Universal rolling stand with roll gap control

Metal deforming – By use of roller or roller-like tool-element – Included in roller-cluster

Reexamination Certificate

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Details

C072S237000, C072S239000, C072S245000

Reexamination Certificate

active

07086263

ABSTRACT:
A universal rolling stand with control of the space between the rolls comprises a pair of horizontal rolls and one or more vertical rolls with respective chocks, positioning housings and a guide for the chocks with adjustment tie rods (6, 7, 6′, 7′, 18, 18′, 19, 19′) anchored on one side to the housings and acting on the chocks for the adjustment and positioning of the rolls. Adjustment is performed by means of hydraulic capsules (8, 8′, 9, 9′, 20, 20′, 21, 21′) with two hydraulic chambers with dual actuation effect and a double stem at the ends of each tie rod.

REFERENCES:
patent: 3196516 (1965-07-01), Bongiovanni
patent: 3250105 (1966-05-01), Stone
patent: 4127997 (1978-12-01), Quehen
patent: 4736609 (1988-04-01), Schiller et al.
patent: 4918964 (1990-04-01), Engel et al.
patent: 5048411 (1991-09-01), Siebert
patent: 6021656 (2000-02-01), Bogendorfer et al.
patent: 8403103 (1984-10-01), None
patent: 0 557 874 (1993-02-01), None
patent: 2 137 911 (1984-10-01), None

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