JPS5372722A - Watchcase - Google Patents

Watchcase

Info

Publication number
JPS5372722A
JPS5372722A JP14785176A JP14785176A JPS5372722A JP S5372722 A JPS5372722 A JP S5372722A JP 14785176 A JP14785176 A JP 14785176A JP 14785176 A JP14785176 A JP 14785176A JP S5372722 A JPS5372722 A JP S5372722A
Authority
JP
Japan
Prior art keywords
watchcase
aging
alloy
followed
improve
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
JP14785176A
Other languages
Japanese (ja)
Inventor
Kazumi Shimotori
Tsutae Takahashi
Isao Izumi
Makoto Shirokane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14785176A priority Critical patent/JPS5372722A/en
Publication of JPS5372722A publication Critical patent/JPS5372722A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the wear resistance of a watchcase made of Cr-Ni alloy by adding Al≥2.5% to the surface of the watchcase followed by aging.
COPYRIGHT: (C)1978,JPO&Japio
JP14785176A 1976-12-10 1976-12-10 Watchcase Pending JPS5372722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14785176A JPS5372722A (en) 1976-12-10 1976-12-10 Watchcase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14785176A JPS5372722A (en) 1976-12-10 1976-12-10 Watchcase

Publications (1)

Publication Number Publication Date
JPS5372722A true JPS5372722A (en) 1978-06-28

Family

ID=15439681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14785176A Pending JPS5372722A (en) 1976-12-10 1976-12-10 Watchcase

Country Status (1)

Country Link
JP (1) JPS5372722A (en)

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