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Disposable face mask

  • US 4,319,567 A
  • Filed: 07/07/1980
  • Issued: 03/16/1982
  • Est. Priority Date: 07/07/1980
  • Status: Expired due to Term
First Claim
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1. A face mask formed by a blank piece of material composed of a plurality of fibers having a substantially constant thickness throughout and di-molded into a generally cup-shaped configuration to fit over the mouth and nose of a wearer and for filtering the air passing through the fibers, including,a nose bridge portion,nose pad portions to either side of the nose bridge portion to fit against the sides of the nose and against the cheekbones of the wearer, anda central portion of the face mask below the nose bridge portion and the nose pad portions and with the fibers of the nose pad portions more lightly compacted during molding and thereby having a greater thickness than the fibers in at least the central portion of the face mask to have the nose pad portions thicker and more flexible than at least the central portion of the face mask for providing a seal against the sides of the nose and the cheekbones for preventing the passage of air between the mask and the face of the wearer.

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