Preform for making a plastic container

Details Preform for making a plastic container Preform for making a plastic container

1997-03-19

1998-08-11

Nold, Charles

Stock material or miscellaneous articles

Article of intermediate shape

215 121, B65D 102, B65D 2300

Patent

active

057925631

ABSTRACT:
A preform (1), a method for blow molding a bottle, and a bottle (13) formed from the perform and by the method are disclosed for use with beverages and the like wherein the bottles usually contain such beverages under pressure. The preform is shaped so that the resultant bottle is provided with a product-containing portion having a preferred hemispherical end portion and an integral bottom portion including a void therein for defining a hollow base portion (4, 12) which, in one form, contains fluid under pressure for balancing pressure related to the pressurized product. The hollow base portion provides for efficient use of material, and a minimal number of manufacturing steps, for providing for a stable base for the hemispherical end portion (11) of the product containing portion of the bottle.

REFERENCES:
patent: 4403706 (1983-09-01), Mahajan

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