Apparatus for measuring the thickness of a running sliver in a s

Details Apparatus for measuring the thickness of a running sliver in a s Apparatus for measuring the thickness of a running sliver in a s

1996-10-11

1998-10-06

Neas, Michael A.

Textiles: fiber preparation

Working

Drafting

19150, D01H 532

Patent

active

058158901

ABSTRACT:
An apparatus for measuring the thickness of running sliver includes a body having inner walls defining a funnel-shaped cavity through which the sliver passes; a contact finger having an end portion for contacting the running sliver at the narrow end of the cavity; a support arrangement for movably securing the contact finger to the body; a device for urging the end portion of the contact finger into resilient contact with the running sliver for pressing the running sliver against a stationary component at the narrow end of the contact finger, whereby the contact finger performs excursions in response to thickness variations of the running sliver; and a transducer connected with the contact finger to transform displacements thereof into electrical signals. There is further provided an air stream generating arrangement for driving an air stream through the space which accommodates the contact finger, whereby the contact finger is exposed to the air stream.

REFERENCES:
patent: 3822590 (1974-07-01), Tharpe et al.
patent: 4763387 (1988-08-01), Bothner
patent: 4809405 (1989-03-01), Bruderlin et al.
patent: 4949431 (1990-08-01), Gasser
patent: 5018246 (1991-05-01), Leifeld
patent: 5461757 (1995-10-01), Leifeld
patent: 5544390 (1996-08-01), Hartung et al.
patent: 5615453 (1997-04-01), Leifeld
patent: 5619772 (1997-04-01), Leifeld

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