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Pavement joint seals

阅读：868发布：2023-08-24

专利汇可以提供Pavement joint seals专利检索，专利查询，专利分析的服务。并且Elongated, hollow elastomer seals particularly useful for the sealing of concrete pavement joints, bridge deck joints, etc. against intrusion by liquids and incompressible solids and embodying an elongated, preferably transversely concave top wall; an elongated bottom wall; substantially flat, elongated side walls; and an internal web structure embodying a vertical web substantially midway between the side walls with the lower end of the vertical web spaced from the bottom wall and at least two pairs of lateral webs extending from opposite sides of the vertical web, at least one of which pairs undergoes a toggle-like action when the seal is laterally compressed.，下面是Pavement joint seals专利的具体信息内容。

权利要求

1. An elongated, elastomer joint seal having a substantially symmetrically concave top wall of V-shape, substantially parallel side walls, and a bottom wall, a vertical web substantially parallel to and substantially midway between said side walls, the upper longitudinal edge of said web being joined to the nadir of said top wall and the lower longitudinal edge of said web being spaced from said bottom wall, and lateral webs connecting said vertical web and said side walls and including a pair of opposed, diagonally downwardly sloping webs which invert in toggle-like fashion when said vertical web is pushed downwardly as said seal is laterally compressed.

2. A joint seal as claimed in claim 1 wherein said bottom wall is a V-shaped wall joined to the lower edges of said side walls, and said lateral webs constitute (a) said pair of opposed, downwardly sloping webs as the lower pair of webs and (b) an upper pair of opposed, upwardly sloping webs.

3. A joint seal as claimed in claim 1 wherein said lateral webs constitute (a) said pair of opposed, downwardly sloping webs as the lower pair of webs and (b) an upper pair of opposed, upwardly sloping webs.

4. A joint seal as claimed in claim 3 wherein said downwardly sloping webs intersect said side walls adjacent the lower edges thereof.

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