Apparatus for interfolding

Details Apparatus for interfolding Apparatus for interfolding

1986-01-06

1987-09-08

Eickholt, E. H.

Sheet-material associating

With printing

Folding, with rotary printer

493360, 493361, 493433, B41F 1356

Patent

active

046919082

ABSTRACT:
Apparatus for interfolding webs, including two clusters of vacuum rolls, each in a generally hexagonal arrangement, each cluster having spaced apart web cutoff means and interfolding means, the vacuum rolls being arranged to develop four equal length paths between the cutoff means and the interfolding means, the apparatus being equipped with vacuum switching means to sequentially change paths of travel of the webs.

REFERENCES:
patent: 2165786 (1939-07-01), Christman
patent: 2631845 (1953-03-01), Zuckerman
patent: 3044766 (1962-07-01), Banks
patent: 3540723 (1970-11-01), Schuenemann et al.
patent: 4052048 (1977-10-01), Shirasaka
patent: 4279411 (1981-07-01), Nystrand
patent: 4494741 (1985-01-01), Fischer et al.
patent: 4530687 (1985-07-01), Keeny et al.

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