| 摘要 |
Elongated, hollow elastomer seals particularly useful for the sealing of bridge deck joints, bridge approach joints and like wide joints against intrusion by liquids and incompressible solids and embodying a transversely concave top wall; side walls and a bottom wall, and an internal web structure with a pair of webs extending respectively between intermediate portions of the top wall located intermediate the longitudinal midportion thereof and respective side walls and respective intermediate portions of laterally extending internal webs to resist inward rolling of the upper longitudinal corners of the seal away from the joint faces when the seal is seated under lateral compression in a joint.
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