JPS56164981A - Composite polished brittle dial for portable watch - Google Patents

Composite polished brittle dial for portable watch

Info

Publication number
JPS56164981A
JPS56164981A JP6844580A JP6844580A JPS56164981A JP S56164981 A JPS56164981 A JP S56164981A JP 6844580 A JP6844580 A JP 6844580A JP 6844580 A JP6844580 A JP 6844580A JP S56164981 A JPS56164981 A JP S56164981A
Authority
JP
Japan
Prior art keywords
dial
brittle
pieces
portable watch
polished
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.)
Granted
Application number
JP6844580A
Other languages
Japanese (ja)
Other versions
JPS6236545B2 (en
Inventor
Yoshikazu Ono
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP6844580A priority Critical patent/JPS56164981A/en
Publication of JPS56164981A publication Critical patent/JPS56164981A/en
Publication of JPS6236545B2 publication Critical patent/JPS6236545B2/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

PURPOSE:To widen the design of a dial and make it higher in grade by combining two or more kinds of brittle materials such as precious stones, glass or ceramics and simultaneously polishing their surfaces. CONSTITUTION:This is a dial using dissimilar kinds of brittle pieces 1, 2, and first the pieces 1, 2 are shaped by ultrasonic working or the like. The shaped pieces 1, 2 are bonded by means of adhesives to a substrate, and the pieces 1, 2 are also bonded to the surface of a polishing guide plate. These are simultaneously polished by both surfaces. Thereby, the dial which reflects the light from a light source at the same angle, has no gaps in the joined parts, is superior and is beautiful is obtained.
JP6844580A 1980-05-23 1980-05-23 Composite polished brittle dial for portable watch Granted JPS56164981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6844580A JPS56164981A (en) 1980-05-23 1980-05-23 Composite polished brittle dial for portable watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6844580A JPS56164981A (en) 1980-05-23 1980-05-23 Composite polished brittle dial for portable watch

Publications (2)

Publication Number Publication Date
JPS56164981A true JPS56164981A (en) 1981-12-18
JPS6236545B2 JPS6236545B2 (en) 1987-08-07

Family

ID=13373899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6844580A Granted JPS56164981A (en) 1980-05-23 1980-05-23 Composite polished brittle dial for portable watch

Country Status (1)

Country Link
JP (1) JPS56164981A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62168488U (en) * 1986-04-15 1987-10-26
FR2752464A1 (en) * 1996-08-14 1998-02-20 Renaud & Papi Sa Mineral one piece support or backing plate for watch or clock

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931377U (en) * 1972-06-20 1974-03-18
JPH067296U (en) * 1990-12-03 1994-01-28 沖電気工業株式会社 Electronic device housing structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931377U (en) * 1972-06-20 1974-03-18
JPH067296U (en) * 1990-12-03 1994-01-28 沖電気工業株式会社 Electronic device housing structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62168488U (en) * 1986-04-15 1987-10-26
FR2752464A1 (en) * 1996-08-14 1998-02-20 Renaud & Papi Sa Mineral one piece support or backing plate for watch or clock

Also Published As

Publication number Publication date
JPS6236545B2 (en) 1987-08-07

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