Back seal support for vertical form, fill and seal machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 23, 1999
Grant Date -
N/A
app pub date -
May 4, 1998
filing date -
May 4, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for use in a vertical form, fill and seal machine to protect the longitudinal back seal. A pair of clamps retains the plastic film against the forming tube on either side of the back seal and on either side of a sealing platen if the platen is used for forming the back seal. The clamps extend for at least the length of the platen, and the clamps are operated together in unison.
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