Apparatus for removing waste material from a plastic article

Claim 1

In an apparatus for blow molding hollow, plastic articles from tubular plastic parisons which includes a split blow mold having two halves, two individual mold suport means, one of each support means being attached to one of each individual mold half and extending below the bottom forming end of the respective mold half, power means to move each individual support means and each associated mold half to open and close said split blow mold; said hollow plastic article while being enclosed and supported by said mold halves having a tail attached thereto which depends from the bottom forming ends of said mold halves; an improved tail grasping assembly for removing said tail from said hollow article comprising: a. a first and a second assembly support means, said first assembly support frames being adjustably attached to one of said two mold support means and said second assembly support frame being attached to the other of said mold support means, said first and second assembly support frames being positioned below said bottom-forming ends of said mold halves; b. first and second fluid power cylinders, said first fluid power cylinder being attached to said first assembly support frame and said second fluid power cylinder being attached to said second support frame, said first and second cylinders each having a piston rod extending therefore towards said bottomforming end of said mold halves; and c. first and second grasping arms, said first grasping arm being pivotally attached to said first assembly support and to said first piston rod, and said second grasping arm being pivotally attached to said second assembly support frame and to said second piston rod, said first and second grasping arms being located immediately adjacent to the bottom-forming end of said mold halves and together adapted to engage between them the depending tail for removal from said hollow article upon actuation of said first and second fluid power cylinders.