Temperature controlled cartridge heater

Details Temperature controlled cartridge heater Temperature controlled cartridge heater

1974-08-26

1976-03-30

Albritton, C. L.

Electric heating

Heating devices

Combined with pressure application means

156515, 219482, 219505, 338238, H05B 100

Patent

active

039476561

ABSTRACT:
A temperature controlled electric heater for severing a web of vinyl film, which includes a metallic sheath having internal heater elements arranged in a ceramic core and has a thermistor nested in the core and in surface contact with the sheath for sensing the temperature of the heater, the sheath being adapted to heat sever the vinyl film web on contact therewith.

REFERENCES:
patent: 2777931 (1957-01-01), Bundegaard et al.
patent: 3113198 (1963-12-01), Shinn
patent: 3305820 (1967-02-01), Lennox
patent: 3360693 (1967-12-01), Fickweiler
patent: 3519795 (1970-07-01), Kinney
patent: 3614387 (1971-10-01), Wrob
patent: 3678247 (1972-07-01), Sawa et al.

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