Respirator mask and valve
First Claim
Patent Images
1. A valve comprising:
- a support member;
a cover coupled with the support member; and
a flexible member, the cover having a biasing member that secures the flexible member to the support member.
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Accused Products
Abstract
A valve has a support member, a cover coupled with the support member, and a flexible member. The cover has a biasing member that secures the flexible member to the support member.
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Citations
46 Claims
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1. A valve comprising:
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a support member;
a cover coupled with the support member; and
a flexible member, the cover having a biasing member that secures the flexible member to the support member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of forming a valve comprising:
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providing a support member and a cover having a hinge;
positioning a flexible member on the support member;
pivoting the hinge toward the cover interior;
contacting the hinge against the flexible member; and
securing the cover to the support member. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A valve comprising:
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a support member;
a cover coupled with the support member; and
a flexible member, the cover having a variable force member that applies a variable force to the flexible member, the variable force member normally producing a concavity in the flexible member. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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31. A valve comprising:
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a support member;
a cover coupled to the support member; and
a flexible member, the cover having a biasing means for securing the flexible member to the support member. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39)
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40. A filter mask having a valve, the valve comprising:
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a support member; and
a cover coupled with the support member; and
a flexible member, the cover having a biasing member that secures the flexible member to the support member. - View Dependent Claims (41, 42, 43, 44, 45, 46)
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Specification