Title:
FILTER HOLDER FOR ILLUMINATION AND STAGE DIRECTION LUMINAIRE
Document Type and Number:
Japanese Patent JP2004362941
Kind Code:
A
Abstract:
To provide a filter holder for illumination made of light-weighted flame-retardant paper which is safe even if fallen down, and to provide a stage direction luminaire.
A binder-shaped holder main body, pinching a filter for transmitting lamp light and directing color in exposure at an opening located at the central part, is formed by impregnating aluminum hydroxide in a pulp by 40 to 70 wt.%. By the above, the filter holder for illumination, fulfilling the flame-retardant property and illumination filter detachability, with little danger at fall-down due to light-weight, is obtained.
Inventors:
ONUMA YUICHI
SAITO YOSHIHIRO
ADACHI MACHIO
SAITO YOSHIHIRO
ADACHI MACHIO
Application Number:
JP2003159978A
Publication Date:
December 24, 2004
Filing Date:
June 04, 2003
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
HOKUETSU PAPER MILLS
ADACHI SHIKI KOGYO KK
TOSHIBA SHOMEI SYSTEM KK
HOKUETSU PAPER MILLS
ADACHI SHIKI KOGYO KK
TOSHIBA SHOMEI SYSTEM KK
International Classes:
F21S10/00; F21W131/406; F21Y101/00; (IPC1-7): F21S10/00
Attorney, Agent or Firm:
Mitani Megumi