Papermaker's grooved back felt

Details Papermaker's grooved back felt Papermaker's grooved back felt

1982-07-30

1983-05-10

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

34116, 139383A, 162DIG1, 162358, 428234, 428246, 428252, 428280, 428282, 428294, 428296, 428300, B32B 702

Patent

active

043829872

ABSTRACT:
A papermaking felt having interwoven warp and filling yarns on its face side and bulky rib forming yarns on its machine side, the rib forming yarns lying in spaced apart relation to define water conveying channels therebetween, there being a batt surface on the face side of the fabric needled through the warp and filling yarns and into the rib forming yarns, the rib forming yarns being heat fused following needling to render them essentially incompressible, the rib forming yarns being initially attached to the warp yarns by holding yarns which may be removed prior to the heat fusing or retained as a permanent part of the felt.

REFERENCES:
patent: 3613258 (1971-10-01), Jamieson
patent: 3948722 (1976-04-01), Wheeldon et al.
patent: 4119753 (1978-10-01), Smart
patent: 4187618 (1980-02-01), Diehl
patent: 4283454 (1981-08-01), Buchanan

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