Sheet-material associating – Associating or disassociating – Signature associating
Patent
1977-04-04
1978-08-29
Burr, Edgar S.
Sheet-material associating
Associating or disassociating
Signature associating
B65H 4520
Patent
active
041099028
ABSTRACT:
An apparatus for the continuous zigzag-shaped folding of a material web, comprising an infeed station for the material web and two conveying or feed gaps arranged following the outfeed or discharge portion of the infeed station and each disposed to one respective side of said infeed station. The conveying or feed gaps are positioned to receive the material web delivered by the infeed station. The direction of conveying of the material web at any one conveying gap is always opposite to the direction of conveying of the other conveying gap. Further, means are provided in order to repetitively reverse the respective conveying directions of both conveying gaps. Each conveying gap has operatively associated therewith a folding blade or sword which is displaceable from a rest position remote from its associated conveying gap to the region of such conveying gap and operatively coupled with a drive mechanism. This drive mechanism respectively drives each folding blade through a work stroke and back at that moment when the conveying direction of the associated conveying gap reverses so as to move in synchronism with the conveying direction of the infeed station.
REFERENCES:
patent: 1283108 (1918-10-01), Dexter
Burr Edgar S.
Faltex Handels AG
Heinz A.
Kleeman Werner W.
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