| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold regenerating sheet making it easy to vent the air in a cavity to develop excellent filling properties. SOLUTION: Mold cleaning materials 2 based on an unvulcanized rubbery composition are provided to one side or both sides of a base material sheet 1 comprising a paper sheet or a cloth sheet in a predetermined pattern having air vent gaps in a protruded state. COPYRIGHT: (C)2007,JPO&INPIT
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