Package for flowable materials with foldlines reinforced by strips
Patent 4526314 Issued on July 2, 1985. Estimated Expiration Date: 
September 30, 2002. 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.
September 30, 2002. 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 2168186 2558918 2661141 3421678 3727825 Packaging container Patent #: 4197962 InventorAssigneeApplicationNo. 06/431921 filed on 09/30/1982US Classes:229/106, Including a polygonal bottom wall and a curved sidewall229/199, Separate reinforcing element229/5.84, Box material coated, laminated, or permeated with a thermoplastic material229/930FOLD DETAILExaminersPrimary: Price, WilliamAssistant: Elkins, Gary E. Attorney, Agent or FirmInternational ClassesB29C 65/18 (20060101)B65D 5/42 (20060101) B65D 5/44 (20060101) Foreign Application Priority Data1981-10-10 DEAbstractA packaging for filling materials which are capable of flow, comprises side and end walls of coated paper, cardboard or the like, which are joined by means of at least one sealing seam. Bending lines (7) are provided in the coated paper, cardboard or the like. So that the bending lines in such packaging remain undamaged in spite of a thin overall coating of plastics material on the paper web, even when processed in a manufacturing machine, it is provided that disposed in the region of at least some bending lines (7) is at least one plastics reinforcing strip (15) which engages thereover, such that the welding and contact surface (29) between the reinforcing strip (15) and the coated cardboard (61, 62) terminates from all sides at a spacing from the bending lines (7). | |
