Molding apparatus with positive collapse core

Details Molding apparatus with positive collapse core Molding apparatus with positive collapse core

1982-12-06

1984-06-26

Czaja, Donald E.

Static molds

Container-type molding device

And an inner removable core to form recess or opening

249 59, 249178, 425438, 425DIG58, B22C 924

Patent

active

044562144

ABSTRACT:
A molding core has side by side segments assembled for rocking about pivots intermediate their ends, and are rocked to their alternate positions by an actuating pin (or pins) having camming surfaces for that purpose, arranged for non-interference of the pin with the rocking movements of the segments.

REFERENCES:
patent: 3618170 (1971-11-01), Owens
patent: 3660001 (1972-05-01), Roehr
patent: 4130264 (1978-12-01), Schroer

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