Apparatus for the inside and outside quenching of tubular pieces

Metallurgical apparatus – Having means for contacting a solid metalliferous material...

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266259, C21D 908

Patent

active

048487520

ABSTRACT:
An apparatus for providing the inner and outer quenching of tubular metallic pieces and more particularly of steel tubes, characterized in that it includes successively in the direction of movement of said tubes:

REFERENCES:
patent: 2287825 (1942-06-01), Postlewaite
patent: 2307694 (1943-01-01), Malke
patent: 2565855 (1951-08-01), Jordan
patent: 3623716 (1971-11-01), Fritsch et al.
patent: 4123301 (1978-10-01), Pope et al.
patent: 4376528 (1983-03-01), Ohshimatani et al.
patent: 4486009 (1984-12-01), Kopf
patent: 4575054 (1986-03-01), Kruppert

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