DEVICE AND METHOD FOR TWISTING ELECTROSTATIC SPINNING SUPERFINE FIBER
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United States of America Patent
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Issued Date -
Dec 21, 2023
app pub date -
Jul 19, 2021
filing date -
Jun 22, 2021
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Abstract
Disclosed is a device for twisting electrostatic spinning superfine fiber. The device comprises an outer sleeve and a middle sleeve, wherein the outer sleeve sleeves the middle sleeve, an annular gap is formed between the outer sleeve and the middle sleeve, a melt inlet communicating with the annular gap is formed in the outer sleeve, a conical hole is formed in the bottom end of the outer sleeve, the top end of the conical hole communicates with the bottom end of the annular gap, and the outer sleeve is wrapped with a heating ring used for heating a melt in the annular gap; a cylindrical metal rod is arranged in the middle sleeve in a penetrating mode, an interval is formed between the metal rod and the middle sleeve, the bottom end of the metal rod is fixedly connected with a circular truncated cone located below the conical hole.
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