Rolling mill with two press gaps

Details Rolling mill with two press gaps Rolling mill with two press gaps

1977-11-23

1978-11-07

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

Including means to adjust relative position of a roll

425363, 29116AD, B29D 714, D21F 300

Patent

active

041243498

ABSTRACT:
Rolling mill for the pressure treatment of a web of material having two press gaps in each of which a different application pressure can be adjusted independently of the other gap. The two press gaps are formed between three rolls whose axes are situated parallel to one another and lie in two planes. The roll which adjoins the two other counter-rolls to form the press gaps is constructed as a pressure equalization roll with a stationary axial supporting member about which a shell is capable of rotating and in which hydrostatic supporting elements are arranged in rows extending parallel to the press gaps. The application pressure in the press gaps is produced exclusively by means of the hydrostatic supporting elements. The shell of the pressure roll shell is capable of moving in all radial directions relatively to the supporting member. The two counter-rolls are guided radially and axially.

REFERENCES:
patent: 2971218 (1961-02-01), Bierer
patent: 3077222 (1963-02-01), Shanley
patent: 3241182 (1966-03-01), Kessler
patent: 3246365 (1966-04-01), Kloender
patent: 3570052 (1971-03-01), Reade
patent: 3581340 (1971-06-01), Thieme
patent: 3618190 (1971-11-01), Vernazza et al.
patent: 3802044 (1974-04-01), Spillmann et al.
patent: 3921514 (1975-11-01), Biondetti
patent: 3990935 (1976-11-01), Lehmann
patent: 3997952 (1976-12-01), Lehmann et al.
patent: 4011034 (1977-03-01), Curry et al.

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