Plastic bag with strap-type carrying handle

Details Plastic bag with strap-type carrying handle Plastic bag with strap-type carrying handle

1988-11-23

1989-09-19

Garbe, Stephen P.

Flexible bags

Lifting or suspending element

Including reinforcement or stress distribution means...

383 21, 383 25, 383 29, 383 10, 493226, B65D 3306, B65D 3308, B65D 3310

Patent

active

048675750

ABSTRACT:
A handle web (14) is heat sealed to the gusset end of a bag web (10). The bag is a bottom filled top gusset bag which assumes a carton shape when filled. The handle web (14) has a central portion which extends over the gusset (18). Substantially D-shaped hand openings (16, 18) are formed in the handle web (14). These openings (16, 18) have inwardly-directed arcuate sides (60, 62) and substantially flat outwardly-directed sides (64, 66). Rounded corners (68, 70, 72, 74) are formed where the arcuate sides (60, 62) meet the flat sides (64, 66). This construction results in a four-sided stretching of the handle web when under load, along smoothly curving arcuate paths, providing good stress distribution in the handle web material and the elimination of tear-inducing stress concentrations.

REFERENCES:
patent: 3370630 (1968-02-01), Haugh et al.
patent: 4252269 (1981-02-01), Peppiatt
patent: 4539705 (1985-09-01), Baines
patent: 4550439 (1985-10-01), Peppiatt
patent: 4573203 (1986-02-01), Peppiatt
patent: 4713839 (1987-12-01), Peppiatt
patent: 4730943 (1988-03-01), Johnson
patent: 4781474 (1988-11-01), Sengewald
"Nonwovens and Disposables: Proceedings of 1st Canadian Symposium on Nonwovens and Disposables", Mar. 15-16, 1977, Technomic Publishing Co.

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