Central handled co-extruded stiff polyethylene bag stack and met

Details Central handled co-extruded stiff polyethylene bag stack and met Central handled co-extruded stiff polyethylene bag stack and met

1999-10-27

2000-11-21

Foster, Jim

Special receptacle or package

Plural paper bags

383 10, B65D 3314

Patent

active

061490075

ABSTRACT:
A pack of plastic shopping bags, each being in a rectangular configuration with a central opening below the upper edge to serve as both a means for mounting with other members of the pack on a forwardly and upwardly projecting support arm, and as a handle for the bag when removed from the support arm; and a method for making such bag packs to provide a stiff inner wall and a tacky outer wall for each bag, by co-extruding HMW HDPE of suggested ranges of density and melt index in a specified percentage of the total bag wall thickness with MLDPE of suggested ranges of density and melt index in the complementary percentage of the total wall thickness. The co-extruded tubing is flattened, subjected to corona treatment, may then receive printing and be gusseted, and thereafter cut transversely, sealed at one end of each cut blank, stacked and subjected to a die operation to cut the openings in all stacked blanks.

REFERENCES:
patent: 4216899 (1980-08-01), Kamp
patent: 4346834 (1982-08-01), Mazumdar
patent: 4367841 (1983-01-01), Mazumdar
patent: 4636412 (1987-01-01), Field
patent: 4943167 (1990-07-01), Gelbard
patent: 5335788 (1994-08-01), Beasley et al.
patent: 5469969 (1995-11-01), Huang
patent: 5957583 (1999-09-01), DeClements, Jr. et al.

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