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:
Jun. 29, 2021
Filed:
Jun. 10, 2015
Kao Corporation, Tokyo, JP;
Hideshi Oda, Funabashi, JP;
Yasuto Saita, Setagaya-ku, JP;
Katsutoshi Hara, Utsunomiya, JP;
Keiji Yoshii, Soka, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
A steam heating mask having a mask body portion covering a nose and a mouth of a wearer when wearing the mask, a pair of ear hook portions provided at both left and right ends of the mask body portion, and a steam generator on the mask body portion, in which a proportion of an area occupied by the steam generator ranges from 30% to 80% with respect to an area of an entire surface of the mask body portion on a side of the wearer. The steam generator includes a first sheet on a surface of a steam generating portion on the side of the wearer with degree of air permeability being equal to or less than 7,000 sec/100 ml and a second sheet on a surface opposite to the surface of the steam generating portion with a degree of air permeability being greater than 8,000 sec/100 ml.