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. 28, 1999
Filed:
Apr. 21, 1997
Applicant:
Inventor:
Mark Ronald Hock, Toledo, OH (US);
Assignee:
Owens-Illinois Closure Inc., Toledo, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B27N / ; B65B / ;
U.S. Cl.
CPC ...
428402 ; 428328 ; 428357 ; 264 453 ; 264118 ; 264319 ; 215200 ;
Abstract
A method of compression molding a closure having a base wall and peripheral skirt with internal threads, a thermoplastic resin blended with metallic particles wherein the particles are added in elliptical or spherical form. The metallic particles are provided in a carrier of resin which is then blended with the resin of the closure and the melt blend is extruded through a nozzle and cut into individual pellets. Each pellet is deposited into the cavity of a mold which is then closed to compression mold a closure.