Envelope flap sealing device

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Envelope sealing type

Patent

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Details

1564415, 1564422, 156578, B43M 500, B43M 504

Patent

active

057700052

ABSTRACT:
A housing confines therewithin a saturated sponge, the same disposed for moistening the flap of an envelope. Too, the housing has a entry slot for an envelope, and a switch, with an operating sensor or limb which detects the entry of an envelope into the housing, for the purpose of rotating rollers which (a) move the envelope from the entry slot to an exit, and (b) cause the flap to wipe across the sponge and seal against the body of the envelope.

REFERENCES:
patent: 1090771 (1914-03-01), White
patent: 1176072 (1916-03-01), McDade
patent: 1799820 (1931-04-01), Keiser
patent: 4428794 (1984-01-01), Hayskar et al.
patent: 4834699 (1989-05-01), Martin
patent: 4950349 (1990-08-01), Ferreol-Ragotin
patent: 5133828 (1992-07-01), Jacques
patent: 5192389 (1993-03-01), Martin
patent: 5217551 (1993-06-01), Nobile et al.
patent: 5489358 (1996-02-01), Miciukiewicz

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