D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 7/08 (2006.01) B32B 5/06 (2006.01) D21F 7/08 (2006.01) D21F 7/10 (2006.01)
Patent
CA 2089867
An improved papermakers press felt includes a base fabric assembly joined without seaming. In one embodiment, the ends of the base fabric (15, 16) are joined (17, 17') to create an endless fabric by a needling operation that also entangles the batt (14) into the base fabric. The ends to be joined of the flat-woven base fabric are preferably cut on a diagonal. To produce this fa- bric, a flat-woven base fabric (15, 16) is cut proper dimensions for a press felt and rolled into two continuous loops, one inside the other, to form the base fabrics of the appropriate size for a press felt are used. Each fabric is rolled once to form a loop and the two loops are assembled, one within the other, to form the base fabric assembly. In a second embodiment, the base fabric is joined prior to needling by a pintle cable inserted through loops formed when a void is formed in the fabric to accomodate the pintle cable:
Gstrein Hippolit
Zehle Wilhelm
Smart & Biggar
Weavexx Corporation
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