Opening reinforcement for aerostat envelope
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 28, 2002
Grant Date -
Jun 28, 2001
app pub date -
Dec 22, 2000
filing date -
Jun 26, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An aperture-reinforcing device for flexible envelopes which are intended to be tensioned, and in particular for aerostat envelopes, includes adjacent first and second annular members. The envelope is passed successively over the inside parts of the surfaces of the first and second annular members, then the outside part of the surface of the second annular member, and then again over the inside part of the surface of the first annular member, between itself and that part.
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