Method for forming a fiber composite sealing element

Details Method for forming a fiber composite sealing element Method for forming a fiber composite sealing element

1988-09-26

1991-04-02

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

277227, 277DIG6, 156245, B32B 3100

Patent

active

050045130

ABSTRACT:
The composite sealing element of the invention includes an elastomeric sealing lip portion and a base portion, chemically bonded to the sealing lip comprised of an elastomer reinforced with discrete dispersed fibers oriented in a preferential manner, and the sealing lip and base portions being chemically bonded together such as by covulcanization to form an integral sealing element resistant to delamination. The method involved forming a fiber loaded sheet in which the fibers are oriented generally unidirectionally, plying up the sheet to form the base portion of the sealing element, and molding the finished article under heat and pressure.

REFERENCES:
patent: 3049385 (1962-08-01), Smith
patent: 3719366 (1973-03-01), Pippert
patent: 3854736 (1974-12-01), Farnam
patent: 3879044 (1975-04-01), Estes
patent: 4214761 (1980-07-01), Pippert
patent: 4280709 (1981-07-01), Heikes et al.
patent: 4438938 (1984-03-01), Armell
patent: 4700954 (1977-10-01), Fischer

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