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US 4,589,563 AGranted
High-pressure container and method of making the same
AssigneeQuality Products, Inc.
InventorGerald W. Born
Life of this patent
Estimating the term…
Abstract
A high-pressure container, and a method and apparatus for making the same, is disclosed having a top portion defined as an injection molded portion. The injection molded portion is provided with rings which are fused to the other portion to provide a strong mechanical interlock therebetween. The top portion is pre-fabricated and then the second portion is blow molded around the top portion.
Claims5
A high-pressure plastic container comprising:
- a neck having a tubular mouth with a longitudinal axis and a disc disposed around said mouth, said disc having an upper surface extending radially away from said axis, with a plurality of upwardly extending rings;
- and
- a blow molded body having a top section coextensive with said disc and engaged by said rings;
- whereby the rings prevent separation between the neck and the body while the container is pressurized.
1 more element
Dependencies are inferred from the claim text.