Machine for the production of packaging wrappers

Details Machine for the production of packaging wrappers Machine for the production of packaging wrappers

1978-12-27

1981-05-19

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493254, 493264, 493366, 493946, 409138, B31B 2114

Patent

active

042682614

ABSTRACT:
Disclosed is an apparatus and method for the continuous production of packaging wrappers from cut blanks of flat material. A flap-like portion of the blank material is abraded in a particular fashion to produce an area which upon folding and gluing provides a bonded joint having a thickness in the area of the bonding essentially equal to the thickness of the flat material of the wrapper. The packaging wrapper produced possesses an interior surface completely void of protrusions or uneven areas and an overall wrapper of even thickness throughout.

REFERENCES:
patent: 3362294 (1968-01-01), Oxel
patent: 3432375 (1969-03-01), Rein
patent: 3495507 (1970-02-01), Haas et al.
patent: 3599531 (1971-08-01), Wright et al.
patent: 3604317 (1971-09-01), Baun
patent: 3789731 (1974-02-01), Loy
patent: 3908524 (1975-09-01), Shore

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