Patent ID: 11965272
Assignee: VALMET TECHNOLOGIES, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 18:
19. An industrial textile having a machine direction and a cross-machine direction, and a first surface and a second surface, the industrial textile being a conveyor fabric, a dryer fabric or a filter fabric, the industrial textile comprising:
a double warp, comprising:
a first warp comprising first machine direction yarns; and
a second warp comprising second machine direction yarns, wherein the yarns of the first warp are arranged above the yarns of the second warp;
a weft comprising cross-machine direction yarns, wherein the yarns of the first warp and the yarns of the weft are bonded to each other according to a first predetermined pattern;
wherein the yarns of the second warp and the yarns of the weft are bonded to each other according to a second predetermined pattern; and
wherein the first predetermined pattern and the second predetermined pattern form a textile structure, which comprises the yarns of the weft on a first level and the yarns of the weft on a second level in a thickness direction of the industrial textile; and
wherein yarns of the weft having a smaller diameter are configured to alternate with yarns of the weft having a larger diameter on the first level, and wherein the industrial textile has a contact area of less than 20%, wherein the contact area is measured by a method comprising providing a sample of the industrial textile, polishing a paper side of the sample by removing 0.12 mm in a thickness direction of the sample, photographing the sample, calibrating magnification by a calibration ruler, imaging the calibration ruler and the polished surface of the sample with the calibrated magnification, and measuring the percentage of the contact area.