Measuring and testing – Volumetric content measuring
Patent
1979-06-29
1981-03-31
Ruehl, Charles A.
Measuring and testing
Volumetric content measuring
73DIG4, 310338, G01L 116
Patent
active
042585651
ABSTRACT:
A force detector for detecting a force directly as a stress is disclosed which includes a piezoelectric unit for detecting a stress, a vessel for housing the piezoelectric unit, and a seal member for sealing the piezoelectric unit firmly and integrally in the vessel.
REFERENCES:
patent: 3031591 (1962-04-01), Cary et al.
patent: 3239696 (1966-03-01), Burkhalter et al.
patent: 3341797 (1967-09-01), Watson
patent: 3365689 (1968-01-01), Kutsay
patent: 3717039 (1973-02-01), Zinker
patent: 4127788 (1978-11-01), Daugherty
Aga Toshio
Ando Tetsuo
Ito Ichizo
Sawayama Takehiro
Ruehl Charles A.
Yokogawa Electric Works, Ltd.
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