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. 14, 2015
Filed:
Dec. 19, 2009
Martin Vad, Randers NØ, DK;
Morten Holst Bogh, Hobro, DK;
Martin Vad, Randers NØ, DK;
Morten Holst Bogh, Hobro, DK;
Grundfos Management a/s, Bjerringbro, DK;
Abstract
A method for injection molding a pump impeller () of plastic, with which the cores which define the flow channels () in the inside of the impeller (), are formed in each case of at least two core parts (). After the injection molding, a first core part () is firstly pulled out of the flow channel () and subsequently, an additional relative movement between the impeller () and the core part () is effected in a direction transverse to the pulling direction of the second core part (), before or during the pulling-out of a second core part ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile