Blow molded case with retaining structure and system for creating same
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United States of America Patent
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app pub date -
Apr 14, 2005
filing date -
Oct 5, 2004
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Abandoned
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Abstract
A method and apparatus for blow molding a case for housing an object, such as a tool, is disclosed generally comprising first and second mold portions located adjacent each other to create separate cavities for forming base and lid portions of a case. The second mold surface includes a protuberance for creating a protrusion on an outer wall of the case during blow molding, which serves to restrain the movement of an object that is received in a hole in the corresponding inner wall of the case. In certain embodiments, the protrusion corresponds to at least part of the outline of the object or an aperture in the object. In some embodiments, the protrusion is positioned to engage an edge of the object to prevent movement.
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