Wet friction material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9291211
APP PUB NO 20140346003A1
SERIAL NO

14280830

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Abstract

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In a wet friction material, a plurality of segment pieces is disposed at both sides of inter-segment grooves. The segment pieces are composed of first segment pieces and second segment pieces. The first segment piece has at least two inner peripheral recesses formed on an inner periphery thereof and at least two outer peripheral recesses formed on an outer periphery thereof. The outer periphery of the first segment piece has a short dimension. The second segment piece has at least two inner peripheral recesses formed on an inner periphery thereof and at least two outer peripheral recesses formed on an outer periphery thereof. The outer periphery of the second segment piece has a long dimension.

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Patent Owner(s)

  • AISIN KAKO KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okamura, Hiroki Toyota, JP 9 112

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