Matrix mold for making stackable containers

Details Matrix mold for making stackable containers Matrix mold for making stackable containers

1985-10-03

1986-09-02

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

249 74, 249122, 249136, 249142, 249151, 249155, 249176, 249181, 425537, 425556, B29C 3926, B29C 4948

Patent

active

046093397

ABSTRACT:
The invention relates to a matrix mold, in which at least one mold cavity is bounded by the head of an ejector at the lower opening of a cup, from which in the substantially truncated conical wall of this cup, widening upward, facing the interior, by at least two grooves in the lower part of the cup and by teeth disposed in the interior of these groove, which are radially slidable in a radial direction by an eccentric arrangement, and in which the diameter of the head is greater than the smallest diameter of the mold cavity.

REFERENCES:
patent: 3995763 (1976-12-01), Ayres et al.
patent: 4533312 (1985-08-01), Von Holdt

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