초록 ▼

An eye-wear article (93) for use with a respiratory mask (1) comprises a flat piece of transparent polymeric material providing a visor portion. The flat piece of polymeric material has shaped portions in a lower edge that fit over respective selected parts of the mask, and elongate tabs (95) that e

An eye-wear article (93) for use with a respiratory mask (1) comprises a flat piece of transparent polymeric material providing a visor portion. The flat piece of polymeric material has shaped portions in a lower edge that fit over respective selected parts of the mask, and elongate tabs (95) that extend from each side and are inserted into respective guides (97) on the head harness (7, 8) of the mask to cause the flat piece of polymeric material to adopt a curved configuration and locate the visor portion in front of the eyes of the wearer. The tabs (95) can slide in the guides ( 97) to permit the eye-wear article to be moved out of engagement with the mask and onto the top of the wearer's while the mask is being worn, without disturbing the position of the mask on the wearer's face and without affecting the respiratory protection provided by the mask.

대표청구항 ▼

What is claimed is: 1. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising: a flat piece of transparent polymeric material providing a visor portion, mask-engaging positioning means, and harness-engaging positioning means, wherein the ha

What is claimed is: 1. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising: a flat piece of transparent polymeric material providing a visor portion, mask-engaging positioning means, and harness-engaging positioning means, wherein the harness-engaging positioning means can be disengaged from the head harness while the mask is being worn, to permit the eye-wear article to be removed from the line of sight of the wearer while still remaining engaged with the mask, without disturbing the position of the mask on the wearer's face and without affecting the respiratory protection provided by the mask; the mask-engaging positioning means and the harness-engaging positioning means being engageable, respectively, with the mask and with the head harness to cause the flat piece of polymeric material to adopt a curved configuration in which, when the mask is being worn, the piece of polymeric material extends from one side of the wearer's face to the other with the visor portion being located in front of the wearer's eyes; wherein the eye-wear article can be disengaged from the mask and/or the head harness while the mask is being worn, to permit the article to be removed from the line of sight of the wearer without disturbing the position of the mask on the wearer's face and without affecting the respiratory protection provided by the mask. 2. The eye wear article of claim 1, in which the mask-engaging positioning means is formed in the flat piece of polymeric material. 3. The eye wear article of claim 1, in which the harness-engaging positioning means is formed in the fiat piece of polymeric material. 4. The eye-wear article of claim 1, wherein the mask-engaging positioning means includes at least one shaped portion formed in a lower edge of the flat piece of polymeric material to fit over a respective selected part of the mask. 5. The eye-wear article of claim 4 for use with a respiratory mask having a centrally-located exhalation valve, wherein the mask-engaging positioning means includes at least one shaped portion formed in a lower edge of the flat piece of polymeric material to fit over the exhalation valve structure. 6. The eye-wear article of claim 4 for use with a respiratory mask having filters on each side of a central portion of the mask, wherein the mask-engaging positioning means includes shaped portions formed in a lower edge of the flat piece of polymeric material to fit over the filters or the attachments of the filters to the mask. 7. The eye-wear article of claim 4 for use with a respiratory mask having a nose bridge, wherein the mask-engaging positioning means includes at least one shaped portion formed in a lower edge of the flat piece of polymeric material to fit over the nose bridge. 8. The eye-wear article of claim 1, for use with a respiratory mask having a nosebridge, wherein the mask-engaging positioning means includes a pre-formed nosepiece shaped to Sit on the nose bridge of the mask. 9. The eye-wear article of claim 1, wherein the harness-engaging positioning means includes portions at the sides of the flat piece of polymeric material that are shaped to fold around one or more headbands of the head harness. 10. The eye-wear article of claim 1, wherein the flat piece of polymeric material is formed with at least one hinge line to assist the curvature of the visor portion when the eye-wear article is in use on the respiratory mask. 11. The eye-wear article of claim 1, including a strip of sealing material extending at least partly around the periphery of the eye-wear article on the side adjacent the face of the wearer. 12. A respiratory half mask in combination with the eye-wear article of claim 1. 13. An eye-wear article for use with a respiratory mask having a centrally-located exhalation valve, and provided with a head harness, the eye-wear article comprising: a flat piece of transparent polymeric material providing a visor portion, mask-engaging positioning means, and harness-engaging positioning means; the mask-engaging positioning means and the harness-engaging positioning means being engageable, respectively, with the mask and with the head harness to cause the flat piece of polymeric material to adopt a curved configuration in which, when the mask is being worn, the piece of polymeric material extends from one side of the wearer's face to the other with the visor portion being located in front of the wearer's eyes; wherein the eye-wear article can be disengaged from the mask and/or the head harness while the mask is being worn, to permit the article to be removed from the line of sight of the wearer without disturbing the position of the mask on the wearer's face and without affecting the respiratory protection provided by the mask; and wherein the mask-engaging positioning means includes an aperture, in the flat piece of polymeric material, that is shaped to locate over the exhalation valve structure. 14. The eye-wear article of claim 13, wherein the visor portion can pivot forwards, relative to the mask-engaging positioning means, to permit the eye-wear article to be removed from the line of sight of the wearer while still remaining engaged with the mask, without disturbing the position of the mask on the wearer's face and without affecting the respiratory protection provided by the mask. 15. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising a flat piece of transparent flexible polymeric material, wherein the flat piece of transparent flexible polymeric material comprises: a visor portion; a downwardly-extending mask-engaging portion attached to the visor portion that is engageable with the respiratory mask; and harness-engaging portions attached to opposing edges of the visor portion along fold lines in the flat piece of transparent flexible polymeric material; wherein the eye-wear article is detachable from the mask and the head harness while the mask is being worn. 16. The eye-wear article of claim 15 wherein when the eye-wear article is engaged with the respiratory mask and the bead harness, the eye-wear article adopts a curvature to conform to a wearer's face. 17. The eye-wear article of claim 15 wherein the respiratory mask comprises at least one filter disposed on each side of a central portion of the mask, wherein the downwardly-extending mask-engaging portion is engageable with the filter. 18. The eye-wear article of claim 15 wherein each harness-engaging portion is slidably engageable with a headband of the head harness. 19. The eye-wear article of claim 15 wherein when the eye-wear article is engaged with the mask and the head harness, the eye-wear article is spaced from a wearer's forehead. 20. A respiratory half mask in combination with the eye-wear article of claim 15. 21. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising a flat piece of transparent flexible polymeric material, wherein the flat piece of transparent flexible polymeric material comprises: a visor portion; a downwardly-extending mask-engaging portion attached to the visor portion that is engageable with the respiratory mask; and harness-engaging portions attached to opposing edges of the visor portion along fold lines in the flat piece of transparent flexible polymeric material; wherein the eye-wear article is detachable from the mask while the mask is being worn and removable from a wearer's line of sight while remaining engaged with the head harness. 22. The eye-wear article of claim 21 wherein when the eye-wear article is engaged with the respiratory mask and the head harness, the eye-wear article adopts a curvature to conform to a wearer's face. 23. The eye-wear article of claim 21 wherein the respiratory mask comprises at least one filter disposed on each side of a central portion of the mask, wherein the downwardly-extending mask-engaging portion is engageable with the filter. 24. The eye-wear article of claim 21 wherein each harness-engaging portion is slidably engageable with a headband of the head harness. 25. The eye-wear article of claim 21 wherein when the eye-wear article is engaged with the mask and the head harness, the eye-wear article is spaced from a wearer's forehead. 26. A respiratory half mask in combination with the eye-wear article of claim 21. 27. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising a flat piece of transparent flexible polymeric material, wherein the flat piece of transparent flexible polymeric material comprises: a visor portion; a downwardly-extending mask-engaging portion attached to the visor portion that is engageable with the respiratory mask; and harness-engaging portions attached to opposing edges of the visor portion along fold lines in the flat piece of transparent flexible polymeric material; wherein the respiratory mask comprises a centrally-located exhalation valve, and wherein the downwardly-extending mask-engaging portion comprises an aperture engageable with the exhalation valve. 28. The eye-wear article of claim 27 wherein when the eye-wear article is engaged with the respiratory mask and the head harness, the eye-wear article adopts a curvature to conform to a wearer's face. 29. The eye-wear article of claim 27 wherein the respiratory mask comprises at least one filter disposed on each side of a central portion of the mask, wherein the downwardly-extending mask-engaging portion is engageable with the filter. 30. The eye-wear article of claim 27 wherein each harness-engaging portion is slidably engageable with a headband of the head harness. 31. The eye-wear article of claim 27 wherein when the eye-wear article is engaged with the mask and the head harness, the eye-wear article is spaced from a wearer's forehead. 32. A respiratory half mask in combination with the eye-wear article or claim 27. 33. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising a flat piece of transparent flexible polymeric material, wherein the flat piece of transparent flexible polymeric material comprises: a visor portion; a downwardly-extending mask-engaging portion attached to the visor portion that is engageable with the respiratory mask; harness-engaging portions attached to opposing edges of the visor portion along fold lines in the flat piece of transparent flexible polymeric material; and hinge lines located at opposing edges of the visor portion intermediate the visor portion and the fold line. 34. The eye-wear article of claim 33 wherein when the eye-wear article is engaged with the respiratory mask and the head harness, the eye-wear article adopts a curvature to conform to a wearer's face. 35. The eye-wear article of claim 33 wherein the respiratory mask comprises at least one filter disposed on each side of a central portion of the mask, wherein the downwardly-extending mask-engaging portion is engageable with the filter. 36. The eye-wear article of claim 33 wherein each harness-engaging portion is slidably engageable with a headband of the head harness. 37. The eye-wear article of claim 33 wherein when the eye-wear article is engaged with the mask and the head harness, the eye-wear article is spaced from a wearer's forehead. 38. A respiratory half mask in combination with the eye-wear article of claim 33. 39. An eye-wear article for use with a respiratory mask provided with a head harness, the eye-wear article comprising a flat piece of transparent flexible polymeric material, wherein the flat piece of transparent flexible polymeric material comprises: a visor portion; a downwardly-extending mask-engaging portion attached to the visor portion that is engageable with the respiratory mask; and harness-engaging portions attached to opposing edges of the visor portion along fold lines in the flat piece of transparent flexible polymeric material; and at least one curved fold line extending across the top of the eye-wear article between the fold lines. 40. The eye-wear article of claim 39 wherein when the eye-wear article is engaged with the respiratory mask and the head harness, the eye-wear article adopts a curvature to conform to a wearer's face. 41. The eye-wear article of claim 39 wherein the respiratory mask comprises at least one filter disposed on each side of a central portion of the mask, wherein the downwardly-extending mask-engaging portion is engageable with the filter. 42. The eye-wear article of claim 39 wherein each harness-engaging portion is slidably engageable with a headband of the head harness. 43. The eye-wear article of claim 39 wherein when the eye-wear article is engaged with the mask and the head harness, the eye-wear article is spaced from a wearer's forehead. 44. A respiratory half mask in combination with the eye-wear article of claim 39.