Apparatus for pocketed coil construction having improved trackin

Details Apparatus for pocketed coil construction having improved trackin Apparatus for pocketed coil construction having improved trackin

1995-04-17

1996-04-23

Echols, P. W.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

B31F 100

Patent

active

055098878

ABSTRACT:
Improvements to a method and apparatus are disclosed for making a series of coil springs pocketed within individual pockets in an elongate fabric strip comprised of two overlying plies capable of being welded together. Improvements include improvements to fabric tracking and folding, fabric handling along the fabric path, and various direct-drive configuration eliminating the need for pneumatic cylinders.

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patent: 4646511 (1987-03-01), Boeckmann et al.
patent: 4666423 (1987-05-01), Herrington

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