Title:
SHEET STRUCTURE OF SHEET-SHAPED FIRE SHUTTER
Document Type and Number:
Japanese Patent JP3799491
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent formation of a clearance between overlapping portions at an escape opening, as much as possible.
SOLUTION: A sheet-shaped fire shutter has a door sheet 4 which can be freely opened and closed relative to a body sheet 5. Vertically-extending long- size smoke blocking sheets 11a and 11b each having a short width are each attached at one widthwise end to at least one of the opposing surfaces of the door sheet 4 and the body sheet 5. Airtight spacers 12a and 12b are interposed between the smoke blocking sheets 11a and 11b and the surface on which the smoke blocking sheets are mounted.
Inventors:
Akira Mitsuda
Toshio Gomi
Toshio Gomi
Application Number:
JP2000335346A
Publication Date:
July 19, 2006
Filing Date:
November 02, 2000
Export Citation:
Assignee:
Sanwa Shutter Corporation
International Classes:
E06B9/02; E06B9/17; A62C2/06; E06B9/13; (IPC1-7): E06B9/17; A62C2/06; E06B9/02; E06B9/13
Domestic Patent References:
| JP9268864A | ||||
| JP6083807U |
Attorney, Agent or Firm:
Shigeru Inaba
Shoji Inaba
Shoji Inaba