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:
Apr. 26, 2022
Filed:
Aug. 15, 2016
Applicant:
The Board of Regents of the University of Oklahoma, Norman, OK (US);
Inventor:
Robert L. Shambaugh, Norman, OK (US);
Assignee:
The Board of Regents of the University of Oklahoma, Norman, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01D 5/098 (2006.01); B29C 48/05 (2019.01); B29C 48/00 (2019.01); D04H 3/16 (2006.01); D01D 4/02 (2006.01); D04H 1/56 (2006.01);
U.S. Cl.
CPC ...
D01D 5/0985 (2013.01); B29C 48/0018 (2019.02); B29C 48/05 (2019.02); D04H 3/16 (2013.01); B29C 2791/007 (2013.01); D01D 4/025 (2013.01); D04H 1/565 (2013.01);
Abstract
A melt blowing apparatus and method includes a melt blowing die and at least one louver. The melt blowing die has a nosepiece comprising at least one aperture and at least one air slot adjacent the aperture. The at least one louver is movably positioned adjacent a face of the melt blowing die forming a zone through which can pass air and molten filaments from the air slots and nosepiece of the melt blowing die.