JPS57172277A - Manufacture of floating display member for clock - Google Patents

Manufacture of floating display member for clock

Info

Publication number
JPS57172277A
JPS57172277A JP5799681A JP5799681A JPS57172277A JP S57172277 A JPS57172277 A JP S57172277A JP 5799681 A JP5799681 A JP 5799681A JP 5799681 A JP5799681 A JP 5799681A JP S57172277 A JPS57172277 A JP S57172277A
Authority
JP
Japan
Prior art keywords
punch
inclined part
display member
die
substrate
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
JP5799681A
Other languages
Japanese (ja)
Inventor
Yoichi Kodaira
Katsuhiro Kobayashi
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.)
HAMASAWA KOGYO KK
Original Assignee
HAMASAWA KOGYO 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 HAMASAWA KOGYO KK filed Critical HAMASAWA KOGYO KK
Priority to JP5799681A priority Critical patent/JPS57172277A/en
Publication of JPS57172277A publication Critical patent/JPS57172277A/en
Pending 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
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Punching Or Piercing (AREA)

Abstract

PURPOSE:To obtain a floating display member which is free from a shearing crack, etc., and excellent in its weather resistance, by executing the shearing compession coupling working onto the surface of a display member substrate, and forming a projecting part such as a time display piece, and index, etc. CONSTITUTION:A dial substrate 1 on which a plating layer 5 and a surface protective film 6 such as lacquer, etc. have been formed is placed between a die 3 and a stripper 7, and by movement of a punch 4, only the tip trapezoidal part of the punch is deformed in the groove of the die 3, and an index part 2 is floated out. When the punch 4 is pushed deep into the dial substrate 1, the plating layer 5 and the surface protective film 6 of the side of the dial substrate are compressed and cut by friction and compression of an inclined part 4a of the punch 4 and an inclined part 3a of the trapezoidal die, and also the metallic structure becomes elaborate and its strength is elevated by friction and compression of the inclined part 3a due to an inclination theta2 of the inclined part 3a and 4a.
JP5799681A 1981-04-17 1981-04-17 Manufacture of floating display member for clock Pending JPS57172277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5799681A JPS57172277A (en) 1981-04-17 1981-04-17 Manufacture of floating display member for clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5799681A JPS57172277A (en) 1981-04-17 1981-04-17 Manufacture of floating display member for clock

Publications (1)

Publication Number Publication Date
JPS57172277A true JPS57172277A (en) 1982-10-23

Family

ID=13071610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5799681A Pending JPS57172277A (en) 1981-04-17 1981-04-17 Manufacture of floating display member for clock

Country Status (1)

Country Link
JP (1) JPS57172277A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61149483A (en) * 1984-12-22 1986-07-08 Iwata Denko Kk Blank material for forming metallic product
JPS62197232A (en) * 1985-12-21 1987-08-31 ヒユメン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・マシ−ネン・ウント・アンラ−ゲンバウ Method and apparatus for producing compression, polishing and engraved structure by press thin plate, press ram, pressroll, press band, press sheet or analogues

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61149483A (en) * 1984-12-22 1986-07-08 Iwata Denko Kk Blank material for forming metallic product
JPS62197232A (en) * 1985-12-21 1987-08-31 ヒユメン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・マシ−ネン・ウント・アンラ−ゲンバウ Method and apparatus for producing compression, polishing and engraved structure by press thin plate, press ram, pressroll, press band, press sheet or analogues

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