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:
Sep. 09, 1986
Filed:
Nov. 28, 1984
James M Taber, Chicago, IL (US);
Stephen J Kras, Chicago, IL (US);
Continental White Cap, Inc., Northbrook, IL (US);
Abstract
This relates to a mold for forming closure caps and like cap-like members having a peripheral body with internal threads. The mold is constructed to have an irregular parting line with the result that a major part of the body of the closure cap may be externally defined by that mold member which is moved to an out-of-the-way position when the mold is opened, leaving the injection molded closure cap body free for radial expansion and thus permissible stripping of the closure cap from the core about which it is molded. This construction eliminates the customary ejector sleeve and permits the base mold member to function as an ejector block for directly stripping the molded closure cap from the core. This construction permits mating tapered surfaces on the base mold member and the core which form a seal and do not have relative sliding contact, thereby eliminating previous undesired wear surfaces. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.