Method and apparatus for production of hot-formed metallic rod

Details Method and apparatus for production of hot-formed metallic rod Method and apparatus for production of hot-formed metallic rod

1977-06-16

1978-07-11

Combs, E. M.

Metal deforming

With exposure of work to gas, vapor, mist, or modified...

72 39, 72 40, B21B 900, B21B 4504

Patent

active

040993990

ABSTRACT:
Hot-formed rod is prepared in a rolling mill by removing oxide from the surface of a nascent cast bar while the bar is in a non-oxidizing environment. Oxide is removed from the surface of the bar by means such as wire brushing, for example, with the oxide removing means and the nascent bar being enclosed in a non-oxidizing or reducing environment to improve the removal of existing oxide and to inhibit formation of new oxide on the bar while the bar travels from the oxide-removing means to the rolling mill to be hot-formed. Removal of oxide while the bar is in a non-oxidizing environment enhances the removal of oxide and lessens the unwanted removal of metal underlying the surface oxide.

REFERENCES:
patent: 2197022 (1940-04-01), Petterson
patent: 3257835 (1966-06-01), Cofer et al.
patent: 3498094 (1970-03-01), Simon
patent: 3608344 (1971-09-01), Schwan
patent: 3616668 (1971-11-01), Smith
patent: 3780552 (1973-12-01), Stasklewicz et al.
patent: 3806366 (1974-04-01), Cofer et al.
patent: 3881337 (1975-05-01), Cofer et al.
patent: 4043166 (1977-08-01), Leroy

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