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 Title: |
US4926853:
Gas mask nose occluder
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Meunier, Pierre P.; Nepean, Canada
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| Assignee: |
Her Majesty the Queen in Right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government, Ottawa, Canada
other patents from HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF NATIONAL DEFENCE (683641) (approx. 444)
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| Published / Filed: |
1990-05-22
/ 1988-06-29
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| Application Number: |
US1988000213263
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| IPC Code: |
Advanced:
A62B 18/08;
Core:
A62B 18/00;
IPC-7:
A62B 7/00;
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| U.S. Class: |
Current:
128/201.18;
128/206.23;
D24/110.2;
Original:
128/201.18;
128/206.23;
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| Field of Search: |
128/201.15,201.24,206.21,206.23,201.18,201.12
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| Priority Number: |
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| Abstract: |
An improvement to a face mask is disclosed which has two eyepieces, a pliable full face covering, breathing means and means for sealing and securing the mask to the face of a wearer. The improvement being nose occluding means which include a pair of prong members made of a rigid material. Each prong member is adjustably attached at one end thereof to a lower rim portion of a respective eyepiece at an angle with respect thereto so that it is directed inwardly toward the nose of the wearer. A method of nose occlusion in order to perform the valsalva maneuvre utilizing the improved face mask is also disclosed.
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| Attorney, Agent or Firm: |
Hinds, William R. ;
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| Primary / Asst. Examiners: |
Burr, Edgar S.; Pham, Huong Q.
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| Maintenance Status: |
E3 Expired Check current status
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| INPADOC Legal Status: |
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| Family: |
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First Claim:
Show all 3 claims |
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. In a face mask having two rigid eyepieces having rims, a pliable full face covering carrying the eyepieces such that the eyepieces can be manually moved toward the face of a user, breathing means and sealing and securing means for sealing the mask securely to the head of a wearer, the improvement comprising nose occluder means including a pair of prong members each made of a material having sufficient rigidity to close the nostrils of a user, said prong members each being adjustably attached at one end thereof directly to an interior lower rim portion of a respective eyepiece at an angle with respect thereto so as to be directed inwardly toward the nose of the wearer, said pliable full face covering enabling said eyepieces to be manipulated toward the face to cause the prong members to press against the nose and close the nostrils.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 6 U.S. patent(s) that reference this one
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