Separating articles from piles (associating, collating, or gathering articles B65H39/00; machines for separating superposed webs B65H41/00; unpiling thin material combined with folding B65H45/26; combinations of piling and depiling operations, of interest apart from the single operation of piling or depiling B65H83/00)

Child Classifications

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• B65H 3/02 using friction forces between articles and separator
• B65H 3/08 using pneumatic force
• B65H 3/16 using magnetic force
• B65H 3/18 using electrostatic force
• B65H 3/20 using adhesives
• B65H 3/22 by needles or the like engaging the articles
• B65H 3/24 by pushers engaging the edges of the articles
• B65H 3/26 by separators engaging folds, flaps, or projections of articles
• B65H 3/28 by screw or like separators
• B65H 3/30 by escapement devices (screw and like separators B65H3/28); from staggered piles; from piles of articles having staggered formations, e.g. cuts or perforations
• B65H 3/32 by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile (such elements acting only as supplementary devices to assist separation or prevent double feed B65H3/50)
• B65H 3/34 Article-retaining devices controlling the release of the articles to the separators
• B65H 3/36 by separators moved in special paths, e.g. enclosing an area
• B65H 3/40 by two or more separators acting alternately on the same pile (rotary or oscillating bodies carrying two or more separators B65H3/42)
• B65H 3/42 by two or more separators mounted for movement with, or relative to, rotary or oscillating bodies
• B65H 3/44 Simultaneously, alternately, or selectively separating articles from two or more piles
• B65H 3/46 Supplementary devices or measures to assist separation or prevent double feed (control means comprising detectors responsive to double feed B65H7/12)
• B65H 3/66 Article guides or smoothers, e.g. movable in operation