Package making – With contents treating – Reshaping
Reexamination Certificate
2003-09-26
2009-02-24
Kim, Sang (Department: 3654)
Package making
With contents treating
Reshaping
C053S117000, C053S118000, C053S591000, C242S530100, C242S530200
Reexamination Certificate
active
07493740
ABSTRACT:
An apparatus for taking up imbricated bags carried by a pair of carrier tapes includes two carrier tape winding spools positioned coaxially with one another; and a differential gear unit positioned between said spools and adapted to be removably connectable to a shaft of a bag loader whereby the pair of carrier tapes can be wound up on said spools with equal tension. A method includes providing a bag train having a succession of imbricated bags on two supply tapes having lead ends equipped with two tape-winding spools with a differential gear unit positioned coaxially between the spools; connecting the differential gear unit to a shaft of said bag loader; and driving said spools to wind up said tapes on said spools with equal tension to bring each of the imbricated bags successively to a loading position where each bag is loaded and separated from the tapes.
REFERENCES:
patent: 3406592 (1968-10-01), Von Kaler
patent: 3587843 (1971-06-01), Wing
patent: 3698547 (1972-10-01), Roberts et al.
patent: 4032038 (1977-06-01), Hendricks et al.
patent: 4693372 (1987-09-01), O'Neill
patent: 4753322 (1988-06-01), Yasuda
patent: 4796412 (1989-01-01), O'Neill
patent: 2 064 477 (1981-09-01), None
Cryovac Inc.
Kim Sang
Quatt Mark B.
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