Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Patent
1979-03-21
1982-06-01
Hoag, W. E.
Measuring and testing
Liquid level or depth gauge
Immersible electrode type
156 52, 156285, 264102, 264249, 264313, 264DIG78, 324 61P, 324 65P, 340620, 361284, B29C 2730, B29D 300, G01F 2326
Patent
active
043321674
ABSTRACT:
An RF probe and method for making same including laminating sheets of thermoplastic insulation to both sides of a layer of wire screen which is evacuated and pressure thereafter applied by fluid pressure acting on a diaphragm pressing member.
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Anon. Mod. Plastics Encyclopedia (1976-1977), pp. 460-461.
Maltby Frederick L.
Sun Robert J.
Drexelbrook Controls, Inc.
Hoag W. E.
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