Title: Vacuum roller

Abstract: A vacuum roller assembly for feeding sheet material such as finishing paper, carton, foil and the like, wherein a resilient roller shell is provided with a plurality of suction ports for drawing the sheet material into non-slip contact with the roller assembly. A plurality of deformable slit-like openings extend into the resilient shell, with the slits being in vacuum communication with the suction ports to provide a suction network over the roller and adaptable for providing suction to only that portion of the vacuum roller in contact with the sheet material.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Schmid, Walter (Stadel, CH)

Application Number: 952225
Filing Date: 1978-10-17
Publication_date: 1980-06-17
Assignee: Bachofen & Meier, Maschinenfabrik (Bulach, CH)
Primary Class(es): 226/95 226/193, 271/196, 492/31
Other Classes:
US Patent Ref:

3122295	Feb, 1964	Davison	226/193.
4029249	Jun, 1977	Nagel	226/193.

Other Refs:
Primary Examiner: Schacher, Richard A.
Assistant Examiner:
Attorney: Pollock, Vande Sande & Priddy