Apparatus for expanding a metal sheet

The apparatus comprises a reticulating machine (39) for simultaneously producing in metal sheet (2) of strip form a plurality of slits (67) disposed in a continuous and zigzag arrangement extending in the lengthwise direction thereof, and an expanding machine (40) for expanding in the lateral direct...

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Bibliographische Detailangaben
Hauptverfasser: IWAMURA AKIRA, INANOBE AKIRA, YOSHIHARA YASUYUKI, SETA FUMIAKI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The apparatus comprises a reticulating machine (39) for simultaneously producing in metal sheet (2) of strip form a plurality of slits (67) disposed in a continuous and zigzag arrangement extending in the lengthwise direction thereof, and an expanding machine (40) for expanding in the lateral direction the metal sheet (2) in which slits (67) have been formed in order to produce a lozenge-shaped mesh configuration. The expanding machine (40) comprises two endless conveyor elements (44) disposed at the two lateral edges of the metal sheet (2), chuck members (47), a plurality of which are provided in an equally-spaced arrangement to the endless conveyor elements (44), and a center guide member (91) for conveying the metal sheet (2) while guiding the transverse central portion such that it is deflected to one side in the direction of thickness of the metal sheet (2). The chuck members (47) grip the lateral edges of the metal sheet (2) in which slits (67) have been formed, thereby expanding the metal sheet (2) while conveyed by the endless conveyor elements (44).