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Patent Searching and Data


Title:
SHADING MATERIAL FOR CAMERA AND METHOD FOR PRODUCING SAME
Document Type and Number:
Japanese Patent JP2001109108
Kind Code:
A
Abstract:

To improve the blackness of urethane foam while preventing the lowering of its strength and to obtain a shading material for a camera made of urethane foam excellent in shading properties.

The shading material 1 for a camera is formed of urethane foam and has the skeleton part 2 of the urethane foam and a black layer 3. The skeleton part 2 forms cavity parts 4 comprising communicated bubbles. The black layer 3 is formed on the surface of the skeleton part 2, comprises a coating material containing at least one black pigment selected from graphite and carbon black and a binder and has 1-25 μm thickness.


Inventors:
MURATA KATSUHIRO
OKURA TADAO
Application Number:
JP28428399A
Publication Date:
April 20, 2001
Filing Date:
October 05, 1999
Export Citation:
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Assignee:
NIPPON GRAPHITE IND LTD
International Classes:
G03C3/00; G02B7/02; G03B17/02; (IPC1-7): G03C3/00; G02B7/02
Attorney, Agent or Firm:
Akihide Sugimura (2 outside)