Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Plural sequential shaping or molding steps on same workpiece
Reexamination Certificate
2006-04-11
2006-04-11
Mancene, Gene (Department: 3754)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Plural sequential shaping or molding steps on same workpiece
Reexamination Certificate
active
07025922
ABSTRACT:
A method of manufacturing a plastics material bellows, wherein a preform is made by molding plastics material in a mold, the mold having preferred deformation zones, and then before the part has completely left the mold, the bellows is formed by folding the preform in the preferred deformation zones, with the resulting bellows being open at both ends.
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French Search Report dated Apr. 5, 2001 and referenced which are copied herein.
"L'Oreal"
Buechner Patrick M
Hunton & Williams LLP
Mancene Gene
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