Spacer washer for use with injection mold
AssigneeProgressive Components International Corporation
InventorsMichael Steven Bokich, Glenn Starkey
Life of this patent
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Abstract
A mold assembly including a spacer positioned or disposed between a back-up plate and a cavity block, the mold assembly, and a method of coupling the back-up plate and the cavity block of the mold assembly using a fastener including the spacer substantially as described above, in order to provide spring-loaded self-adjusting alignment between mating mold inserts.
Claims20
A spacer for aligning a back-up plate and a cavity block of a mold assembly, the spacer comprising:
- the spacer having an aperture with an inner diameter sized to be press fitted on an unthreaded portion of an outer surface of a fastener, for positioning and/or aligning the fastener within the aperture of the back-up plate and/or for aligning a threaded portion of the fastener with a corresponding threaded aperture of the cavity block.
A mold assembly comprising:
- a spacer disposed between a back-up plate and a cavity block, the spacer having an aperture with an inner diameter sized to be press fitted on an unthreaded portion of an outer surface of a fastener, for positioning and/or aligning the fastener within the aperture of the back-up plate and/or for aligning a threaded portion of the fastener with a corresponding threaded aperture of the cavity block.
A method for coupling a back-up plate and a cavity block of a mold assembly using a fastener including a spacer for providing a spring-loaded self-adjusting alignment between mating mold inserts, the method including the steps of aligning a back-up plate and a cavity block of a mold assembly with a spacer, the spacer having an aperture with an inner diameter sized to be press fitted on an unthreaded portion of an outer surface of the fastener, for positioning and/or aligning the fastener within the aperture of the back-up plate and/or for aligning a threaded portion of the fastener with a corresponding threaded aperture of the cavity block.
Dependencies are inferred from the claim text.