Shaping apparatus for a synchronizer ring

Details Shaping apparatus for a synchronizer ring Shaping apparatus for a synchronizer ring

1990-02-26

1991-12-31

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With casting, plastic molding, or extruding means

192 53F, 192107M, 192113R, 192113B, 425417, B32B 3114

Patent

active

050768824

ABSTRACT:
A synchronizer ring has a frictional material and oil grooves extending on the frictional surface of the frictional material in a longitudinal direction and a circumferential direction, and in the oil grooves, the fiber layer of the frictional material is substantially continuous. The oil grooves are formed simultaneously by a shaping apparatus including an arrangement of longitudinal and circumferential groove punches which are simultaneously forced outwardly from a punch holder by a cooperative slide member which reciprocates within the punch holder.

REFERENCES:
patent: 2954853 (1960-10-01), Maierson et al.
patent: 4267912 (1981-05-01), Bauer et al.
patent: 4286694 (1981-09-01), Wiseman et al.
patent: 4597484 (1986-07-01), Takiguchi et al.
patent: 4770283 (1988-09-01), Putz et al.
patent: 4824357 (1989-04-01), Christiansen

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