发明名称 REMOVABLE CORE FOR USE IN AN INJECTION MOLDING PROCESS, AND METHOD FOR MANUFACTURING A HOLLOW INJECTION MOLDED PRODUCT
摘要 <p>The invention relates to a removable core of a biodegradable, moldable material for use in an injection-molding process for manufacturing a hollow-walled injection molded product. The invention further relates to a method for manufacturing a hollow-walled injection molded product, comprising injecting an injection molding material into a mold, in which a core according to the invention is placed, and removing the core. Moreover, the invention relates to the use of a biodegradable, moldable material as removable core in an injection molded product.</p>
申请公布号 WO1998013183(A1) 申请公布日期 1998.04.02
申请号 NL1997000537 申请日期 1997.09.25
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