Cylindrical core for manufacturing endless belt-shaped body, and method for manufacturing endless belt-shaped body
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United States of America Patent
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Aug 13, 2013
Grant Date -
Sep 30, 2010
app pub date -
Aug 21, 2009
filing date -
Mar 26, 2009
priority date (Note) -
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Abstract
A cylindrical core for manufacturing an endless belt-shaped body includes a cylindrical portion that includes a cylinder whose cylindrical shape is not maintainable without support when an outer surface thereof is orthogonal to the direction of gravitational force; and flange portions that are detachably mounted on both axial ends of the cylindrical portion, wherein the cylindrical core is used in a method for manufacturing an endless belt-shaped body, the method including applying a coating film forming resin solution onto an outer surface or an inner surface of the cylindrical portion in a state in which the flange portions are mounted on the cylindrical portion; drying a solvent of the coating film forming resin solution; and solidifying the coating film forming resin by heating in a state in which the flange portions are removed, to form the endless belt-shaped body.
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