Method of making a spiral-wound tube, a tube made by such a meth

Details Method of making a spiral-wound tube, a tube made by such a meth Method of making a spiral-wound tube, a tube made by such a meth

1995-12-19

1997-12-02

Dye, Rena

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428 343, 4284246, 428508, 428510, 428511, 428520, 156277, B32B 2306, B32B 2308, B32B 3108

Patent

active

056934165

ABSTRACT:
A method of making a spiral-wound tube, a tube made by such a method, and an outer layer used in such a tube includes structure and steps for bonding a regenerated cellulose web to an outer surface of a spiral-wound substrate. Preferably, the regenerated cellulose comprises a laminate of reverse-printed PVDC-cellophane bonded to a protective layer such as paper. The regenerate cellulose outer web has high strength, is substantially impermeable to liquid and air, has a low coefficient of friction, and is biodegradable. By reverse printing the regenerated cellulose web, printing inks are not smudged or transferred to other surfaces, thus providing an appealing and usable product.

REFERENCES:
patent: 4254173 (1981-03-01), Peer, Jr.
patent: 4859513 (1989-08-01), Gibbons et al.

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