Sliver guiding and measuring assembly having a resiliently biase

Details Sliver guiding and measuring assembly having a resiliently biase Sliver guiding and measuring assembly having a resiliently biase

1995-10-27

1997-10-07

Will, Thomas B.

Textiles: fiber preparation

Working

Drafting

19239, 73160, 3350104, D01H 572, D01H 1332, G01B 504

Patent

active

056734620

ABSTRACT:
An apparatus for measuring sliver thickness in a drawing frame includes a sliver guiding device which has an inlet for simultaneously receiving a plurality of side-by-side running slivers having an advancing direction; and a sliver combining arrangement defining a plane extending parallel to the advancing direction for bringing the slivers together to form a sliver assembly constituted by a plurality of side-by-side positioned running slivers arranged in the plane and laterally contacting one another. A movable sensor element is situated at the apparatus outlet and laterally contacts the sliver assembly with an adjustable force. The sensor element undergoes excursions upon variation of thickness of the sliver assembly. The sensor element and a counterelement together define a restriction through which the sliver assembly passes. A transducer converts excursions of the sensor element into electric pulses. The apparatus further has a withdrawing roller pair which is supported downstream of the sliver guiding device as viewed in the advancing direction and which defines a nip through which the sliver assembly passes.

REFERENCES:
patent: 2697281 (1954-12-01), Watson
patent: 3822590 (1974-07-01), Tharpe et al.
patent: 4864853 (1989-09-01), Grunder et al.

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