CH671670GA3 - Plastic watch-case - uses lugs on base which locate in glass carrier by bayonet action - Google Patents
Plastic watch-case - uses lugs on base which locate in glass carrier by bayonet action Download PDFInfo
- Publication number
- CH671670GA3 CH671670GA3 CH431187A CH431187A CH671670GA3 CH 671670G A3 CH671670G A3 CH 671670GA3 CH 431187 A CH431187 A CH 431187A CH 431187 A CH431187 A CH 431187A CH 671670G A3 CH671670G A3 CH 671670GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- base
- case
- watch
- locate
- lugs
- Prior art date
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
- G04B37/225—Non-metallic 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
- G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches
- G04B37/113—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches without special hermetic sealing pieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Casings For Electric Apparatus (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
The watch case is made out of plastic and consists of a base and a glassholder. The base has three lugs attached to it and the glassholder three apertures into which the lugs fit. The two pieces of the water are then rotated against each other to engage in position as in the manner of a bayonet connector. The base and glassholder can be eccentric, eliptical or oval. A stud is positioned on the glass holder to prevent excessive rotation of the pieces. The rest of the watch including the watch glass and the movement are assembled as per normal. ADVANTAGE - Easy method of assembly using plastic components.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH431187A CH671670GA3 (en) | 1987-11-05 | 1987-11-05 | Plastic watch-case - uses lugs on base which locate in glass carrier by bayonet action |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH431187A CH671670GA3 (en) | 1987-11-05 | 1987-11-05 | Plastic watch-case - uses lugs on base which locate in glass carrier by bayonet action |
Publications (2)
Publication Number | Publication Date |
---|---|
CH671670GA3 true CH671670GA3 (en) | 1989-09-29 |
CH671670B5 CH671670B5 (en) | 1990-03-30 |
Family
ID=4273716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH431187A CH671670GA3 (en) | 1987-11-05 | 1987-11-05 | Plastic watch-case - uses lugs on base which locate in glass carrier by bayonet action |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH671670GA3 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH5284A (en) * | 1892-05-09 | 1892-11-15 | Berliner Patent Spielwaarenfab | Piston and valveless suction and pressure mechanism |
FR1120044A (en) * | 1954-03-05 | 1956-06-28 | United States Time Corp | Liquid and dust proof watch case |
CH338405A (en) * | 1958-08-26 | 1959-05-15 | Georges Ruedin S A | Waterproof watch box |
US3386239A (en) * | 1966-06-16 | 1968-06-04 | Shiffman Jerome | Combination plastic watch case and crystal |
-
1987
- 1987-11-05 CH CH431187A patent/CH671670GA3/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH5284A (en) * | 1892-05-09 | 1892-11-15 | Berliner Patent Spielwaarenfab | Piston and valveless suction and pressure mechanism |
FR1120044A (en) * | 1954-03-05 | 1956-06-28 | United States Time Corp | Liquid and dust proof watch case |
CH338405A (en) * | 1958-08-26 | 1959-05-15 | Georges Ruedin S A | Waterproof watch box |
US3386239A (en) * | 1966-06-16 | 1968-06-04 | Shiffman Jerome | Combination plastic watch case and crystal |
Also Published As
Publication number | Publication date |
---|---|
CH671670B5 (en) | 1990-03-30 |
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