MANUFACTURE OF MULTICORE FIBER PREFORM
PURPOSE:To improve the sphericity of a core after spinning by closely arranging perform rods in a sheath pipe and by making the pipe solid by heating after packing spacer rods in gaps. CONSTITUTION:In a sheath pipe 1, preform rods 4 are arranged closely and in gaps, spacer rods 5 and 6 are packed. m...
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| creator | SATOU TSUGIO SHIBUYA SEIJI |
| description | PURPOSE:To improve the sphericity of a core after spinning by closely arranging perform rods in a sheath pipe and by making the pipe solid by heating after packing spacer rods in gaps. CONSTITUTION:In a sheath pipe 1, preform rods 4 are arranged closely and in gaps, spacer rods 5 and 6 are packed. materials of the spacer rods 5 and 6 have softening points, coefficients of thermal expansion, and mechanical strength nearly equal to those of the sheath pipe 1 and preform rods 4. One terminal of the sheath pipe 1 is sealed and while discharge of air is carried out from the other terminal, the entire body is heated to manufacture a solid preform having no gap. Consequently, the sphericity of each core 2 after spinning is improved. |
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CONSTITUTION:In a sheath pipe 1, preform rods 4 are arranged closely and in gaps, spacer rods 5 and 6 are packed. materials of the spacer rods 5 and 6 have softening points, coefficients of thermal expansion, and mechanical strength nearly equal to those of the sheath pipe 1 and preform rods 4. One terminal of the sheath pipe 1 is sealed and while discharge of air is carried out from the other terminal, the entire body is heated to manufacture a solid preform having no gap. 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CONSTITUTION:In a sheath pipe 1, preform rods 4 are arranged closely and in gaps, spacer rods 5 and 6 are packed. materials of the spacer rods 5 and 6 have softening points, coefficients of thermal expansion, and mechanical strength nearly equal to those of the sheath pipe 1 and preform rods 4. One terminal of the sheath pipe 1 is sealed and while discharge of air is carried out from the other terminal, the entire body is heated to manufacture a solid preform having no gap. Consequently, the sphericity of each core 2 after spinning is improved.</description><subject>CABLES OTHER THAN ELECTRIC</subject><subject>CHEMISTRY</subject><subject>GLASS</subject><subject>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>ROPES</subject><subject>ROPES OR CABLES IN GENERAL</subject><subject>TEXTILES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDzdfQLdXN0DgkNclXwd1PwDfUJ8XT2B3LcPJ1cgxQCglzd_IN8eRhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvFdAsKm5qYWhgYmjMRFKAI1BI4Y</recordid><startdate>19820407</startdate><enddate>19820407</enddate><creator>SATOU TSUGIO</creator><creator>SHIBUYA SEIJI</creator><scope>EVB</scope></search><sort><creationdate>19820407</creationdate><title>MANUFACTURE OF MULTICORE FIBER PREFORM</title><author>SATOU TSUGIO ; SHIBUYA SEIJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS5758104A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>CABLES OTHER THAN ELECTRIC</topic><topic>CHEMISTRY</topic><topic>GLASS</topic><topic>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>ROPES</topic><topic>ROPES OR CABLES IN GENERAL</topic><topic>TEXTILES</topic><toplevel>online_resources</toplevel><creatorcontrib>SATOU TSUGIO</creatorcontrib><creatorcontrib>SHIBUYA SEIJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SATOU TSUGIO</au><au>SHIBUYA SEIJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURE OF MULTICORE FIBER PREFORM</title><date>1982-04-07</date><risdate>1982</risdate><abstract>PURPOSE:To improve the sphericity of a core after spinning by closely arranging perform rods in a sheath pipe and by making the pipe solid by heating after packing spacer rods in gaps. CONSTITUTION:In a sheath pipe 1, preform rods 4 are arranged closely and in gaps, spacer rods 5 and 6 are packed. materials of the spacer rods 5 and 6 have softening points, coefficients of thermal expansion, and mechanical strength nearly equal to those of the sheath pipe 1 and preform rods 4. One terminal of the sheath pipe 1 is sealed and while discharge of air is carried out from the other terminal, the entire body is heated to manufacture a solid preform having no gap. Consequently, the sphericity of each core 2 after spinning is improved.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CABLES OTHER THAN ELECTRIC CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS ROPES ROPES OR CABLES IN GENERAL TEXTILES |
| title | MANUFACTURE OF MULTICORE FIBER PREFORM |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-07T20%3A29%3A11IST&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=SATOU%20TSUGIO&rft.date=1982-04-07&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPS5758104A%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 |