Packaging container opening formation device for a packing machi

Details Packaging container opening formation device for a packing machi Packaging container opening formation device for a packing machi

1989-11-29

1991-11-26

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

156252, 156253, 2291031, 2291232, 22912515, B32B 3118

Patent

active

050680056

ABSTRACT:
A device for forming webs used for packaging containers with and without a pull-tab including, along the conveyance path of a web conveyed at a constant interval, a punch hole opening section for opening liquid-outlets, a strip tape pasting section which closes punch holes opened on a web with a wide strip tape or pastes narrow strip tape on a web having no punch holes, and a pull-tab pasting section having a pull-tab tape cutting and heating depositing member which cuts and heat-deposits a pull-tab on the web provided on the punch holes. Either a wide strip tape or a narrow strip tape is selectively supplied to the strip tape pasting section, and a pull-tab tape is supplied to the pull-tab pasting section. The punch hole opening section and the pull-tab pasting section can be inactivated. Thus, containers with and without a pull-tab can be manufactured by a single web forming device.

REFERENCES:
patent: 3336845 (1967-08-01), Lepisto et al.
patent: 3676251 (1972-07-01), Yang et al.
patent: 4223789 (1980-09-01), Reil
patent: 4312450 (1982-01-01), Reil
patent: 4653250 (1987-03-01), Nakamura
patent: 4792069 (1988-12-01), Nantin et al.
patent: 4840270 (1989-06-01), Caputo et al.
patent: 4858766 (1989-08-01), Tsai

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