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US 4,324,706 AGranted
Friction material
AssigneesTeijin Limited, Adebono Brake Industry Co., Ltd.
InventorsYutaka Tabe, Hiromitsu Takamoto, Keizo Shimada, Yasusaburo Sugita
Life of this patent
Estimating the term…
Abstract
A friction material having an excellent heat-resistance, comprises 5 to 70% by weight of pulp-like particles consisting essentially of a heat-resistant aromatic polymeric material; 1 to 70% by weight of a fibrous material comprising at least one member selected from inorganic fibrous materials and heat-resistant organic fibrous materials; 1 to 35% by weight of a friction-regulating agent and; 5 to 40% by weight of a thermosetting polymeric resin.
Claims16
A friction material comprising the elements of:
- (A) 5 to 70% by weight of pulp-like particles consisting essentially of a heat-resistant aromatic polymeric material;
- (B) 1 to 70% by weight of a fibrous material comprising at least one member selected from the group consisting of inorganic fibrous materials and heat-resistant organic fibrous materials;
- (C) 1 to 35% by weight of a friction-regulating agent and;
- (D) 5 to 40% by weight of a thermosetting polymeric resin.
1 more element
Dependencies are inferred from the claim text.