Method of extension blow-molding container having upper and lowe

Details Method of extension blow-molding container having upper and lowe Method of extension blow-molding container having upper and lowe

1989-05-16

1992-03-24

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...

264154, 264167, 264541, 264DIG33, B29C 4904

Patent

active

050986341

ABSTRACT:
A container having upper and lower portions, the lower portion having self-supporting side walls and a bottom wall. The upper portion is flexible and non-self-supporting. Preferably, the upper and lower portions are formed of plastic material with the upper portion forming a unitary continuation of the lower portion. The entire container may be formed using blow molding techniques or other conventional means such as co-extrusion.

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