Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Patent
1978-06-09
1980-12-02
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
291592, 74DIG10, 156148, 156180, 156181, 156250, 4234471, 4234472, 428193, 428246, 428367, 428408, 428902, B32B 512
Patent
active
042371759
ABSTRACT:
A carbon-filament reinforced gear material of laminated structure has layers of carbon filaments. The gear material includes a plurality of circular fabrics each having warps and wefts composed of a plurality of carbon filaments. The circular fabrics are laminated one on another such that the carbon filaments of their warps and wefts are substantially equiangularly spaced from those of another fabric about a common axis. The fabrics thus laminated are bound into a unitary structure by means of a binding agent of a thermosetting resin. A method for preparing the carbon-filament reinforced gear material includes the step of loosening the woven fabrics, each of which has such warps and wefts as are composed of the carbon filaments bundled into strands by means of a binding agent, by brushing the plain weave fabrics while applying thereto a binding agent so that the filaments in each of the strands may be substantially equidistantly separated from one another to make thinner and finer fabrics. The fabrics thus loosened are then laminated one on another with the above-mentioned angular relationships. The fabrics are then subjected to heat and pressure so as to set the binding agent or agents thereby to prepare the desired gear material.
REFERENCES:
patent: 3991248 (1976-11-01), Bauer
patent: 4092453 (1978-05-01), Jonda
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