Concrete wall forming system

• US 6,324,804 B1
• Filed: 04/23/1999
• Issued: 12/04/2001
• Est. Priority Date: 01/15/1999
• Status: Expired due to Term

• Current Assignee: PFB Corporation
• Original Assignee: Plasti-Fab, Inc. (NOV, Inc.)
• Inventors: Hoogstraten, Jack
• Primary Examiner(s): Friedman, Carl D.
• Assistant Examiner(s): Chavez, Patrick J.
• Application Number:
  US09/298,438
• Time in Patent Office: 956 Days
• Field of Search: 522/75, 524/25, 524/26, 525/62, 522/851, 249/191, 249/47, 249/194, 249/216, 403/231, 403/402
• US Class Current: 52/426
• CPC Class Codes: E04B 2/8652 with ties located in the joints of the forms
• CPC Class Codes: E04B 2002/867 Corner details

Abstract

Disclosed herein is a corner joint support for holding forms for casting upright concrete walls, comprising an outer form support an inner form support, the outer form support including inner and outer upright support portions joined by platforms extending therebetween, the inner form support including inner and outer upright support portions joined by platforms extending therebetween, and spacer means for positioning the inner form support relative to the outer form support.

Claims

1. A corner joint support for holding forms for casting upright concrete walls, comprising:

a) an outer form support and an inner form support;

b) the outer form support including inner and outer upright support portions joined by a platform extending there between;

c) the inner form support including inner and outer upright support portions joined by a platform extending there between;

d) an engagement member located between the inner and outer upright support portions for inhibiting relative lateral movement between the support portions and the forms when placed there between; and

e) spacer means for positioning the inner form support relative to the outer form support;

wherein the platform including a generally horizontal platform for inhibiting relative vertical movement between the form and the support portions.

2. A corner joint as defined in claim 1 wherein said spacer means further includes a passage for receiving concrete there through.

3. A corner joint as defined in claim 1 wherein said spacer means comprises a plurality of spacer elements connecting the support portions of said outer form with the support portions of said inner form support.

4. A corner joint as defined in claim 1 wherein said spacer means further comprises a plurality of spacer elements extending between opposed inner support portions of said outer form support and the inner support portions of said outer form support.

5. A corner joint as defined in claim 1 wherein said support portions have upper and lower ends, and said platforms are intermediate said upper and lower ends.

28. A support as defined in claim 1 wherein each of the inner and outer upright support portions of the outer form support include two pairs of upright panels, each panel being joined at an intersection to form a corner, wherein the generally horizontal platforms extend between the two pairs of upright panels.

29. A support as defined in claim 28 wherein the generally horizontal platforms extend substantially continuously along the entire generally horizontal dimension of the upright panels.

30. A support as defined in claim 1, wherein the outer form support includes an outer pair of upright panels joined at an outer corner and an inner pair of upright panels joined an inner corner and a generally horizontal platform extending between both of the outer pair of panels and both of the inner pair of panels.

31. A support as defined in claim 30 wherein the other form support includes at least one second pair of inner and outer upright support portions which are joined by a horizontal platform extending there between.

6. A corner tie for interlocking the ends of parallel, spaced apart form panels which intersect a second pair of parallel, spaced apart form panels, comprising:

a) four generally horizontal platform members connected in a generally rectangular configuration, the platform members extending between respective pairs of inner and outer upright support portions for receiving the form panels there between, wherein said generally horizontal platform members are located at the corners of said generally rectangular configurations;

b) a first generally horizontal platform member connected to a second generally horizontal platform member by a first spacer member;

c) the first generally horizontal platform member further connected to a third generally horizontal platform member by a second spacer member, such that said second and third generally horizontal platform members are located at generally opposite corners of the generally rectangularly configuration;

d) a fourth generally horizontal platform member connected to the second platform member via a third spacer member;

e) said fourth generally horizontal platform member connected to the third generally horizontal platform member by a fourth spacer member, such that said fourth generally horizontal platform member is located at the corner generally opposite to the first generally horizontal platform member in a generally rectangularly configuration;

f) an engagement member located between the inner and outer upright support portions for inhibiting relative lateral movement between the support portions and the forms when placed there between; and

g) a brace member connecting any two opposing platform members of a generally rectangular configuration,

wherein the generally horizontal platform members for inhibiting relative vertical movement between the form panels and the support portions.

7. The corner tie of claim 6 wherein at least one of the platform members possesses the engagement member for engaging the foam panels.

8. The corner tie of claim 6 where the engagement member comprises slats extending in a generally perpendicular manner from the platform members.

9. The corner tie of claims 6 wherein at least one of the platform members further comprises at least one edge member joined to the platform member.

10. The corner tie of claim 9 wherein the edge member is a paddle.

11. The corner tie of claim 10 wherein the edge member is joined in a generally perpendicular manner to the platform member.

12. The corner tie of claim 10 further comprising a pair of joined edge members, said pair of joined edge members consisting of a first edge member joined in an angular relationship to a second edge member, said first and second edge members also being joined to a common platform member.

13. The corner tie of claim 12 wherein the angular relationship is generally perpendicular.

14. The corner tie of claims 12 wherein at least one of the platform members further comprises at least two pairs of joined edge members.

15. The corner tie of claim 6 wherein the brace member has openings for engagement of concrete reinforcement bars.

16. The corner tie of claim 6 wherein at least one of the spacer members has openings for engagement of concrete reinforcement bars.

17. A corner tie for aligning an adjacent upright wall section of a concrete form comprising:

a) a plurality of upright support panels joined near their ends to form a closed ring structure and defining a concrete passage therein, wherein selected pairs of said upright support panels form corner regions;

b) a plurality of platforms, each joined to a pair of said upright support panels in a corresponding corner region to form a space there between to receive the upright wall section;

c) each of said platforms being arranged for receiving the upright wall section;

d) an engagement member located between the inner and outer upright support portions for inhibiting relative lateral movement between the support portions and the wall sections when placed there between; and

e) at least once brace member extending across passage and attached to opposite sides of said ring structure for maintaining a spaced apart relationship of the corner regions of said closed ring structure;

wherein the platforms including a generally horizontal platform for inhibiting relative vertical movement between the wall sections and the support panels.

18. A corner tie as defined in claim 17 wherein said upright support panels form a generally rectangular closed ring structure.

19. A corner tie as defined in claim 17 wherein each platform has a pair of edges and is attached to said pair of upright support panels along said edges.

20. A corner tie as defined in claim 17 wherein said brace is positioned adjacent two opposed platforms.

21. A corner tie as defined in claim 17 further comprising a plurality of the engagement members, each of which is fixed to a corresponding platform, each of the engagement members to be spaced from at least one of said upright support panels to receive one of said upright wall sections there between for restraining said wall section from lateral movement relative to said platform.

22. A corner tie as defined in claim 21 wherein selected pairs of said platforms define a wall section receiving passage which is bordered by one of said wall sections and a pair of the engagement members, wherein another of said wall sections interrupts said wall section receiving passage.

23. A corner tie as defined in claim 22 wherein selected engagement members include two flanges positioned at right angles to one another, wherein said wall section receiving passage is bordered by one of said flanges and one of said upright support panels.

24. A corner tie as defined in claim 23 wherein each of said flanges is parallel with one of said upright support panels.

25. A corner tie as defined in claim 20 wherein said brace member has a pair of ends, each of which is joined at each end to one of said upright support panels at a position offset from a corresponding corner.

26. A corner tie as defined in claim 25 wherein each end of said brace member is joined to a corresponding vertical support wall at a location substantially in common with the corresponding engagement member.

27. A corner tie as defined in claim 17 wherein said upright support panels extend above and below said platforms, for positioning two sets of upright wall sections.