METHOD FOR HIGH-SPEED SPINNING OF POLYESTER FIBER
PURPOSE:To provide a method for high-speed spinning of polyester fibers by which the inflow of an accompanying air stream into a cylindrical heating unit can be controlled, a yarn can efficiently be heat-treated in the unit and the polyester fibers excellent in performances of yarn quality without a...
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| creator | KUBO KUNIAKI MURAI KEISUKE KIRIYAMA SHUNICHI |
| description | PURPOSE:To provide a method for high-speed spinning of polyester fibers by which the inflow of an accompanying air stream into a cylindrical heating unit can be controlled, a yarn can efficiently be heat-treated in the unit and the polyester fibers excellent in performances of yarn quality without any size unevenness can be produced at a high speed with good operating efficiency. CONSTITUTION:This method for high-speed spinning of polyester fibers is to carry out the melt spinning from a spinneret having a spinning hole group divided into >=3 groups, freely detachably install a narrowing guide 5 having 5-25mm caliber at an inlet of a cylindrical heating unit 4, provide an aspirator 6 for threading under the guide and regulate the internal temperature of the cylindrical heating unit to 150-250 deg.C, in a method for high-speed spinning of the polyester fibers by once cooling filaments (Y) melt spun from a spinneret (L) to a temperature of the glass transition point or below, then running the resultant yarn in the cylindrical heating unit 4, heat-treating the yarn, subsequently applying an oil thereto with an oil applicator 7 and taking off the oiled yarn at >=4000m/min. Since the caliber of the narrowing guide can simply be changed, the accompanying air stream can readily be controlled at a low cost. |
| format | Patent |
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CONSTITUTION:This method for high-speed spinning of polyester fibers is to carry out the melt spinning from a spinneret having a spinning hole group divided into >=3 groups, freely detachably install a narrowing guide 5 having 5-25mm caliber at an inlet of a cylindrical heating unit 4, provide an aspirator 6 for threading under the guide and regulate the internal temperature of the cylindrical heating unit to 150-250 deg.C, in a method for high-speed spinning of the polyester fibers by once cooling filaments (Y) melt spun from a spinneret (L) to a temperature of the glass transition point or below, then running the resultant yarn in the cylindrical heating unit 4, heat-treating the yarn, subsequently applying an oil thereto with an oil applicator 7 and taking off the oiled yarn at >=4000m/min. 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CONSTITUTION:This method for high-speed spinning of polyester fibers is to carry out the melt spinning from a spinneret having a spinning hole group divided into >=3 groups, freely detachably install a narrowing guide 5 having 5-25mm caliber at an inlet of a cylindrical heating unit 4, provide an aspirator 6 for threading under the guide and regulate the internal temperature of the cylindrical heating unit to 150-250 deg.C, in a method for high-speed spinning of the polyester fibers by once cooling filaments (Y) melt spun from a spinneret (L) to a temperature of the glass transition point or below, then running the resultant yarn in the cylindrical heating unit 4, heat-treating the yarn, subsequently applying an oil thereto with an oil applicator 7 and taking off the oiled yarn at >=4000m/min. 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CONSTITUTION:This method for high-speed spinning of polyester fibers is to carry out the melt spinning from a spinneret having a spinning hole group divided into >=3 groups, freely detachably install a narrowing guide 5 having 5-25mm caliber at an inlet of a cylindrical heating unit 4, provide an aspirator 6 for threading under the guide and regulate the internal temperature of the cylindrical heating unit to 150-250 deg.C, in a method for high-speed spinning of the polyester fibers by once cooling filaments (Y) melt spun from a spinneret (L) to a temperature of the glass transition point or below, then running the resultant yarn in the cylindrical heating unit 4, heat-treating the yarn, subsequently applying an oil thereto with an oil applicator 7 and taking off the oiled yarn at >=4000m/min. Since the caliber of the narrowing guide can simply be changed, the accompanying air stream can readily be controlled at a low cost.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES |
| title | METHOD FOR HIGH-SPEED SPINNING OF POLYESTER FIBER |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-07T10%3A53%3A01IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=KUBO%20KUNIAKI&rft.date=1995-10-17&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPH07268725A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |