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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.:

US 10124526 B1

PDFFull Text
Date of Patent:
Nov. 13, 2018

Filed:

Mar. 06, 2017

Integrated single and twin screw extruder

Applicant:

King Abdulaziz City for Science and Technology, Riyadh, SA;

Inventor:

Fares D. Alsewailem, Riyadh, SA;

Assignee:

KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY, Riyadh, SA;

Attorneys:

Andrew M. Calderon

Roberts Mlotkowski Safran Cole & Calderon, P.C.

Primary Examiner:

Atul P Khare

Int. Cl.
CPC ...
B29C 47/50 (2006.01); B29B 7/46 (2006.01); B29C 47/36 (2006.01); B29C 47/60 (2006.01); B29C 47/66 (2006.01); B29C 47/08 (2006.01); B29B 7/42 (2006.01); B29B 7/48 (2006.01); B29C 47/40 (2006.01); B29C 47/64 (2006.01); B01F 7/08 (2006.01); B01F 15/02 (2006.01); B01F 15/06 (2006.01);
U.S. Cl.
CPC ...
B29C 47/366 (2013.01); B01F 7/082 (2013.01); B01F 15/0235 (2013.01); B01F 15/0251 (2013.01); B29B 7/428 (2013.01); B29B 7/46 (2013.01); B29B 7/465 (2013.01); B29B 7/484 (2013.01); B29B 7/488 (2013.01); B29C 47/0822 (2013.01); B29C 47/0827 (2013.01); B29C 47/365 (2013.01); B29C 47/402 (2013.01); B29C 47/406 (2013.01); B29C 47/50 (2013.01); B29C 47/60 (2013.01); B29C 47/6006 (2013.01); B29C 47/6093 (2013.01); B29C 47/64 (2013.01); B29C 47/661 (2013.01); B29C 47/662 (2013.01); B01F 2215/0049 (2013.01);
Abstract

An extruder is disclosed, and more particularly, to an integrated single screw extruder and a twin screw extruder for mixing, compounding, kneading and/or extruding of materials. The integrated extruder includes a first barrel assembly and a second barrel assembly. The integrated extruder further includes a first screw having a first threaded portion and a second threaded portion. The first threaded portion is housed within the first barrel assembly and is configured to provide upstream material processing. The second threaded portion is housed within the second barrel assembly and is configured to provide downstream material processing. The integrated extruder further includes a second screw having a non-threaded shaft portion and a threaded portion. The threaded portion of the second screw is housed within the second barrel assembly and is configured to provide the downstream material processing with the second threaded portion of the first screw.

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