Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Embodying intertwined or helical component
Patent
1992-04-20
1994-07-05
Lesmes, George F.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Embodying intertwined or helical component
428260, 428273, 428377, 57224, 57229, 57231, 57232, 57235, D03D 1300
Patent
active
053266285
ABSTRACT:
A frictional material is made of cloth which is impregnated with a bituminous material and/or a synthetic resin. The cloth is woven from a yarn made by twisting single yarns with reinforcing metal wires. The single yarn consists of a center core in the form of a roving or a yarn of inorganic fibers such as glass fiber, rock wool or ceramic fiber and a covering element in the form of a sliver of organic fibers such as staple fiber, aromatic polyamide fiber or flame-resistant fiber. The frictional material obtained is excellent in physical strength and in resistance against heat, effective for preventing dispersion of dust and irritation to human bodies, and advantageous from the viewpoint of cost.
REFERENCES:
patent: 4015038 (1977-03-01), Romanski et al.
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patent: 4539240 (1985-09-01), Wargin
patent: 4670327 (1987-06-01), Weber
patent: 4921756 (1990-05-01), Tolbert et al.
patent: 4927698 (1990-05-01), Jaco et al.
Amakawa Jirou
Takahata Sirou
Tsuji Masami
Lesmes George F.
Nichias Corporation
Raimund Chris
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