Method of making a seal

Details Method of making a seal Method of making a seal

1983-01-05

1984-08-07

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

29460, 295271, 264161, 264250, 264262, 264267, 2642711, 264320, 264138, B29C 1710, B29D 300, B29G 100

Patent

active

044643225

ABSTRACT:
A method of making a seal of the type which includes a rigid case, a first seal portion of an elastomeric material and a second seal portion of a low friction material. The method includes placing the rigid case, a wafer of low friction material and two elastomeric blanks into a mold, closing the mold to maintain the aforementioned case, blanks and wafer in position and thereafter further closing the mold to form the seal.

REFERENCES:
patent: 2736585 (1956-02-01), Riesing
patent: 3495843 (1970-02-01), Anderson et al.
patent: 3837660 (1974-09-01), Poggio
patent: 3875654 (1975-04-01), Ushijima
patent: 4006210 (1977-02-01), Denton
patent: 4166627 (1979-09-01), Bainard et al.
patent: 4171561 (1979-10-01), Bainard et al.
patent: 4239243 (1980-12-01), Bainard et al.
patent: 4406847 (1983-09-01), O'Neal et al.

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