Title:
METALLIC CONTAINER EQUIPPED WITH HOLOGRAM OR DIFFRACTION GRATING
Document Type and Number:
WIPO Patent Application WO/1991/008525
Kind Code:
A1
Abstract:
A metallic container equipped at least part thereof with a relief type hologram or relief type diffraction grating which is formed by coining. Since such a hologram or diffraction grating is formed by coining, their dimensional precision and reproducibility can be improved remarkably. A metallic container equipped with the hologram formed thereon is excellent in design and a metallic container equipped with the diffraction grating can detect easily the change of its internal pressure by utilizing its diffraction grating.
Inventors:
TAKENOUCHI KEN (JP)
KUROSAWA KAZUYUKI (JP)
HORIGUCHI MAKOTO (JP)
IMATANI TSUNEO (JP)
KURASHIMA HIDEO (JP)
KUROSAWA KAZUYUKI (JP)
HORIGUCHI MAKOTO (JP)
IMATANI TSUNEO (JP)
KURASHIMA HIDEO (JP)
Application Number:
PCT/JP1990/001548
Publication Date:
June 13, 1991
Filing Date:
November 28, 1990
Export Citation:
Assignee:
TOYO SEIKAN KAISHA LTD (JP)
International Classes:
B65D79/00; G01B11/16; G01M3/32; G03H1/02; (IPC1-7): G01B11/16; G01L9/00; G03H1/18; G03H1/20
Foreign References:
| JPS5865466A | 1983-04-19 | |||
| JPS62173766U | 1987-11-05 | |||
| JPS58120105A | 1983-07-16 | |||
| JPS517063B1 | 1976-03-04 | |||
| JPS6264426A | 1987-03-23 |
Attorney, Agent or Firm:
Suzuki, Ikuo (Atagoyama Bengoshi Bldg. 6-7, Atago 1-chom, Minato-ku Tokyo 105, JP)
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