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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 11198952 B1

PDFFull Text
Date of Patent:
Dec. 14, 2021

Filed:

Jul. 26, 2018

Filament production device

Applicant:

Pall Corporation, Port Washington, NY (US);

Inventors:

Dietmar Oechsle, Schwäbisch Gmünd, DE;

Christian Dahlberg, Bempflingen, DE;

Erik Mueller, Benningen, DE;

Werner Wietschorke, Stuttgart, DE;

Steffen Key, Magstadt, DE;

Assignee:

PALL CORPORATION, Port Washington, NY (US);

Attorney:

Leydig Voit & Mayer, Ltd.

Primary Examiner:

Timothy Kennedy

Assistant Examiner:

Olukorede Esan

Int. Cl.
CPC ...
D01D 5/24 (2006.01); B29C 48/10 (2019.01); B29C 48/29 (2019.01); B29C 48/285 (2019.01); B29C 48/255 (2019.01); B01D 69/08 (2006.01); B01D 67/00 (2006.01); D01D 10/00 (2006.01); D01D 5/38 (2006.01); B01D 71/34 (2006.01); B01D 71/68 (2006.01); B29K 27/00 (2006.01); B29K 81/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
D01D 5/24 (2013.01); B01D 67/0006 (2013.01); B01D 69/085 (2013.01); B01D 69/087 (2013.01); B01D 71/34 (2013.01); B01D 71/68 (2013.01); B29C 48/10 (2019.02); B29C 48/2556 (2019.02); B29C 48/29 (2019.02); B29C 48/297 (2019.02); D01D 5/38 (2013.01); D01D 10/00 (2013.01); B01D 2323/34 (2013.01); B01D 2323/42 (2013.01); B29K 2027/16 (2013.01); B29K 2081/06 (2013.01); B29L 2031/755 (2013.01); D10B 2321/042 (2013.01); D10B 2331/06 (2013.01); D10B 2505/04 (2013.01);
Abstract

A filament production device, in particular a filament reaction-spinning production device, comprising at least one spinning nozzle unit, which is provided for producing at least one filament formed as a hollow fibre membrane from at least one polymer solution, and comprising a polymerisation unit, which is provided for initiating a polymerisation of the polymer solution, wherein the polymerisation unit is provided for initiating the polymerisation at least partially within the spinning nozzle unit.

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