Method of making a band of plastic bags

Details Method of making a band of plastic bags Method of making a band of plastic bags

1974-09-30

1976-06-01

Garbe, Stephen P.

Special receptacle or package

For holding a machine readable recording medium

For holding a grooved phonograph disc

83 30, 93 33R, 93 58P, 206390, B31B 4904

Patent

active

039600629

ABSTRACT:
A band of bags of plastic material connected with each other by perforation lines. In the two end parts of each perforation line the number of perforations and/or the width of the perforations per unit of width is greater than in the central part of the perforation line. A device for manufacturing said band of bags comprises a perforating member with equidistantly spaced first perforating pins and second perforating pins are present on either side of a central area between the first perforating pins.

REFERENCES:
patent: 2773285 (1956-12-01), Piazze et al.
patent: 3481461 (1969-12-01), Paxton

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