Transfer molding insulation unit

Details Transfer molding insulation unit Transfer molding insulation unit

B - Operations, Transporting

29

C

18/709

B29C 45/02 (2006.01)

Patent

CA 1044415

TRANSFER MOLDING INSULATION UNIT ABSTRACT OF THE DISCLOSURE An apertured insulation unit is disclosed for interposition between a mold having at least one cavity in which elastomeric stock can be cured in the form of said cavity and an injection unit from which elastomeric stock can be expelled and transferred through the in- sulation unit to the mold cavity, the mold and injection unit being movable axially relative to one another into and out of pressing association with respective opposite side-faces of the insulation unit. The insulation unit serves to prevent curing of elastomeric stock remaining in the injection unit with the curing of a portion of such stock transferred to the cavity, without separation from the insulation unit of the mold or injection unit. The insulation unit is at least in part in the form of a thin, flexible, apertured plate constituted of a thermal- insulatory material which is engageable and forms a part- ing line with the mold.

221085

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