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:
Oct. 23, 2001
Filed:
Feb. 04, 1999
Yrjö Suolahti, Masku, FI;
Oy M. Haloila AB, Masku, FI;
Abstract
Wrapping apparatus for winding a wrapping foil web (F) around an object (,) includes a foil dispenser (,) arranged to circulate along a ring-like endless track (,) around the object to be packaged. The foil dispenser (,) comprises a frame (,), a detachable and replaceable foil roll (,) mounted on the frame, supporting elements (,) for supporting the foil roll on the frame, and tensioning arrangements (,) for braking foil delivery from the roll and maintaining a predetermined foil tension. The tensioning arrangements (,) comprise a sensor (,) for detecting foil web tension, and an electric motor (,) for driving the foil roll (,). The torque, speed of rotation and direction of rotation of the electric motor is controlled on the basis of foil tension as detected by the sensor.