Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Dividing work to form plural articles
Patent
1984-10-19
1987-08-25
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Dividing work to form plural articles
29417, 295271, 264262, 264277, 264293, 277 1, 425124, 425127, 425385, 425DIG47, B29C 3314, B29C 3910, B32B 3106
Patent
active
046891900
ABSTRACT:
A method of manufacturing a composite seal assembly. A primary sealing ring in generally frustoconical form is cut from a cylindrical billet of a resinous fluorocarbon material so as to have first and second principal surfaces each inclined with respect to the axis of the billet. The ring thus formed is supported against movement by disposing a relatively rigid annular casing unit adjacent the ring, with the ring lying within the casing opening, and bonding the casing element to the seal ring by molding an elastomeric collar of thin cross-section between a portion of the second surface of the ring and a part of said casing.
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patent: 4183892 (1980-01-01), Corsi et al.
patent: 4406847 (1983-09-01), O'Neal et al.
patent: 4464322 (1984-08-01), Butler
patent: 4542573 (1985-09-01), Bainard
patent: 4578856 (1986-04-01), Butler
Christiansen Keith
Jaime Gil
Peisker Glenn
Bufalino Angelo J.
Chicago Rawhide Mfg. Co.
Fitzgibbon James T.
Tentoni Leo B.
Thurlow Jeffery
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