Endless belt power transmission systems or components – Friction drive belt
Patent
1990-08-28
1991-06-04
Bui, Thuy M.
Endless belt power transmission systems or components
Friction drive belt
474266, F16G 100
Patent
active
050210360
ABSTRACT:
The invention provides a seamless semiconductive belt produced by cutting a seamless tubelike film made of a polycarbonate containing conductive carbon to desired length at right angles to the axial direction of the film, the film having a surface electrical resistance of about 10.sup.5 to about 10.sup.13 .OMEGA./.quadrature. and the ratio of minimum surface electrical resistance to maximum surface electrical resistance being at least 0.01.
REFERENCES:
patent: 1341470 (1920-05-01), Kinnaird
patent: 2362340 (1944-11-01), Bacon
patent: 4772253 (1988-09-01), Koizumi et al.
patent: 4863419 (1989-09-01), Sansone
Ohsima Tetsuhiro
Sakamoto Takumi
Tanaka Akihiro
Bui Thuy M.
Gunze Ltd.
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