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:
Jul. 12, 2005
Filed:
Aug. 13, 2002
Applicant:
David Johnson, Amherst, Nova Scotia, CA;
Inventor:
David Johnson, Amherst, Nova Scotia, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C049/04 ; B29C049/48 ; B29C049/64 ;
U.S. Cl.
CPC ...
Abstract
A method of extrusion blow molding is disclosed; the method allows the finished part to have consistent and even wall thickness within a broad range of local mold radii. This result is achieved without resorting to injection blow molding or other common techniques of deforming the parison.