Process for covering a substrate with threads welded through the

Details Process for covering a substrate with threads welded through the Process for covering a substrate with threads welded through the

1984-11-26

1986-04-15

Wityshyn, Michael

Stock material or miscellaneous articles

Pile or nap type surface or component

Edge feature or configured or discontinuous surface

156 72, 156 732, 156178, 428 94, B32B 508, D04H 1104

Patent

active

045827400

ABSTRACT:
A machine for producing pile fabric comprises a sonotrode (1) , a matrix (4) of tubes (5) bringing threads (10) onto a support sheet (7) for the purpose of welding rows of loops to the surface of this sheet. The matrix (4) is guided between slides (6) which are parallel to the longitudinal axes of the tubes (5) and perpendicularly to the surface of application of the sonotrode (1) vibrations. A driving mechanism (13, 14, 15) periodically brings the extremities of the tubes (5) from which the threads leave against the sonotrode (1) by pressing the base of a row of loops and the support sheet (7) against the sonotrode in order to cause them to be welded together.

REFERENCES:
patent: 2752277 (1956-06-01), Keen
patent: 2884680 (1959-05-01), Nowicki
patent: 3640786 (1972-02-01), Carpenter
patent: 3850783 (1974-11-01), Peters et al.
patent: 3982978 (1976-09-01), Carpenter

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