Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1996-01-08
1998-12-08
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
24 17AP, 264334, 425556, 425438, 425DIG58, B29C 4544
Patent
active
058464735
ABSTRACT:
A method of injection molding a tie that includes an abutment wall surface having at least one tooth facing a pawl that has at least one tooth inside a locking head utilizes a core that defines at least a portion of the abutment surface tooth and at least a portion of a surface of the pawl that includes the at least one pawl tooth. The core is movable in relation to a first other mold part and is separated from a second other mold part not sooner than the first other mold part is separated from the second other mold part to thereby enable (a) the pawl to flex into a space vacated by movement of the first other mold part and (b) the abutment wall to flex into a space also vacated by movement of the first other mold part during separation of the first other mold part from the second other mold part so that the tie can be removed from the mold without significantly damaging either the at least one pawl tooth or the at least one abutment surface tooth.
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Sorensen Jens Ole
Sorensen Soren Christian
Callan Edward W.
GB Electrical Inc.
Heitbrink Jill L.
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