Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NOVEL AIRTIGHT PROTECTIVE MASK
Document Type and Number:
WIPO Patent Application WO/2020/103656
Kind Code:
A1
Abstract:
A novel airtight protective mask, comprising: a mask body (10) sequentially provided with at least one outer layer (11), one middle layer (13), and one inner layer (15); at least two airtight sheets (20) respectively fixed at two sides of the mask body (10), each airtight sheet (20) comprising a fixing portion (21) and a tight fit portion (23) extending out from the fixing portion (21), the fixing portion (21) covering one side of the mask body (10) and being fixedly connected to the outer layer (11) and the inner layer (15) and the inner layer (15), and the tight fit portion (23) being arranged in the direction of the corresponding inner layer (15); two fixing blocks (30), each fixing block (30) being connected to the airtight sheet (20) and the mask body (10), and the fixing block (30) comprising an upper fixing region (31) and a lower fixing region (32), the upper and lower fixing regions (31, 32) being welded to the mask body (10) respectively corresponding to the upper and lower ends of the tight fit portion (23); and a lanyard group (40), comprising two lanyards (41), the two lanyards (41) being connected to the two sides of the mask body (10), respectively. The airtight sheet (20) covers one side of the mask body (10) and is fixedly connected to the outer layer (11) and the inner layer (15), so that the protective mask can be formed in one step, and thus, the manufacturing and structure are simple, and production costs are low.

Inventors:
CHENG YUNG-CHU (CN)
CHENG CHIEN-FENG (CN)
CHENG YU-LIANG (CN)
Application Number:
PCT/CN2019/114279
Publication Date:
May 28, 2020
Filing Date:
October 30, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MOTEX HEALTHCARE CORP (CN)
International Classes:
A41D13/11
Foreign References:
CN209202201U2019-08-06
CN105813696A2016-07-27
JP6362922B22018-07-25
CN107319652A2017-11-07
CN207151984U2018-03-30
CN108601413A2018-09-28
CN108348018A2018-07-31
Attorney, Agent or Firm:
JEEKAI&PARTNERS (CN)
Download PDF: