JPS5767875A - Waterproofing device for back cover of portable watch - Google Patents

Waterproofing device for back cover of portable watch

Info

Publication number
JPS5767875A
JPS5767875A JP14483080A JP14483080A JPS5767875A JP S5767875 A JPS5767875 A JP S5767875A JP 14483080 A JP14483080 A JP 14483080A JP 14483080 A JP14483080 A JP 14483080A JP S5767875 A JPS5767875 A JP S5767875A
Authority
JP
Japan
Prior art keywords
back cover
dowels
cover
working
parts
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
JP14483080A
Other languages
Japanese (ja)
Other versions
JPS6131433B2 (en
Inventor
Kunihiko Higuchi
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 JP14483080A priority Critical patent/JPS5767875A/en
Publication of JPS5767875A publication Critical patent/JPS5767875A/en
Publication of JPS6131433B2 publication Critical patent/JPS6131433B2/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
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Casings For Electric Apparatus (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:To stabilize the pressability, fixing force, etc. of a back cover by providing plural gnawing dowels which project outward in one piece at >=2 places in the upper part of the outside circumferential rising part of the circular back cover having one or plural prying-to open parts in the outermost circumferential parts. CONSTITUTION:A packing 3 for maintaining waterproofness is mounted to a back cover 1 and dowels 1a are provided in one piece to a number of places in the upper part of the outside circumferntial rising part 1b of the cover 1. Said dowels 1 are gnawed to the gnawing groove 2a of a case band 2. Here, the cover 1 is beforehand formed into the shape relieved of the part projecting to the bore of the case band, a button part or a crown part, and movement projecting parts. Then, a finished product is obtained by the easy working involving blanking and drawing alone, there are no problems in appearance, costs are considerably lower on account of saving of working and deburring, working is easy, quality is stable and the back cover of mass productivity is obtained.
JP14483080A 1980-10-16 1980-10-16 Waterproofing device for back cover of portable watch Granted JPS5767875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14483080A JPS5767875A (en) 1980-10-16 1980-10-16 Waterproofing device for back cover of portable watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14483080A JPS5767875A (en) 1980-10-16 1980-10-16 Waterproofing device for back cover of portable watch

Publications (2)

Publication Number Publication Date
JPS5767875A true JPS5767875A (en) 1982-04-24
JPS6131433B2 JPS6131433B2 (en) 1986-07-19

Family

ID=15371428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14483080A Granted JPS5767875A (en) 1980-10-16 1980-10-16 Waterproofing device for back cover of portable watch

Country Status (1)

Country Link
JP (1) JPS5767875A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389158A (en) * 1986-10-02 1988-04-20 株式会社　安眠 Massager
JPS6359635U (en) * 1986-10-02 1988-04-20

Also Published As

Publication number Publication date
JPS6131433B2 (en) 1986-07-19

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