EASY-TO-STRAIGHT-TEAR PLASTIC FILM, AND ITS PRODUCTION METHOD AND APPARATUS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 18, 2010
app pub date -
Apr 2, 2008
filing date -
Apr 2, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus for producing a long, easy-to-straight-tear plastic film having large numbers of substantially parallel half-cut lines extending in a transverse direction on at least one surface, comprising (a) a roll having at least one cam axially extending on a circular surface of said roll, and (b) a cutter arranged in parallel to said roll with a gap narrower than the thickness of said plastic film, the rotation of said roll causing said cam to intermittently push said plastic film to said cutter to form half-cut lines on said plastic film.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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