Manufacturing of kraft paper
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 3, 1988
Issued Date -
N/A
app pub date -
Feb 21, 1986
filing date -
Mar 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for manufacturing of kraft paper, especially kraft sack paper, on a multi-wire machine in which the web is dried by a combined cylinder drying and free drying and is optionally creped or micro-creped and optionally also glazed. By forming the web into two or more layers which are couched together in the wire part of the machine and subsequent shrinkage in order to obtain a stretch at break of at least 2.5% in the machine direction and of at least 5% in the tranverse direction, improved strength properties are provided.
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