Process for producing composite reticular structures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 17, 1984
Issued Date -
N/A
app pub date -
Oct 1, 1981
filing date -
May 18, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There are disclosed a process for the continuous production of open, composite reticulated structures consisting of at least two superimposed or overlapping fibrilled films of synthetic polymers, and apparatus for effecting the transversal opening or stretching (with respect to the slitting or fibrilling direction) of a fibrilled film or of a combination of at least two superimposed fibrilled films and which comprises a feeding system for the fibrilled film, a pair of diverging guides each closing upon itself in the form of a ring for transverse stretching of the film, a series of clamps sliding on guides for gripping the edges of the film or film assembly, means for feeding the clamps to the guides, a series of two pulling means for engaging the clamps, means for opening the clamps and dragging them along the guides to the feeding devices, and means for take-up of the open film or the assembly of open films.
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