# US 2021/0274860 A1 · Mask Capable of Protecting Spectacles against Mist

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- Number: US 2021/0274860 A1
- Document ID: US20210274860A1
- Status: Published application
- Kind: A1
- Application number: 16/833,659
- Filed: 2020-03-29
- Published: 2021-09-09
- Earliest claimed: 2020-03-05
- Assignees: Putian Jianqiang Sewing Equipment Co., Ltd.
- Applicants: Putian Jianqiang Sewing Equipment Co., Ltd.
- Inventors: Zhijian Lin; Zhiqiang Lin; Yanzhong Xu
- Web page: https://patentgrep.com/patent/US20210274860A1

## CPC

- A41D 13/11: Protective face masks, e.g. for surgical use, or for use in foul atmospheres (eye-masks A61F9/04 {; hoods affording protection against heat or harmful chemical agents A62B17/04})
- A41D 13/1115: {with a horizontal pleated pocket}
- A41D 31/125: {Moisture handling or wicking function through layered materials}
- A41D: OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES

## Abstract

The invention relates to the field of sanitary products, in particular to a mask capable of preventing spectacles against mist. The mask comprises a mask body having an external surface and an internal surface, and a sponge strip fixedly connected to an upper part of the internal surface of the mask body. The side, away from the mask body, of the sponge strip is concave-convex to fit the nose bridge. The invention has the following beneficial effects: the sponge strip can well fit the nose bridge of the face of a wearer in shape, the sponge strip is compressible, the sponge strip will be squeezed by the mask body and the face of the wearer to deform to perfectly fit the face of different wearers; and the sponge is soft, so that the wear comfort of the mask can be improved.

## Claims

### Claim 1

A mask capable of preventing spectacles against mist, comprising a mask body having an external surface and an internal surface, and a sponge strip, wherein:
the sponge strip is fixedly connected to an upper part of the internal surface of the mask body; and
a side, away from the mask body, of the sponge strip is concave-convex to fit a nose bridge.

### Claim 2 (depends on 1)

The mask capable of preventing spectacles against mist according to claim 1, further comprising a silica gel layer fixedly connected to the side, away from the mask body, of the sponge strip.

### Claim 3 (depends on 1)

The mask capable of preventing spectacles against mist according to claim 1, wherein a trough and two ridges are arranged on the side, away from the mask body, of the sponge strip, the trough is located in a middle of the trough, and the two ridges are symmetrically arranged on two sides of the trough.

### Claim 4 (depends on 3)

The mask capable of preventing spectacles against mist according to claim 3, wherein the sponge strip has a height of 6 mm-16 mm.

### Claim 5 (depends on 3)

The mask capable of preventing spectacles against mist according to claim 3, wherein the trough of the sponge strip has a thickness of 1 mm-10 mm, and the ridges of the sponge strip have a thickness of 5 mm-15 mm.

### Claim 6 (depends on 5)

The mask capable of preventing spectacles against mist according to claim 5, wherein the trough of the sponge strip has a thickness of 3 mm, and the ridges of the sponge strip have a thickness of 10 mm.

### Claim 7 (depends on 3)

The mask capable of preventing spectacles against mist according to claim 3, wherein two ends of the sponge strip have a thickness of 1 mm-5 mm.

### Claim 8 (depends on 7)

The mask capable of preventing spectacles against mist according to claim 7, wherein the two ends of the sponge strip have a thickness of 3 mm.

### Claim 9 (depends on 1)

The mask capable of preventing spectacles against mist according to claim 1, wherein the sponge strip is a non-breathable sponge strip.