JPS5877825U - magnetic drum - Google Patents

magnetic drum

Info

Publication number
JPS5877825U
JPS5877825U JP17226581U JP17226581U JPS5877825U JP S5877825 U JPS5877825 U JP S5877825U JP 17226581 U JP17226581 U JP 17226581U JP 17226581 U JP17226581 U JP 17226581U JP S5877825 U JPS5877825 U JP S5877825U
Authority
JP
Japan
Prior art keywords
magnetic drum
aluminum
outer tube
abstract
tube made
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17226581U
Other languages
Japanese (ja)
Inventor
博 竹野
正己 山下
Original Assignee
電気化学工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 電気化学工業株式会社 filed Critical 電気化学工業株式会社
Priority to JP17226581U priority Critical patent/JPS5877825U/en
Publication of JPS5877825U publication Critical patent/JPS5877825U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図及び第２図は本考案の実施例を表わす。 符号、１・・・・・・アルミニウム管またはアルミニウ
ム合金管、２・・・・・・銅管または銅合金管、３・・
・・・・強磁性材料層、４・・・・・・二重管、５・・
面保護膜。1 and 2 represent an embodiment of the invention. Code, 1... Aluminum tube or aluminum alloy tube, 2... Copper tube or copper alloy tube, 3...
...Ferromagnetic material layer, 4...Double tube, 5...
Face protection film.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アルミニウム又はアルミニウム合金製の内管と表面が鏡
面仕上げした銅又は調合金製の外管とを接合した二重管
からなり、しかもその外管表面に強磁性材料層を形成さ
せたことを特徴とする磁気ドラム。It consists of a double tube in which an inner tube made of aluminum or aluminum alloy is joined to an outer tube made of copper or prepared alloy with a mirror-finished surface, and a ferromagnetic material layer is formed on the surface of the outer tube. magnetic drum.
JP17226581U 1981-11-19 1981-11-19 magnetic drum Pending JPS5877825U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17226581U JPS5877825U (en) 1981-11-19 1981-11-19 magnetic drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17226581U JPS5877825U (en) 1981-11-19 1981-11-19 magnetic drum

Publications (1)

Publication Number Publication Date
JPS5877825U true JPS5877825U (en) 1983-05-26

Family

ID=29964166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17226581U Pending JPS5877825U (en) 1981-11-19 1981-11-19 magnetic drum

Country Status (1)

Country Link
JP (1) JPS5877825U (en)

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