Title:
VENTILATION SLEEVE
Document Type and Number:
Japanese Patent JP2012102964
Kind Code:
A
Abstract:
To provide a ventilation sleeve capable of improving the efficiency of construction and maintenance performance.
The ventilation sleeve 2 wherein a ventilation passage communicating with an indoor side and outdoor side is formed and is constructed on a wall 1 of a building is composed of a cylindrical sleeve part 3 provided with a flange 3a on one end and a second flange 4 fitted and inserted into the sleep part 3. The sleeve part 3 has a plurality of projections 3b on the outer circumferential surface vertically and regularly arranged in the axial direction protruding toward outside. The second flange 4 has a projection 4a protruding toward inside to engage with the projection 3b of the sleeve part.
More Like This:
| JPS5782631 | VENT HEATER AND HEAT SENSOR UNIT |
| JPS5216845 | VENTILATING DEVICE |
Inventors:
ARAI HIROSHI
Application Number:
JP2010253444A
Publication Date:
May 31, 2012
Filing Date:
November 12, 2010
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
F24F7/04; F16L5/00; F24F7/10
Domestic Patent References:
| JPH11230426A | 1999-08-27 | |||
| JPH0933082A | 1997-02-07 | |||
| JP2004218795A | 2004-08-05 | |||
| JP2010127321A | 2010-06-10 |
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii