RESPIRATOR HEADSET Russian patent published in 2000 - IPC

Abstract RU 2153375 C1

FIELD: equipment for protecting individual's respiratory organs under hazardous working conditions. SUBSTANCE: headset has part made in the form of flat oval-shaped polymeric ring adapted to be put on user's head, and flexible cord. Flat ring is provided with parallel slit-shaped openings of different sizes arranged in pairs on both sides of ring, and H-shaped openings made in ring mid portion. Flexible cord is made bifurcate in its mid portion and is fastened to ring by lugs defined by H-shaped openings. EFFECT: simplified construction, enhanced reliability in operation and improved operating characteristics. 3 dwg

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RU 2 153 375 C1

Authors

Kostjuchenko I.S.

Kuz'Mina N.S.

Kutumina G.A.

Romanov Ju.A.

Dates

2000-07-27—Published

1999-10-05—Filed