Apparatus and method for forming at least one fold line in a sub

Details Apparatus and method for forming at least one fold line in a sub Apparatus and method for forming at least one fold line in a sub

1988-11-01

1990-08-07

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

264280, 264293, 425385, 425383, 156219, 156252, 156299, 156553, 156555, 156556, 493 63, 493 67, 493131, 493 93, 493 94, 493 95, 493 96, 493 97, 493348, 493355, 493403, 493905, B31B 125, B31B 162, B31B 182, B31B 188

Patent

active

049464302

ABSTRACT:
An apparatus and associated method for embossing at least one fold line in a substantially rigid plastic material for use in collapsible folding box with angle windows is disclosed, and the apparatus has a roll of plastic material, a heating zone for heating a length of the roll fed plastic material, an embossing zone located downstream of the heating zone for forming at least one fold line in the heated plastic material, a punching zone for intermittently forming cutout portions in the plastic material, a takeup device for creating a variable length slack in the plastic material for providing the continuous movement of the plastic material through the heating zone and the embossing zone and the intermittent movement of the plastic material through the punching zone, a cross-cutter to cut the plastic material at the punched holes, a suction roll to convey the cut plastic material for connection to a glue-coated cardboard box blank.

REFERENCES:
patent: 3199670 (1965-08-01), Palmer
patent: 3292513 (1966-12-01), Palmer
patent: 3379814 (1968-04-01), Bracey, Jr.
patent: 4179252 (1979-12-01), Seufert
patent: 4211743 (1980-07-01), Nauta et al.
patent: 4460431 (1984-07-01), Keller et al.
patent: 4547141 (1985-10-01), Ruschmann
patent: 4664648 (1987-06-01), Dupuy
patent: 4713046 (1987-12-01), Dupuy

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