Stretched tubular film for holding foodstuff

Details Stretched tubular film for holding foodstuff Stretched tubular film for holding foodstuff

1995-12-06

2000-09-19

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Flexible food casing

428 348, 428 352, 428 357, 428 369, 428 3692, 426105, 426135, 426413, 264188, 264197, 264198, A22C 1300, A23G 100, B29C 4720, B29D 2200

Patent

active

061208612

ABSTRACT:
A tubular film for encasing food. The tubular film comprises a material which has been regenerated from a solution of cellulose in a solvent comprising carbon disulfide. The tubular material is longitudinally stretched by from 8 to 30 percent and transversely stretched by from -3 to +10 percent while wet and the stretch is maintained during drying, said transverse stretch being less than 75 percent of the longitudinal stretch, to obtain a longitudinal crystalline orientation. In general, the tubular material has a wall thickness of from 75 to 90 percent of a tubular material which is identical except for being longitudinally unstretched. The invention also includes the method for making the tubular material by stretching the tubular material while wet and maintaining the stretch during drying.

REFERENCES:
patent: 2999756 (1961-12-01), Shiner et al.
patent: 2999757 (1961-09-01), Shiner
patent: 3835113 (1974-09-01), Burke et al.
patent: 4246221 (1981-01-01), McCorsley, III
patent: 4590107 (1986-05-01), Bridgeford
patent: 4784186 (1988-11-01), Stenger et al.
patent: 5277857 (1994-01-01), Nichloson et al.

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