Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1989-06-09
1990-04-10
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
249 95, 264252, 264255, 277188R, 277194, 425116, B29C 3918, B29C 3928
Patent
active
049153951
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 silicon rubber material or is a tube filled with a non-compressible fluid.
REFERENCES:
patent: 2905489 (1959-09-01), Thompson et al.
patent: 4044984 (1977-08-01), Shimizu et al.
patent: 4561625 (1985-12-01), Weaver
patent: 4688752 (1987-08-01), Barteck et al.
patent: 4732553 (1988-03-01), Hofer
patent: 4826417 (1989-05-01), Reilly et al.
Cummings Scott
Libbey-Owens-Ford Co.
Shoap Allan N.
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