Papermaking machine

Details Papermaking machine Papermaking machine

1982-11-16

1985-08-06

Chin, Peter

Paper making and fiber liberation

Apparatus

Web creping or crinkling type

162111, 162113, 162359, 162361, 162362, D21F 300

Patent

active

045334374

ABSTRACT:
The invention relates to a papermaking machine employing a differential pressing felt for simultaneously dewatering the paper web and imprinting the paper web as the web is deposited onto the surface of a heated drying cylinder. The felt has a felt facing material greater than about 153 grams/m.sup.2 and imprinting yarn strands forming knuckles adjacent to the felt facing. The yarn strands have a spacing of about 6 to about 25 0.0254 meters.

REFERENCES:
patent: 3537954 (1970-11-01), Justus
patent: 3905863 (1975-09-01), Ayers
patent: 4191609 (1980-03-01), Trokhan
patent: 4196045 (1980-04-01), Ogden
patent: 4302282 (1981-11-01), Young

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