JPH0575277B2 - - Google Patents

Info

Publication number
JPH0575277B2
JPH0575277B2 JP61314191A JP31419186A JPH0575277B2 JP H0575277 B2 JPH0575277 B2 JP H0575277B2 JP 61314191 A JP61314191 A JP 61314191A JP 31419186 A JP31419186 A JP 31419186A JP H0575277 B2 JPH0575277 B2 JP H0575277B2
Authority
JP
Japan
Prior art keywords
workpiece
base member
cemented carbide
watch frame
sintering
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.)
Expired - Fee Related
Application number
JP61314191A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63168585A (ja
Inventor
Nobutaka Chiba
Hiroshi Matsumura
Kenichi Sakai
Masao Maruyama
Atsushi Seki
Yoshihiro Minato
Yoshiki Maeda
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.)
Namiki Precision Jewel Co Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Namiki Precision Jewel Co Ltd
Sumitomo Electric Industries 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 Namiki Precision Jewel Co Ltd, Sumitomo Electric Industries Ltd filed Critical Namiki Precision Jewel Co Ltd
Priority to JP61314191A priority Critical patent/JPS63168585A/ja
Priority to DE87119033T priority patent/DE3787360T2/de
Priority to EP87119033A priority patent/EP0273359B1/en
Priority to KR1019870015209A priority patent/KR940001046B1/ko
Publication of JPS63168585A publication Critical patent/JPS63168585A/ja
Publication of JPH0575277B2 publication Critical patent/JPH0575277B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Powder Metallurgy (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
JP61314191A 1986-12-29 1986-12-29 時計枠用加工素材およびその製造方法 Granted JPS63168585A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61314191A JPS63168585A (ja) 1986-12-29 1986-12-29 時計枠用加工素材およびその製造方法
DE87119033T DE3787360T2 (de) 1986-12-29 1987-12-22 Uhrengehäuseteil.
EP87119033A EP0273359B1 (en) 1986-12-29 1987-12-22 Workpiece for a watchcase
KR1019870015209A KR940001046B1 (ko) 1986-12-29 1987-12-29 시계 케이스용 가공소재

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61314191A JPS63168585A (ja) 1986-12-29 1986-12-29 時計枠用加工素材およびその製造方法

Publications (2)

Publication Number Publication Date
JPS63168585A JPS63168585A (ja) 1988-07-12
JPH0575277B2 true JPH0575277B2 (enExample) 1993-10-20

Family

ID=18050356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61314191A Granted JPS63168585A (ja) 1986-12-29 1986-12-29 時計枠用加工素材およびその製造方法

Country Status (4)

Country Link
EP (1) EP0273359B1 (enExample)
JP (1) JPS63168585A (enExample)
KR (1) KR940001046B1 (enExample)
DE (1) DE3787360T2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60221874T2 (de) * 2001-09-21 2008-01-17 Citizen Holdings Co., Ltd., Nishitokyo Externes teil einer uhr und verfahren zu herstellung des teils

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50126468A (enExample) * 1974-03-26 1975-10-04
JPS53149149A (en) * 1977-06-01 1978-12-26 Hitachi Ltd Diffusion welding method
US4252862A (en) * 1977-06-10 1981-02-24 Nobuo Nishida Externally ornamental golden colored part
JPS5588991A (en) * 1978-12-27 1980-07-05 Seiko Epson Corp Production of external decorative parts for portable watch
GB2094034B (en) * 1981-02-20 1985-01-30 Citizen Watch Co Ltd Structure of watch case
JPS58128281A (ja) * 1982-01-27 1983-07-30 Hitachi Ltd 超硬合金と鋼との拡散接合方法
US4702769A (en) * 1982-05-21 1987-10-27 Toshiba Tungaloy Co., Ltd. Sintered alloy for decoration

Also Published As

Publication number Publication date
JPS63168585A (ja) 1988-07-12
EP0273359A2 (en) 1988-07-06
KR880008097A (ko) 1988-08-30
EP0273359B1 (en) 1993-09-08
EP0273359A3 (en) 1989-05-10
DE3787360T2 (de) 1994-01-13
KR940001046B1 (ko) 1994-02-08
DE3787360D1 (de) 1993-10-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees