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:
Apr. 25, 2000
Filed:
Mar. 09, 1998
Applicant:
Inventors:
Manfred A Lupke, Thornhill, Ontario, CA;
Stefan A Lupke, Thornhill, Ontario, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264348 ; 264508 ; 264568 ; 264573 ; 4253261 ; 425446 ;
Abstract
A method of forming a plastic product comprises extruding molten plastic into a mold having a mold wall with product shaping interior face. After shaping the product in the mold, the method includes introducing gas via a gas inlet through the mold wall onto the product to cool both the product and the mold and then discharging the gas from the mold at a location remote from the gas inlet.