Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1990-05-21
1992-01-21
Simmons, David A.
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
156148, 156159, 428 57, D21F 710
Patent
active
050825321
ABSTRACT:
A seamed wet press felt installed in a press position in a papermaking machine has a base fabric with end loops intermeshed and joined in the seam and a layer of batt material needled to the base fabric and which was cut adjacent the seam area prior to installation on the machine and then refelted after installation so as to eradicate the cut and to provide a batt layer having a continuous, homogeneous paper supporting surface throughout its length.
REFERENCES:
patent: 3230599 (1966-01-01), McKew et al.
patent: 4141388 (1979-02-01), Romanski et al.
patent: 4279676 (1981-07-01), Morrison et al.
patent: 4369081 (1983-01-01), Curry et al.
patent: 4403632 (1983-09-01), Romanski et al.
patent: 4958673 (1990-09-01), Dufour
Asten Group Inc.
Dang Thi
Simmons David A.
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