Apparatus for making, filling, closing and boxing bags
Patent 4215520 Issued on August 5, 1980. Estimated Expiration Date: 
November 9, 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 9, 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 3335540 3774509 Apparatus for packaging bulk material Apparatus for forming, filling and closing bags Patent #: 4129976 InventorsAssigneeApplicationNo. 05/959226 filed on 11/09/1978US Classes:53/173, Filling preformed receptacle and subsequent covering53/552Concurrent severingExaminersPrimary: McGehee, Travis S.Attorney, Agent or FirmInternational ClassesB65B 9/20 (20060101)B65B 9/10 (20060101) Foreign Application Priority Data1977-11-09 CHAbstractAn apparatus for making, filling, closing and boxing bags includes a vertically oriented hollow mandrel about which a hose of sealable sheet is continuously formed, a device for cylindrically providing a transverse seam on the hose; a cutting device for cyclically severing the hose at the transverse seam for providing precedingly filled, sealed bags; a base plate situated underneath the mandrel for supporting thereon serially positioned and advanced, upright-oriented bag-receiving boxes open at their top and bottom; an opening provided in the base plate and aligned with the mandrel; and a vertically displaceably supported bag grasping device for penetrating through the opening into a box positioned underneath the mandrel and for downwardly pulling a filled and closed bag into the box. | |
