Joint seal retaining element

Details Joint seal retaining element Joint seal retaining element

B - Operations, Transporting

29

C

B29C 47/06 (2006.01) B29D 99/00 (2010.01) B29C 47/04 (2006.01) E01D 19/06 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2091948

A method of manufacturing a retaining element for an expansion joint seal comprises coextruding, in a desired profile, a thermoplastic rubber body with high density plastic reinforcing plate on the lower surface thereof. The reinforcing plate includes at least one rib extending into the thermoplastic rubber body. After the coextruded body and reinforcing plate are permitted to cool and harden the lower surface of said co- extruded body and reinforcing plate is mechanically planed to obtain a retaining element of said desired profile with a flat lower surface.

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