Package making – Means to open or erect receptacle – Means to open envelope
Patent
1994-01-07
1996-01-30
Coan, James F.
Package making
Means to open or erect receptacle
Means to open envelope
533815, B65B 4338
Patent
active
054872545
ABSTRACT:
An envelope opening apparatus is provided which conveys envelopes with envelope flap fold lines parallel to the direction of conveyance toward distortion means and restraining means in the path of conveyance which distortion means partially opens the envelope, and which envelope is further conveyed to a device which completes the opening of the envelope in preparation for inserting material into the envelope.
REFERENCES:
patent: 3474711 (1969-10-01), Swinyar
patent: 3935800 (1976-02-01), Sette et al.
patent: 3974749 (1976-08-01), Luperti et al.
patent: 5112291 (1992-05-01), VerMehren
patent: 5156585 (1992-10-01), Dimur et al.
Coan James F.
Gealow Jon Carl
Printed Forms Equipment Limited
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