Partition passage and method of installing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 11, 2003
Grant Date -
May 24, 2001
app pub date -
Apr 2, 1999
filing date -
Apr 17, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seal structure for sealing between a through hole and a conduit located in the through hole. The seal structure includes a conduit located in the through hole and a foaming material. A wire is inserted in the conduit. The foaming material is located between the outer surface of the conduit and the inner surface of the through hole. The foaming material expands when heated and seals the space between the outer surface of the conduit and the inner surface of the through hole. Both ends of the conduit are sealed with a fireproof material between the inner surface of the conduit and the outer surface of the wire.
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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