Multiple use concrete form liner专利检索-模板面板建筑材料专利检索查询-专利查询网

Multiple use concrete form liner

阅读：735发布：2023-08-08

专利汇可以提供Multiple use concrete form liner专利检索，专利查询，专利分析的服务。并且A multiple use, flexible, elastomeric liner for forms for concrete faced walls prepared by having a series of rigid panels in side by side relation, includes panels of liners for rigid panels having a concrete contacting face of a flexible, elastomeric synthetic polymer used throughout as a negative mold of a desired design in the finished concrete and having an opposed planar surface for face engagement with the form panels. The liner panels will not support the concrete for the wall without the backing panels. The elastomeric liner is a soft, flexible, resilient, elastomeric synthetic polymeric material which permits sharp relief designs having undercuts, and in edge engagement with similar panels squeeze together for a seamless surface in the completed concrete while leaving the impression of itself in exact detail in the hardened concrete.，下面是Multiple use concrete form liner专利的具体信息内容。

权利要求

1. In combination with large smooth surfaced panels for concrete forms for structural members, a multiple use liner comprising a sheet of soft, flexible, resilient, elastomeric synthetic polymer material which is inert to concrete and having a generally smooth rear surface in face contact with said large smooth surfaced panels, said sheet being formed independently of said panels and supported thereby; the opposite face of said liner having a concrete contacting face formed as a negative mold including undercuts of a desired pattern on the set concrete; said sheeting being at least about 3/8 inch thick at its thinnest section; said sheet having a hardness of from 10-80 Shore A, which permits said material to be deformed without damage for releasing from the designs in the set concrete and having an elongation of from 100-1,000 percent at a tensile modulus of from 150-2,000 psi at 100 percent elongation, a tensile strength in excess of 20 pounds per inch, whereby said liner may be removed from a design in set concrete without damage to the concrete including undercuts in the design and said liner squeezes against an adjacent liner under the weight of contained concrete to seal the joint line therebetween and seal around ties or the like passing through the liner.

2. The combination of claim 1 wherein said polymeric material is a polyurethane having a Shore A hardness of about 53-56, tensile modulus of 212-234, elongation of 270-300 percent, tear strength of 67-73 and a tensile strength of 504-563.

3. The combination of claim 1 wherein said polymeric material is a polyvinyl chloride having a Shore A hardness of about 47-32, tensile modulus of about 175-368, elongation of 320-460 percent, a tear strength of 62-102 and a tensile strength of about 810-1, 200.

4. The combination of claim 1 wherein said sheet essentially covers the area of said panels forming a moisture and temperature barrier for concrete thereagainst.

5. The combination of claim 4 wherein said sheet has its full negative mold face in a desired pattern imparting a total simulated look of the desired configuration to a concrete face set thereagainst.

6. The combination of claim 1 wherein said sheet is formed with a light colored pigment as a reflector for heat into and out of concrete in engagement therewith.

7. The combination of claim 1 wherein said sheet is sufficiently soft and sufficiently thick to produce a gasketing effect around a tie passed through a slit therein.

8. The combination of claim 1 wherein said sheet has a heating element imbedded therein for heating contained concrete.

9. The combination of claim 1 wherein said sheet has a heat exchanger tubing imbedded therein for heating or cooling said sheet.

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Multiple use concrete form liner

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