DE2309810A1 - WATERPROOF WATCH CASE - Google Patents

Description

DlPL-INQ. DIETER JANDER DR.-INQ. MANFRED BDNINQ Patent attorneys delivery address:

reply to:

β MÖNCHEN 80 (BOGENHAUSEN) 1 BERUN 33 (DAHlEM)

KOLBERGEB STRASSE 21 HÜTTENWEG 15 Telephone: 0811/982704 Telephone: 0311/8324064 Telegrams: Consideration Berlin

1087/13 985 DE February 23, 1973

Patent registration of the company

OMEGA

Louis Brandt & FrSre S.A., 96, rue StampfIi Biel / Switzerland

"Waterproof ear case"

The invention relates to a waterproof watch case comprising a lower part, consisting of a base and a rim, a glass and a socket that surrounds the glass and is connected to the lower part.

Known watch cases of this type are relatively complicated educated. This is especially true if the watch case is not round. You have several grooves on different

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Postal checking account Berlin West 174384 Berliner Bank AG., Deposi lenk asse 1

DIPL-ING. DIETER JANDER DR.-INCJ. MANFRED BONING PATENT LAWYERS

those places in which there are sealing rings. Due to the watch dimensions and the required Precision tooling and manufacturing costs are high even when using standard materials such as stainless steel, can be used. If particularly hard materials, such as metal carbide or artificial gemstones, obtained by sintering corundum are used, the costs mentioned increase accordingly.

The invention is based on the object of simplifying the construction of the clock mentioned at the beginning in order to and to reduce manufacturing costs and increase the water resistance of the watch.

This object is achieved according to the invention in that between the socket on the one hand and the glass and the lower part on the other hand, there is a sealing ring which is compressed radially in such a way that the seal is achieved and the parts will be held together.

Further details of the invention emerge from the drawing in connection with the following description.

In the drawing, FIGS. 1 to 5 show five different exemplary embodiments.

In the embodiment of FIG. 1, a movement 1 is located within a lower part 2. A glass 3 is from a dial 4 separated by a ring 5. One Rotation of the movement 1 is prevented by a winding pin, not shown, which laterally penetrates the housing 2. A socket 6 has an incision 10 on its inner side and at the same time acts as a snap mechanism. A sealing ring 7 rests in the incision 10.

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DIPL.-INQ. DIETER JANDER DR.-INC /. MANFRED BONINC PATENT LAWYERS

If the individual parts are assembled in the manner shown, the sealing ring 7 is radially between the version 6 and the glass 3 or an annular projection of the Lower part 2 pressed together such that on the one hand a watertight connection is created and on the other hand the Individual parts are held together.

It is important that the sealing ring 7 with the lateral surface 8 of the glass 3 and the surface 9 of the ring projection is in firm contact, which is caused by the pressure of the surface 10 version 6 is exercised.

In the lower part 2 there are two or more holes 11 which are symmetrically distributed on the edge of the lower part 2. The holes 11 are covered by the mount 6 at the top. Their purpose is explained below.

The watch is assembled as follows: The movement 1 with pointers (not shown) and dial 4 is inserted into the lower part 2. Then the pull-up pin is inserted. Finally, the ring 5 and then the Dichtu. inserted during 7. Then the glass 3 is in the interior of the sealing ring 7 pressed in until it rests on the ring 5. This in turn lightly touches the dial 4-, with tolerances to be observed in such a way that the movement 1 is fixed in the axial direction. In the end the socket 6 is pressed onto the sealing ring 7, so that the seal is created and all parts have their hold.

The clock is opened in reverse order. The holes 11 are provided for this purpose because they allow the holder 6 to be easily removed of a tool (not shown) which is equipped with bolts, which with regard to their diameter, their number and their distances correspond to the holes 11, one can

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DIPL.-INO. DIETER JANDER DR.-INC-MANFRED BONING

PATENT LAWYERS

exert a pressure on the surfaces 12 of the holder 6 and in this way push the latter off the lower part 2. Appropriately for this purpose the counter pressure is applied by applying pressure to the glass 3 or a suitable surface of the lower part 2 generated

The holes 11 can also be equipped with internal threads. By means of suitable threaded bolts that are screwed into the holes 11 the socket 6 can then also be pressed off.

The essential difference between the embodiment of FIG. 2 and that of FIG. 1 is that the dial 4 Is shaped like a plate, the edge 14 between the inner surface 15 of the glass 3 and the surface 16 of the lower part 2 is constrained, so that the ring 5 is dispensable.

The embodiment of FIG. 3 is similar to that of FIG. 1. However an O-ring 17 is also provided in the former, which increases the water tightness and between the inner surface 15 of the Glass 3 and the surface 16 of the lower part 2 is arranged. A lateral evasion of the O-ring 17 into the interior of the The lower part is prevented by the ring 5 to the outside by the sealing ring 7.

The embodiments of FIGS. 4 and 5 correspond to Principle those of Figs. 1 and 2. However, they have differently shaped sealing rings 7:

In the embodiment of FIG. 4, the sealing ring has 7 a step, wherein the inner surface of the inwardly offset part of the sealing ring rests against the ring 5. The chosen one The shape of the sealing ring 7 increases the tightness of the watch.

In the embodiment of FIG. 5, that of the embodiment corresponds to FIG. 2, the sealing ring 7 has an L-shaped cross section. The lower angled part of the seal

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DIPL-INO. DIETER JANDER DR.-INQ. MANFRED BONINC PATENT LAWYERS

ring 7 rests in a groove on the outside of the ring projection 2. This embodiment makes it easier to open the clock, because when pressing the socket 6 of the sealing ring 7 »the glass 3 and the dial remain in their position.

Of course, the glass, which is flat in all embodiments, can also be convex or concave.

309837/0859

Claims (1)

DIPL..INQ. DIETER JANDER DR.-INCJ. MANFRED BONIN (J. PATENT LAWYERS Claims ί 1 J Waterproof watch case consisting of a lower part, consisting of a base and a rim, a glass and a socket surrounding the glass and connected to the lower part, characterized in that between the socket (6) on the one hand and the glass (3) and the lower part (2) on the other hand is a sealing ring (7) which is radially compressed in such a way that the tightness is achieved and the parts are held together. 2. Watch case according to claim 1, characterized in that between the fit (6) and a snap mechanism is located on the glass (3). 3. Watch case according to claim 1 or 2, characterized in that the extension of the sealing ring (7) is large in the axial direction compared to its thickness. 4. Watch case according to claim 3, characterized in that the sealing ring (7) of the lateral surface (8) of the glass (3) at least halfway in the axial direction and the lower part (2) at least rests on the same extent, preferably at least twice as long. 5- watch case according to one or more of claims 1 to 4, characterized in that the sealing ring (7) rests in an incision (10) in the socket (6) which is preferably open towards the lower part (2). 6. Watch case according to one or more of claims 1 to 5 »characterized in that the lower part (2) forms an annular projection against which the sealing ring (7) rests. 309837/0859 DIPL-INC /. DIETER JANDER DR. ING. MANFRED BONINC PATENT LAWYERS 7. watch case according to claim 6, characterized in that the glass (3) on the annular projection optionally with the interposition of further parts (5, 16 and / or 17). 8. Watch case according to one or more of claims 1 to 7, characterized in that the edge of the Lower part (2) preferably directly next to its periphery, several preferably symmetrical to one another arranged holes (11) which go from the back of the lower part (2) to the socket (6) and the insertion of bolts, preferably attached to a tool, are used to press the fit (6). 9. watch case according to claim 8, characterized in that the holes (11) and the bolts are threaded. 10. Watch case according to one or more of claims 1 to 9, characterized in that the edge (14) of the dial (A-), which preferably looks like a plate - ** is formed, is pressed between the glass (3) and the annular projection of the lower part (2). 11. Watch case according to one or more of claims 1 to 9, characterized in that between the Glass (3) and a ring (5) is pressed into the ring projection. 12. Watch case according to claim 11, characterized in that the ring (5) the dial (4-) and this and the movement (1) holds in their positions in the axial direction. 13 · Watch case according to one or more of Claims 6 to 30983 7/085 9 DIPL. INQ. DIETER JANDEK DR-ING. MANFRED BONINC PAT £ NTANWALTE - O - 12, characterized in that there is an O-sealing ring (17) between the ring projection and the glass (3) is located. Watch case according to one or more of Claims 1 to 13, characterized in that the sealing ring (7) has a stepped cross-section. 15. Watch case according to claim 14, characterized in that the part facing the glass (3) of the sealing ring (7) has a smaller diameter than the rest (Fig. 4). 16. Watch case according to one or more of claims 1 to 15 »characterized in that the sealing ring (7) has an L-shaped cross-section and the short leg of the L goes inwards into a groove in the annular projection protrudes (Fig. 5). DJ: DG 309837/0859