Folding of sheet-material blanks

A sheet-material blank is advanced in a path and from laterally of the path a folding member is advanced slowly towards and into engagement with the blank, whereupon it is accelerated beyond the path to the other side thereof. The deflecting member is then withdrawn and the deflected portions of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HERTRICH, KLAUS, FENSKE, HORST
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A sheet-material blank is advanced in a path and from laterally of the path a folding member is advanced slowly towards and into engagement with the blank, whereupon it is accelerated beyond the path to the other side thereof. The deflecting member is then withdrawn and the deflected portions of the blank are engaged between two rollers which rotate in mutually opposite directions and the blank is thereby folded by engagement with these rollers through the nip of which it passes.