Multi-layered preform and multi-layered bottle manufactured by using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 16, 2005
Grant Date -
May 13, 2004
app pub date -
Oct 31, 2003
filing date -
Sep 29, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-layered perform for substantially preventing the generation of strains and obtaining improved stress cracking resistance with excellent appearance characteristics includes a mouth portion, a body portion and a bottom portion and has at least the body portion and the bottom portion formed of an inner layer, an intermediate layer, and an outer layer by a compression molding. A multi-layered bottle is manufactured by performing a biaxial stretch blow molding of such multi-layered perform. The multi-layered bottle includes a mouth portion a shoulder portion, a body portion and a bottom portion. At least the shoulder portion, the body portion and the bottom portion include an inner layer, an intermediate layer and an outer layer.
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