Continuous strip of sealed envelopes with inner documents

Details Continuous strip of sealed envelopes with inner documents Continuous strip of sealed envelopes with inner documents

1978-01-19

1980-10-28

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Envelope

Series

282 115A, B65D 2710

Patent

active

042302625

ABSTRACT:
A complex continuous strip folded accordion-wise of which each flap constitutes a correspondence envelope obtained by lateral adhesion of continuous sheets, namely an upper sheet to constitute the wall of the face of successive envelopes, a lower sheet to constitute the back wall of said envelope and, if necessary, intermediate sheets to constitute inner documents. These intermediate sheets are made fast together and to the upper and lower sheets by gluing over the whole periphery of each of the unit covers or including transverse cutouts permitting gluing at the head and at the foot of the walls of each unit envelope. The strip is provided on each of its lateral sides with drive perforations situated on a marginal zone and, if necessary covered by a check strip to be removed before the unitization of the envelope. The structure of the sheets is such that one at least of the inner documents is noticeable from the outside of the sealed envelopes of the strip in order to detect its presence and if necessary its nature.

REFERENCES:
patent: 1126411 (1915-01-01), D'Arey
patent: 3104799 (1963-09-01), Steidinger
patent: 3325188 (1967-06-01), Hiersteiner
patent: 3554438 (1971-01-01), Van Malderghem
patent: 3608816 (1971-09-01), Neubauer
patent: 4010889 (1977-03-01), Allen et al.

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