Headbox for forming multi-ply sheets

Details Headbox for forming multi-ply sheets Headbox for forming multi-ply sheets

1982-02-03

1983-03-08

Chin, Peter

Paper making and fiber liberation

Apparatus

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

162341, 162343, 162344, D21F 106

Patent

active

043760147

ABSTRACT:
Apparatus for a paper making machine to form multi-ply web including a headbox having an upper and lower chamber for low consistency fibrous stock to form the outer surface plies of a finished web and an intermediate chamber for receiving a high consistency stock for an intermediate ply with the headbox chambers delivering to portions of a slice chamber, with the outer portions of the slice chamber discharging through a slice opening onto a travelling forming surface and such slice chamber portions having flexible fine scale turbulence trailing elements unsupported at their downstream ends, and the slice chamber having an intermediate passageway receiving stock from the intermediate chamber of the headbox and being defined between solid walls which have inwardly facing surfaces forming a high efficiency tortuous undulating path for the high consistency stock flowing therethrough. In the downstream portion of the passageway the structure is such that the intermediate ply stock is modulated and smoothed so that the outer plies will join the intermediate ply for presenting smooth outer surfaces for the multi-ply paper web.

REFERENCES:
patent: 2156445 (1939-05-01), Baxter
patent: 2329799 (1943-09-01), Thorsen
patent: 3839143 (1974-10-01), Suckow
patent: 3923593 (1975-12-01), Verseput
patent: 4021296 (1977-05-01), Reiner
patent: 4086130 (1978-04-01), Justus
patent: 4125429 (1978-11-01), Hergert et al.
patent: 4141788 (1979-02-01), Justus

Affiliated with

Also associated with

Rating

Headbox for forming multi-ply sheets does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Headbox for forming multi-ply sheets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Headbox for forming multi-ply sheets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1733739