TRANSFER RING OR DRUM APPARATUS WITH ADJUSTABLE CIRCUMFERENCE
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Feb 27, 2014
filing date -
Feb 27, 2014
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Abstract
An apparatus is used in the manufacture of a pneumatic tire. The apparatus includes a longitudinal axis and a plurality of arcuate segments defining an arc of a cylindrical surface such that the arcuate segments collectively define the cylindrical surface and the arcuate segments are supported for movement radially relative to the longitudinal axis for adjusting the circumference of the cylindrical surface. Each arcuate segment includes at least one of two side sections of each arcuate segment having a row of spaced fingers corresponding in a fitted arrangement with gaps of an adjacent arcuate segment such that, as the circumference is adjusted and the side sections of each segment hingedly move relative to an intermediate section about a corresponding pivot axis, the fingers move into and out of the gaps provided between the fingers of the adjacent arcuate segment. The fingers and gaps both are tapered at a taper angle relative to the circumferential direction of the apparatus.
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