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US 6,016,804 AGranted
Respiratory mask and method of making thereof
AssigneeScott Technologies, Inc.
InventorsColin M. Gleason, Valentin A. Castro
Life of this patent
Estimating the term…
Abstract
A facepiece insert and facepiece combination suitable for use as a respiratory mask. The respiratory mask may be combined with air purifying cartridges or breathable gas sources such as oxygen reservoirs. The insert is molded flat with living hinges, and the facepiece body is molded onto the insert in sealing engagement.
Claims24
A facepiece insert, comprising:
- a central portion;
- a pair of cheek portions disposed on opposite sides of the central portion and connected to the central portion by living hinges;
- and
- a chin portion connected to the central portion by a living hinge.
1 more element
A respiratory mask, comprising:
- a facepiece insert comprising:
- a central portion;
- a pair of cheek portions disposed on opposite sides of the central portion and connected to the central portion by living hinges;
- and
- a chin portion connected to the central portion by a living hinge, the insert having at least one opening surrounded by an adapter;
- a facepiece that is formed out of a soft flexible material and that adheres to the facepiece insert.
3 more elements
A method of forming a respiratory mask, comprising the steps of:
- providing a facepiece insert comprising:
- a central portion;
- a pair of cheek portions disposed on opposite sides of the central portion and connected to the central portion by living hinges;
- and
- a chin portion connected to the central portion by a living hinge, the insert having at least one opening surrounded by an adapter;
- molding a facepiece material in sealing engagement around the insert.
3 more elements
Dependencies are inferred from the claim text.