{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282680376423936.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.4188/transjtmsj1965b.23.t109"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"8279781"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/8279781"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I8279781"}},{"identifier":{"@type":"NAID","@value":"130004184489"}}],"dc:title":[{"@language":"en","@value":"Strength and Elongation of the Two-fold Staple Yarn"},{"@value":"紡績双糸の強伸度について"},{"@language":"ja-Kana","@value":"ボウセキ ソウシ ノ キョウシンド ニ ツイテ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"The strength and elongation of two-fold staple yarn have been analyzed here. Experimental data obtained show that the calculated strength and elongation agree well with the observed one. The main results are what follows :<BR>1) When a two-fold staple yarn is broken, a pressure is produced in the yarn. The pressure is determined mainly by following function. This function is called pressure function.<BR>F(θ<SUB>R</SUB>', β)=1+ (log cosθ<SUB>R</SUB>'/tan<SUP>2</SUP>θ<SUB>R</SUB>')(2-4πΔsin<SUP>2</SUP>β)<BR>And, θ<SUB>R</SUB>' : Bottom twist angle of the single yarn in the two-fold yarn.<BR>β : Ply twist helix angle.<BR>Δ : Coefficient<BR>The pressure function of single yarn is :<BR>F(θ<SUB>R</SUB>)=1+2 log cosθ<SUB>R</SUB>/tan<SUP>2</SUP>θ<SUB>R</SUB><BR>where θ<SUB>R</SUB> is the twist helix angle of single yarn, and θ<SUB>R</SUB> is the twist helix angle of single yarn.<BR>2) The strength-twist curve of single yarn can be converted into the strength-pressure function curve, and the strength-bottom twist, ply twist curve of two-fold yarn into the strength-pressure function curve. The two strength-pressure function curve are the same essentially. So that, from the strength-twist curve of single yarn the strength-bottom twist, ply twist curve of two-fold yarn can be explained."},{"@value":"目的　紡績双糸の強伸度を解析し, 計算値と実験値を比較しようとしたものである.　成果　(1) 双糸の切断時における, 糸内の平均圧力Pを支配する次式を双糸の圧力関数と称する.　F (θR', β) =1+ ((log cosθR') /tan2θR') (2-4πΔsin2β) 　ただし, θR' : 双糸中の単糸の撚り角度　β : 上撚り角度　Δ : 係数　なお, 単糸の圧力関数は次式で示される.　F (θR) =1+2 log cosθR/tan2θR　 (2) 単糸の強力―撚り係数曲線を, 強力―圧力関数曲線に変換し, 双糸の強力―下撚り係数, 上撚り係数曲線を, 強力―圧力関数曲線に変換すれば両曲線は本質的に同一であり, 単糸の強力―撚り係数曲線から双糸の強力―下撚り係数, 上撚り係数曲線を求めることができる."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410282680376423936","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000256122409"}],"foaf:name":[{"@language":"en","@value":"Kyuma Hidehiko"},{"@language":"ja","@value":"久間 秀彦"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Faculty of Textile Science and Technology, Shinshu University"},{"@language":"ja","@value":"信州大学繊維学部"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282680376423938","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000256122410"}],"foaf:name":[{"@language":"en","@value":"Kobayashi Mitsuko"},{"@language":"ja","@value":"小林 みつ子"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Faculty of Textile Science and Technology, Shinshu University"},{"@language":"ja","@value":"信州大学繊維学部"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282680376423937","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000256122411"}],"foaf:name":[{"@language":"en","@value":"Kazama Takehiko"},{"@language":"ja","@value":"風間 武彦"}],"jpcoar:affiliationName":[{"@language":"en","@value":"The Japanese Patent Bureau"},{"@language":"ja","@value":"特許庁"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"18838723"},{"@type":"NDL_BIB_ID","@value":"000000013501"},{"@type":"ISSN","@value":"00405051"},{"@type":"LISSN","@value":"00405051"},{"@type":"NCID","@value":"AN00131684"}],"prism:publicationName":[{"@language":"en","@value":"Journal of the Textile Machinery Society of Japan - Transactions -"},{"@language":"ja","@value":"繊維機械学会論文集"},{"@language":"en","@value":"Journal of the Textile Machinery Society of Japan - Transactions -"},{"@language":"ja","@value":"繊機論集"}],"dc:publisher":[{"@language":"en","@value":"The Textile Machinery Society of Japan"},{"@language":"ja","@value":"一般社団法人 日本繊維機械学会"}],"prism:publicationDate":"1970","prism:volume":"23","prism:number":"5","prism:startingPage":"T109","prism:endingPage":"T119"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/8279781"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I8279781"}],"availableAt":"1970","dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:0038869679"},{"@type":"NDL_SEARCH","@value":"oai:ndlsearch.ndl.go.jp:R000000004-I8279781"},{"@type":"CROSSREF","@value":"10.4188/transjtmsj1965b.23.t109"},{"@type":"CIA","@value":"130004184489"}]}