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Reuseable mold for forming a hollow aggregate filled thermoset article
Reuseable mold for forming a hollow aggregate filled thermoset article
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机译:用于形成中空骨料填充热固性物品的可重复使用模具
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摘要
The present invention is directed to a reuseable mold for casting a hollow form made of an aggregate filled thermosetting resin. The reuseable mold includes an outer mold, made from sheets of thermoplastic resin, and an inner mold, also made from sheets of thermoplastic resin, having a base with plugable opening(s) for connecting an air supply for popping the inner mold from the cast hollow form fabricated in the reuseable mold. The sheets are preferably 1" sheets of polyethylene.
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