Heat-controlled doctor knife

Details Heat-controlled doctor knife Heat-controlled doctor knife

1977-07-21

1978-10-10

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

30140, 118261, 219345, 219549, H05B 334

Patent

active

041198360

ABSTRACT:
A flexible, heat-controlled doctor knife has a flat, flexible, heat-generating element affixed to one side of the knife blade. Blade flexing means which can adjust the angle of the working edge of the knife are provided on one side of the blade, adjacent to the working edge. The heat-generating element provides uniform heating of the knife and is a laminate having an electrically-conducting layer with alternating layers of a synthetic resin insulator and aluminum foil. An edge of the heat-generating element extends adjacent to the blade flexing means. Temperature control means regulate the heating of the blade.

REFERENCES:
patent: 881381 (1908-05-01), Andrews et al.
patent: 2213117 (1940-08-01), Blackmore
patent: 2328990 (1943-09-01), Meyer
patent: 2361950 (1944-11-01), Leech
patent: 2375812 (1945-05-01), Nordstrom et al.
patent: 3022412 (1962-02-01), Waters
patent: 3423574 (1969-01-01), Shomphe et al.
patent: 3859504 (1975-01-01), Motokawa et al.

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