Nose bridge bar and manufacturing method thereof

A nose bridge and strip-shaped technology, which is applied in the field of nose bridge strips and its preparation, can solve the problems of losing the shaping effect and affecting the service life of masks, and achieve the effects of improving bending resistance, uniform stress and prolonging service life

Active Publication Date: 2020-08-14
ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to keep the wearing weight of the conventional aluminum nose bridge strip, its thickness should not be set too large, so the nose bridge strip of a certain quality will break after being bent a few times, losing its shaping effect, which seriously affects the service life of the mask

Method used

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  • Nose bridge bar and manufacturing method thereof
  • Nose bridge bar and manufacturing method thereof
  • Nose bridge bar and manufacturing method thereof

Examples

Experimental program
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Effect test

no. 1 example

[0034] figure 1 A schematic structural diagram of the cross-section of the nose bridge strip provided in the first embodiment of the present invention; figure 2 It is a schematic diagram of the coordinate system of the nose bridge strip provided by the first embodiment of the present invention; image 3 for figure 2 Left view of the middle bridge strip; Figure 4 The diagram of the positional relationship between the nose bridge strip and the two rolls 200 is provided for the first embodiment of the present invention. Please refer to Figure 1 ~ Figure 4 , the present embodiment provides a nose bridge strip, which includes a nose bridge strip body 100; The sides gradually increase.

[0035] Wherein, the nose strip body 100 is preferably made of aluminum.

[0036] Further, as figure 1 As shown, on the cross-section of the nose bridge strip body 100 , two opposite sidelines 101 along the thickness direction of the nose bridge strip body 100 are arc-shaped.

[0037] Whe...

no. 2 example

[0045] Figure 5 It is a process flow chart of the preparation method of the special-shaped nose bridge strip provided by the second embodiment of the present invention. Please refer to Figure 5 , the present embodiment provides a method for preparing a nose bridge strip, which uses a roll 200 to roll a metal strip to form the nose bridge strip body 100 . Wherein, the axis of the roll 200 is perpendicular to the length direction of the metal strip, and the diameter of the roll 200 gradually decreases from the center to both ends along the axis of the roll 200, that is, the shape of the roll 200 is drum-shaped.

[0046] Further, the number of the rolls 200 is two, and the axes of the two rolls 200 are parallel to each other. The two rolls 200 simultaneously roll the two sides of the metal strip to improve the symmetrical balance of the formed nose bridge strip body 100 .

[0047] Further, the distance between the two rolls 200 can be adjusted. This operation can change the...

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Abstract

The invention provides a nose bridge bar and a manufacturing method thereof and relates to the technical field of masks. The nose bridge bar comprises a nose bridge bar body. The nose bridge bar bodyis in a strip shape. In the width direction of the nose bridge bar body, the thickness of the nose bridge bar body is gradually increased from the center to the two sides. Compared with conventional nose bridge bars, the nose bridge bar improves the bending resistance and prolongs the service life of the mask under the same quality condition. On this basis, the invention further provides a manufacturing method of the nose bridge bar.

Description

technical field [0001] The invention relates to the technical field of masks, in particular to a nose bridge strip and a preparation method thereof. Background technique [0002] The mask relies on the plastic deformation function of the nose bridge to achieve the shape, so that the edge of the non-woven mask fits the outer contour of the nose bridge to achieve the purpose of isolating germs in the air. [0003] However, in the process of wearing the mask, it is necessary to repeatedly bend the nose bridge strip to match the outer contours of the face and the bridge of the nose. The thickness of conventional aluminum nose bridge strips cannot be set too large in order to maintain the wearing weight. Therefore, a nose bridge strip of a certain quality will break after being bent a few times, losing its shaping effect, which seriously affects the service life of the mask. Contents of the invention [0004] The object of the present invention is to provide a nose bridge stri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B45/00B21B1/18A41D13/11
CPCB21B45/004B21B1/18A41D13/11
Inventor 程亚芳黄俊兰裴夤崟吕登峰潘建军周许升侯江涛
Owner ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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