Inflatable insulation incorporating pressure relief means
First Claim
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1. An inflatable module comprising:
- at least two fabric layers, each fabric layer comprising an air impermeable, moisture vapor permeable layer, said layers being sealed together by a seal between said layers to form an inflatable cavity;
a means for inflating said inflatable cavity incorporated into said module; and
said module further comprising a means for relieving pressure in said inflatable cavity when said cavity is inflated and subjected to external stresses exceeding a predetermined amount.
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Abstract
The present invention is an inflatable module which is breathable, i.e. permits the passage of moisture vapor, and which further incorporates a pressure relief means for reducing pressure in the inflated portion should the module be subjected to sudden or excessive stress. In a preferred embodiment of the invention, a pressure relief valve is incorporated as the pressure relief mechanism in the inflatable module.
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Citations
25 Claims
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1. An inflatable module comprising:
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at least two fabric layers, each fabric layer comprising an air impermeable, moisture vapor permeable layer, said layers being sealed together by a seal between said layers to form an inflatable cavity;
a means for inflating said inflatable cavity incorporated into said module; and
said module further comprising a means for relieving pressure in said inflatable cavity when said cavity is inflated and subjected to external stresses exceeding a predetermined amount. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An inflatable module comprising:
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at least two laminates, each laminate comprising an air impermeable, moisture vapor permeable layer, said laminates being sealed together by a seal between said air impermeable, moisture vapor permeable layers to form an inflatable cavity;
a means for inflating said inflatable cavity incorporated into said module; and
said module further comprising a means for relieving pressure in said inflatable cavity when said cavity is inflated and subjected to external stresses exceeding a predetermined amount. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An inflatable module comprising:
at least two laminates comprising a microporous membrane and an air impermeable, moisture vapor permeable layer, said laminates being sealed together by a seal between said air impermeable, moisture vapor permeable layers to form an inflatable cavity;
a means for inflating said inflatable cavity incorporated into said module; and
said module further comprising a means for relieving pressure in said inflatable cavity when said cavity is inflated and subjected to external stresses exceeding a predetermined amount. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
Specification