Product made up of a roll of valved synthetic resin bags, with t

Details Product made up of a roll of valved synthetic resin bags, with t Product made up of a roll of valved synthetic resin bags, with t

1987-11-10

1989-07-04

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

383 37, 383 44, 383 47, 428 43, 428906, B65D 3000, B65D 3024

Patent

active

048449563

ABSTRACT:
A product made up of a web that is a ribbon of valved bags of synthetic resin, with delimiting pairs of transversal weldings located in close proximity together and between which is formed a pre-established tear-off line permitting separation of the bags even after filling; the web or ribbon being manufactured as a roll, and the pairs of transversal weldings being adjacent to the valve of one of the contiguous bags and delimited by said weldings.

REFERENCES:
patent: 3332548 (1967-07-01), Piazze et al.
patent: 3384294 (1968-05-01), Astle
patent: 4470152 (1984-09-01), Blankenship
patent: 4566131 (1986-01-01), Achelpohl
patent: 4672688 (1987-06-01), Kalkipsakis
patent: 4681785 (1987-07-01), Horn
patent: 4685148 (1987-08-01), Titchenal

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