Flexible tubular structures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 30, 1997
Grant Date -
N/A
app pub date -
Jun 10, 1994
filing date -
Dec 14, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flexible tubular structure for use in the lining of passageways and methods relating thereto are described. The tubular structure is made of a laminate which comprises a film layer, made by melting and mixing ethylene-vinyl acetate copolymer (EVA) and polyethylene, and a felt layer. In a butt join region of the structure, a felt strip and polyethylene/EVA strip are heat welded for strength.
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