公开(公告)号：US3898029A

公开(公告)日：1975-08-05

申请号：US39782773

申请日：1973-09-17

Applicant: STANDARD OIL CO INDIANA

Inventor： KRUEGER DAVID F ,  KALISZEWSKI EDMOND S

IPC: B29C49/04 ,  B29C49/20 ,  B29C49/60 ,  B29C5/06

CPC classification number: B29C49/20 ,  B29C49/04 ,  B29C49/60 ,  B29C2049/2008 ,  B29C2049/2017 ,  B29C2049/2043

Abstract: In a blow-molding operation, a method of forming a recessed area in the exterior wall of the parison and maintaining the recessed area in a heated condition while the remainder of the parison is formed and cooled. Also an apparatus (ram means) employed in such a method comprising (a) an arm, (b) a head and (c) a tip. The method and apparatus find application where a gripping-action is desired or required between the fabricated product and another sub-assembly.

Abstract translation: 在吹塑操作中，在形成并冷却型坯的其余部分的同时，在型坯的外壁中形成凹陷区域并将凹陷区域保持在加热状态的方法。 还有一种用于这种方法的装置（压头装置），包括（a）臂，（b）头部和（c）尖端。 该方法和装置找到在制造的产品和另一个子组件之间需要或需要夹紧作用的应用。