Pin seamed papermaker's press felt with laminated base...

Details Pin seamed papermaker's press felt with laminated base... Pin seamed papermaker's press felt with laminated base...

D - Textiles, Paper

21

F

D21F 7/08 (2006.01) D03D 3/04 (2006.01) D21F 7/10 (2006.01)

Patent

CA 2391027

A press felt that can have a reduced tendency to fray at the seam cut includes: a paper side batt layer; a machine side batt layer; and a base fabric layer sandwiches between the paper side batt layer and the machine side batt layer. The base fabric layer comprises a first fabric and a second fabric. The first fabric includes machine direction yarns and cross machine direction yarns interwoven with the machine direction yarns. The first fabric has first and second ends with loops, wherein the loops of the first end are interdigitated with the loops of the second end, and the loops of said first and second ends receive a pin to form the first fabric into an endless belt having a seam. The second fabric is formed into an endless belt overlying the first fabric and includes machine direction yarns and cross machine direction yarns interwoven with the machine direction yarns, wherein the machine direction yarns are formed of a low melt material. In this configuration, the low melt machine direction yarns of the second fabric may have a reduced tendency to fray at the seam cut during prolonged operation.

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