Electric heating – Metal heating – By arc
Patent
1985-05-13
1987-01-13
Leung, Philip H.
Electric heating
Metal heating
By arc
219121LN, 30140, 114 40, 114 42, B23K 2700
Patent
active
046366075
ABSTRACT:
In order to perform an ice-breaking operation more readily or with a defined geometry, an ice breaking aid is employed by virtue of which the ice is irradiated with high-frequency oscillations such as phonons or photons prior to the ice-breaking operation proper.
REFERENCES:
patent: 1477631 (1923-12-01), Deenihan
patent: 2027993 (1936-01-01), Methven
patent: 3539221 (1970-11-01), Gladston et al.
patent: 4060212 (1977-11-01), Magenheim
patent: 4365131 (1982-12-01), Hansman, Jr.
patent: 4379217 (1983-04-01), Youmans
Hayd Axel
Maurer Martin
Meinke Peter
Schwarz Joachim
Leung Philip H.
M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
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