Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – By calendering
Patent
1988-03-08
1989-07-11
Godici, Nicholas P.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
By calendering
164428, 164480, 264DIG25, 425363, B22D 1106
Patent
active
048470295
ABSTRACT:
If a liquid metal oxide is fed to the nip of an inwardly cooled pair of rolls to cool and solidify, the rolls are subjected to a great material fatigue because of the constantly changing high heat stresses. A configuration of the rolls with few notches can be achieved by an approximation of the contour of a spherical hood. This is achieved in that each of the rolls (1,2) is designed as a truncated conical section, in that adjacent to the base (9,10), exhibiting the greater diameter of each truncated conical section a cylindrical section (5,6) with the diameter of the base (9,10) and a substantially open front surface (23) is provided. Each truncated conical section is closed, by a plane wall, on the front surface (7,8) with the smaller diameter.
REFERENCES:
patent: 2603114 (1952-07-01), Colinet
Burkardt Norbert
Dietrich Rainer
Kuhn Peter
Batten, Jr. J. Reed
Godici Nicholas P.
Lonza Ltd.
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