阅读说明：本技术 挤压套及其应用及挤压辊子、靴式挤压机 (Extrusion sleeve, application thereof, extrusion roller and shoe type extruder ) 是由 J.邹 R.韦斯特霍尔兹 S.埃尔莫特 于 2019-06-13 设计创作，主要内容包括：本发明涉及一种挤压套,其包括至少一个聚合物层,在所述聚合物层中嵌有加固结构,其中,所述加固结构包括至少一个加固纱作为纵向纱,其沿所述挤压套的纵向延伸,其中,所述至少一个加固纱本身是通过多个纤维或纤维束相互交织制成的。此外本发明涉及这种挤压套的应用以及一种挤压辊子和一种靴式挤压机。(The invention relates to an extruded sheath comprising at least one polymer layer, in which a reinforcing structure is embedded, wherein the reinforcing structure comprises at least one reinforcing yarn as a longitudinal yarn, which extends in the longitudinal direction of the extruded sheath, wherein the at least one reinforcing yarn is produced by interweaving a plurality of fibers or fiber bundles. The invention also relates to the use of such a press jacket, to a press roll and to a shoe press.)

1. Extruded sheath comprising at least one polymer layer (20.1, 20.2, 20.3) in which a reinforcing structure (20 ") is embedded, wherein the reinforcing structure (20") comprises at least one reinforcing yarn (21) as longitudinal yarn (21.1) extending in the longitudinal direction of the extruded sheath (20), wherein the at least one reinforcing yarn (21) itself is produced by interweaving a plurality of fibers or fiber bundles (22).

2. Extrusion sleeve according to claim 1, characterized in that a plurality of reinforcement yarns (21) are designed as longitudinal yarns (21.1) which are arranged to extend in the longitudinal direction of the extrusion sleeve (20) at spaced parallel intervals on the circumference of the extrusion sleeve (20).

3. Extrusion sleeve according to claim 1 or 2, characterised in that at least one further reinforcement yarn (21) is designed as a circumferential yarn (21.2), said circumferential yarn (21.2) preferably extending helically in the circumferential direction of the extrusion sleeve inside the polymer layer (20.1, 20.2, 20.3).

4. Extrusion sleeve according to claim 3, characterised in that the reinforcement yarn (21) designed as longitudinal yarn (21.1) and the at least one further reinforcement yarn (21) designed as circumferential yarn (21.2) form a scrim with respect to one another, preferably such that the longitudinal yarn (21.1) is arranged radially inside the at least one circumferential yarn (21.2) as viewed with reference to the longitudinal axis (20') of the extrusion sleeve.

5. Extrusion sleeve according to claim 4, characterised in that the extrusion sleeve (20) is radially spaced apart at the crossing location of the longitudinal yarns (21.1) with respect to the at least one circumferential yarn (21.2) viewed radially.

6. Extrusion sleeve according to one of the preceding claims, characterised in that the number of fibres or fibre bundles (22) making up a single reinforcement yarn (21) is odd, whereby the reinforcement yarn (21) is present as a face-type braid, for example a strand.

7. Extrusion sleeve according to one of the preceding claims, comprising at least one polymer layer (20.1) which is radially outermost, viewed with reference to the longitudinal axis (20') of the extrusion sleeve (20), and a polymer layer (20.2) which is radially inner, viewed with reference to the longitudinal axis (20') of the extrusion sleeve (20), wherein the radially inner polymer layer (20.2) is designed according to one of the preceding claims.

8. Extrusion sleeve according to claim 7, characterized in that exactly two polymer layers (20.1, 20.2) are provided and that the radially inner polymer layer (20.2) is at the same time also the radially innermost polymer layer of the extrusion sleeve (20).

9. Press roll, such as a shoe press roll (12), for a shoe press (10) for treating a fibrous web (24), characterized in that the press roll has at least one press jacket (20) according to one of the preceding claims.

10. Shoe press (10) for treating a fibrous web (24), preferably for treating a paper, cardboard, paper towel or pulp web, the shoe press (10) comprising a press roll and a counter roll (14) which together form a nip (22) or delimit the nip, wherein the press roll comprises a surrounding press jacket, characterized in that the press jacket (20) is constructed according to one of claims 1 to 8.

11. Use of a press jacket (20) according to one of claims 1 to 8 for a press, for example for a shoe press for treating a fibrous web (24), preferably a paper, cardboard, tissue or pulp web.