Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1975-03-19
1976-04-13
Scott, Samuel
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
74206, 57 7745, 57103, F16H 5534, B21B 2700
Patent
active
039496180
ABSTRACT:
A friction disc is described for very quietly driving twist tubes at several hundred thousand revolutions per minute in a false-twist device for texturing synthetic filaments. The disc has a titanium alloy support flange having a specific electrical resistance of between 1 and 2 .OMEGA./mm.sup.2 /m, a modulus of elasticity of at least 6500 kg/mm.sup.2 and an ultimate tensile strength of at least 25 kg/mm.sup.2. The support flange has a circular cylindrical circumferential surface which fits and is rigidly fixed to the internal surface of a polyurethane friction ring, the external cylindrical surface of which frictionally drives the twist tube. A twist tube driving roller has two such discs spaced apart on a steel driving shaft.
REFERENCES:
patent: 3613467 (1971-10-01), Lee
patent: 3831366 (1974-08-01), Raschle
Burke A. Russell
Heberlein & Co.
Scott Samuel
LandOfFree
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