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Special mask for preventing pneumoconiosis

A mask and dust-proof technology, applied in the field of masks, can solve problems such as few great results, and achieve the effects of high dust resistance rate, huge filtering area and simple structure

Inactive Publication Date: 2015-04-29
哈尔滨安赛福经贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, many people try to improve the dust-proof efficiency of the dust-proof mask. Before this application was proposed, there were hundreds of patents, but they were all limited to the size in front of the mouth and nose, so they rarely achieved great results.

Method used

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  • Special mask for preventing pneumoconiosis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] like figure 1 , The present invention is divided into three parts: mask, air duct and filter.

[0022] The filter consists of inner and outer filter bags that are set together and a gas sampling tube extending into the bag. And attached to the user's overalls. The outside of the filter is connected between the gas collection tube and the mask with an air tube.

[0023] Principle: The 3000 ml of air inhaled by the operator is first filtered by the outer filter bag, and the airflow speed is extremely slow. All harmful particles and even viruses in the outside air can hardly enter the bag with the airflow, and are completely blocked by the outer layer of the filter bag. Even if there is an intruder, it is filtered by the inner filter bag for the second time. In order to be foolproof, the gas sampling tube made of electrostatic non-woven fabrics is subjected to denser electrostatic filtration, that is, the airflow passing through the inner and outer filter bags passes t...

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Abstract

The invention discloses a special mask for preventing pneumoconiosis. The mask is characterized in that a filter which is formed in the manner that an inner filtering bag and an outer filtering bag are integrally installed in a sleeved mode is arranged; the filter is attached to a working garment of a user; an air filtering pipe made of a plurality of layers of static non-woven fabric extends into a gap between the inner filtering bag and the outer filtering bag or extends into the inner filtering bag; the air filtering pipe is connected with an air guide pipe outside the filter; the other end of the air guide pipe is connected to a mask air inlet covering the mouth and the nose; and the filter is attached to the working garment, a waist warmer and the like, and then operation can be freely performed. According to the invention, a traditional dustproof mask is subversively improved; the effective filtration area is extremely large; and the pneumoconiosis and other respiratory tract diseases caused by smoke can be fundamentally avoided.

Description

technical field [0001] The invention relates to the technical field of masks, in particular to a mask specially designed to prevent pneumoconiosis and silicosis. Background technique [0002] There are currently about 1 million pneumoconiosis patients in China, accounting for one-half of the world's total; pneumoconiosis has been eliminated in Europe and the United States; China spends more than 20 billion a year on treating pneumoconiosis patients (irreversible); treating respiratory diseases caused by smoke It will cost about 50 billion; there are more than 20,000 pneumoconiosis patients in China every year; there are at least 200,000 pneumoconiosis coal miners in the country; The family is waiting to die; in Xinjiang alone, there are 8,218 enterprises with hazardous occupational diseases, 971,000 employees, and 716,000 people exposed to occupational disease hazards, which cannot be counted nationwide; diseases related to pneumoconiosis: emphysema, tuberculosis, pharyngiti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A41D13/11
CPCA41D13/11
Inventor 不公告发明人
Owner 哈尔滨安赛福经贸有限公司
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