Pneumatically threadable yarn brake and a two-for-one twisting s

Details Pneumatically threadable yarn brake and a two-for-one twisting s Pneumatically threadable yarn brake and a two-for-one twisting s

1982-02-05

1984-09-04

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Threading up

57 5886, 242149, D01H 1310, D01H 786, D01H 1500, B65H 5922

Patent

active

044689209

ABSTRACT:
In a pneumatically threadable yarn brake, in which a substantially capsular brake cartridge (7) abuts against an upper (8) and lower (9) brake surface ring in a brake housing, the lower brake surface ring (9) is connected to an annular diaphragm (16) which is downwardly adjustable or movable under the action of a vacuum, at the same time carrying along the lower brake surface ring (9).

REFERENCES:
patent: 4281508 (1981-08-01), Frentzel-Beyme
patent: 4302930 (1981-12-01), Franzen

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