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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 12594703 B1

PDFFull Text
Date of Patent:
Apr. 07, 2026

Filed:

Dec. 07, 2023

Cylindrical brush and method of manufacture

Applicant:

Tech Core Pva, Llc, Rocklin, CA (US);

Inventors:

Briant Benson, Placerville, CA (US);

Michael Dobbins, Citrus Heights, CA (US);

Brian Cooper, Citrus Heights, CA (US);

David Ottman, Carmichael, CA (US);

Maxim Nesmiyan, Antelope, CA (US);

Assignee:

TCNV, LLC, Minden, NV (US);

Attorneys:

Temmerman Law

Matthew J. Temmerman

Primary Examiner:

Eldon T Brockman

Int. Cl.
CPC ...
B29C 45/26 (2006.01); A46B 3/00 (2006.01); A46B 9/00 (2006.01); A46B 9/02 (2006.01); A46B 9/12 (2006.01); A46B 11/06 (2006.01); A46B 13/00 (2006.01); A46B 13/04 (2006.01); A46D 1/00 (2006.01); B29C 45/00 (2006.01); B29C 45/17 (2006.01); B29C 45/40 (2006.01); B29K 31/00 (2006.01); B29K 105/04 (2006.01); B29L 31/42 (2006.01);
U.S. Cl.
CPC ...
B29C 45/2626 (2013.01); A46B 3/005 (2013.01); A46B 9/005 (2013.01); A46B 9/025 (2013.01); A46B 9/026 (2013.01); A46B 9/12 (2013.01); A46B 11/063 (2013.01); A46B 13/005 (2013.01); A46B 13/04 (2013.01); A46D 1/0207 (2013.01); B29C 45/0001 (2013.01); B29C 45/1756 (2013.01); B29C 45/2602 (2013.01); B29C 45/40 (2013.01); A46B 2200/3073 (2013.01); B29K 2031/04 (2013.01); B29K 2105/04 (2013.01); B29L 2031/42 (2013.01);
Abstract

A method for manufacturing a cylindrical brush of a cleaning tool, comprises a cylindrical brush having a core member, a plurality of rail plates, a plurality of polyvinyl alcohol (PVA) nodule foam bars and a pair of end caps. The core member includes an outer wall having a plurality of core holes and a pair of openings. The plurality of rail plates having a plurality of rail holes arranged along the outer wall of the core member. The plurality of polyvinyl alcohol (PVA) nodule foam bars is installed at each of the plurality of rail plates such that each of a plurality of nodules of the PVA nodule foam bar aligns with the plurality of core holes and with the plurality of rail holes. The pair of end caps encloses the pair of openings of the core member.

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