Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Patent
1987-11-23
1989-02-14
Combs, E. M.
Metal deforming
By use of roller or roller-like tool-element
With modification or control of temperature of work, tool or...
72342, B21B 4300, B21B 4502
Patent
active
048038644
ABSTRACT:
The tunnel comprises a rigid metal framework (3), a U-shaped covering unit (5) and a raising means (12) for shifting the framework and the covering unit between a service position and an out of service position (3', 5'). The framework (3) includes parallel cross-members (10) and the covering unit is constituted by a smooth metal sheet covered with an insulation material. The covering unit (5) is connected under the metal framework (3) in the region of each of the cross-members (10) by a plurality of articulated suspension means (6).
REFERENCES:
patent: 4343168 (1982-08-01), Laws et al.
patent: 4382586 (1983-05-01), Reese
patent: 4499746 (1985-02-01), Laws et al.
patent: 4527409 (1985-07-01), Ouwerkerk
patent: 4719779 (1988-01-01), Laws et al.
Brysbaert Jean M.
Vautrain Alain
Combs E. M.
Usinor Aciers
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