Title:
MEASURING INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2002/052219
Kind Code:
A1
Abstract:
A measuring instrument used for measuring inside dimensions, which is made of stainless steel or other metal material or material resistant to slide friction by machining it into a shape having at least a portion of a selection formed by cutting a cone by a plane passing through the shortest generatrix of the cone and through the center of the bottom surface of the cone and at least a portion of the conic surface,or which is made of a metal powder by forming it into a shape having at least a section formed by cutting a cone by a plane passing through the shortest generatrix of the cone and through the center of the bottom surface of the cone and at least a portion of the conic surface.
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Inventors:
MUROZAKI OSAMU (JP)
Application Number:
PCT/JP2001/011328
Publication Date:
July 04, 2002
Filing Date:
December 25, 2001
Export Citation:
Assignee:
MUROZAKI OSAMU (JP)
International Classes:
G01B3/20; (IPC1-7): G01B3/20
Foreign References:
| JPH0239103U | 1990-03-15 | |||
| JPH07110230A | 1995-04-25 |
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