Elastomeric mold seals

Details Elastomeric mold seals Elastomeric mold seals

1991-12-13

1993-04-06

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428 31, 428122, 428192, 4284228, 4284231, 4584, 4595, B32B 702

Patent

active

052002578

ABSTRACT:
An elastomeric mold seal for use in a molding apparatus having first and second molding members. The first molding member includes a seal groove therein. The molding apparatus is adapted to receive an article for molding one side thereof having an upstanding rim including a lip, a vertical wall and horizontal wall. The mold seal is formed from an elastomeric material having an essentially L-shaped cross-section including an enlarged head sized to be retained in said seal groove and a leg having an end depending therefrom. The seal includes a recessed portion including an essentially horizontal ledge and an essentially vertical surface. The ledge engages the lip of the rim, the essentially vertical surface engages the vertical wall of the rim and the end of the leg engages the horizontal wall of the rim when the article is being molded in the molding apparatus.

REFERENCES:
patent: 2841823 (1958-07-01), Van Hartesveldt
patent: 4120632 (1978-10-01), Stoeberl
patent: 4664982 (1987-05-01), Genovese et al.
patent: 4688752 (1987-08-01), Barteck et al.
patent: 4732553 (1988-03-01), Hofer
patent: 4844944 (1989-07-01), Graefe et al.
patent: 4844955 (1989-07-01), Graefe et al.
patent: 4854599 (1989-08-01), Barteck
patent: 4857389 (1989-08-01), Wheeler
patent: 5049443 (1991-09-01), Kuszaj et al.

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