Shrinkable tubing with integral tear strip

Details Shrinkable tubing with integral tear strip Shrinkable tubing with integral tear strip

1994-10-19

1999-04-13

Pascua, Jes F.

Special receptacle or package

Shrink film package

229 8705, 383207, B65D 6500

Patent

active

058934600

ABSTRACT:
A packaging sleeve of heat-shrinkable thermoplastic comprising a flattened tube having a first wall and second wall connected along parallel first and second lines of connection; lines of weakness formed in said first and second walls proximate to one of said lines of connection; said lines of weakness and the line of connection defining tear strip zones therebetween; a reinforcing-levering band in said zones formed by welding superimposed portions of said first and second walls; said reinforcing levering band being disposed parallel to said lines of weakness and in combination with said zones and lines of weakness establishing a tear strip for opening the sleeve.

REFERENCES:
patent: 3254829 (1966-06-01), Cooper
patent: 3259235 (1966-07-01), Sowle
patent: 3260358 (1966-07-01), Gottily et al.
patent: 3261538 (1966-07-01), Jones et al.
patent: 3341108 (1967-09-01), Kirk
patent: 3679048 (1972-07-01), Fujio
patent: 4903843 (1990-02-01), Fischer
patent: 4958735 (1990-09-01), Odabashian

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