The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 2000
Filed:
Mar. 17, 1998
Lothar Schweigert, Incline Village, NV (US);
Ui Hwan O, Los Angeles, CA (US);
Other;
Abstract
An injection molding apparatus and method of injection molding a closure having projections extending inwardly from a skirt of the closure includes a plurality of slides for movement obliquely with respect to an inner mold core. A ring contacts the closure and surrounds the slides. Movement of the ring relative to the mold core results in the movement of the closure which moves the slides to disengage recesses on the slides. The recesses are used to form the projections on the closure. The ring contacts the closure and advances the closure away from the mold core. The projections seated within the recesses on the slides move the slides obliquely relative to the mold core and ultimately disengage the recesses from the projections thereby releasing the closure from the mold. The movement of the slides is independent from the movement of the ring so that complicated mechanisms for movement of the slides are not required according to this invention.