Joint between a landing door and wall structures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 1, 1996
Grant Date -
N/A
app pub date -
Mar 28, 1994
filing date -
Mar 30, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a system for joining the frame of a landing door (7) of an elevator to the wall structure (4) surrounding the frame, in such a way that the elevator shaft (5) is isolated from the rest of the space in the building. According to the invention, a heat-resistant protective element (9) flexible in normal temperature and at least in a temperature of 500.degree. is fitted between the frame (8) and the wall structure (4), said element being attached to the door frame (8) and to the shaft wall structure (4).
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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