Method and apparatus for creating a blow molded case

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...

Reexamination Certificate

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Details

C264S154000, C264S163000, C425S289000, C425S290000, C425S296000, C425S522000, C425S525000, C425S527000, C425S531000

Reexamination Certificate

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07578959

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 and a punch for each portion corresponding to the outline of an object. In certain embodiments, the punch protrudes into the cavity during blow molding to create a sidewall to facilitate a press fit. In some embodiments, additional punches and/or recesses are provided to produce additional apertures or flanges in the walls of the tool case.

REFERENCES:
patent: 3317995 (1967-05-01), Bord
patent: 3327841 (1967-06-01), Schurman et al.
patent: 3339781 (1967-09-01), Schurman et al.
patent: 3822083 (1974-07-01), Zeamer
patent: 4340139 (1982-07-01), Wilcox et al.
patent: 6102156 (2000-08-01), Lipniarski
patent: 2003/0104098 (2003-06-01), Schrader
patent: 2004/0197436 (2004-10-01), Anderson et al.
patent: 968520 (1975-06-01), None
patent: 61171322 (1986-08-01), None
Partial European Seaerch Report, Feb. 27, 2008, 6 Pages.

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