Method and system for making a stepped end
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 17, 2013
Grant Date -
Oct 27, 2011
app pub date -
Jan 28, 2011
filing date -
Apr 22, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for making a stepped end on a tube of flexible material includes a tube slitting station having a slitting tool with double edge slitting blades penetrating through the tube to provide respective slits beside a first panel and beside a second panel, respectively; a first trimming station trimming a first panel of the tube to a first shortened length, a second trimming station trimming the side gussets to a second length, wherein the second length is longer than the first shortened length of the first panel; and an adhesive applying station applying adhesive on the tube above and below a fold line across the tube, wherein the tube is adapted to be folded along the fold line, and the adhesive material is adapted to form an adhesive to adhesive seal above and below the fold line while the tube is folded to provide a closed stepped end for a bag.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully