Manufacture of plastic containers having internal...

Details Manufacture of plastic containers having internal... Manufacture of plastic containers having internal...

2005-05-13

2008-11-25

McDowell, Suzanne E. (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...

C264S318000, C264S319000, C264S328100

Reexamination Certificate

active

07455808

ABSTRACT:
A method of making a container preform includes providing a mold core having at least one surface recess in the form of negative-mold indicia, and molding a preform around the core such that the preform has internal raised indicia formed by the at least one recess in the core. The preform preferably subsequently is blow-molded to form a container having the raised indicia on an inside surface of the container. This raised indicia on the inside surface of the container may be viewed from outside of the container to confirm that the container is genuine. In accordance with various embodiments of the disclosure, the raised internal indicia may be on the bottom wall, sidewall, shoulder and/or neck of the container.

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U.S. Appl. No. 10/789,8745, filed Feb. 27, 2004 Title: Container Having Fluorescent Indicia.
U.S. Appl. No. 10/793,523, filed Mar. 3, 2004 Title: Container Having Irradiated Indicia.

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