Seal construction for a mold structure for encapsulating glass w

Details Seal construction for a mold structure for encapsulating glass w Seal construction for a mold structure for encapsulating glass w

1987-08-21

1989-08-08

Werner, David

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

249 85, 425116, 4251291, B29C 3918, B29C 3928, F16J 1500

Patent

active

048545996

ABSTRACT:
A unique dynamic seal assembly is used in a mold structure for encapsulating a glass window assembly with a gasket. The seal assembly resiliently supports the window assembly and cooperates with the mold structure for defining a gasket forming cavity. The mold structure typically includes two cooperating mold sections, each of which can be provided with a groove for receiving a separate dynamic seal assembly. Each seal assembly includes a first sealing body having a sealing surface which faces and is adapted to sealingly contact the window assembly. The first seal element is formed of a non-deformable, non-compressible material and is connected to a second seal element formed of a deformable, non-compressible material which is responsive to pressure applied to the first seal element for adjusting the position of the first seal element in the mold to accommodate thickness variations in a window assembly contacting the first surface. The first seal element is typically formed of a Teflon material and is movable in a vertical direction to accommodate thickness variations in a window assembly contacting the first sealing surface. The second seal element is formed of a silicone rubber material or is a tube filled with a non-compressible fluid.

REFERENCES:
patent: 4561625 (1985-12-01), Weaver
patent: 4584155 (1986-04-01), Zanella
patent: 4626185 (1986-12-01), Monnet
patent: 4688752 (1987-08-01), Barteck et al.
patent: 4732553 (1988-03-01), Hofer

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