Apparatus for cooling a mold

Details Apparatus for cooling a mold Apparatus for cooling a mold

1992-04-24

1993-09-28

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

26432816, 425552, B29C 4573

Patent

active

052482502

ABSTRACT:
An apparatus for cooling a mold employed in injection molding machines including a pair of bolt members, each composed of a threaded leg which engages a threaded hole formed at a coolant opening of the mold; a head driven by a fastening tool; a cylindrical body integrally extending between the leg and the head; and a coolant flow path extending from an open end of the leg, through the cylindrical body and to a side opening. The apparatus further includes first and second pipes, each having a main cylindrical portion of the same length as the cylindrical bodies of the pair of bolt members for receiving the bolt members, with a pair of ring packings being disposed above and below the side opening and surrounding the bolt members. The pipes further have secondary cylindrical portions, each integrally protruding sideways from the main cylindrical portion so as to engage one with another liquid-tightly and in a telescoping manner.

REFERENCES:
patent: 4743192 (1988-05-01), Higuchi
patent: 4786244 (1988-11-01), Holzschuh
patent: 4872827 (1989-10-01), Noda
patent: 5055025 (1991-10-01), Muller

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