Patent JPS522453A successfully refreshed from Google Patents.
JPS522453A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method and apparatus for measuring the radius of curvature of concave curved surface
Assignee: NSK Ltd
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Filing: 1975-06-24
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Granted: —
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Expires: 1995-06-24
Abstract
Abstract PURPOSE: To enable accurate and efficient measurement of radius of curvature by causing automatic center-seeking of the measurement object and measurement of the radius of curvature of the concave surface with utility of air pressure. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Hirozo Tsugawa
- 👤 Teruo Honjo
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-08 11:13
CPC Classifications
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