METHOD OF PRODUCING VACUUM PACKAGING FILM HAVING AIR CHANNEL AND METHOD OF PRODUCING VACUUM PACKAGING BAG USING THE FILM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Feb 21, 2008
app pub date -
Aug 17, 2007
filing date -
Aug 21, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method of producing a vacuum packaging film that has one or more air channels includes longitudinally cutting a sheet to form one or more channels by using a plurality of ring knives that are arranged at intervals from each other. A border sheet is provided while an exhaustion sheet is removed. The border sheet is layered on a side of a supply film. The border sheet and the supply film are provided to a layering roller. The border sheet and the supply film are laminated by using the layering roller to form a border part of the air channel.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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