TANK FOR STORING GAS
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Nov 8, 2022
filing date -
Nov 8, 2022
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Abstract
A tank comprising a multi-layer structure, for storing compressed gas, including in succession from inside to outside at least the three following layers: at least one sealing layer of a composition including at least one semi-crystalline thermoplastic polyamide having a Tm of less than or equal to 280° C., at least one intermediate composite reinforcing layer of a fibrous material in the form of continuous fibres impregnated with a composition including at least one semi-crystalline thermoplastic polyamide having a Tg of less than 100° C., at least one outer composite reinforcing layer of a fibrous material in the form of continuous fibres impregnated with a composition including at least one polyphthalamide having a Tg of greater than 80° C., the outermost sealing layer being welded to the innermost intermediate composite reinforcing layer and the outermost intermediate composite reinforcing layer being welded to the innermost outer composite reinforcing layer.
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