180112400A1 (en) * | 2015-04-20 | 2018-04-26 | Integrated Concrete Forming Ltd. | Insulated concrete form construction method and system |
US11203866B2 (en) * | 2015-04-20 | 2021-12-21 | Integrated Concrete Forming Ltd. | Insulated concrete form construction method and system |
US20220064946A1 (en) * | 2015-04-20 | 2022-03-03 | Integrated Concrete Forming Ltd. | Insulated concrete form construction method and system |
US11761204B2 (en) * | 2015-04-20 | 2023-09-19 | Integrated Concrete Forming Ltd. | Insulated concrete form construction method and system |
US11248383B2 (en) * | 2018-09-21 | 2022-02-15 | Cooper E. Stewart | Insulating concrete form apparatus |
US11473298B2 (en) * | 2019-07-09 | 2022-10-18 | Xi'an University Of Architecture And Technology | Special L-shaped column shear wall module, shear wall and construction method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: LOGIX INSULATED CONCRETE FORMS LTD., ONTARIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MCIVOR, MICHAEL W.;STEWART, COOPER E.;REEL/FRAME:015777/0775;SIGNING DATES FROM 20050108 TO 20050111 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |