Cap spinning machine

Japanese: キャップ精紡機 - きゃっぷせいぼうき
Cap spinning machine

...(1) Flyer spinning frame: The oldest, currently used for spinning linen or thick wool (Figure a). (2) Cap spinning frame: Used in some worsted yarn spinning machines, it has high productivity but is not suitable for spinning high-quality yarn (Figure b). (3) Ring spinning frame: High productivity and easy to operate, it is most commonly used for various spinning machines (Figure c). ...

From [Spinning Machinery]

...For wool over 20 cm long, a sliver is made using a preparer (gill) rather than a card (wool spinning machine). Cap spinning frames are also widely used for spinning wool yarn, and have a structure in which an iron cap is placed on the top of a spindle with a wooden tube inserted into it. The drafted sliver passes through the outside of the cap and falls downward, where it is twisted as it rotates around the cap.
[others]
The raw material for silk spinning is by-product silk from sericulture and silk reeling waste. After the sericin (the protein that makes up silk thread) is removed by scouring, the silk is opened (beaten into cocoons and opened), combed with a carding machine, and then made into slivers with a rowing machine or comber.

*Some of the terminology used to refer to "cap spinning machine" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(1)フライヤー精紡機 最も古いもので,現在は麻糸または太い羊毛の紡績に用いられる(図a)。(2)キャップ精紡機 梳毛(そもう)糸紡績用の一部で用いられ,生産能率は高いが,上質の糸の紡績に適しない(図b)。(3)リング精紡機 生産能率が高く,取扱いも容易で各種紡績に最もよく用いられる(図c)。…

【紡績機械】より

…20cm以上の羊毛ではカードではなくプリペアラー(ギル)でスライバーを作る(毛紡機)。なお毛糸紡績用の精紡機にはキャップ精紡機cap spinning frameも多用されるが,これは木管をさし込んだスピンドルの頂部に鉄製のキャップをかぶせた構造をしており,ドラフトをかけられたスライバーはキャップの外側を通って下にさがり,キャップの周囲を回転しながら撚りがかかる機構となっている。
[その他]
 絹紡用原料は養蚕・製糸くずなどの副蚕糸で,精練でセリシン(絹糸を構成しているタンパク質)を除いた後,開繊(打繭,開絹)し,梳綿機でくしけずった後,製条機またはコーマーでスライバーを作る。…

※「キャップ精紡機」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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