bottle for pharmaceuticals closed with a lid
Lid (2) for closing a cup (1) along a peripheral sealing edge (10), comprises at least one aluminum foil and an optionally multi-layered plastic co-extruded on the aluminum foil. A closed predetermined tearing line (3) is provided in the plastic layer. At least one layer of the plastic layer is made of polyethylene based plastic or polypropylene based plastic. The predetermined tearing line is introduced into the plastic layer preferably by a carbon dioxide laser. An independent claim is included for producing the lid, comprising passing the lid material present in the form of an endless band, with the plastic layers facing the laser and placed on a supporting surface, focusing the laser beam to a diameter of 150-350 mu m, preferably 210 mu m, where the beam is focused on a spot above the aluminum foil.
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Published patent application
Disclosure date: 10-02-2007
Publication date: 06-01-2011
Applicant: CONSTANTIA TEICH GMBH, AT
Inventor: SCHEDL ADOLF ING, AT ; KORNFELD MARTIN DR, AT ; NEKULA LAMBERT, AT ; REITERER FRANZ ING, AT ; WEGENBERGER ALFRED DI MONT DR, AT
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