Patents Assigned to Rainer Naroska Engineering GmbH
  • Patent number: 11318518
    Abstract: A deep-drawing tool for deep drawing blanks which are punched out of sheet material that is painted or coated with film material, in order to obtain flangeless molded blanks, includes a drawing bell, a drawing core, a blank holder, a force transmission device, a drawing cushion for applying a spring force to the blank holder by the force transmission device, and a drive which, after the drawing bell reaches a predetermined position in downward movement thereof, drives the force transmission device to perform a movement which precedes movement of the drawing bell.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: May 3, 2022
    Assignee: Rainer Naroska Engineering GmbH
    Inventor: Marcus Naroska
  • Publication number: 20090230129
    Abstract: The invention relates to a tear-open seal packaging (10), with a packaging element (12) having an opening (30) and a tear-open film (14), which closes opening (30) and is connected along its outer edge portion (16) with the opening edge (32) of packaging element (12) by a sealing seam (18). Sealing seam (18) has at least one indentation (26,28) which extends inwards from the outer edge of sealing seam (18), and whose depth of extension is less than width (B) of sealing seam (18) at the point of the indentation (26,28).
    Type: Application
    Filed: August 20, 2008
    Publication date: September 17, 2009
    Applicant: Rainer Naroska Engineering GmbH
    Inventor: Rainer Naroska