DIAPHRAGM FORMING
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United States of America Patent
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Issued Date -
Mar 14, 2024
app pub date -
Oct 18, 2023
filing date -
Mar 29, 2018
priority date (Note) -
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Abstract
A method of forming a fibre article, comprising: providing a former having a contoured forming surface; locating a fibre preform between a first diaphragm and a second diaphragm, the second diaphragm being offset from the forming surface; drawing a vacuum between the first and second diaphragms so as to hold the preform captive between the diaphragms; displacing the diaphragms relative to the former so as to bring a part of the second diaphragm adjoining the preform into partial conformity with the former; drawing a vacuum between the second diaphragm and the former so as to increase the conformity between the said part of the second diaphragm and the former; and setting the preform in its configuration
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