Method for working on woven fabric wound on a supply roll

Details Method for working on woven fabric wound on a supply roll Method for working on woven fabric wound on a supply roll

1986-05-16

1987-10-20

Yost, Frank T.

Cutting

Processes

With preparatory or simultaneous ancillary treatment of work

83649, 83925CC, 270 31, D06H 700, B65H 1746

Patent

active

047005980

ABSTRACT:
Programmable apparatus for cutting woven fabric wound on a supply roll includes a fabric spreader which pays-off fabric from the supply roll and onto a cutting table as the spreader moves relative to the table. A vibrating member carried by the fabric spreader and over which the payed-off fabric is constrained to pass imparts vibration to a portion of the fabric which extends across the entire width of the fabric to relieve residual stresses within the fabric as it is spread onto the table surface. The spread fabric is immediately cut by a rotary cutting wheel which moves in cutting engagement with the fabric in response to command signals received from a programmable controller.

REFERENCES:
patent: 2943377 (1960-07-01), Frieberger
patent: 3474509 (1969-10-01), Bray
patent: 3627301 (1971-12-01), Benson et al.
patent: 3672661 (1972-06-01), Gerber et al.
patent: 3782649 (1974-01-01), Frederick et al.
patent: 3796117 (1974-03-01), Mukai et al.

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