Extruded thermoplastic elastomer expansion joint retainer

Details Extruded thermoplastic elastomer expansion joint retainer Extruded thermoplastic elastomer expansion joint retainer

1991-04-22

1993-05-25

Melius, Terry Lee

Road structure, process, or apparatus

Pavement

Including joint means

404 67, 404 69, E01C 1110

Patent

active

052134415

ABSTRACT:
An expansion joint retainer is used in fastening a flexible elastomeric seal or strip seal to a structural slab. The retainer has a main body made from a first material. The main body has a thickness selected to permit emplacement of the retainer on the edge of a said slab whereby the upper surface of the main body is substantially coplanar with or beneath the upper traffic bearing surface of the slab. The retainer includes a retaining element adjacent the lower surface of the main body. The retaining element is made of a second material serving to provide the retainer with sufficient rigidity to be bolted to a slab. The invention is characterized in that the second material is a thermoplastic elastomer.

REFERENCES:
patent: 3363522 (1968-01-01), Galbreath
patent: 3713368 (1973-01-01), McDowell et al.
patent: 3750359 (1973-08-01), Balzer et al.
patent: 4084912 (1978-04-01), Pyle et al.
patent: 4504170 (1985-03-01), Schukolinski
patent: 4572702 (1986-02-01), Bone
patent: 4774795 (1988-10-01), Braun
patent: 4815247 (1989-03-01), Nicholas

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