发明授权
US3743468A Apparatus for making shaped bodies 失效
制作造型机构的装置

Apparatus for making shaped bodies
摘要:
An apparatus for producing coherent shaped bodies from granular material. The granular material is confined in a mold and the mold is subjected to vibratory motions requisite for compacting the granular material. In accordance with the invention the frequency of the vibratory motions is continuously varied.
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