US4711058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated concrete form
Assignee: THERMAL FORM Inc
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Filing: 1984-06-11
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Granted: 1987-12-08
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Expires: 2004-06-11
Abstract
Abstract A concrete form consisting of a metallic sheath (20) having a front (22), top (24), back (26), and an angular locking flange and bug barrier (28) nesting over an insulated barrier (30). The sheath (20) is permanently attached to the barrier (30) with a heating adhesive material (31) set by rotatably compressing the assembly between two rollers. Corners are made by notching the sheath (20) on one of the sides and adding a metallic corner splice angle (32). Longitudinal splice joints utilize a straight splice angle (34) inserted between the sheath (20) and barrier (30), where the two ends butt together. Conventional prepositioned wooden stakes (36) are held tightly against the outside surface of the concrete form with wire form clips (38). A metallic sill plate (40) may be added to the structure after the concrete has been poured into the form and hardened. Only the stakes (36) and clips (38) need to be removed, as the remainder of the form becomes an integral part of the floor structure.
Inventors
- 👤 Edward J. Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:44
CPC Classifications
E; E04; E04G; E04G13/00; E04G11/00; E04G11/36; E04G11/365; E04G17/00; E04G17/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
208 words
An insulated concrete form for slab flooring comprising: (a) a metallic protective sheath in linear form having a vertical front leg, a horizontal top, a vertical back, and an angular locking flange and bug barrier; (b) an insulated barrier of rigid block foam in linear rectangular shape having a front, back, top, and bottom, partially contiguous on the front with said sheath vertical front leg, the top contiguous with said sheath horizontal top, and the upper portion of the back contiguous with said sheath vertical back, all being in intimate contact; (c) adhesive bonding said protective sheath to said insulated barrier in constant relationship defining a self-contained permanent form to receive concrete in the liquified state when poured into a slab floor configuration becoming an integral part of the periphery when the concrete is solidified with said angular locking flange and bug barrier secured within the concrete and the top planar with the horizontal surface of the slab; and, (d) an angular corner formed by notching said sheath horizontal top, vertical back, and angular locking flange of one linear form in such a manner as to abut with an unnotched form at right angles having said sheath covering the entire corner without overlapping or exposing said insulated barrier.
Claim 2
Dependent Claim
208 words
An insulated concrete form for slab flooring comprising: (a) a metallic protective sheath in linear form having a vertical front leg, a horizontal top, a vertical back, and an angular locking flange and bug barrier; (b) an insulated barrier of rigid block foam in linear rectangular shape having a front, back, top, and bottom, partially contiguous on the front with said sheath vertical front leg, the top contiguous with said sheath horizontal top, and the upper portion of the back contiguous with said sheath vertical back, all being in intimate contact; (c) adhesive bonding said protective sheath to said insulated barrier in constant relationship defining a self-contained permanent form to receive concrete in the liquified state when poured into a slab floor configuration becoming an integral part of the periphery when the concrete is solidified with said angular locking flange and bug barrier secured within the concrete and the top planar with the horizontal surface of the slab; and, (d) an angular corner formed by notching said sheath horizontal top, vertical back, and angular locking flange of one linear form in such a manner as to abut with an unnotched form at right angles having said sheath covering the entire corner without overlapping or exposing said insulated barrier.
Claim 3
Dependent Claim
259 words
An insulated concrete form for slab flooring comprising: (a) a metallic protective sheath in linear form having a vertical front leg, a horizontal top, a vertical back, and an angular locking flange and bug barrier; (b) an insulated barrier of rigid block foam in linear rectangular shape having a front, back, top, and bottom, partially contiguous on the front with said sheath vertical front leg, the top contiguous with said sheath horizontal top, and the upper portion of the back contiguous with said sheath vertical back, all being in intimate contact; (c) adhesive bonding said protective sheath to said insulated barrier in constant relationship defining a self-contained permanent form to receive concrete in the liquified state when poured into a slab floor configuration becoming an integral part of the periphery when the concrete is solidified with said angular locking flange and bug barrier secured within the concrete and the top planar with the horizontal surface of the slab; and, (d) an angular corner formed by notching said sheath horizontal top, vertical back, and angular locking flange of one linear form in such a manner as to abut with an unnotched form at right angles having said sheath covering the entire corner without overlapping or exposing said insulated barrier; and (e) a metallic corner splice angle having two flat surfaces at right angles forceably embracing the interface between said sheath vertical leg and said insulated barrier being the same width as said sheath vertical leg and smaller in length creating a structural corner when inserted therebetween reinforcing the formed junction.
Claim 4
Dependent Claim
259 words
An insulated concrete form for slab flooring comprising: (a) a metallic protective sheath in linear form having a vertical front leg, a horizontal top, a vertical back, and an angular locking flange and bug barrier; (b) an insulated barrier of rigid block foam in linear rectangular shape having a front, back, top, and bottom, partially contiguous on the front with said sheath vertical front leg, the top contiguous with said sheath horizontal top, and the upper portion of the back contiguous with said sheath vertical back, all being in intimate contact; (c) adhesive bonding said protective sheath to said insulated barrier in constant relationship defining a self-contained permanent form to receive concrete in the liquified state when poured into a slab floor configuration becoming an integral part of the periphery when the concrete is solidified with said angular locking flange and bug barrier secured within the concrete and the top planar with the horizontal surface of the slab; and, (d) an angular corner formed by notching said sheath horizontal top, vertical back, and angular locking flange of one linear form in such a manner as to abut with an unnotched form at right angles having said sheath covering the entire corner without overlapping or exposing said insulated barrier; and (e) a metallic corner splice angle having two flat surfaces at right angles forceably embracing the interface between said sheath vertical leg and said insulated barrier being the same width as said sheath vertical leg and smaller in length creating a structural corner when inserted therebetween reinforcing the formed junction.
Claim 5
Dependent Claim
328 words
An insulated concrete form for slab flooring comprising: (a) a metallic protective sheath in linear form having a vertical front leg, a horizontal top, a vertical back, and an angular locking flange and bug barrier; (b) an insulated barrier of rigid block foam in linear rectangular shape having a front, back, top, and bottom, partially contiguous on the front with said sheath vertical front leg, the top contiguous with said sheath horizontal top, and the upper portion of the back contiguous with said sheath vertical back, all being in intimate contact; (c) adhesive bonding said protective sheath to said insulated barrier in constant relationship defining a self-contained permanent form to receive concrete in the liquified state when poured into a slab floor configuration becoming an integral part of the periphery when the concrete is solidified with said angular locking flange and bug barrier secured within the concrete and the top planar with the horizontal surface of the slab; and, (d) an angular corner formed by notching said sheath horizontal top, vertical back, and angular locking flange of one linear form in such a manner as to abut with an unnotched form at right angles having said sheath covering the entire corner without overlapping or exposing said insulated barrier; (e) a metallic corner splice angle having two flat surfaces at right angles forceably embracing the interface between said sheath vertical leg and said insulated barrier being the same width as said sheath vertical leg and smaller in length creating a structural corner when inserted therebetween reinforcing the formed junction; and, (f) a splice joint formed by butting a pair of insulated concrete forms end to end and attaching a metallic straight splice angle having a top leg and a vertical leg forceably embracing the interface between said sheath top and sheath vertical front leg being the same width as the inside of said sheath top and front leg creating a structural joint when inserted therebetween reinforcing the formed junction.
Claim 6
Dependent Claim
328 words
An insulated concrete form for slab flooring comprising: (a) a metallic protective sheath in linear form having a vertical front leg, a horizontal top, a vertical back, and an angular locking flange and bug barrier; (b) an insulated barrier of rigid block foam in linear rectangular shape having a front, back, top, and bottom, partially contiguous on the front with said sheath vertical front leg, the top contiguous with said sheath horizontal top, and the upper portion of the back contiguous with said sheath vertical back, all being in intimate contact; (c) adhesive bonding said protective sheath to said insulated barrier in constant relationship defining a self-contained permanent form to receive concrete in the liquified state when poured into a slab floor configuration becoming an integral part of the periphery when the concrete is solidified with said angular locking flange and bug barrier secured within the concrete and the top planar with the horizontal surface of the slab; and, (d) an angular corner formed by notching said sheath horizontal top, vertical back, and angular locking flange of one linear form in such a manner as to abut with an unnotched form at right angles having said sheath covering the entire corner without overlapping or exposing said insulated barrier; (e) a metallic corner splice angle having two flat surfaces at right angles forceably embracing the interface between said sheath vertical leg and said insulated barrier being the same width as said sheath vertical leg and smaller in length creating a structural corner when inserted therebetween reinforcing the formed junction; and, (f) a splice joint formed by butting a pair of insulated concrete forms end to end and attaching a metallic straight splice angle having a top leg and a vertical leg forceably embracing the interface between said sheath top and sheath vertical front leg being the same width as the inside of said sheath top and front leg creating a structural joint when inserted therebetween reinforcing the formed junction.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-07 | 1991-06-08 | 1991-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-07 | 1995-06-08 | 1995-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-07 | 1999-06-08 | 1999-12-08 | $7700.00 | Window Closed / Lapsed |