Envelope with pouch and method of manufacture thereof

Details Envelope with pouch and method of manufacture thereof Envelope with pouch and method of manufacture thereof

1985-02-21

1987-03-10

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493216, 493347, 493920, 383 40, 229 72, B31B 4110

Patent

active

046488600

ABSTRACT:
A method of producing an envelope having an integrally formed external pouch on one side for accommodating a despatch note, waybill or the like, comprises the steps of longitudinally folding a sheet of plastics material from a first reel and transporting the folded plastics sheet to a downstream sealing station while simultaneously feeding a strip of sheet plastics to overlie the folded plastics of the first reel to be transported therewith, and sealing folded plastics to form the envelope while simultaneously applying the same process to the strip plastics, to form the pouch on one wall of the envelope.

REFERENCES:
patent: 3424636 (1969-01-01), Brody
patent: 3472129 (1969-10-01), Alexandrov
patent: 3680768 (1972-08-01), Warren
patent: 3906844 (1975-09-01), Govgeon
patent: 3998135 (1976-12-01), Sargent
patent: 4192447 (1980-03-01), Ambrostat et al.

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