Title:
METAL FACE FRAME FOR PRESSING MASK
Document Type and Number:
WIPO Patent Application WO/2022/247588
Kind Code:
A1
Abstract:
A metal face frame for pressing a mask (18). The metal face frame comprises a face frame body (1) capable of surrounding the mouth and nose; the face frame body (1) is provided with a sealing member (5) for pressing the mask (18) on the face of a human body; the middle of the face frame body (1) is provided with a breathing channel for air in and out; the face frame body (1) is connected to the sealing member (5); the face frame body (1) is provided with a hanging rope mounting structure for being connected to a rope or elastic band (3) sleeved on the head; the face frame body (1) is an annular metal plate; a user can bend the metal plate to be in a shape matching the face then to use the metal plate; and the face frame body (1), the sealing member (5), the mask (18), and the face of the human body are sequentially placed from the outside to the inside. The face frame body (1) is configured to be the metal plate, and when in use, the metal plate is bent to be in a shape roughly attached to the face, and then the remaining gap is filled with a liquid air bag (2) or a soft rubber body, so that the mask (18) is fully attached to the face of the human body, and thus air is prevented from entering and exiting from the gap between the face and the mask (18).
Inventors:
XIONG CHANGLUN (CN)
Application Number:
PCT/CN2022/090837
Publication Date:
December 01, 2022
Filing Date:
May 02, 2022
Export Citation:
Assignee:
SHENZHEN NANI TECH CO LTD (CN)
International Classes:
A41D13/11
Foreign References:
| CN112716076A | 2021-04-30 | |||
| CN212212766U | 2020-12-25 | |||
| CN104287221A | 2015-01-21 | |||
| CN101897484A | 2010-12-01 | |||
| CN111588126A | 2020-08-28 | |||
| US6062222A | 2000-05-16 | |||
| CN215992846U | 2022-03-11 |
Download PDF: