Liquid and gas-impermeable connections for panels of stay-in-place form-work systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04G-017/00
E04B-001/61
E04B-002/86
출원번호
US-0129414
(2015-04-02)
등록번호
US-9982444
(2018-05-29)
국제출원번호
PCT/CA2015/050276
(2015-04-02)
국제공개번호
WO2015/149187
(2015-10-08)
발명자
/ 주소
Richardson, George David
Krivulin, Semion
출원인 / 주소
CFS Concrete Forming Systems Inc.
대리인 / 주소
Rattray, Todd A.
인용정보
피인용 횟수 :
0인용 특허 :
115
초록▼
A stay-in-place form comprises a plurality of elongated panels connectable to one another in edge-to-edge relationship. The plurality of panels comprises first and second panels connectable to one another in edge-adjacent relationship by a connection which comprises a contact joint. The first panel
A stay-in-place form comprises a plurality of elongated panels connectable to one another in edge-to-edge relationship. The plurality of panels comprises first and second panels connectable to one another in edge-adjacent relationship by a connection which comprises a contact joint. The first panel comprise a longitudinally extending first seal-retaining projection shaped to project outwardly from the outer surface of the first panel at a location spaced apart from a first outer-surface transverse edge of the first panel in a first transverse direction. The second panel comprising a longitudinally extending second seal-retaining projection shaped to project outwardly from the outer surface of the second panel at a location spaced apart from a second outer-surface transverse edge of the second panel in a second transverse direction opposite the first transverse direction. The first and second seal-retaining projections and the outer surfaces of the first and second panels defining at least a portion of a seal-receiving concavity which opens outwardly from the form when the connection is made.
대표청구항▼
1. A stay-in-place form for casting structures from concrete or other curable construction materials, the form comprising: a plurality of elongated panels connectable to one another in edge-to-edge relationship to provide at least a portion of the form, each panel comprising longitudinally extending
1. A stay-in-place form for casting structures from concrete or other curable construction materials, the form comprising: a plurality of elongated panels connectable to one another in edge-to-edge relationship to provide at least a portion of the form, each panel comprising longitudinally extending inward facing and outward facing surfaces that also extend transversely between pairs of opposing transverse edges;the plurality of panels comprising first and second panels connectable to one another in edge-adjacent relationship by a connection between a first connector component of the first panel and a second connector component of the second panel, the connection comprising a contact joint between the first and second connector components;the first panel comprising a first seal-retaining thumb shaped to project from the inward-facing surface of the first panel;the second panel comprising a second seal-retaining thumb shaped to project from the inward-facing surface of the second panel; andan inner seal having an inner portion in contact with an inward-facing surface of the second thumb, a first transverse portion in contact with a first transverse-facing surface of the second thumb and a second transverse portion in contact with a second transverse-facing surface of the second thumb; wherein:the inner portion of the inner seal contacts at least an outwardly-facing surface of the first thumb when the connection is made; andthe first and second connector components are deformable to permit relative transverse movement between the first and second thumbs when the connection is made between: a first configuration where the second thumb is located in a first transverse location relative to the first thumb and where the first transverse portion of the inner seal is in contact with the first thumb and a second configuration where the second thumb is located in a second transverse location, different from the first transverse location, relative to the first thumb and where the second transverse portion of the inner seal is in contact with the first thumb. 2. A form according to claim 1 wherein the first configuration comprises the first transverse portion of the inner seal contacting a first transverse-facing surface of the first thumb and the second configuration comprises the second transverse portion of the inner seal contacting a second transverse-facing surface of the first thumb. 3. A form according to claim 1 wherein the first configuration comprises the first transverse portion of the inner seal contacting a first transverse-facing surface of the first thumb and the second transverse portion of the inner seal spaced apart from a second transverse-facing surface of the first thumb and the second configuration comprises the second transverse portion of the inner seal contacting the second transverse-facing surface of the first thumb and the first transverse portion of the inner seal spaced apart from the first transverse-facing surface of the first thumb. 4. A form according to claim 2 wherein at least a portion of the first thumb defines a recess. 5. A form according to claim 4 wherein the recess is defined at least in part by the first transverse-facing portion of the first thumb, the second transverse-facing surface of the first thumb and the outwardly-facing surface of the first thumb. 6. A form according to claim 1 wherein the first and second thumbs are spaced apart from one another by the inner seal when the connection is made. 7. A form according to claim 4 wherein at least a portion of the second thumb is received within at least a portion of the recess. 8. A form according to claim 1 wherein the first transverse-facing surface of the second thumb is planar and bevelled. 9. A form according to claim 1 wherein a portion of the first thumb spaced inwardly away from the inward-facing surface of the first panel is shaped to extend outwardly. 10. A form according to claim 4 wherein a transverse dimension of the recess is greater than a transverse dimension between the first and second transverse-facing surfaces of the second thumb. 11. A form according to claim 4 wherein a transverse dimension of the recess is greater than a transverse dimension between the opposing transverse-most surfaces of the first and second transverse portions of the inner seal. 12. A form according to claim 1 wherein an outermost extent of the inner seal is parallel to the outward facing surface of the second panel. 13. A form according to claim 1 wherein the inner seal is bonded to the second thumb. 14. A form according to claim 1 wherein the inner seal comprises a curable material. 15. A stay-in-place form for casting structures from concrete or other curable construction materials, the form comprising: a plurality of elongated panels connectable to one another in edge-to-edge relationship to provide at least a portion of the form, each panel comprising longitudinally extending inward facing and outward facing surfaces that also extend transversely between pairs of opposing transverse edges;the plurality of panels comprising first and second panels connectable to one another in edge-adjacent relationship by a connection between a first connector component of the first panel and a second connector component of the second panel, the connection comprising a contact joint between the first and second connector components;the first panel comprising a first seal-retaining thumb shaped to project from the inward-facing surface of the first panel;the second panel comprising a second seal-retaining thumb shaped to project from the inward-facing surface of the second panel; andan inner seal having an inner portion in contact with an outward-facing surface of the first thumb, a first transverse portion in contact with a first transverse-facing surface of the first thumb and a second transverse portion in contact with a second transverse-facing surface of the first thumb; wherein:the inner portion of the inner seal contacts at least an inwardly-facing surface of the second thumb when the connection is made; andthe first and second connector components are deformable to permit relative transverse movement between the first and second thumbs when the connection is made between: a first configuration where the second thumb is located in a first transverse location relative to the first thumb and where the first transverse portion of the inner seal is in contact with the second thumb and a second configuration where the second thumb is located in a second transverse location, different from the first transverse location, relative to the first thumb and where the second transverse portion of the inner seal is in contact with the second thumb. 16. A form according to claim 1, the first panel comprising a longitudinally extending first seal-retaining projection shaped to project outwardly from the outer surface of the first panel at a location spaced apart from a first outer-surface transverse edge of the first panel in a first transverse direction; the second panel comprising a longitudinally extending second seal-retaining projection shaped to project outwardly from the outer surface of the second panel at a location spaced apart from a second outer-surface transverse edge of the second panel in a second transverse direction opposite the first transverse direction;the first and second seal-retaining projections and the outer surfaces of the first and second panels defining at least a portion of a seal-receiving concavity which opens outwardly from the form when the connection is made. 17. A stay-in-place form for casting structures from concrete or other curable construction materials, the form comprising: a plurality of elongated panels connectable to one another in edge-to-edge relationship to provide at least a portion of the form, each panel comprising a longitudinally extending outer surface that also extends transversely between a pair of opposing outer-surface transverse edges;the plurality of panels comprising first and second panels connectable to one another in edge-adjacent relationship by a connection between a first connector component of the first panel and a second connector component of the second panel, the connection comprising a contact joint between the first and second connector components;the first panel comprising a longitudinally extending first seal-retaining projection shaped to project outwardly from the outer surface of the first panel at a location spaced apart from a first outer-surface transverse edge of the first panel in a first transverse direction;the second panel comprising a longitudinally extending second seal-retaining projection shaped to project outwardly from the outer surface of the second panel at a location spaced apart from a second outer-surface transverse edge of the second panel in a second transverse direction opposite the first transverse direction;the first and second seal-retaining projections and the outer surfaces of the first and second panels defining at least a portion of a seal-receiving concavity which opens outwardly from the form when the connection is made. 18. A form according to claim 17 wherein a portion of the first seal-retaining projection is shaped to extend transversely toward the first outer-surface transverse edge. 19. A form according to claim 18 wherein the portion of the first seal-retaining projection is shaped to extend both transversely toward the first outer-surface transverse edge and outwardly from the outer surface of the first panel. 20. A form according to claim 18 wherein the portion of the first seal-retaining projection is shaped to extend transversely toward the first outer-surface transverse edge at a location spaced outwardly apart from the outer surface of the first panel. 21. A form according to claim 17 wherein a portion of the first seal-retaining projection is shaped to extend transversely away from the first outer-surface transverse edge. 22. A form according to claim 17 wherein a first portion of the first seal-retaining projection is shaped to extend transversely away from the first outer-surface transverse edge and a second portion of the first seal-retaining projection is shaped to extend transversely toward the first outer-surface transverse edge, the first portion of the first seal-retaining projection located relatively closer to the outer surface of the first panel than the second portion of the first seal-retaining projection. 23. A form according to claim 17 wherein the first seal-retaining projection comprises a first hook portion at a location spaced apart from the outer surface of the first panel, the first hook portion shaped to define a first hook concavity that opens toward the outer surface of the first panel and wherein the second seal-retaining projection comprises a second hook portion at a location spaced apart from the outer surface of the second panel, the second hook portion shaped to define a second hook concavity that opens toward the outer surface of the second panel. 24. A form according to claim 23 wherein the first hook portion comprises a first beveled surface that extends both toward the outer surface of the first panel and transversely away from the first outer-surface transverse edge and the second hook portion comprises a second beveled surface that extends both toward the outer surface of the second panel and transversely away from the second outer-surface transverse edge. 25. A form according to claim 17 wherein, when the connection is made, the first and second seal-retaining projections extend toward one another as they extend outwardly from the outer surfaces of the first and second panels respectively. 26. A form according to claim 17 wherein, when the connection is made, an outermost opening of the seal-receiving concavity has a transverse dimension that is smaller than a transverse dimension of the seal-receiving concavity at an interior of the seal-receiving concavity, the interior of the seal-receiving concavity closer to the outer surfaces of the first and second panels. 27. A form according to claim 17 wherein the first seal-retaining projection is shaped to provide, together with the outer surface of the first panel, a first transversely-opening secondary seal-receiving concavity, the first transversely-opening secondary seal-receiving concavity opening toward the second seal-retaining projection when the connection is made and wherein the second seal-retaining projection is shaped to provide, together with the outer surface of the second panel, a second transversely-opening secondary seal-receiving concavity, the second transversely-opening secondary seal-receiving concavity opening toward the first seal-retaining projection when the connection is made. 28. A form according to claim 17 comprising a flexible seal located in the seal-receiving concavity. 29. A form according to claim 28 wherein: the seal is bonded on the first transverse side of the first outer-surface transverse edge to at least one of the outer surface of the first panel and a surface of the first seal-retaining projection; and on the second transverse side of the second outer-surface transverse edge to at least one of the outer surface of the second panel and a surface of the second seal-retaining projection. 30. A form according to claim 28 wherein the seal comprises a curable material. 31. A form according to claim 28 wherein the seal is sized to be deformed by location of the seal in the seal-receiving concavity and wherein the deformed seal is sized to exert restorative deformation forces, on the first transverse side of the first outer-surface transverse edge, against at least one of the outer surface of the first panel and a surface of the first seal-retaining projection; and, on the second transverse side of the second outer-surface transverse edge, against at least one of the outer surface of the second panel and a surface of the second seal-retaining projection. 32. A form according to claim 23 comprising a cap, the cap comprising first and second complementary hook portions for connecting to the first and second hook portions and, when so connected, the cap covering the outwardly opening seal-receiving concavity. 33. A method for casting structures from concrete or other curable materials using a stay-in-place form, the method comprising: connecting pairs of panels, each panel comprising longitudinally extending inward facing and outward facing surfaces that also extend transversely between pairs of transverse edges, to one another in edge-adjacent relationship to provide a form, connecting pairs of panels comprising, for each connection between a first panel and a second panel:forming a contact joint between a first connector component of the first panel and a second connector component of the second pane;providing a first seal-retaining thumb shaped to project from the inward-facing surface of the first panel;providing a second seal-retaining thumb shaped to project from the inward-facing surface of the second panel; andcontacting an inner seal with the second thumb, contacting the inner seal comprising: contacting an inner portion of the inners seal with an inward-facing surface of the second thumb, contacting a first transverse portion of the inner seal with a first transverse-facing surface of the of the second thumb and contacting a second transverse portion of the inner seal with a second transverse-facing surface of the second thumb;contacting the inner portion of the inner seal with at least an outwardly-facing surface of the first thumb when the connection is made; andpermitting deformation of the first and second connector components thereby to permit relative transverse movement between the first and second thumbs when the connection is made between: a first configuration where the second thumb is located in a first transverse location relative to the first thumb and where the first transverse portion of the inner seal is in contact with the first thumb and a second configuration where the second thumb is located in a second transverse location, different from the first transverse location, relative to the first thumb and where the second transverse portion of the inner seal is in contact with the first thumb.
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