Modular elastomeric expansion seal

Details Modular elastomeric expansion seal Modular elastomeric expansion seal

E - Fixed Constructions

01

C

94/19, 277/67

E01C 11/02 (2006.01) E01C 11/10 (2006.01) E01C 11/12 (2006.01) E01D 19/06 (2006.01)

Patent

CA 1037756

MODULAR ELASTOMERIC EXPANSION SEAL ABSTRACT OF THE DISCLOSURE A modular expansion seal for use In roadways, bridges, and the like adapted for use with a pair of elongated, parallel, spaced-apart retain- ing members defining a gap therebetween and each of the retaining members having a generally C-shaped cavity opening towards said gap. The seal in- cludes end walls for mounting within the aforesaid retaining member cavi- ties and top and bottom walls extending between the end walls for spanning the aforesaid gap. Each end wall includes an outer surface configuration generally adapted for matching engagement with said cavity. However, the radius of curvature of the end wall in an unstressed, disassembled condition is less than the radius of curvature of the cavity so that upon assembly of the end wall within the cavity the outer curved wall posi- tion is forced to assume the curvature of the cavity resulting in a high- ly effective mounting of the end wall therein. In addition, support mem- bers extend between the midportion of each end wall and the top and bot- tom walls adjacent to the respective retaining member for enhancing the retention or mounting of each end wall therein.

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