Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Patent
1991-01-16
1992-06-16
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
425525, 425529, B29C 4910
Patent
active
051223252
ABSTRACT:
A blown bottle useful for containing a carbonated beverage bottle is formed with an annular swingle thickness depending skirt formed integrally with the bottle bottom providing a self-standing support for the bottle.
A parison or preform for the blow molding of bottle is formed with a rounded, closed bottom portion and a cylindrical and integral annular single thickness skirt portion, for use in blow molding of a carbonated beverage bottle having an integral skirt for free-standing.
The method of making a self-standing bottle, such as for carbonated beverages and the like, includes the forming of a bottle preform with an annular depending skirt which surrounds a closed bottom portion, and blowing the preform while gripping the skirt portion and spreading it outwardly and downwardly in relation to the orientation of the bottle to form an annular support skirt or platform in the blown bottle.
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Bartley Harold D.
Gaiser William R.
Broadway Companies, Inc.
Silbaugh Jan H.
Timm Catherine
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