Title:
EXTENSIBLE AIR DUCT
Document Type and Number:
Japanese Patent JP2004308111
Kind Code:
A
Abstract:
To provide an extensible air duct capable of preferably preventing choking due to deformation of the air duct when feeding air into the air duct.
The extending air duct 1 has an extensible air duct body 2 with flexibility. The air duct body 2 is provided with a flexible air duct 3 having flexibility and mutual flexible air ducts are connected to each other by an undeformable connective pipe 4.
Inventors:
SATO MASAAKI
DOI SHIGETAKA
HONDA JIYUNKOU
DOI SHIGETAKA
HONDA JIYUNKOU
Application Number:
JP2003098556A
Publication Date:
November 04, 2004
Filing Date:
April 01, 2003
Export Citation:
Assignee:
KAJIMA CORP
International Classes:
E21F1/06; F16L11/04; F24F13/02; (IPC1-7): E21F1/06; F16L11/04; F24F13/02
Domestic Patent References:
| JP2004116793A | 2004-04-15 | |||
| JPH10205866A | 1998-08-04 | |||
| JPS6096497U | 1985-07-01 | |||
| JPS4983917A | 1974-08-13 | |||
| JP2003301699A | 2003-10-24 | |||
| JP2004052529A | 2004-02-19 | |||
| JPH03158600A | 1991-07-08 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Tomoya Kurokawa
Hikaru Suzuki
Shiro Terasaki
Tomoya Kurokawa
Hikaru Suzuki
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