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Tarheel composition rollers are made by heating a mixture of hide glue, glycerin, water and orange pigment.
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Specific amounts of each raw material is combined b weight for each batch of rollers.
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Molding tubes and core centering stars line one wall of the roller casting shop, with the pressure kettle in the foreground.
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Rollers for recasting are stripped of old material.
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Old roller material is hand cut from cores with a sharp knife.
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Steel cores are scrubbed clean by hand with a wire brush under hot water.
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Jute twine is strung on steel cores to ensure composition bonds to surface.
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Twine is wound and looped tightly without the use of knots.
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Roller boxes are hand made to support a set of rollers.
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Each box is custom built for a specific size roller.
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Roller boxes are produced according to quality standards.
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Core supports are precisely marked to keep rollers from touching.
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Roller box support blocks are drilled to fit specific roller core diameters.
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Tarheel Roller manufactures a variety of box sizes to accomodate any number of rollers.
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Composition rollers are cast in a Gatlin gun style casting mold.
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Prior to casting, each tube is cleaned with kerosene then swabbed with a special release.
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Tarheel Roller uses the original composition roller guns from W.F. Isley Company.
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Composition ingredients are mixed and melted in a steam heated, double-walled copper kettle.
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The copper mixing kettle can melt a batch of about 150 lbs of liquid composition material.
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Following casting, roller ends are trimmed to proper length wth an end trimming machine.
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Each set of rollers is fitted in boxes for shipping.
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Newly cast rollers are all given a final inspection.
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Wooden shipping and storage boxes carry the Tarheel Roller logo.
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A composition brayer roller is used for inking the metal cut of the Tarheel Roller logo.
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