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:
Nov. 01, 1983
Filed:
Feb. 04, 1982
Applicant:
Inventor:
Kashiwa Murayama, Fujisawa, JP;
Assignee:
Japan Crown Cork, Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ; B29F / ;
U.S. Cl.
CPC ...
425114 ; 425110 ; 4251 / ; 425127 ; 425809 ;
Abstract
A method for forming a liner of the desired shape in a container closure, and an apparatus for carrying out this method. The method involves extruding a liner stock in the heated and molten state into an annular shape by an extruder, positioning the annular liner stock at a predetermined location in a closure, and molding the annular liner stock positioned in the closure into the desired shape while it is still in the molten state.