Electrical heat sensing element, and method of its manufacture,

Details Electrical heat sensing element, and method of its manufacture, Electrical heat sensing element, and method of its manufacture,

1977-12-29

1979-05-22

Sebastian, Leland A.

Batteries: thermoelectric and photoelectric

Thermoelectric

Including a pilot burner

29573, 72258, 136230, 136232, 136236R, 431 80, H01L 3528

Patent

active

041557760

ABSTRACT:
The materials forming the inner and outer conductors of the tip of a safety thermoelement are assembled in disk form, stacked above each other, preferably bonded together, for example by soldering, brazing, welding or the like. The disks are then extruded through an extrusion die which shapes the assembly of the disks into a pin or rodlike inner conductor, surrounded by a closed sleeve or cap formed of the outer conductor material. Preferably, the die additionally is shaped to provide an end terminal portion to the inner conductor, offset by a shoulder to permit assembly of the entire unit into a structural holder.

REFERENCES:
patent: 2858350 (1958-10-01), Fritts et al.
patent: 3332808 (1967-07-01), Ray
patent: 3787958 (1974-01-01), Freedman et al.
patent: 3808670 (1974-05-01), Seetoo et al.

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