Envelope-flap sealing device

Details Envelope-flap sealing device Envelope-flap sealing device

1994-10-14

1995-11-14

Engel, James

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Envelope sealing type

1564421, 1564423, 156578, B32B 3100

Patent

active

054663270

ABSTRACT:
A flexible leaf causes the gummed flap of an envelope to enter a chamber in which a moistening element is exposed. In addition, a pivoted and spring-biased element yields upon engagement of the envelope spine therewith. Further movement of the envelope wipes the flap across the moistening element, and the spring-biased element presses the moistened flap against the body of the envelope.

REFERENCES:
patent: 1194693 (1916-08-01), Allen
patent: 2121166 (1938-06-01), Flynt
patent: 2749689 (1956-06-01), Colley
patent: 4643123 (1987-02-01), Auerbach

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