Thermostatic expansible material-working element

Details Thermostatic expansible material-working element Thermostatic expansible material-working element

1974-12-30

1976-07-13

Swisher, S. Clement

Measuring and testing

Gas analysis

Moisture content or vapor pressure

60527, 733683, G01K 548

Patent

active

039686922

ABSTRACT:
A thermostatic expansible material-working element with a housing filled with the material and a pin-shaped work piston which is pointed at one end. The work piston with its pointed end extends through an opening in the housing into the internal compartment thereof and upon thermal expansion of the expansible material such piston is displaced out of the housing. According to the invention the expansible material is a molded body predominantly formed of polytetrafluoroethylene, polytrifluoroethylene or polytetrafluoroethyleneperfluoropropylene.

REFERENCES:
patent: 3075348 (1963-01-01), Baker
patent: 3540479 (1970-11-01), Thompson

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