The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2010
Filed:
Feb. 12, 2007
Mauro Cere′, Loiano, IT;
Mauro Cere′, Loiano, IT;
Aetna Group S.p.A., Rimini, IT;
Abstract
A unit for positioning a sheet () of film () to cover the tops of product groups () comprises: a second roll () of film (); a first carriage () that is slidably mounted on guide rails () running along an upper horizontal plane and is driven in both directions along the wrapping area () by motorized movement means (); the first carriage () is equipped with a first gripper unit () designed to grip the free end of the film () and to unwind the film () for a predetermined length; film () cutting means () located in the vicinity of the second roll () and designed to separate the length of film thus unwound from the rest of the film (); a second carriage () slidably mounted on the guide rails () in the vicinity of the cutting means (); a second gripper unit () mounted on the second carriage (), acting on the film () in such a way as to hold the sheet () at a second retention point when the cutting means () are activated; means () for coupling the second carriage () to the motorized movement means () in such a way that, when engaged, the two carriages () can move together as one in order to position the sheet () centrally on the top surface of the product group ().