Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied...
Patent
1995-04-19
1996-07-30
Kastler, Scott
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
110250, 219 68, F23G 500
Patent
active
055404162
ABSTRACT:
An injection needle melting/destroying device comprising an A(D)C power supply, a power indicator lamp, a transformer having output terminals, two opposite metal plates disposed beside the output terminals of the transformer to define a socket, a collection box disposed under the metal plates and a brush disposed above the metal plates. An injection needle is adapted to be inserted into the socket to make a short circuit so as to produce great current for melting the injection needle. The brush serves to cover the socket and prevent spark from splashing outside the socket during the melting operation.
REFERENCES:
patent: 4965426 (1990-10-01), Colombo
patent: 5076178 (1991-12-01), Kohl et al.
patent: 5091621 (1992-02-01), Butler
patent: 5166488 (1992-11-01), Peppard
patent: 5212362 (1993-05-01), Burden et al.
patent: 5245935 (1993-09-01), Fukuda
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