JPS5752544A - Production of hand - Google Patents

Production of hand

Info

Publication number
JPS5752544A
JPS5752544A JP55128113A JP12811380A JPS5752544A JP S5752544 A JPS5752544 A JP S5752544A JP 55128113 A JP55128113 A JP 55128113A JP 12811380 A JP12811380 A JP 12811380A JP S5752544 A JPS5752544 A JP S5752544A
Authority
JP
Japan
Prior art keywords
pipe
hand
coining
same time
rear surface
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
JP55128113A
Other languages
Japanese (ja)
Inventor
Tsuneji Takasugi
Katsuzo Hirayama
Kazuyuki Neko
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.)
AGEO SEIMITSU KK
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
AGEO SEIMITSU KK
Citizen Holdings Co Ltd
Citizen Watch 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 AGEO SEIMITSU KK, Citizen Holdings Co Ltd, Citizen Watch Co Ltd filed Critical AGEO SEIMITSU KK
Priority to JP55128113A priority Critical patent/JPS5752544A/en
Publication of JPS5752544A publication Critical patent/JPS5752544A/en
Pending legal-status Critical Current

Links

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)

Abstract

PURPOSE: To obtain a hand of good appearance by projecting a pipe by coining to the rear surface of a second hand body and at the same time, providing a hole part for mounting movement to this pipe.
CONSTITUTION: A pipe is projected by coining to the rear surface of a second hand body consisting of a mild metallic blank material such as Al or Al alloy; at the same time, a hole part for mounting movement is worked to this pipe. The surface part is cut with a diamond in order to obtain desired thickness and specular finish; in addition, it is subjected to blanking of an outside shape simultaneously with forming of a surface shape by striking.
COPYRIGHT: (C)1982,JPO&Japio
JP55128113A 1980-09-16 1980-09-16 Production of hand Pending JPS5752544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55128113A JPS5752544A (en) 1980-09-16 1980-09-16 Production of hand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55128113A JPS5752544A (en) 1980-09-16 1980-09-16 Production of hand

Publications (1)

Publication Number Publication Date
JPS5752544A true JPS5752544A (en) 1982-03-29

Family

ID=14976693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55128113A Pending JPS5752544A (en) 1980-09-16 1980-09-16 Production of hand

Country Status (1)

Country Link
JP (1) JPS5752544A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002100A1 (en) * 1998-07-03 2000-01-13 Citizen Watch Co., Ltd. Method of manufacturing hand for analog electronic timepiece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002100A1 (en) * 1998-07-03 2000-01-13 Citizen Watch Co., Ltd. Method of manufacturing hand for analog electronic timepiece
US6519853B1 (en) 1998-07-03 2003-02-18 Citizen Watch Co., Ltd. Method of manufacturing hand for analog electronic timepiece

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