Title:
防火戸及び防火戸の枠
Document Type and Number:
Japanese Patent JP5775878
Kind Code:
B2
Abstract:
Provided are a fireproof door and a fireproof door frame. The fireproof door includes a water receiving part, a groove, a water expansion substance, an intake port, and a plurality of supply holes. The water receiving part holds water therein. The groove is formed along an edge of the fireproof door. The water expansion substance is inserted into the groove along the edge and expands when absorbing water to seal a gap between a door frame and the fireproof door. The intake port is disposed at a lower portion to supply water into the water receiving part. The plurality of supply holes is disposed along the groove between the water receiving part and the water expansion substance to supply water held in the water receiving part through the intake port to the water expansion substance.
Inventors:
PARK, Gap Hwan
Application Number:
JP2012544378A
Publication Date:
September 09, 2015
Filing Date:
December 14, 2010
Export Citation:
Assignee:
PARK, Gap Hwan
International Classes:
E06B5/16
Domestic Patent References:
| JP200073469A | ||||
| JP383558U | ||||
| JP2005194852A | ||||
| JP2003527174A |
Attorney, Agent or Firm:
sk patent corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito
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