Externally held expander for tubular textile fabric

Details Externally held expander for tubular textile fabric Externally held expander for tubular textile fabric

1988-09-29

1989-12-12

Schroeder, Werner H.

Textiles: cloth finishing

Expanding device for textile webs

Tubular-fabric-enclosed spreader

D06C 300

Patent

active

048858269

ABSTRACT:
A spreader for tubular fabric has a divided central carrier to which struts or support arms are pivoted for carrying longitudinal guide rods, e.g., in parallelogram type fashion. The two sections of the central spreader carrier telescope relative to each other against the force of a spring which presses the two sections of the spreader against upper and lower sets of position determining roller pairs. Support rollers are inserted between the positioning determining roller sets at the upper and lower ends of the spreader. The operation or action of the struts or support arms enables the adjustment of the spreader even in its working position while fabric is running over the spreader. This is possible by changing the axial length of the spreader by an externally arranged lifting mehcanism for raising and lowering at least one of the position determining roller sets. Raising one roller set decreases the spreader diameter while lowering at least one roller set increases the spreader diameter.

REFERENCES:
patent: 3370116 (1968-02-01), Wrede
patent: 4269046 (1981-05-01), Strahm
patent: 4306340 (1981-12-01), Strudel
patent: 4306341 (1981-12-01), Rottensteiner
patent: 4337630 (1982-07-01), Strahm

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