Mold for forming a container having a continuous neck finish and

Details Mold for forming a container having a continuous neck finish and Mold for forming a container having a continuous neck finish and

1997-07-17

2000-06-20

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

2643281, 425577, 425DIG58, B29C 4537

Patent

active

060774711

ABSTRACT:
A mold for forming a container is provided with an upper die, a lower die, a first semi-cylindrically shaped collar and a second semi-cylindrically shaped collar. The upper die includes a downwardly-depending central core portion which cooperates with a concentric annular lip portion and spaced outwardly from the central core portion defining a groove therebetween sized to provide a continuous neck finish on the container. The lower die is provided with a core-receiving pocket sized to receive the central core portion of the upper die. The first and second collars are disposed in abutting relation and are provided with mating surfaces having thread grooves to form a thread region of the container neck, the first and second collars being sandwiched between the upper and lower dies in a use condition.

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