DE3787360D1 - Watch case part. - Google Patents

Watch case part.

Info

Publication number
DE3787360D1
DE3787360D1 DE87119033T DE3787360T DE3787360D1 DE 3787360 D1 DE3787360 D1 DE 3787360D1 DE 87119033 T DE87119033 T DE 87119033T DE 3787360 T DE3787360 T DE 3787360T DE 3787360 D1 DE3787360 D1 DE 3787360D1
Authority
DE
Germany
Prior art keywords
watch case
case part
watch
case
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
DE87119033T
Other languages
German (de)
Other versions
DE3787360T2 (en
Inventor
Nobutaka Chiba
Hiroshi Namiki Preci Matsumura
Kenichi Namiki Precision Sakai
Masao Itami Works Maruyama
Atsushi Itami Works Seki
Yoshihiro Itami Works Minato
Yoshiki Itami Works 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
Application granted granted Critical
Publication of DE3787360D1 publication Critical patent/DE3787360D1/en
Publication of DE3787360T2 publication Critical patent/DE3787360T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE87119033T 1986-12-29 1987-12-22 Watch case part. Expired - Fee Related DE3787360T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61314191A JPS63168585A (en) 1986-12-29 1986-12-29 Raw working material for timepiece frame

Publications (2)

Publication Number Publication Date
DE3787360D1 true DE3787360D1 (en) 1993-10-14
DE3787360T2 DE3787360T2 (en) 1994-01-13

Family

ID=18050356

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87119033T Expired - Fee Related DE3787360T2 (en) 1986-12-29 1987-12-22 Watch case part.

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60221874T2 (en) * 2001-09-21 2008-01-17 Citizen Holdings Co., Ltd., Nishitokyo EXTERNAL PART OF A CLOCK AND METHOD FOR PRODUCING THE PART

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50126468A (en) * 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 (en) * 1982-01-27 1983-07-30 Hitachi Ltd Diffusion bonding method of sintered hard alloy and steel
US4702769A (en) * 1982-05-21 1987-10-27 Toshiba Tungaloy Co., Ltd. Sintered alloy for decoration
JPS6240357A (en) * 1985-08-14 1987-02-21 Seiko Instr & Electronics Ltd Production of thermally sprayed case

Also Published As

Publication number Publication date
DE3787360T2 (en) 1994-01-13
JPS63168585A (en) 1988-07-12
KR880008097A (en) 1988-08-30
EP0273359A3 (en) 1989-05-10
JPH0575277B2 (en) 1993-10-20
EP0273359A2 (en) 1988-07-06
EP0273359B1 (en) 1993-09-08
KR940001046B1 (en) 1994-02-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee