| 摘要 |
PURPOSE: A method for manufacturing a resin vessel is provided to prevent ink from being worn away by forming a groove at the outer circumference of the vessel and filling the groove with the ink. CONSTITUTION: A method for manufacturing a resin vessel comprises the steps of: melting resin; injecting melted resin into a couple of molds, and pressing the resin into the vessel; coating the vessel with melamine resin; separating the vessel from the molds; forming a groove at the outer circumference of the vessel; filling the groove with ink; and treating the vessel with heat.
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