Plastic packaging with at least one welded knob
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 29, 2008
Grant Date -
Aug 12, 2004
app pub date -
Apr 13, 2002
filing date -
Apr 25, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a plastic packaging (1) made from a packaging dish (2) and a cover lid (3). The cover lid (3) is at least partially sealed to the packaging dish (2) in a peelable manner and the cover lid (3), or the packaging dish (2), comprises at least one knob (5) and complementary to the above the packaging dish (2) or the cover lid (3) comprises a recess (6), through which the knob(s) is/are pressed on sealing the plastic packaging (1). At least a partial region of at least one knob is provided with a sealing material (95) or preferably at least one partial region of at least one knob (5) and the boundary region of the complementary recess (7) is connected to a sealing material (9), which on first opening of the packaging (1) is damaged. The invention further relates to methods for the production of said packages.
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