Method for heat treating an impact beam of automotive vehicle do

Details Method for heat treating an impact beam of automotive vehicle do Method for heat treating an impact beam of automotive vehicle do

1995-07-20

1997-08-05

Kastler, Scott

Metallurgical apparatus

Means treating a continuum of work

With heating means

266113, C21D 962

Patent

active

056539371

ABSTRACT:
A heat treatment system for treating an impact beam is disclosed. The heat treatment system comprises a plurality of transfer rollers for transferring a tube shaped impact beam; a heat treatment portion for heating and air cooling the transferred impact beam by the transfer roller, the heat treatment portion also including first through third air cooling portions arranged serially and in order; and a plurality of ring-shaped nozzle water cooling tubes in series with the heat treatment portion for injecting a coolant to water cool the heat treated impact beam, where the nozzle water cooling tubes each include an outer circumferential portion and an inner circumferential portion which together form a space portion, the inner circumferential portion having a ring shaped injection hole for injecting coolant and at least one coolant supply tube for supplying the water cooling tube with coolant, and the space portion including a projection jaw formed on a side portion, and a slant protruding portion formed on another side portion opposite to the projection jaw.

REFERENCES:
patent: 3058840 (1962-10-01), Kerr et al.
patent: 3469829 (1969-09-01), Fujita et al.
patent: 4093839 (1978-06-01), Moliterno et al.
patent: 5487795 (1996-01-01), Kim et al.

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