Method for forming a hollow plastic product
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United States of America Patent
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-
Mar 16, 2010
Grant Date -
Jan 8, 2009
app pub date -
Oct 29, 2007
filing date -
Sep 16, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method for manufacturing a hollow plastic product. The method includes the steps of forming a reinforce member in a desired shape having a defined welding surface formed with a first hole by injection molding; forming a hollow main body by blow molding using said reinforce member as an insert, thereby having said reinforce member integrally formed with said hollow main body and having a portion of said hollow main body extended into said first hole in the shape of a mesa when blow-molded; thermally welding a top end surface of a connector pipe to said welding surface and also to a top surface of said mesa shaped portion; and forming a second hole in said top surface of said mesa shaped portion to be aligned with said second hole, thereby forming a fluidic communication passage between an interior of said hollow main body and an interior of said connector pipe.
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