Method for lining a tubular conduit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 15, 2000
Grant Date -
N/A
app pub date -
Jun 5, 1997
filing date -
Jun 6, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for lining an underground sewer pipe: (a) preparing a tubular liner made of a tubular fabric layer soaked with a thermosetting liquid resin and two layers of airtight film with which inner and outer walls of the fabric layer are covered; (b) inserting the liner assembly into the tubular conduit from the front end by pulling the front end with a rope; (c) inflating the tubular liner assembly after closing the front and the rear ends thereof; (d) heating the thermosetting resin to thereby harden the fabric layer of the liner assembly; and (e) removing those portions of the tubular liner assembly which do not partake in lining the tubular conduit.
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