Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to work material – the product or means engaging...
Patent
1978-10-12
1980-11-11
Baldwin, Robert D.
Manufacturing container or tube from paper; or other manufacturi
Control means energized in response to activator stimulated...
Responsive to work material, the product or means engaging...
83268, 493250, 493266, B31B 120
Patent
active
042325927
ABSTRACT:
A machine for forming envelopes from blanks comprising a scoring means for receiving said blanks and adding score lines thereto, means for receiving said blanks from said scoring roller and applying glue to selected first locations thereon, means receiving said blanks with applied glue and folding said blanks to cause a seal at said glue locations, means for receiving said folded blanks and inverting said blanks whereby a first portion of said blanks is stationary while said blanks are being inverted, means located at said blank inversion means for forming a desired shape in said stationary portion of said blanks while said blanks are being inverted and means for receiving said formed blanks for gluing and folding said blanks to form completed envelopes.
REFERENCES:
patent: 2651283 (1953-09-01), Zinn
patent: 3600998 (1971-08-01), Palmer
patent: 3745894 (1973-07-01), Helm
patent: 3869965 (1975-03-01), Howatt
Baldwin Robert D.
Champion International Corporation
Sommer Evelyn M.
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