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Patent Searching and Data


Title:
PROTECTIVE MASK FOR HAZE AND FABRICATING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/248148
Kind Code:
A1
Abstract:
A protective mask for haze and a fabricating method therefor. The protective mask for haze comprises a mask body and earloops (13). The mask body comprises a primary mask body (1) and a secondary mask body (2). The secondary mask body (2) is connected to the primary mask body (1). The secondary mask body (2) comprises a breathing piece (3) located at a position in front of the mouth and nose tip; the breathing piece (3) is also disposed on the primary mask body (1), and the breathing piece (3) is provided with a breathing valve (4). The mask body is divided into a breathing cavity (15) and haze preventing cavities (14). Both the primary mask body (1) and the secondary mask body (2) have filter layers. Also disclosed is a fabricating method for a protective mask for haze provided with fitting mechanisms on the edges of a primary mask body (1) and a secondary mask body (2), comprising the following steps: S1, production of the primary mask body (1); S2, production of the secondary mask body (2); S3, installation of the fitting mechanism; S4, connection of the primary mask body (1) and the secondary mask body (2). The mask body of the present mask can closely fit the face, so as to prevent the haze from being sucked into the human body due to seal leakage of the mask body. The present mask is suitable for people such as students, the elderly, outdoor workers, and pregnant women to prevent the human body from being harmed by atmospheric haze pollution.

Inventors:
GE BEIYU (CN)
Application Number:
PCT/CN2019/090834
Publication Date:
December 17, 2020
Filing Date:
June 12, 2019
Export Citation:
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Assignee:
GE BEIYU (CN)
International Classes:
A41D13/11; A41D27/00
Domestic Patent References:
WO2016042623A12016-03-24
Foreign References:
CN208875443U2019-05-21
CN206895872U2018-01-19
CN207803525U2018-09-04
US20110308525A12011-12-22
CN208192246U2018-12-07
CN208403330U2019-01-22
CN208807664U2019-05-03
Attorney, Agent or Firm:
SHIJIAZHUANG KECHENG PATENT OFFICE (GENERAL PARTNERSHIP) (CN)
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