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US4215089A Method for blow molding hollow article with integrally bonded attachment 失效
具有整体结合附件的中空制品吹塑方法

Method for blow molding hollow article with integrally bonded attachment
摘要:
A method for making a hollow plastic article having a separate full ring-shaped member bonded to the article within the blow mold. Separate halves of the ring-shaped member are inserted into respective halves of the blow mold and such member halves are joined to form a full ring when the blow mold halves are closed. A parison is blow molded within the closed mold and bonds to the ring-shaped member held in the mold.
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