Title:
TREADBOARD FOR SOUNDPROOF STAIRCASE AND SOUNDPROOF STAIRCASE STRUCTURE USING THE SAME
Document Type and Number:
Japanese Patent JP2010084342
Kind Code:
A
Abstract:
To obtain a staircase S which reduces a heavy-weight floor impact sound.
In a treadboard 3, a reinforcing material 15, which is elongated in the length direction of a treadboard body 4, which is shorter than the treadboard body 4 and the length-direction end of which is not brought into contact with stringers 1 and 1 in construction, is integrally fixed on the backside of the treadboard body 4.
Inventors:
MORI NORIMICHI
KOMAKURA MASAKAZU
KOMAKURA MASAKAZU
Application Number:
JP2008251694A
Publication Date:
April 15, 2010
Filing Date:
September 29, 2008
Export Citation:
Assignee:
DAIKEN CORP
International Classes:
E04F11/17; E04B1/82; E04F11/02
Domestic Patent References:
| JP2007154511A | 2007-06-21 | |||
| JP2001098731A | 2001-04-10 | |||
| JP2000129879A | 2000-05-09 |
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
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