Two-shot injection molded nasal/oral mask
First Claim
Patent Images
1. A mask adapted to communicate a flow of breathing gas with an airway of a user, the mask comprising:
- a mask body having a first opening adapted to be coupled to a source of breathing gas and a second opening; and
a mask seal member defining a user contacting portion that couples the mask body to a user so as to enable the flow of breathing gas to be delivered to an airway of such a user, and wherein at least a portion of the mask seal member is molded to the mask body generally at the second opening by a two-shot injection molding process while the mask body is cooling and incompletely cured so that a portion of the mask seal member is molecularly bonded to the mask body as a consequence of the two-shot injection molding process.
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Abstract
A mask that communicates a flow of breathing gas with an airway of a user is formed by a two-shot injection molding process. The mask includes a mask body and a mask seal member, at least a portion of which is molded to the mask body by a two-shot injection molding process while the mask body is cooling and incompletely cured. The mask seal member, or a portion thereof, is molecularly bonded to the mask body as a consequence of the two-shot injection molding process.
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Citations
24 Claims
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1. A mask adapted to communicate a flow of breathing gas with an airway of a user, the mask comprising:
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a mask body having a first opening adapted to be coupled to a source of breathing gas and a second opening; and
a mask seal member defining a user contacting portion that couples the mask body to a user so as to enable the flow of breathing gas to be delivered to an airway of such a user, and wherein at least a portion of the mask seal member is molded to the mask body generally at the second opening by a two-shot injection molding process while the mask body is cooling and incompletely cured so that a portion of the mask seal member is molecularly bonded to the mask body as a consequence of the two-shot injection molding process. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A pressure support system comprising:
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a pressure generator adapted to provide a flow of breathing gas;
a conduit operatively coupled to the pressure generator to deliver the flow of breathing gas to a user; and
a mask coupled to the conduit to communicate the flow of breathing gas to an airway of a user, the mask comprising;
a mask body coupled to the conduit; and
a mask seal member having at least one portion that is molded to the mask body by a two-shot injection molding process while the mask body is cooling and incompletely cured, wherein the portion of the mask seal member is molecularly bonded to the mask body as a consequence of the two-shot injection molding process. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A two-shot injection molding method of forming a mask that is adapted to communicate a flow of breathing gas with an airway of a user, the method comprising:
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providing a mask mold;
injecting a first material into the mask mold to define a mask body of the mask;
injecting a second material into the mask mold while the mask body is cooling and incompletely cured to define at least a portion of a mask seal member of the mask, wherein the mask seal member is molecularly bonded to the mask body as a consequence of the second material being injected into the mask mold in this manner. - View Dependent Claims (18, 19, 20)
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21. A mask adapted to communicate a flow of breathing gas with an airway of a user manufactured according to a two-shot injection molding process comprising the steps of:
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providing a mask mold;
injecting a first material into the mask mold to define a mask body of the mask;
injecting a second material into the mask mold while the mask body is cooling and incompletely cured to define a mask seal member of the mask, wherein the mask seal member is molecularly bonded to the mask body as a consequence of the second material being injected into the mask mold in this manner. - View Dependent Claims (22, 23, 24)
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Specification