Patents Assigned to Cito-Pac Verpackungsgesellschaft mbH
  • Patent number: 4588090
    Abstract: A blister pack strip comprises two congruent deep-drawn carrier foils (1) of polystyrene. Each foil (1) has a thickness of between 130 and 190.mu.. The foils (1) are coated on their facing surfaces with polyethylene (2) having a thickness of between 40 and 50.mu., are welded together in mirror image to form a plurality of pockets (7), and define a plurality of inlet funnels (4) along one edge of the strip communicating with respective pockets. Each inlet funnel (4) is at least partly closed by a weld bridge (5). Welded-up squirt nozzles (8) communicating with each pocket (7) are formed on the side of the strip opposite to the inlet funnels (4), and a groove (9) is provided transversely to the squirt nozzles (8) and parallel with the adjacent edges of the carrier foils (1).
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: May 13, 1986
    Assignee: Cito-Pac Verpackungsgesellschaft mbH
    Inventors: Gisbert Spuck, Gerhard Ludwig