Patent ID: 11865831
Assignee: TESA SE
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 19:
20. A method for preparing a multitude of cylinder sleeves, comprising:
(i) providing a multitude of cylinder base sleeves, wherein each cylinder base sleeve consists of cylindrical base layers arranged on top of each other, wherein said cylindrical base layers comprise one or more cylindrical polyurethane layers, wherein, independently of each other, at least 50 weight-% of each of said cylindrical polyurethane layers consist of polyurethane;
(ii) subjecting each cylinder base sleeve provided according to (i) to an air atmosphere having a temperature in the range of from 30 to 60° C. and a relative humidity in the range of from 30 to 80% at an absolute pressure in the range of from 0.8 to 1.2 bar(abs) for a period in the range of from 20 to 720 h;
(iii) optionally subjecting each cylinder base sleeve obtained according to (ii) to reconditioning conditions;
(iv) applying one or more cylindrical layers onto the outer layer of each cylinder base sleeve obtained from (ii), optionally from (iii), wherein the outermost layer applied according to (iv) is an adhesive layer for attaching a printing plate thereto; and
(v) optionally applying a printing plate onto each adhesive layer according to (iv).