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:
Oct. 22, 1991
Filed:
Mar. 13, 1990
Applicant:
Inventor:
Wilhelm Reil, Bensheim, DE;
Assignee:
Tetra Pak Holdings & Finance S.A., Pully, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425190 ; 4251 / ; 425547 ; 425552 ;
Abstract
A tool for the injection molding of synthetic plastics to form a plastic top on a paper tube container has an inner mold and a two-part outer mold in which two steel mold parts are adapted to be applied against each other in sealing-tight manner along a plane of separation and moved away from each other again. The injection molding cavity is formed by a surface contour attachment disposed on the mold parts. Cooling spaces are disposed behind the surface contour attachment on the side remote form the injection molding cavity.