Method for manufacturing supporting body
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United States of America Patent
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Jan 17, 2023
Grant Date -
Dec 10, 2020
app pub date -
Dec 4, 2018
filing date -
Dec 7, 2017
priority date (Note) -
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Abstract
A method of manufacturing a support member, which includes a tubular-shaped tubular part and a coupling part coupling one portion and another portion of an inner circumferential surface of the tubular part to support a ventilation membrane, includes filling a fixed mold and a movable mold with a thermoplastic material or a thermosetting material, wherein the thermoplastic material or the thermosetting material is injected from a gate in the coupling part to be charged from the coupling part toward the cylindrical part.
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