Title:
防煙用防護装置
Document Type and Number:
Japanese Patent JP4234025
Kind Code:
B2
Abstract:
To provide a smoke protector, more compact-sized and reducing the cost.
This smoke protector includes: a protector body 1; a telescope-type nozzle 2 extended from the protector body 1; and an opening and closing valve 3 disposed at the tip of the telescope type nozzle 2.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Naoki Mizukami
Eiichi Maebashi
Eiichi Maebashi
Application Number:
JP2004016817A
Publication Date:
March 04, 2009
Filing Date:
January 26, 2004
Export Citation:
Assignee:
Railway Technical Research Institute
International Classes:
A62B18/02; A62B18/08; A62B18/10
Domestic Patent References:
| JP62155864U | ||||
| JP6064656U | ||||
| JP3057104U | ||||
| JP4092679A | ||||
| JP59008344U | ||||
| JP8066485A | ||||
| JP4027951U | ||||
| JP51126996U | ||||
| JP2005095530A | ||||
| JP58064353U | ||||
| JP1157761U | ||||
| JP10165525A | ||||
| JP5062268U | ||||
| JP62084460U |
Attorney, Agent or Firm:
Mamoru Shimizu
Makoto Kawai
Makoto Kawai