Patents Assigned to Naturin-Werk Becker & Company
  • Patent number: 4601929
    Abstract: The present invention relates to a tubular film used for packing foodstuffs in paste form, this tubular film being of polyamide that can absorb at least 5% water, and which at an internal pressure between 0 and 0.6 bar permits substantially reversible deformation and which has a matt appearance. The present invention also relates to a process for the production of this tubular film by multiaxial stretching of the primary tube with stretch ratios of at least 1:2.3 in the longitudinal direction and at least 1:2.5 in the transverse direction, and total thermal fixing of the stretched tube during controlled shrinkage. In addition, the invention describes a boiled or cooked sausage as well as a soft cheese, these being packed in a tubular film according to the invention.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: July 22, 1986
    Assignee: Naturin-Werk Becker & Company
    Inventors: Gayyur Erk, Rudi Korlatzki
  • Patent number: 4560520
    Abstract: The present invention relates to a tubular film used for packing foodstuffs in paste form, this tubular film being polyamide that can absorb at least 5% water, and which at an internal pressure between 0 and 0.6 bar permits substantially reversible deformation and which has a matt appearance. The present invention also relates to a process for the production of this tubular film by multiaxial stretching of the primary tube with stretch ratios of at least 1:2.3 in the longitudinal direction and at least 1:2.5 in the transverse direction, and total thermal fixing of the stretched tube during controlled shrinkage. In addition, the invention describes a boiled or cooked sausage as well as a soft cheese, these being packed in a tubular film according to the invention.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: December 24, 1985
    Assignee: Naturin-Werk Becker & Company
    Inventors: Gayyur Erk, Rudi Korlatzki