Apparatus for sealing envelopes

Details Apparatus for sealing envelopes Apparatus for sealing envelopes

1982-08-04

1984-01-31

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Envelope sealing type

53376, 53383, 156227, 1564422, 156578, B65B 1148

Patent

active

044287941

ABSTRACT:
Envelope sealing apparatus employing a deflector to deflect the leading envelope flap out of the normal path through which the envelope moves and into contact with a reversely moving water wheel which wets the flap to activate adhesive thereon. The inherent rigidity of the envelope proper is relied on to thereafter force the deflector aside, permitting the envelope proper to pass the water wheel without contacting the same. As the envelope continues along the path, a diverter causes the deflected envelope flap to curl under and as the envelope passes thereby, forces in cooperation with the water wheel the envelope flap into closing relationship with the envelope. A downstream sealing roller completes closing and sealing of the envelope.

REFERENCES:
patent: 1043053 (1912-10-01), Wakefield
patent: 1165001 (1915-12-01), Dunlap
patent: 1195310 (1916-08-01), White et al.
patent: 1446256 (1923-02-01), Lane et al.
patent: 2749689 (1956-01-01), Colley
patent: 2855894 (1958-10-01), White et al.
patent: 3550351 (1970-12-01), Gombault
patent: 4004962 (1977-01-01), Kleid
patent: 4228996 (1980-10-01), Wilcox, Jr.

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