Husky Injection Molding Systems Ltd. designed its new line of hot sprues, called the 250 and 500 series, for prototype molding and single cavity molds.
The sprues use a single-drop nozzle that has the same design of standard nozzles used on multicavity molds. The nozzle is secured to the mold base by an adapter, which supports the nozzle during injection.
Hot sprues can be retrofit on molds that have cold sprue bushings, according to Husky of Bolton, Ontario. Husky's Milton, Vt., operations developed the sprues.
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