Adjusting roll in rolling frames, among others vertical...

Details Adjusting roll in rolling frames, among others vertical... Adjusting roll in rolling frames, among others vertical...

2004-10-19

2009-12-15

Ross, Dana (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

C072S248000

Reexamination Certificate

active

07631531

ABSTRACT:
The invention relates to an adjusting roll for the rapid adjustment of rolls in rolling frames, among others vertical upset forging frames, comprising at least one respective piston, which acts on both sides of a working roll to adjust the latter, by means of assembled parts of at least one working roll or an interposed support roll. The inventive adjusting roll has been improved by the provision of a piston (KO), which is equipped with two piston rods (ST1, ST2) that point in opposite directions and the piston or pistons (KO) are inserted into a respective cavity in the roll base (ZB) or roll cover (ZD), said base and cover comprising coaxial bores for conducting the piston rods (ST1, ST2).

REFERENCES:
patent: 3566638 (1971-03-01), Herbst
patent: 4471639 (1984-09-01), Gerber
patent: 2002/0073834 (2002-06-01), Shinohara
patent: 2701011 (1978-07-01), None
patent: 0 450 294 (1991-10-01), None
patent: 0 868 946 (1998-10-01), None
patent: 1 033 498 (2000-09-01), None
Patent Abstracts of Japan, vol. 007, No. 025 (M-190), Feb. 2, 1983 & JP 57 181715 A (Ishikawajima Harima Jukogyo KK), Nov. 9, 1982.
Patent Abstracts of Japan, vol. 009, No. 094 (M-374), Apr. 24, 1985 & JP 59 220205 A (Shin Nippon Seitetsu KK), Dec. 11, 1984.

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