Sealing unit and a process for sealing parts

Details Sealing unit and a process for sealing parts Sealing unit and a process for sealing parts

1985-11-18

1988-06-07

Van Balen, William J.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277188A, 277198, 277227, 428217, 428218, F16J 1516, F16J 1556

Patent

active

047492015

ABSTRACT:
Disclosed is a sealing unit comprising a soft sealing ring and a thrust ring which has a greater hardness than the sealing ring. The two rings are permanently connected along a central surface of contact (b). Also disclosed is a process for producing the sealing unit comprising the steps of extruding both the sealing ring and the thrust ring, and then connecting the extruded rings along the central surface of contact.

REFERENCES:
patent: 2456356 (1948-12-01), Aber
patent: 3149848 (1964-09-01), Galloway et al.
patent: 3405959 (1968-10-01), Walker
patent: 3687465 (1972-08-01), Grime et al.
patent: 4040636 (1977-08-01), Albertson et al.
patent: 4052112 (1977-10-01), Faber
patent: 4053166 (1977-10-01), Domkowski
patent: 4204716 (1980-05-01), Baylor
T. M. Bashta, "Mashinostroitelnaya gidravlika", Moscow, Mashinostroenie, 1971, p. 609, FIG. 379.
V. K. Zhitomirsky, "Mashinostroenie, Moscow, 1964, p. 106, FIG. 4.

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