Twin-wire former in a paper machine

Details Twin-wire former in a paper machine Twin-wire former in a paper machine

1991-12-18

1993-04-20

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162300, 162352, D21F 100

Patent

active

052039676

ABSTRACT:
In a twin-wire former in a paper machine, an operation of a hybrid former mode and that of a gap former mode are conducted, and papers of quality conforming to the kind of papers can be made in a wide range of basis weight with regard to multiple kinds of papers.
In the twin-wire former, a forming roll, which guides a top wire so that it can approach to a bottom wire to pinch the stock of paper and run approximately horizontally, is made adjustable in an up and down direction.
Upper surfaces of blades of a forming board and a forming shoe provided inside a loop of the bottom wire, are upwardly convex so that dewatering can be effected mainly downward.

REFERENCES:
patent: 3992254 (1976-11-01), Lehtinen
patent: 3994774 (1976-11-01), Halme et al.
patent: 4609435 (1986-09-01), Tissari
patent: 4714521 (1987-12-01), Fujiwara
patent: 4734164 (1988-03-01), Irwin et al.
patent: 5074966 (1991-12-01), Koivuranta

Affiliated with

Also associated with

Rating

Twin-wire former in a paper machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Twin-wire former in a paper machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Twin-wire former in a paper machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1523888