Method of forming a reclosable container with grip strip

Details Method of forming a reclosable container with grip strip Method of forming a reclosable container with grip strip

1989-10-11

1991-04-23

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

156 66, 15624411, 15624425, 26417716, 26417717, 26417719, 2642101, 425461, B29C 4712

Patent

active

050098284

ABSTRACT:
A method of forming a plurality of small ridges located in a strip across the lip of a reclosable plastic bag is provided. The method produces a wide ridged surface area to permit ready gripping of the lip of the bag when opening the bag and separating the reclosable feature.

REFERENCES:
patent: 3104937 (1963-09-01), Wyckoff et al.
patent: 3994654 (1976-11-01), Chyu
patent: 4076121 (1978-02-01), Clayton et al.
patent: 4101620 (1978-07-01), Kops et al.
patent: 4363345 (1982-12-01), Scheibner
patent: 4515647 (1985-05-01), Behr
patent: 4521368 (1985-06-01), Mercer et al.

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