Bourdon spiral assembly
United States Patent 3232116
US Patent References:
/0745636.html
- - 0745636

Pressure-gage
- - 1345630

Temperature-responsive instrument
- - 1521343

Bourdon tube
- - 1714988

Method of making bourdon tubes
- - 1714989


Inventors:
Perkins, Charles H.
Publication Date:
02/01/1966
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Assignee:
ROBERTSHAW CONTROLS CO
Primary Class:
73/743
International Classes:
G01L7/04; G01L7/02
US Patent References:
2477242Method of making bourdon tube instruments
2478031Manufacture of bourdon instruments
2495314Bourdon spring and load element
Foreign References:
DE838657C