Respirator nosepiece
A personal respiratory protection device comprising an upper panel (18), a central panel (16), and a lower panel (20), the central panel (16) being separated from each of the upper and lower panels (18) by a first and second fold (36), seam, weld (76) or bond, respectively, such that device is capab...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A personal respiratory protection device comprising an upper panel (18), a central panel (16), and a lower panel (20), the central panel (16) being separated from each of the upper and lower panels (18) by a first and second fold (36), seam, weld (76) or bond, respectively, such that device is capable of being folded flat for storage along the first and second fold (36), seam, weld (76) or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use, wherein the upper panel (18) has a nose conforming element for conforming at least part of the upper panel (18) to the nose of a wearer when in use, the nose conforming element having a resiliently flexible central portion (80) and first and second rigid outer portions (82) extending outwardly from the central portion (80), the central portion (80) deforming upon donning of the respirator (10) so that the central and outer portions (80, 82) conform to the profile of the nose.
本发明公开了种个人呼吸防护装置,其包括上部面板(18)、中心面板(16)和下部面板(20),该中心面 |
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