EP3973362A1 - Uhrglas mit einem dekorativen element - Google Patents
Uhrglas mit einem dekorativen elementInfo
- Publication number
- EP3973362A1 EP3973362A1 EP21724207.2A EP21724207A EP3973362A1 EP 3973362 A1 EP3973362 A1 EP 3973362A1 EP 21724207 A EP21724207 A EP 21724207A EP 3973362 A1 EP3973362 A1 EP 3973362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass
- recess
- area
- decorative element
- watch
- 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
Links
- 239000011521 glass Substances 0.000 title claims abstract description 582
- 239000000463 material Substances 0.000 claims description 61
- 239000010437 gem Substances 0.000 claims description 43
- 229910001751 gemstone Inorganic materials 0.000 claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000004575 stone Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 127
- 238000000034 method Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000010432 diamond Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011049 pearl Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229910052594 sapphire Inorganic materials 0.000 description 4
- 239000010980 sapphire Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 241000579895 Chlorostilbon Species 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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
- G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
-
- 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
- G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
- G04B39/002—Watch crystals; Fastening or sealing of crystals; Clock glasses made of glass
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C17/00—Gems or the like
- A44C17/02—Settings for holding gems or the like, e.g. for ornaments or decorations
- A44C17/0258—Settings for holding gems or the like, e.g. for ornaments or decorations rotatably or pivotably arranged
-
- 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
- G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
- G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
- G04B47/042—Fastening of jewels and the like
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C17/00—Gems or the like
- A44C17/02—Settings for holding gems or the like, e.g. for ornaments or decorations
-
- 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
Definitions
- the invention relates to a watch glass with a decorative element and a watch with such a watch glass.
- Watch glasses with decorative elements are well known.
- the prior art knows a wide variety of solutions for arranging decorative elements on the watch glass.
- it is a common method to attach decorative elements to the watch glass by means of a socket.
- a watch glass which comprises a first glass, a second glass and a decorative element, in particular a gemstone.
- the first glass and the second glass are connected to one another via a connecting intermediate layer.
- the first glass has a continuous recess and the decorative element has a base area.
- the base area is stunned in the continuous recess of the first glass and is in direct contact with the connecting intermediate layer.
- no socket is provided in the watch glass by means of which the decorative element or its base area is held in the recess of the first glass.
- the staggered arrangement of the decorative element gives the watch glass a special appearance, since the decorative element comes to the fore from an optical point of view and preferably even seems to float in or on the watch glass.
- the decorative element is visible directly and not through a glass due to the continuous configuration of the recess of the first glass.
- the decorative element in particular a gemstone, appears realistic, since part of the light that hits the first glass hits, is radiated directly onto the decorative element and is not weakened by a glass covering the decorative element.
- the watch glass is thus designed to be unbreakable as a unit, since microcracks, which can potentially arise from the shaping of the recess, end at the connecting intermediate layer and are therefore not transferred to the second glass.
- the first glass has two or more, for example twelve, continuous recesses with corresponding decorative elements. The more recesses there are in a glass, the smaller the distance between the recesses and the more likely it is that microcracks in adjacent recesses will continue and be connected to one another due to mechanical stress on the glass, which ultimately leads to a breakthrough of the glass can lead.
- the mechanical stress on the first glass when the decorative elements strike it can be reduced, since the impact energy is also distributed to the second glass via the connecting intermediate layer and is absorbed by it. This prevents a connection between neighboring microcracks, which could otherwise cause the glass to break through.
- the connecting intermediate layer can compensate for potential deviations in surface area of the glasses, which results in a very stable connection between the glasses.
- the base region of the decorative element is in direct contact only with the connecting intermediate layer or only with the connecting intermediate layer and air.
- a frame is understood in particular to be a metal frame, for example a gold frame.
- the first glass is advantageously arranged on the second glass.
- the first glass and the second glass are preferably each designed as a glass pane.
- the first glass and the second glass are preferably connected flatly to one another via the connecting intermediate layer.
- the second glass preferably does not have a recess which is formed continuously and in particular is aligned with the recess of the first glass.
- the second glass is particularly preferably designed to be continuous, that is to say that the second glass has no recess. In the latter case there is / are only one or in the first glass several continuous recesses provided. In this way, watertightness of the watch glass and thus also of a watch having the watch glass can be guaranteed.
- the second glass preferably has a recess which, in particular, is designed to be continuous.
- the continuous recess of the first glass (first recess) and the recess of the second glass (second recess) form a watch glass recess.
- the first glass is made from sapphire glass.
- the connecting intermediate layer is arranged in particular between the first glass and the second glass, in particular between opposite surfaces of the glasses.
- the surface of the first glass facing the second glass can in particular also be referred to as the underside of the first glass.
- the surface of the second glass facing the first glass can in particular also be referred to as the upper side of the second glass.
- the first glass is referred to in particular as the glass on which the light hits first when the watch glass is arranged in a watch.
- the first glass and the second glass are materially connected to one another by the connecting intermediate layer.
- the connecting intermediate layer can preferably be formed from an organic or inorganic compound or adhesive or adhesive layer or an elastic film (also: composite film, in particular adhesive film).
- the connecting intermediate layer can be formed from cast resin.
- the casting resin can be, for example, a two-component epoxy resin or a UV-curing one-component adhesive.
- a thickness of the connecting intermediate layer at the location of the decorative element in the thickness direction of the glasses is between 5% and 12%, in particular between 7% and 10%, of a thickness of the watch glass (ie, the thickness of the arrangement of the first glass, the second glass and the connecting intermediate layer).
- the thickness of the connecting intermediate layer at the point of the decorative element in the thickness direction of the glasses is preferably between 12% and 22%, in particular between 14% and 20%, a thickness of the first glass and / or a thickness of the second glass.
- the connecting intermediate layer preferably has the same thickness at every point between the first glass and the second glass and / or at every point between the first glass and a lateral surface of the decorative element.
- the connecting intermediate layer is advantageously transparent.
- the connecting intermediate layer preferably has a refractive index which is equal to or substantially equal to the refractive index of the first glass and / or of the second glass.
- refractive index of the first glass is greater than the refractive index of the connecting intermediate layer.
- the refractive index of the connecting intermediate layer is 1.4 to 1.6, in particular 1.48.
- the connecting intermediate layer can be formed from an EVA laminating film (ethylene-vinyl acetate copolymer laminating film).
- EVA laminating film ethylene-vinyl acetate copolymer laminating film
- the decorative element is preferably a gemstone, in particular a precious stone or semi-precious stone, particularly preferably a diamond.
- the gemstone can be natural or synthetic.
- a gemstone is to be understood as a polished stone, in particular with optical properties, such as transparency.
- the gem can in particular be faceted.
- a gemstone is understood in particular as a gemstone which meets the following four criteria:
- Mohs hardness greater than or equal to 5, preferably greater than or equal to 6, particularly preferably greater than or equal to 7
- Refractive index greater than or equal to 1.56, preferably greater than or equal to 1.7
- diamonds, rubies, sapphires, and emeralds are precious stones.
- diamond has a Mohs hardness of 10 and a sapphire has a Mohs hardness of 9.
- a diamond has a refractive index of 2.4.
- the decorative element is particularly preferably a gemstone or gemstone with a Mohs hardness of at least 8, preferably at least 9, and / or a refractive index of at least 1.7.
- a glass part is in particular not understood as a gemstone (semi-precious stone, precious stone or other gemstone), even if the glass part consists of a material (starting material) which in its raw state is a gemstone (semiprecious stone, gemstone or other Gemstone).
- the glass part can for example be a quartz glass, the quartz glass not counting among the gemstones, even if quartz (starting material) is a gemstone.
- the decorative element can be a metal insert, for example a gold insert.
- the watch glass has a plurality of decorative elements, any combination of semi-precious stones, precious stones, other precious stones and metal inlays is possible.
- the base area preferably has an end face.
- the end face of the base region is preferably at least partially, in particular completely, in direct contact with the connecting intermediate layer.
- only the end face of the base region can be in direct contact with the connecting intermediate layer.
- the end face of the base region is in particular the side of the decorative element which faces the second glass and is in particular perpendicular to a thickness direction of the glasses.
- the thickness direction of the glasses is a direction perpendicular to the glasses.
- a circumferential surface of the base region can at least partially, in particular completely, be in direct contact with the connecting intermediate layer. Partial contact of the circumferential surface with the connecting intermediate layer means in the context of the invention in particular that the circumferential surface of the base area does not contact the connecting intermediate layer over its entire length and / or not completely circumferentially, i.e. not over 360 degrees. On the other hand, complete contact between the peripheral surface of the base region and the connecting intermediate layer means that the peripheral surface of the base region is in contact with the connecting intermediate layer over its entire length and over 360 degrees.
- the connecting intermediate layer in particular both connecting material, which is located between the opposing surfaces of the first glass and the second glass, and Bonding material, which is located between the peripheral surface of the base region of the decorative element and the first glass, may comprise.
- the base region or the end face of the base region can be referred to as “embedded in the connecting intermediate layer” if both the end face and at least part of the circumferential surface of the base region are in direct contact with the connecting intermediate layer.
- the base region of the decorative element is advantageously arranged completely in the recess of the first glass.
- the base area of the decorative element is only arranged in the recess of the first glass.
- the base region, in particular the end face, of the decorative element is preferably arranged flush with a surface (underside) of the first glass facing the second glass.
- the base region of the decorative element can end in the recess of the first glass. In the latter case, this means in particular that an end region, in particular the end face, of the base region is spaced apart from a surface of the first glass facing the second glass in the thickness direction of the glasses. Since the base area does not protrude into the second glass, the base area can remain partially or completely invisible from the side.
- a housing of a watch can also be made compact or more space can be available in the housing for the movement, the hands and the dial, since the decorative element does not protrude beyond the second glass.
- the base region of the decorative element is preferably designed in the shape of a pin.
- the base area is designed in the shape of a cylinder.
- the base region of the decorative element preferably has a depression, in particular a circumferential recess, in particular in a peripheral surface of the base region.
- the circumferential surface of the base region can also be referred to as a jacket surface within the scope of the invention.
- the depression is completely circumferential, ie over 360 degrees.
- the depression preferably has a depth in a direction perpendicular to the thickness direction of the glasses of at least 0.1 mm, preferably of at least 0.2 mm, particularly preferably of at least 0.3 mm.
- the depression has a constant depth.
- the recess is particularly preferably designed in the form of a ring.
- the decorative element can in particular only comprise the base area.
- the decorative element can preferably have an additional area which protrudes beyond the first glass.
- the visual impression of the watch glass can thus be shaped by the additional area of the decorative element.
- the decorative element is advantageously formed in one piece.
- the additional area can protrude beyond the first glass in the thickness direction of the glasses and / or in a direction perpendicular to the thickness direction, in particular in any direction perpendicular to the thickness direction.
- the additional area is advantageously arranged above the first glass or an upper side of the first glass.
- the wording "in every direction perpendicular to the thickness direction" means in particular that the additional area protrudes completely circumferentially, i.e. over 360 degrees, beyond the recess of the first glass.
- the base area can thus be optically covered by the additional area, which gives the impression that the decorative element is formed only from the additional area. At the same time, however, the base area ensures that the decorative element is firmly attached to the first glass.
- the decorative element according to the present invention and its described arrangement is advantageous, since in the event of a potential impact of the additional area the decorative element through its base area is fixed in the recess of the first glass and the impact energy is also distributed to the second glass via the connecting intermediate layer.
- the connection of a decorative element connected only to the upper side of the glass can be released relatively easily as a result of mechanical stress on the decorative element and / or over time.
- the additional area is preferably arranged on the first glass or on an upper side of the first glass. This means that an underside of the additional area, which faces the first glass, lies on the upper side of the first glass. There is preferably no material connection between the underside of the additional area and an upper side of the first glass. However, it is also possible for the opposing surfaces of the additional area and the first glass to be connected to one another in a materially bonded manner.
- a cross-sectional area of the additional area of the decorative element is preferably larger than a cross-sectional area of the recess on the plane of the upper side of the first glass.
- part of the additional area, in particular the entire additional area has a cross-sectional area which is larger than the cross-sectional area of the recess of the first glass on the plane of the top side of the first glass.
- the cross-sectional area of the additional area and / or the recess of the first glass is / are in particular perpendicular to the thickness direction of the glasses.
- a ratio of a length of the base region of the decorative element in the thickness direction of the glasses to a length of an overhang of the additional region in a direction perpendicular to the thickness direction, in particular to each direction perpendicular to the thickness direction, is selected such that light reflectable from the base region on an inner surface of the first Glass is totally reflective and / or at least part of the light which enters the first glass does not reach the base area.
- this ratio can preferably be selected such that at least part of the light, in particular all of the light that passes through the first glass and hits the base area of the decorative element, is reflected at an angle greater than the total reflection angle of the first glass.
- This light is thus totally reflected on the inner surface of the upper side of the first glass and cannot escape from the first glass. In other words, this light is reflected back into the first glass because of the total reflection on the inner surface of the upper side of the first glass. Since this light cannot reach the eye of a beholder, the base area optically disappears.
- this ratio can preferably be selected in such a way that part of the light which passes through the first glass does not reach the base region. Due to the refraction of the light which passes through the first glass, the ratio is chosen such that the light is refracted in such a way that it no longer strikes the base area. This means that the base area is not visible.
- this ratio can be selected in such a way that all of the light which enters the first glass does not reach the base region.
- the ratio of the length of the base region of the decorative element in the thickness direction of the glasses to a length of a protrusion of the additional region in a direction perpendicular to the thickness direction is a maximum of “2 to 1”. With such a ratio, the base area is not visible and the stability of the decorative element is also guaranteed.
- the first glass preferably has a greater refractive index than the second glass.
- the first glass preferably has a refractive index greater than or equal to 1.6, in particular greater than or equal to 1.7.
- a refractive index greater than or equal to 1.6, in particular greater than or equal to 1.7.
- the recess of the first glass has the same cross section over its entire length.
- the recess of the first glass can thus be produced in a simple manner.
- the recess of the first glass can be cylindrical.
- the term “cross section” is understood to mean both a cross-sectional area and a cross-sectional shape. These design options can preferably also be used in the recess of the second glass.
- the length of the respective recess is the dimension of the recess in the thickness direction of the glasses.
- the recess of the first glass has a first recess area with a first cross-sectional area and a second recess area with a second cross-sectional area.
- the second recess area is arranged closer to the second glass than the first recess area.
- the second cross-sectional area is larger than the first cross-sectional area.
- a space of the second recess area between the first glass and the base area of the decorative element is advantageously filled with connecting material of the connecting intermediate layer. This enables a particularly firm connection of the base area of the decorative element to the first glass.
- the first recess area and the second recess area preferably have the same cross-sectional shapes.
- the first and the second recess area can each have a circular cross section.
- the depression in the base region of the decorative element is preferably arranged opposite the second recess region and is connected to the second recess region via the connecting intermediate layer.
- one room of the second Recess area between the first glass and the base area of the decorative element, including the recess, is advantageously filled with connecting material of the connecting intermediate layer. Due to the provision of the second recess area with the second cross-sectional area and the recess of the decorative element, there is a large amount of the connecting material for fixing the base area of the decorative element in the watch glass.
- a clear distance between the base region of the decorative element and the recess of the first glass is between 0.1 mm (inclusive) and 0.6 mm (inclusive), in particular between 0.2 mm (inclusive) and 0.5 mm (inclusive) ).
- the second glass can also preferably have a recess which, together with the continuous recess of the first glass, forms the watch glass recess.
- the recess of the second glass is preferably formed continuously.
- the base region of the decorative element is at least partially, in particular completely, arranged in the watch glass recess. This means that it is advantageous if a base region is positioned at least partially, in particular completely, both in the first recess and in the second recess.
- a space of the watch glass recess which is defined by the first glass, the second glass and the base region, is preferably filled with connecting material of the connecting intermediate layer, so that the decorative element is connected to the first glass and the second glass via the connecting material.
- the connecting intermediate layer advantageously comprises both connecting material, which is located between opposite surfaces of the glasses, and connecting material, which is located in the space of the watch glass recess between the first glass, the second glass and the base area of the decorative element .
- the connecting material between the opposing surfaces of the glasses and the connecting material in the space already described are to be understood in an advantageous manner as a uniform / continuous connecting intermediate layer which serves to combine both the first glass with the second glass and the decorative element to connect the glasses.
- the formulation means that the space of the watch glass recess between the first glass and the second glass is filled with connecting material of the connecting intermediate layer, advantageously that the space is completely filled.
- the decorative element is fixed by its base area, which is at least partially arranged in the watch glass recess, the impact energy being distributed to both glasses via the connecting intermediate layer.
- a maximum thickness of the connecting intermediate layer between the first glass and the second glass in the thickness direction of the glasses is smaller than a maximum thickness of the connecting material of the connecting intermediate layer in the space between the first glass, the second glass and the decorative element in the thickness direction of the glasses .
- a maximum thickness of the connecting intermediate layer between the first glass and the second glass in the thickness direction of the glasses is smaller than a maximum thickness of the connecting material of the connecting intermediate layer in the space between the first glass, the second glass and the decorative element in a direction to the thickness of the Glasses perpendicular direction.
- the connecting material in the space between the first glass, the second glass and the decorative element preferably has a maximum thickness in the thickness direction of the glasses and / or in a direction perpendicular to the thickness direction of the glasses of at least 2 mm, preferably at least 3 mm, further preferably at least 4 mm, particularly preferably at least 5 mm.
- a region of the decorative element can contact the first glass and / or the second glass directly.
- the decorative element preferably has a base area and an additional area.
- the base region preferably has a first sub-region and a second sub-region.
- the space of the watch glass recess between the first glass, the second glass, the first sub-area and the second sub-area is advantageously filled with connecting material of the connecting intermediate layer.
- the first sub-region of the base region can preferably be inclined to an axis perpendicular to the glasses.
- the second sub-region of the base region can preferably be inclined to an axis perpendicular to the glasses.
- “Inclined” with reference to the first sub-area and the second sub-area advantageously means that the first sub-area or the second sub-area do not extend parallel to an axis perpendicular to the glasses.
- the axis perpendicular to the glasses is in particular parallel to the thickness direction of the glasses.
- the first sub-area and / or the second sub-area is / are particularly preferably conical.
- the first sub-area and the second sub-area advantageously define a space which, when the decorative element is installed in the watch glass, partially or completely coincides with the space of the watch glass recess between the first glass, the second glass and the decorative element. This means that when the decorative element is in the arranged state in the watch glass recess, this gap is filled with connecting material of the connecting intermediate layer.
- the second sub-area preferably has a greater slope than the first sub-area.
- the second sub-area is preferably more inclined to the axis perpendicular to the glasses than the first sub-area.
- An angle between the first sub-area and the second sub-area is preferably less than 90 degrees, preferably between 10 degrees and 50 degrees, particularly preferably between 20 degrees and 40 degrees.
- the connecting material of the connecting intermediate layer advantageously has a triangular cross-section in the space between the first glass, the second glass and the base region of the decorative element in a section perpendicular to the glasses.
- the cutting plane is defined in particular by the thickness direction of the glasses and the direction perpendicular to the thickness direction.
- the first sub-area of the base area faces away from the interior of the case of the watch when the decorative element is arranged in the watch glass recess.
- the second sub-area faces in particular the interior of the housing.
- the second sub-area preferably protrudes beyond an underside of the second glass, in particular by a maximum of 20%, preferably a maximum of 10%, particularly preferably a maximum of 5%, of a thickness of the watch glass.
- the thickness of the watch glass corresponds in particular to the sum of the thicknesses of the first glass, the second glass and the connecting intermediate layer in the area between the first glass and the second glass.
- the second sub-area does not protrude beyond the underside of the second glass.
- the second sub-area can end in the watch glass recess, in particular in the recess of the second glass.
- an end area of the second sub-area can be flush with the underside of the second glass.
- the "end area” is in particular to understand the part of the second sub-area which has the greatest distance in the thickness direction of the glasses from the top of the first glass.
- the base region can be arranged completely in the watch glass recess or, according to a further embodiment, it can be arranged partially in the watch glass recess and partially protrude beyond the underside of the second glass.
- the first recess preferably has a first recess area and a second recess area.
- the first and the second recess area of the first recess advantageously have different shapes.
- the second recess can preferably have a first recess area and a second recess area.
- the first and the second recess area of the second recess advantageously have different shapes.
- the first recess area of the first recess advantageously has a first cross-sectional area and the second recess area of the first recess has a second cross-sectional area.
- the first cross-sectional area is larger than the second cross-sectional area.
- the first recess area of the first recess is preferably facing away from the second glass, the second recess area facing the second glass.
- the first recess area of the second recess can advantageously have a first cross-sectional area and the second recess area of the second recess can have a second cross-sectional area.
- the first cross-sectional area is larger than the second cross-sectional area.
- the first recess area of the second recess preferably faces the first glass, the second recess area facing away from the first glass.
- the first recess area of the first recess can preferably be conical.
- the second recess area of the first recess can preferably be designed in the shape of a cylinder.
- the first recess area of the second recess can preferably be designed conically.
- the second recess area of the second recess can preferably be designed in the shape of a cylinder.
- first recess area of the first recess and / or the second recess area of the first recess and / or the first Recess area of the second recess and / or the second recess area of the second recess are cylindrical, with the same or different diameters.
- the first sub-region of the base region can preferably contact the first glass, in particular the first recess region and / or the second recess region of the first recess.
- the second sub-region of the base region can preferably contact the second glass, in particular the first recess region and / or the second recess region of the second recess.
- the first sub-area can preferably be materially connected, in particular glued, to the first glass and / or the second glass via their contact surfaces.
- such a material connection can be provided between the first sub-region and the first recess region of the first recess and / or between the second sub-region and the second recess region of the second recess.
- the decorative element can only be materially connected, in particular glued, to the first glass at its contact point with the first glass.
- such a connection can only be provided between the first sub-region and the first, in particular conical, recess region of the first recess.
- the described material connection, in particular gluing, between the decorative element and the first glass on their contact surfaces has the advantage that the connecting intermediate layer in the finished watch glass does not come into contact with the surrounding air, which means that air humidity cannot reach the connecting intermediate layer. This ensures the adhesion property of the connecting intermediate layer in the finished watch glass, even if the connecting intermediate layer is made from a hygroscopic material. Furthermore, it can thereby be avoided that material of an initial intermediate layer emerges from the watch glass recess during the connection of the first glass to the second glass.
- the material connection described has the advantage that the decorative element remains motionless in the watch glass recess while the first glass is connected to the second glass. A desired positioning of the decorative element in the finished watch glass can thus be achieved precisely. In addition, a particularly firm connection of the decorative element to the watch glass is guaranteed.
- a material, in particular an adhesive material, which is between 110 degrees Celsius is advantageously used as the material for the cohesive connection described above and 150 degrees Celsius, in particular between 130 degrees Celsius and 145 degrees Celsius, is insensitive to water and does not react with the material of the initial intermediate layer.
- a two-part epoxy resin or a waterproof UV adhesive can be used.
- a sealing element can preferably be provided instead of gluing at the contact point between the first glass and the decorative element, in particular between the first glass or the first recess area of the first recess and the first sub-area of the base area.
- a sealing element can preferably be provided instead of gluing at the contact point between the second glass and the decorative element, in particular between the second glass or the first recess area of the first recess and the second recess area.
- the features of the watch glass described above in particular the first glass, the second glass, the connecting intermediate layer and the decorative element, can be combined with one another as desired, as long as they are not mutually exclusive.
- the present invention also relates to a watch which comprises a watch glass as described above.
- the watch has a housing on which the watch glass is arranged.
- the watch glass is preferably mounted in the housing and glued to it.
- the watch glass is arranged on the housing in such a way that the first glass faces away from an interior of the housing.
- the first glass on the clock is the outer glass.
- the clock is preferably a wrist watch.
- a rough stone can be ground so that the base area and / or the additional area are shaped.
- the recess can preferably be formed in the first glass by means of laser drilling or mechanical drilling.
- the top and / or bottom of the first glass is / are preferably ground. In this way, any breakouts that may arise in the recess as a result of the shaping of the recess can be removed.
- connection of the first glass to the second glass via the connecting intermediate layer preferably comprises heating the arrangement of the first glass, the second glass and an intermediate output intermediate layer at a temperature between 110 degrees Celsius and 150 degrees Celsius, in particular between 130 degrees Celsius up to 145 degrees Celsius.
- the starting intermediate layer can preferably be an organic or inorganic compound or adhesive or adhesive layer or an elastic film (also: composite film, in particular adhesive film).
- the starting intermediate layer can be formed from cast resin.
- the casting resin can be, for example, a two-component epoxy resin or a UV-curing one-component adhesive.
- connection of the first glass to the second glass can preferably be done under vacuum in order to remove air from the space between the glasses, and by exerting pressure, in particular 1 bar, on the arrangement of the glasses in order to achieve a strong connection of the glasses to achieve each other.
- An airtight connection point is thus achieved between the first glass and the second glass and between the first glass and the base region of the decorative element. Due to the lack of voids or air bubbles between the decorative element and the connecting intermediate layer, a vacuum effect occurs, in which the decorative element is pressed into the recess by the air pressure exerted on it. In the event of a mechanical load on the decorative element in which the decorative element would begin to wobble in the recess, the vacuum sucks the base area of the decorative element. The base area is therefore not only held by the action of the connecting intermediate layer, but also by the vacuum effect described.
- the starting intermediate layer can be a liquid adhesive which then hardens to connect the glasses to one another and the decorative element to the first glass.
- material of the initial intermediate layer which has potentially flowed out of the space between the glasses after the joining process between the first glass and the second glass is removed in an advantageous manner.
- the present invention enables a multitude of designs due to its simple implementation and universal applicability.
- faceted gemstones, gemstones in all cut shapes such as cabochon gemstones, metal indexes, relief-like figures, pictorial representations such as twelve zodiac signs, pearls, etc.
- the puristic representation that only an upper side of the base area or only the additional area of the decorative element and no other material except for the watch glass is visible, enables a purity in the style and effect of the decorative element and the watch glass.
- a watch with a white mother-of-pearl dial and twelve small, white, applied half-pearls is not disturbed by anything in its mother-of-pearl effect.
- the present invention can ensure a watertight watch glass and a firm connection of the decorative element to the watch glass.
- Fig. 1 is a schematic plan view of a clock according to the invention, which has a watch glass according to a first embodiment of the present invention
- FIG. 2 is a schematic perspective view of the watch glass from FIG. 1,
- Fig. 3 is a schematic sectional view of the watch glass according to the section A-A marked in Fig. 1,
- FIG. 4 shows a schematic sectional view of part of the watch glass according to section A-A
- FIG. 6 shows a schematic sectional view of part of a watch glass according to a second exemplary embodiment of the present invention
- 7 shows a schematic sectional view of part of a watch glass according to a third exemplary embodiment of the present invention
- FIG. 8 is a schematic sectional view of part of a watch glass according to a fourth embodiment of the present invention.
- FIG. 9 is a schematic sectional view of part of a watch glass according to a fifth embodiment of the present invention.
- a watch 100 with a watch glass 10 according to a first exemplary embodiment of the present invention is described in detail below with reference to FIGS. 1 to 5.
- the watch 100 has a housing 11 in which the watch glass 10 is arranged.
- the watch glass 10 is glued to the housing 11 over its circumference.
- the housing 11 and the watch glass 10 are circular, but can have any other shape such as a rectangle, a polygon, etc.
- the watch glass 10 in the case of the watch glass 10, twelve decorative elements 3 are provided in the circumferential direction at the same distance from one another.
- the position as well as the number of decorative elements 3 can, however, be chosen as desired depending on the clock design.
- the watch 100 also has a dial 12, which is designed, for example, as a gold leaf, three pointers 13 for displaying the hours, minutes and seconds and two connections for connecting the housing 11 to a bracelet 14.
- the decorative elements are 3 gemstones with a cabochon cut.
- gemstones with other types of cut as well as other types of decorative elements such as metal inlays can also be used as the decorative elements 3 of the present invention.
- FIG. 3 shows a sectional view of the watch glass 10 according to section A-A in FIG.
- the watch glass 10 has a first glass 1 and a second glass 2, which are designed in particular as flat glass panes.
- the glasses 1, 2 it is also possible for the glasses 1, 2 to be curved with the same curvature on their contact surfaces.
- the first glass 1 and the second glass 2 lie on top of one another and are flatly connected to one another via a connecting intermediate layer 5.
- the material connection by means of the intermediate layer 5 creates an air-tight and water-tight connection point between the glasses 1, 2.
- the first glass 1 faces away from an interior 15 of the housing 11 or the second glass 2 faces the interior 15 of the housing 12.
- the first glass 1 is the glass that the light hits first.
- the first glass 1 can also be referred to as the upper glass or outer glass and the second glass can also be referred to as the lower glass or inner glass.
- the first glass 1 is advantageously formed from sapphire glass, which has a high level of scratch resistance.
- the second glass 2 is made of mineral glass. However, other materials, such as other types of glass or plastic, are also possible for both the first glass 1 and the second glass 2.
- a continuous recess 4 is formed in the first glass 1 for each decorative element 3. All of the recesses 4 of the first glass 1 and all of the decorative elements 3 are advantageously designed in the same way. Therefore, in the following description, reference is made only to a decorative element 3 and the associated recess 4 of the first glass 1.
- the second glass 2 is continuous. That is, the second glass 2 has no recess.
- the decorative element 3 which is formed in one piece, has a base region 31 and an additional region 32.
- the base area 31 is stunned in the continuous recess 4 of the first glass 1 and is in direct contact with the connecting intermediate layer 5.
- "Stunned" means that in the watch glass 10 or in the recess 4 of the first glass 1 there is no mount for receiving and Holding the decorative element is provided. Rather, the decorative element 3 is held in the recess 4 by the contact between the base region 31 and the connecting intermediate layer 5.
- an end face 33 of the base region 31 is completely in direct contact with the connecting intermediate layer 5.
- the end face 33 of the base region 31 is the side of the decorative element 3 that faces the second glass 2 and is perpendicular to a thickness direction 500 of the glasses 1, 2 is.
- a circumferential surface 34 of the base region 31 is also partially in direct contact with the connecting intermediate layer 5.
- the end face 33 of the base region 31 of the decorative element 3 is embedded in the connecting intermediate layer 5.
- connecting intermediate layer 5 both connecting material, which is located between opposite surfaces 19, 29 of the first glass 1 and the second Glass 2 is located, as well as connecting material which is located between the peripheral surface 34 of the base region 31 of the decorative element 3 and the first glass 1 or the recess 4 of the first glass 1.
- the end face 33 and the part of the circumferential surface 34 of the decorative element 3, which is in direct contact with the connecting intermediate layer 5, are also referred to as holding areas in the context of the invention, since their contact with the connecting intermediate layer 5 causes the decorative element 3 in the watch glass 10 is recorded.
- the connecting intermediate layer 5 is advantageously formed from a transparent laminating film (composite film).
- the connecting intermediate layer 5 has a first thickness 501 corresponding to the defined values from the general part at every point between the opposing surfaces 19, 29 of the glasses 1, 2, in particular on the end face 33 of the decorative element 3 the description.
- the connecting intermediate layer 5 On the circumferential surface 34 of the base region 31 of the decorative element 3, the connecting intermediate layer 5 has a second thickness 502 which is smaller than the first thickness 501.
- the second thickness 502 of the connecting intermediate layer 5 between the peripheral surface 34 of the base region 31 of the decorative element 3 and the recess 4 of the first glass 1 or the first glass 1 perpendicular to the thickness direction 500 of the glasses 1, 2 is preferably between 0.1 mm (inclusive) and 0.6 mm (inclusive), in particular between 0.2 mm (inclusive) and 0.5 mm (inclusive).
- the recess 4 has the same cross-sectional shape and cross-sectional area over its entire length.
- the recess 4 is cylindrical. Due to the continuous configuration of the recess 4, the length of the recess 4 corresponds to the thickness 504 of the first glass 1.
- the base region 31 of the decorative element 3 is accordingly cylindrical.
- the connecting intermediate layer 5 is thus embodied in the shape of a hollow cylinder on the part of the circumferential surface 34 of the base region 31 which is in direct contact with the intermediate layer 5.
- the complete base area 31 of the decorative element 3 is only arranged in the recess 4 of the first glass 1.
- the base region 31 of the decorative element 3 is arranged flush with the surface 19 (also: underside) of the first glass 1 facing the second glass 2.
- the base region 31 of the decorative element 3 can end in the recess 4, ie have a length which is smaller than the depth of the recess 4.
- the additional area 32 of the decorative element 3 protrudes beyond the first glass 1 in the thickness direction 500 of the glasses 1, 2 and in each direction 505 perpendicular to the thickness direction 500.
- the additional area 32 projects completely circumferentially, ie over 360 degrees, beyond the recess 4.
- the additional area 32 is thus located above the first glass 1.
- the additional area 32 lies on the first glass 1. There is preferably no material connection between the additional area 32 and the first glass 1.
- a cross-sectional area of the additional area 32 of the decorative element 3 at the recess 4, i.e. the area of the underside 36 of the additional area 32, is preferably larger than a cross-sectional area of the recess 4 on the plane of the upper side 18 of the first glass 1.
- the decorative element 3 is a gemstone with a cabochon cut.
- the additional area 32 corresponds to that area of the gemstone that is ground in the cabochon cut shape.
- the decorative element 3 is designed such that a ratio of the length 300 of the base region 31 of the decorative element 3 in the thickness direction 500 of the glasses 1, 2 to a length 301 of an overhang of the additional region 32 in each direction 505 perpendicular to the thickness direction 500 is a maximum of "two to one "is.
- the protrusion is that part of the additional region 32 which protrudes beyond the base region 31.
- the length 301 of the protrusion is advantageously measured at the location of the recess 4, i.e. on the plane of the underside 36 of the additional area 32. In the case of the decorative element 3, the length 301 of the protrusion is at its maximum at this point.
- the base area 31 is not very long due to this ratio, the base area 31 is covered by the additional area 32 on the one hand. On the other hand, this relationship has the effect that the base region 31 optically disappears and is therefore no longer perceived by an observer. This is explained in more detail with reference to FIGS. 4 and 5.
- a light beam 601 is shown which strikes the first glass 1 at an angle. Due to the different optical densities of air and the first glass 1, the light beam 601 is refracted on the top side 18 of the first glass 1. In particular, owing to the greater optical density of the first glass 1 compared to air, the solder 600 is broken. Since the base region 31 is not made too long, the refracted light beam 601 does not reach the base region 31, but rather passes through the connecting intermediate layer 5 and the second glass 2. The fact that the first glass 1 is formed from sapphire glass, which has a relatively high optical density or a relatively high one, also contributes to this Has a refractive index (of approx. 1.77), which leads to a relatively strong refraction of the light beam 601 towards the solder 600.
- the base area 31 thus remains invisible and at the same time ensures a stable arrangement of the decorative element, in particular its additional area 32.
- the first glass 1 and the second glass 2 are first provided.
- the continuous recesses 4 are formed in the first glass 1.
- a laser process or a mechanical drilling process can be used for this purpose.
- the top 18 and bottom 19 of the first glass 1 are ground down in order to remove potential breakouts in the first glass 1 caused by the shaping of the recesses 4.
- an initial intermediate layer in particular a laminating film, is placed on the second glass 2.
- the decorative elements 3 are introduced into the corresponding recesses 4 of the first glass 1 and the first glass 1 is arranged on the second glass 2.
- Air is then removed from the intermediate area between the first glass 1 and the second glass 2. This is done by building up a vacuum which encompasses the entire arrangement of the first glass 1, the second glass 2, the intermediate starting intermediate layer and the decorative elements 3.
- the vacuum is preferably maintained during the entire joining process (also: lamination process).
- the arrangement of the first glass 1, the second glass 2, the initial intermediate layer arranged therebetween and the decorative elements 3 is at a temperature between 110 degrees Celsius and 150 degrees Celsius, in particular between 130 degrees Celsius Degrees Celsius to 145 degrees Celsius, so that the initial intermediate layer becomes doughy or liquid. Furthermore, a pressure of 1 bar is exerted on the arrangement, so that finally the first glass 1 is connected to the second glass 2.
- the material of the initial intermediate layer can easily get into part of the space of the recess 4 between the first glass 1 and the base region 31.
- the capillary effect which occurs because of the almost identical diameters of the cylindrical recess 4 and the cylindrical base region 31, also contributes to filling this space with material from the initial intermediate layer.
- an additional pressure of up to 8 bar can also be built up.
- the starting intermediate layer becomes the connecting intermediate layer 5, which connects the first glass 1 to the second glass 2 in the finished watch glass 10 and for the stable arrangement of the decorative element 3 on the watch glass 10 cares.
- a partially, hollow-cylindrical casing of the base region 31 of the decorative element 3 made of connecting material of the intermediate layer 5 is thus formed.
- the adhesive surface via which the decorative element 3 is held on the watch glass 10 increases many times over, and thus also the security of a long-lasting arrangement of the decorative element 3 on the watch glass 10.
- Which portion of the circumferential surface 34 of the base region 31 in the finished watch glass 10 is in direct contact with the connecting intermediate layer 5 can in particular be controlled by the initial intermediate layer, in particular its thickness.
- the present invention enables decorative elements 3 to be attached to a watch glass 10, in particular decorative elements 3, each with a base area 31 arranged in a recess 4 of the first glass 1 and an additional area 32 protruding beyond the recess 4 of the first glass 1, without the Use of a socket.
- a watch glass 10 in particular decorative elements 3, each with a base area 31 arranged in a recess 4 of the first glass 1 and an additional area 32 protruding beyond the recess 4 of the first glass 1, without the Use of a socket.
- FIG. 6 shows a sectional view of a watch glass 10 according to a second exemplary embodiment of the present invention.
- the watch glass 10 according to the second exemplary embodiment differs from that according to the first exemplary embodiment in that, in the case of the watch glass 10 of the second exemplary embodiment, the complete circumferential surface 34 of the base region 31 of the decorative element 3 is in direct contact with the connecting intermediate layer 5.
- a hollow cylindrical casing also: hollow cylindrical area
- the hollow cylindrical casing is part of the connecting intermediate layer 5.
- the lower side 36 of the additional area 32 partially contacts the connecting intermediate layer 5.
- the end face 33 and the complete circumferential surface 34 of the base region 31 of the decorative element 3 serve as holding regions via which the decorative element 3 is attached to the watch glass 10.
- FIG. 7 shows a sectional view of a watch glass 10 according to a third exemplary embodiment of the present invention.
- the difference between the watch glass 10 according to the third embodiment and the watch glass 10 of the second embodiment is that the base region 31 of the decorative element 3 of the third embodiment has a completely encircling depression 35 in its peripheral surface 34.
- the recess 35 which is formed in the shape of a ring, is in direct contact with the connecting intermediate layer 5. That is, the recess 35 is filled with connecting material of the connecting intermediate layer 5. The base region 31 of the decorative element 3 is thus anchored in the recess 4 by means of the connecting intermediate layer 5.
- the connecting material in the recess 35 serves as an undercut of the connecting intermediate layer 5, which prevents the decorative element 3 from being removed from the recess 4 to an even greater extent.
- the connecting intermediate layer 5 has a first thickness 501 between the first glass 1 and the second glass 2 and a second thickness 502 between the first glass 1 and the base region 31 over its entire length up to the point of the recess 35 where the connecting Intermediate layer 5 has a third thickness 503.
- the third thickness 503 is larger than that second thickness 502.
- the recess 35 provides an even more stable connection between the decorative element 3 and the first glass 1.
- FIG. 8 a region of a watch glass 10 according to a fourth exemplary embodiment is shown in section.
- the watch glass 10 according to the fourth exemplary embodiment has a stepped recess 4.
- the recess 4 comprises a first recess area 41 with a first cross-sectional area 410 and a second recess area 42 with a second cross-sectional area 420.
- the second recess area 42 is arranged closer to the second glass 2 than the first recess area 41, the second cross-sectional area 420 being larger than the first cross-sectional area 410.
- the first recess area 41 and the second recess area 42 have the same cross-sectional shapes.
- both recess areas 41, 42 are cylindrical.
- the base region 31 of the decorative element 3 also in the case of the watch glass 10 according to the fourth exemplary embodiment has a completely encircling depression 35 in its circumferential surface 34.
- the recess 35 is arranged opposite the second recess area 42 and is connected to the second recess area 42 via the connecting intermediate layer 5.
- a space between the second recess area 42 and the base area 31 of the decorative element 3, including the recess 35, is filled with connecting material of the connecting intermediate layer 5.
- a particularly firm connection of the base region 31 of the decorative element 3 to the first glass 1 is thus created. Since the recess 35 is formed at the lower end, ie at the end of the base region 31 of the decorative element 3 facing the second glass, and the second recess region 42 with the second cross-sectional area 420, which is enlarged compared to the first recess region 41, is closer to the second glass 2, the base region 31 can also withstand a torque caused by the additional region 32 striking.
- the first recess area 41 is not in contact with the connecting intermediate layer 5. In other words, there is no connecting material of the connecting intermediate layer 5 in the space between the first recess area 41 and the peripheral surface 34 of the base area 31.
- Connecting material of the connecting intermediate layer 5 is provided in the space between the first recess area 41 and the circumferential surface 34 of the base area 31, also possible.
- FIG. 9 shows a sectional view of a watch glass 10 according to a fifth exemplary embodiment of the present invention, which can be inserted into the watch 100 from FIG.
- the watch glass 10 here also comprises a first glass 1 and a second glass 2, which are connected to one another via a connecting intermediate layer 5.
- the first glass 1 has a continuous recess 4, the second glass 2 also having a continuous recess 6.
- the continuous recess 4 of the first glass 1 and the continuous recess 6 of the second glass 2 together form a watch glass recess 7.
- the recess 4 of the first glass 1 can also be referred to as the first recess 4 and the recess 6 of the second glass 2 as the second recess 6 will.
- the watch glass 10 comprises a decorative element 3 designed as a gemstone, which has a base region 31 and an additional region 32.
- the base area 31 is stunned in the watch glass recess 7.
- the base region 31 without a mount is arranged both in the first recess 4 and in the second recess 6.
- the base region 31 also protrudes beyond an underside 28 of the second glass 2.
- the base region 31 it is also possible for the base region 31 to be completely received in the watch glass recess 7.
- the additional area 32 protrudes beyond the top 18 of the first glass 1.
- the additional area 32 is the area of the decorative element 3 which is located above the top side 18 of the first glass 1.
- the additional region 32 extends in the thickness direction 500 of the glasses 1, 2 and in the direction 505 perpendicular to the thickness direction, in particular in each direction 505 perpendicular to the thickness direction.
- the additional area 32 of the decorative element 3 comprises a panel 37, upper part facets 38 and parts of lower part facets 39 of the gemstone.
- the panel 37, the upper part facets 38 and the parts of the lower part facets 39 of the decorative element 3 are in direct contact with air. Thus, light can strike the decorative element 3 directly.
- the additional area 32 of the decorative element 3 can have an area with a cabochon cut or be designed as such.
- the additional area 32 can be designed as that area of the gemstone which is ground in the cabochon cut shape.
- the decorative element 3 is designed in such a way that the base area 31 faces the interior 15 of the housing 11 and the dial 12 of the watch 100 compared to the additional area 32.
- the additional area 32 faces away from the interior 15 and the dial 12 compared to the base area 31.
- the base region 31 has, in particular, a first sub-region 311 and a second sub-region 312.
- the first sub-area 311 and the second sub-area 312 are each inclined to an axis 102 perpendicular to the glasses 1, 2.
- the axis 102 perpendicular to the glasses 1, 2 is parallel to the thickness direction 500 of the glasses 1, 2.
- the second sub-area 312 has a greater slope than the first sub-area 311. In other words, the second sub-area 312 is more inclined to the axis 102 perpendicular to the glasses 1, 2 than the first sub-area 311.
- an angle 513 between the first sub-area 311 and the second sub-area 312 is less than 90 degrees, preferably between 10 degrees and 50 degrees, particularly preferably between 20 degrees and 40 degrees.
- first sub-area 311 and the second sub-area 312 are conical. However, other shapes for the first sub-area 311 and / or the second sub-area 312 are also possible.
- the base region 31, in particular its circumferential surface 34, is partially in direct contact with the connecting intermediate layer 5.
- the connecting intermediate layer 5 advantageously comprises both connecting material 51, which is located between the opposing surfaces 19, 29 of the glasses 1, 2, and the connecting material 50, which is located in the space 70 of the watch glass recess 7 between the first glass 1, the second glass 2, the first sub-area 311 and the second sub-area 312 is located.
- the connecting material 50 in the space 70 together with the connecting material 51 between the opposing surfaces 19, 29 of the glasses 1, 2 forms the connecting intermediate layer 5.
- the connecting intermediate layer 5 is between the space 70 and the space between the opposing surfaces 19, 29 continuously formed.
- the connecting intermediate layer 5 thus serves to connect the first glass 1 to the second glass 2 and the decorative element 3 to both glasses 1, 2.
- the first sub-area 311 and the second sub-area 32 define an interspace 310 which, in the assembled state of the decorative element 3 in the watch glass 10, is filled with the connecting material 50 of the connecting intermediate layer 5.
- the intermediate space 310 can also be referred to as a depression in the decorative element 3.
- the space 310 corresponds to the space 70 of the watch glass recess 7.
- a maximum thickness 507 of the connecting intermediate layer 5 between the first glass 1 and the second glass 2 in the thickness direction 500 of the glasses 1, 2 is less than a maximum thickness 506 of the connecting material 50 of the connecting intermediate layer 5 in space 70 between the first glass 1, the second glass 2, the first sub-area 311 and the second sub-area 312 in the thickness direction 500 of the glasses 1, 2.
- the maximum thickness 507 of the connecting intermediate layer 5 between the first glass 1 and the second glass 2 in the thickness direction 500 of the glasses 1, 2 is smaller than a maximum thickness 508 of the connecting material 50 of the connecting intermediate layer 5 in the space 70 between the first glass 1 , the second glass 2, the first sub-area 311 and the second sub-region 312 in a direction 505 perpendicular to the thickness direction 500 of the glasses 1, 2.
- the maximum thickness can be 507 to 0.4 mm, preferably up to 0.5 mm.
- the maximum thickness 508 can be 2 mm, for example.
- the connecting material 50 of the connecting intermediate layer 5 has a triangular cross-section in the space 70 on a sectional plane perpendicular to the upper side 18 of the watch glass 10.
- the cutting plane is defined by the thickness direction 500 of the glasses 1, 2 and a direction 505 perpendicular to the thickness direction 500.
- the second sub-region 312 of the decorative element 3 protrudes beyond the underside 28 of the second glass 2, in particular by a maximum of 20%, preferably a maximum of 10%, particularly preferably a maximum of 5%, of a thickness 512 of the watch glass 10.
- the thickness 512 of the watch glass 10 corresponds to the sum of a thickness 510 of the first glass 1, a thickness 511 of the second glass 2 and a thickness 509 of the connecting intermediate layer 5 in the area between the first glass 1 and the second glass 2, all thicknesses 509, 510 and 511 can be measured at the same point.
- the second sub-region 312 of the base region 31 can end in the watch glass recess 7, in particular in the second recess 6.
- an end region of the second sub-region 312 can be flush with the underside 28 of the second glass 2.
- the first recess 4 has a first recess area 41 and a second recess area 42.
- the first recess area 41 has a larger cross-sectional area than the second recess area 42.
- the first recess area 41 is conical, the second recess area 42 being cylindrical.
- the second recess 6 has a first recess area 61 and a second recess area 62.
- the first recess area 61 has a larger cross-sectional area than the second recess area 62.
- the first recess area 61 is conical, the second recess area 62 being cylindrical.
- first recess 4 and / or the second recess 6, in particular for the recess regions 41, 42, 61, 62, are also possible.
- the first (conical) recess area 41 of the first recess 4 is arranged on the upper side 18 of the first glass 1
- the first (conical) recess area 61 of second recess 6 is arranged on the upper side 29 of the second glass 2.
- the second (cylindrical) recess area 42 is arranged on the underside 19 of the first glass 1
- the second (cylindrical) recess area 62 being arranged on the underside 29 of the second glass 2.
- first recess region 41 of the first recess 4 extends over the upper half of the depth of the first recess 1, the second recess region 42 of the first recess 4 extending over the lower half of the depth of the first recess 4.
- the conical recess areas 41, 61, the first recess 4 and the second recess 6 on the upper sides 18, 28 of the glasses 1, 2 are beveled completely in the circumferential direction, i.e. over 360 degrees.
- the first sub-region 311 of the base region 31 rests on the first recess region 41 of the first recess 4 and has a conical shape like the first recess region 41 at the contact point.
- the first sub-region 311 can be glued to the first recess region 41 of the first recess 4.
- the second sub-region 312 of the base region 31 makes contact with the second recess region 62 of the second recess 6 and, at the contact point, has a cylindrical shape like the second recess region 62.
- the second sub-region 312 and the second recess region 62 of the second recess 6 are not glued to one another.
- the space 70 of the watch glass recess 7 is defined in particular by the first recess area 41 of the first recess 4, the first sub-area 311, the second sub-area 312 and the second recess area 62 of the second recess 6.
- the decorative element 3 protrudes beyond the top 18 of the watch glass 10 and is partially arranged in the watch glass recess 4.
- the decorative element 3 has a dimension 302 parallel to the thickness direction 500 of the glasses 1, 2, which is over 100% of the thickness 512 of the watch glass 10.
- the decorative element 3 can, however, have a dimension 302 parallel to the thickness direction 500 of the glasses 1, 2, which is smaller than the thickness 512 of the watch glass 10. It can decorative element 3 can be arranged in such a way that it still protrudes beyond the top 18 of the watch glass 10.
- the decorative element 3 has a maximum cross-sectional area 303 in the direction 505 perpendicular to the thickness direction 500.
- the maximum cross-sectional area 303 can be at least 1/20, preferably at least 1/16, particularly preferably at least 1/10, of the area of the top 18 of the first glass 1.
- the cross-section of the decorative element 3 with the maximum cross-sectional area 303 is advantageously located above the first glass 1, i.e. in the additional area 32 of the decorative element 3.
- the decorative element 3 can in particular appear as floating.
- a raw gemstone is ground in such a way that the base area 31 with the first sub-area 311 and the second sub-area 312 and the additional area 32 are formed in the decorative element 3.
- the decorative element 3 Due to the described shape of the decorative element 3 and its stunned arrangement in the watch glass recess 7, the decorative element 3 appears to be floating. Furthermore, the connecting material 50 in the space 70 of the watch glass recess 7 represents an undercut of the connecting intermediate layer 5 which, in addition to the connecting properties of the connecting material 50, ensures that the decorative element 3 cannot be removed from the watch glass recess 7.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102020112523.2A DE102020112523B3 (de) | 2020-05-08 | 2020-05-08 | Uhrglas mit einem dekorativen Element |
PCT/EP2021/061339 WO2021224116A1 (de) | 2020-05-08 | 2021-04-29 | Uhrglas mit einem dekorativen element |
Publications (1)
Publication Number | Publication Date |
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EP3973362A1 true EP3973362A1 (de) | 2022-03-30 |
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EP21724207.2A Pending EP3973362A1 (de) | 2020-05-08 | 2021-04-29 | Uhrglas mit einem dekorativen element |
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US (1) | US20220276612A1 (de) |
EP (1) | EP3973362A1 (de) |
DE (1) | DE102020112523B3 (de) |
WO (1) | WO2021224116A1 (de) |
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CH649436GA3 (de) | 1982-06-10 | 1985-05-31 | ||
DE8611077U1 (de) | 1986-04-23 | 1986-06-05 | Bunz, Georg, 7544 Dobel | Fassung für einen Brillanten |
DE102015207049A1 (de) | 2015-04-17 | 2016-10-20 | Levitation AG | Uhrglas mit mindestens einem Schmuckstein |
DE102016222905B4 (de) * | 2016-11-21 | 2019-03-07 | Realization Desal Ag | Uhrglas und Verfahren zum Herstellen eines Uhrglases |
DE102017201676B4 (de) * | 2017-02-02 | 2019-08-14 | Realization Desal Ag | Uhrglas mit lumineszierendem Element |
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2020
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2021
- 2021-04-29 US US17/631,202 patent/US20220276612A1/en active Pending
- 2021-04-29 EP EP21724207.2A patent/EP3973362A1/de active Pending
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WO2021224116A1 (de) | 2021-11-11 |
DE102020112523B3 (de) | 2021-09-02 |
US20220276612A1 (en) | 2022-09-01 |
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