Title:
SOUND-ABSORBING DUCT UTILIZING STAIRHALL
Document Type and Number:
Japanese Patent JP2003082830
Kind Code:
A
Abstract:
To provide a sound-absorbing duct utilizing a stairhall in which an installation space in a house is miniaturized.
The sound-absorbing ducts 10 in which duct-shaped ventilation flues 11 continued towards upper and lower floors are installed while silencers are mounted in the ventilation flues 11 are secured on the rears of the stairs 90 of the stairhall 80 set up to the house.
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Inventors:
SASE TOSHIJI
MATSUDA MICHIAKI
ISHIWATARI TAKAYUKI
KAWAHARA KAZUYUKI
MATSUDA MICHIAKI
ISHIWATARI TAKAYUKI
KAWAHARA KAZUYUKI
Application Number:
JP2001277828A
Publication Date:
March 19, 2003
Filing Date:
September 13, 2001
Export Citation:
Assignee:
EBARA CORP
International Classes:
E04F11/02; E04F17/04; G10K11/16; (IPC1-7): E04F11/02; E04F17/04; G10K11/16
Attorney, Agent or Firm:
Takashi Kumagai (1 outside)