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
2007-05-07
2010-06-01
Davis, Robert B (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
C264S155000, C264S156000, C264S163000, C425S290000, C425S527000, C425S531000
Reexamination Certificate
active
07727455
ABSTRACT:
A method and apparatus for facilitating the creation of holes in a blow molded container is disclosed generally comprising first and second mold portions mounted adjacent each other along a seam and a mechanism for creating holes at the seam. In some embodiments, first and second punches are used to create one hole underneath the container's handle. In some embodiments, a third mold portion is used to create a rose surface and create a plurality of holes therein.
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“Blow Molding Handbook: Technology, Performance, Markets, Economics, The Complete Blow Molding Operation”, ed. Donald V. Rosato and Dominick V. Rosato; Hanser Publishers; New York, 1989; pp. 268-270, 272, 273; 7 pages.
Anderson Jeffrey Scott
Naeve Pamela Jo
Custom-Pak Inc.
Davis Robert B
St. Onge Steward Johnston & Reens LLC
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