FLUORINE PROOF AND DUSTPROOF MOUTHPIECE

The utility model provides a fluorine proof and dustproof mask which is characterized in that the filter membrane of the inner inhaling window adopts the filter paper impregnated in the saturated salt solution, the utility model has the advantages of simple structure, easy manufacture, low cost and...

Full description

Saved in:
Bibliographic Details
Main Authors GAO YAN, XIANG SHIWEI, YANG BIN
Format Patent
LanguageEnglish
Published 17.06.1992
Edition5
Subjects
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
Online AccessGet full text

Cover

More Information
Summary:The utility model provides a fluorine proof and dustproof mask which is characterized in that the filter membrane of the inner inhaling window adopts the filter paper impregnated in the saturated salt solution, the utility model has the advantages of simple structure, easy manufacture, low cost and simple use. The utility model not only prevents the harm to the human body from the dust and powder dust, but also efficaciously prevents the poison to the human body from the fluoride gases, particularly the operation staff working on the post of high concentration fluorides and powder dust in the phosphorus chemistry and aluminum smelting industries as a labour protection article.
Bibliography:Application Number: CN1991230336U