Method and an arrangement for the advancing of a packing material web through a packing machine
Patent 4266389 Issued on May 12, 1981. Estimated Expiration Date: 
November 29, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 29, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1261310 2814676 3061989 3081014 3776441 Bag handling apparatus Vacuum packaging machine for the production of packages from packaging material webs Patent #: 4033092 InventorsAssigneeApplicationNo. 05/964623 filed on 11/29/1978US Classes:53/396, METHODS226/112, Continuous feed from serial sequentially operated feeders226/114, With pivotal former-support53/389.4, Roller or roller-like feeder53/451, Vertically formed, filled, and sealed tubular package53/551Vertically disposed tubeExaminersPrimary: Sipos, JohnAttorney, Agent or FirmInternational ClassesB65B 41/00 (20060101)B65B 41/14 (20060101) Foreign Application Priority Data1977-11-29 SEAbstractPacking machines for the manufacture of packing containers frequently produce these from web-like material, which is supplied to the machine in the form of a roll. During the production the material web is advanced through the machine along a path defined by guiding rollers, guiding rails and similar elements. These guiding elements obstruct in an undesirable manner the movement of the material web through the machine. This difficulty is eliminated in accordance with the invention in that a front and a back part of the material web are advanced alternately. In accordance with the invention, moreover, an arrangement is proposed with first and second web-advancing elements, which operate with alternating working strokes. | |
