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:
Mar. 15, 2022

Filed:

Aug. 30, 2018
Applicant:

4c Air, Inc., Sunnyvale, CA (US);

Inventors:

Qiqi Wang, Santa Clara, CA (US);

Lei Liao, Sunnyvale, CA (US);

Baoqiong Guan, Shanghai, CN;

Assignee:

4C Air, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 4/02 (2006.01); D01D 5/00 (2006.01); D01D 4/06 (2006.01); D01D 5/08 (2006.01); B29C 48/05 (2019.01); B29C 48/25 (2019.01); B29C 48/30 (2019.01); D04H 1/728 (2012.01);
U.S. Cl.
CPC ...
D01D 5/0069 (2013.01); B29C 48/05 (2019.02); B29C 48/2566 (2019.02); B29C 48/25686 (2019.02); B29C 48/302 (2019.02); D01D 4/027 (2013.01); D01D 4/06 (2013.01); D01D 5/08 (2013.01); D01D 5/003 (2013.01); D04H 1/728 (2013.01);
Abstract

Disclosed herein are customizable kits of parts for the fabrication of polymer fibers. In some embodiments, the kits provided herein comprise a scaffold comprising first and second opposite surfaces and one or more pores extending through the first and second surfaces, wherein each pore comprises a first channel and a first conjunction interface. The kits additionally comprise a plurality of nozzles, wherein each nozzle comprises a second channel and a second conjunction interface, and wherein the second interface can be removably and stably coupled to the first conjunction interface of each pore while allowing a fluid through the first channel and the second channel. The kits further comprise a plurality of closure structures, wherein each closure structure comprises a third conjunction interface, and wherein the third interface can be removably and stably coupled to the first conjunction interface of each pore to seal the pore. In some embodiments, at least the second channel of each nozzle has an internal diameter configured to allow formation of a fiber.


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