Thermoplastic bags and method of making

Details Thermoplastic bags and method of making Thermoplastic bags and method of making

1980-12-29

1983-08-30

Godici, Nicholas P.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493228, 493241, 493464, 493926, B31B 120, B31B 4114

Patent

active

044014279

ABSTRACT:
A thermoplastic bag characterized by having handles formed on opposite ends of the bag mouth which is characterized by having structural features immediately adjacent the mouth of the bag to provide stress relief at those positions on the bag mouth where maximum stress is concentrated when such bags are being filled with product and eventually carried by the user. The stress redistribution feature is characterized by an area or areas, immediately adjacent the mouth portion of the bag and the base of the handle members, which are characterized by having a plurality of narrow pleats which are impressed into the bag structure by die members during formation of the individual bag.

REFERENCES:
patent: 2124582 (1938-07-01), McBean
patent: 2434892 (1948-01-01), Ulm
patent: 2790592 (1957-04-01), Doyle
patent: 3323983 (1967-06-01), Palmer
patent: 3414181 (1968-12-01), Sloan
patent: 3966524 (1976-06-01), Lehmacher

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