Wet-type segmented friction material and its manufacturing...

Details Wet-type segmented friction material and its manufacturing... Wet-type segmented friction material and its manufacturing...

2007-01-23

2007-01-23

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Axially engaging

C192S070140, C192S10700R, C192S113360

Reexamination Certificate

active

10644067

ABSTRACT:
A wet-type segmented friction material has a tape-like friction material substrate which is passed through and pressed between a roller having a dent at a center and a flat roller. At the same time, the friction material substrate is heated from an inside and an outside of the rollers so as to carry out a heat press compression processing. Then, a processed friction material substrate has a predetermined cross-section. The processed friction material substrate is cut into segment pieces each having a segment shape by a rotary push cutter having a sharp cutting edge. A cut position of the segment piece is selected such that two straight lines at two lateral sides of the segment shape is located within an area of a compressed portion of the processed friction material substrate. That is, a stepped or sunken compressed portion is provided on both sides of the segment piece.

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