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SIGMA INSTR CO Ltd
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SIGMA INSTR CO Ltd
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Application filed by SIGMA INSTR CO LtdfiledCriticalSIGMA INSTR CO Ltd
Application grantedgrantedCritical
Publication of FR927585ApublicationCriticalpatent/FR927585A/fr
G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B3/00—Measuring instruments characterised by the use of mechanical techniques
G01B3/38—Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable
G01B3/42—Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable of limit-gauge type, i.e. "go/no-go"
G01B3/44—Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable of limit-gauge type, i.e. "go/no-go" preadjustable for wear or tolerance
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR927585D1945-12-211946-06-03Perfectionnements aux appareils calibreurs et indicateurs
ExpiredFR927585A
(fr)