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.

Date of Patent:
Feb. 19, 2019

Filed:

Apr. 16, 2012
Applicant:

Babu Padmanabhan, Bangalore, IN;

Inventor:

Babu Padmanabhan, Bangalore, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 7/48 (2006.01); B29C 47/62 (2006.01); B29C 47/08 (2006.01); B29C 47/60 (2006.01); B29C 47/40 (2006.01);
U.S. Cl.
CPC ...
B29B 7/489 (2013.01); B29B 7/482 (2013.01); B29C 47/0861 (2013.01); B29C 47/6056 (2013.01); B29C 47/6075 (2013.01); B29C 47/627 (2013.01); B29C 47/402 (2013.01);
Abstract

A dispersive mixing element for co-rotating twin screw extruder is disclosed. The element for co-rotating twin screw extruder comprises of a continuous flight helically formed thereon having a lead 'L', wherein either the flight transforms at least once from an integer lobe flight into a non-integer lobe flight in a fraction of the lead 'L' and transforms back to an integer lobe flight in a fraction of the lead ‘L’ or the flight transforms at least once from a non-integer lobe flight into an integer lobe flight in a fraction of the lead ‘L’ and transforms back to a non-integer lobe flight in a fraction of the lead ‘L’.


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