Fibrous material reinforcing tape, method of making the same and

Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source

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Details

428343, 428375, 493116, 493117, B31B 172, B65D 2500

Patent

active

045670706

ABSTRACT:
In combination, a container made of sheets of fibrous material, said sheets adhered together by glue, and a tape for reinforcing at least part of said container, said tape adhered flat to said fibrous material over substantially its entire length, said tape having a thickness lying between 0.05 and 0.30 millimeters, said tape being weftless and made of parallel yarn ends, each made of several fibers selected from the group consisting of polyester, rayon and polyamide fibers, and an adhesive bonding said yarn ends together, each of said yarn end having gauge range from 100 to 12,000 deniers, there being up to 350 yarn ends in the tape, said yarn ends being flattened with their major cross-sectional dimension being greater than the diameter of the original round yarn ends used for making the tape by an amount varying between 35% and 100%, said adhesive filling the interstices between the yarn ends and providing a generally smooth surface at said main faces, said adhesive chosen to be compatible with said glue.

REFERENCES:
patent: 1883938 (1929-09-01), Killeffer
patent: 3933303 (1976-01-01), Kirby, Jr.
patent: 3994432 (1976-11-01), Kirby, Jr.
patent: 4406365 (1983-09-01), Kulig

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