Fireproof and soundproof door
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 25, 1986
Grant Date -
N/A
app pub date -
Jan 20, 1984
filing date -
Jan 20, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a door or the like having spaced-apart planar side panel members and baffle means intermediate the members, the baffle means comprises an elongated planar member secured to and extending from the respective side panel members such that the planar members lie in spaced parallel relation one to another and extend toward one another in overlapping arrangement and the free ends of the planar members terminate in spaced relation with the panel members. The improvement comprises the filler means intermediate the free ends and panel members whereby to provide a partially sealed cavity between the planar members. Also disclosed is a method of preventing or limiting deformation of a door panel when located adjacent fire in turn preventing or limiting deformation of the door edges affecting securement of the door.
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