Patent ID: 9144946
Filing Date: 2015-09-29
Classification: B29D

Abstract:
1. A method for controlling the volume of a product that is to be placed in a mold comprising: providing a mold and a portable mold core; providing a core rotation spindle assembly to which the portable mold core is attached during a weighing step, wherein the core rotation spindle assembly includes a sensor subassembly that is used to weigh the tire tread or tire during the weighing step; attaching the portable mold core to the core rotation spindle before laying down layers of products to form the tire tread or tire, moving the core and spindle to various tire building stations; laying one or more layers of products on the portable mold core to form a tire tread or tire; weighing the tire tread or tire by detaching the core rotation spindle from the portable mold core, taring the core rotation spindle, and attaching the core rotation spindle to the portable mold core and determining the weight of the tire tread or tire; and placing the tire tread or tire and portable mold core into the mold when the weight of the tire tread or tire is within acceptable parameters.