Elastomeric spring expansion joint-seal strip

Details Elastomeric spring expansion joint-seal strip Elastomeric spring expansion joint-seal strip

1979-12-17

1981-09-22

Perham, Alfred C.

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Separator inserted prior to or during pouring of two...

52403, 404 65, 404 66, 404 68, E01C 1104, E04B 168

Patent

active

042902495

ABSTRACT:
The object of this invention is to provide an elastomeric spring expansion joint-seal strip for sealing the gap between expansion members in highways, bridges and the like.
The spring expansion joint-seal strip is an elongated seal strip of a substantially M-shaped cross section. The seal strip comprises an elongated web member for spanning a gap between a pair of structural slab members. The web member has flange portions extending along each longitudinal edge thereof. The flange portions support resilient grippers which are urged into sealing engagement with abutments on the slab members by spring means embedded within the elastomeric seal strip.

REFERENCES:
patent: 2156681 (1939-05-01), Dewhirst
patent: 3363383 (1968-01-01), LaBarge
patent: 3479933 (1969-11-01), Hall
patent: 4030852 (1977-06-01), Hein
patent: 4067660 (1978-01-01), Puccio

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