HIGH PRESSURE TANK AND METHOD FOR MANUFACTURING LINER
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Dec 21, 2023
filing date -
Dec 27, 2022
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Abstract
A method for manufacturing a liner includes a shaft preparation step. In the shaft preparation step, a shaft assembly is prepared in which an annular shaped first attachment and an annular shaped second attachment are attached to the outer circumferential portion of a tubular shaped shaft including an air supply hole. The method for manufacturing the liner further includes a parison supply step of arranging the shaft assembly on an inner side of a parison, and a blow molding step of closing a mold device, supplying air into the parison from the air supply hole to thereby cause the parison to expand, and obtaining a liner molded body. The method for manufacturing the liner further includes a detachment step of removing the shaft from the first attachment and the second attachment, and taking out the shaft to the exterior of the liner molded body.
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