FILTERING FACE-PIECE RESPIRATOR HAVING AN OVERMOLDED FACE SEAL
First Claim
Patent Images
1. A filtering face-piece respirator that comprises:
- a) a harness;
b) a mask body that comprises;
(i) a filtering structure;
(ii) a support structure; and
c) a face seal element that has been overmolded onto at least a portion of a perimeter of the support structure of the mask body.
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Accused Products
Abstract
An filtering face-piece respirator that includes a mask body 12 and a harness 14. The mask body includes a support structure 16, filtering structure 18, and a face seal element 40. The face seal element 40 is overmolded onto at least a portion of a perimeter of the support structure of the mask body. The overmolding of the face seal member to the support structure allows the face seal to become firmly secured to the mask body at its perimeter.
54 Citations
18 Claims
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1. A filtering face-piece respirator that comprises:
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a) a harness; b) a mask body that comprises; (i) a filtering structure; (ii) a support structure; and c) a face seal element that has been overmolded onto at least a portion of a perimeter of the support structure of the mask body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A process for making a filtering face-piece respirator, the process comprising:
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providing a mask body that comprises a filtering structure and a support structure, the support structure including a perimeter member; and overmolding a face seal element onto at least a portion of the perimeter member. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A filtering face-piece respirator that comprises:
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a) a harness that comprises one or more straps; b) a mask body that comprises; (i) a filtering structure that includes one or more layers of filter media and at least one cover web; (ii) a support structure that includes a perimeter member and at least one member that extends across the mask body; and c) a face seal element that has been overmolded onto at least a portion of the perimeter member and a portion of the filtering structure.
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Specification