Method and apparatus for making a blister pack with indicia

Details Method and apparatus for making a blister pack with indicia Method and apparatus for making a blister pack with indicia

2005-05-10

2005-05-10

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Stretching or stretch forming

C264S293000

Reexamination Certificate

active

06890472

ABSTRACT:
The invention herein relates to a method and apparatus for forming (or cold-forming) an embossed blister from a laminated film wherein an indicia is formed on the base of the blister. In particular, the invention involves a single pass process of combining the formation of a blister and the formation of an indicia (embossing) on the blister, wherein the blister-forming pin contains a face with an indicia and is adapted to controllably stretch the laminated film during blister formation to minimize stretching of the film at the base of the blister. The invention is particularly useful in manufacturing processes which involve the formation of blisters having laminated films which contain a metal foil and polymer layer, wherein improved control in the stretching of the laminate during blister formation is desirable.

REFERENCES:
patent: 5457895 (1995-10-01), Thompson et al.
patent: 0563934 (1993-10-01), None
patent: 0646367 (1997-05-01), None
patent: 0710101 (1998-05-01), None
patent: 0905042 (1999-03-01), None
patent: WO-9721534 (1997-06-01), None
patent: WO-9908857 (1999-02-01), None
patent: WO-0009313 (2000-02-01), None

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