WO2013050374A1 - Formage de composant d'horlogerie transparent monobloc - Google Patents
Formage de composant d'horlogerie transparent monobloc Download PDFInfo
- Publication number
- WO2013050374A1 WO2013050374A1 PCT/EP2012/069473 EP2012069473W WO2013050374A1 WO 2013050374 A1 WO2013050374 A1 WO 2013050374A1 EP 2012069473 W EP2012069473 W EP 2012069473W WO 2013050374 A1 WO2013050374 A1 WO 2013050374A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component
- plate
- molding material
- contact surface
- female mold
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- 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
- G04B29/00—Frameworks
- G04B29/02—Plates; Bridges; Cocks
- G04B29/027—Materials and manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
- B29C33/50—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic or flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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
- G04B15/00—Escapements
- G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
-
- 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
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/04—Rigidly-mounted keys, knobs or crowns
-
- 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
- G04B39/004—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass
- G04B39/006—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass out of wear resistant material, e.g. sapphire
-
- 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
- G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
- G04B45/0076—Decoration of the case and of parts thereof, e.g. as a method of manufacture thereof
-
- 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
- G04B5/00—Automatic winding up
- G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
- G04B5/16—Construction of the weights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C2045/2695—Moulds injecting articles with varying wall thickness, e.g. for making a tear line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/739—Horology; Equipment therefor
Definitions
- the invention relates to a method for forming a transparent, monoblock and monolayer clockwork component comprising an upper surface and a lower surface connected by an edge, said edge extending along the thickness of said component.
- the invention further relates to the application of this method to the manufacture of a timepiece component.
- the invention also relates to a watch movement comprising at least one component produced according to this method.
- the invention also relates to a timepiece comprising at least one component made according to this method.
- the invention also relates to a so-called mysterious timepiece comprising at least one plate made according to this method.
- the molded transparent parts are, on the one hand relatively thick because it is difficult to mold very fine parts in a suitable and reproducible quality.
- the wear resistance, and particularly the scratch resistance, of these known plastic components is very poor. Their use for cladding components of a timepiece, case, bezel, or ice, is therefore limited in time. This low wear resistance still makes it possible to produce components with sharp angles, which would dull too quickly in time in contact with the user, his clothes, and objects of his usual environment.
- JP 58 080587 A in the name of SUWA SEIKOSHA describes the improvement of watch cases, in terms of strength and dimensional accuracy, by the use of glass fiber treated with acrylic silane and mixed with a synthetic resin hardening to UV, such as spirane resin, with an initiator of the photo-polymerization such as benzophenone.
- These boxes are molded in molds of elastic synthetic rubber or silicone, which are fixed to glass plates and then irradiated with UV for 30 seconds to 30 minutes depending on the intensity of the radiation.
- Document CH 369 407 A in the name of LONZA describes the use of a mixture of polymethylmethacrylate and poly-glycol-dimethacrylate for making watch windows or optical glasses.
- the invention proposes to implement a method for obtaining economic, with high dimensional accuracy, transparent and monobloc timepieces components.
- the object of the invention is to provide such a component, with a surface hardness greater than that of the clock components usually obtained by molding plastic materials.
- a particular aim is still to produce components external to a timepiece, having sharp angles, for example with a faceted size or a diamond cut, and resistant to wear.
- the invention relates to a method of forming a transparent, monobloc and monolayer clockwork component comprising an upper surface and a lower surface connected by an edge, said edge extending according to the thickness of said component, characterized in that :
- a second molding material is chosen for producing a flexible mold for molding said first molding material and for allowing it to be demolded;
- a plate is made, one contact surface of which is the negative of said upper surface
- a flexible female mold is made in said second molding material, said female mold comprising:
- a flange comprising a first bearing surface arranged to cooperate in a complementary manner with said contact surface of said plate; and a second bearing surface opposite said first surface;
- a capillary injection and degassing network is produced in said female mold
- said second bearing surface of said female mold is applied to a support plate
- said first molding material is injected through said injection capillary network so as to fill completely with said first molding material a cavity delimited by said contact surface of said plate, said first contact surface of said female mold, and said flange with waterproof support by its said first bearing surface on said contact surface;
- said first injected material is allowed to polymerize in said cavity until said rigid component is obtained;
- said component is detached from said flexible female mold by deformation of the latter.
- said first material is chosen in a composition-type where said first material comprises, in proportion to the total:
- said first material injected into said cavity, during its polymerization is subjected to a temperature of between 100 ° C. and 1 ° C. for 10 to 20 seconds.
- said ultraviolet-light transparent plate is produced, and, after injection of said first molding material, said component is insulated with ultraviolet radiation, or else through said transparent plate, or after extraction of said polymerized component from said cavity, to obtain an improved hardness of said rigid component.
- said second ultraviolet-transparent molding material is chosen so as to obtain a said flexible female mold that is transparent to ultraviolet rays, and said ultraviolet ray-transparent support plate is chosen. , so as to irradiate with ultraviolet radiation, in addition to said insolation through said transparent plate, said first material injected into said cavity, through said support plate and said flexible female mold, to obtain an improved hardness of said rigid component.
- said material "PDMS®” is chosen, as said second molding material.
- a clamping force is applied to said plate and to said support plate during the injection of said first molding material into said cavity, and during the polymerization of said first molding material for the realization said component.
- the invention also relates to the application of this method to the manufacture of a timepiece component selected from: ice, crown, middle, platinum, bridge, wheel, escape wheel, anchor, oscillating weight.
- the invention also relates to a watch movement comprising at least one such component produced according to this method.
- the invention also relates to a timepiece comprising at least one such component produced according to this method.
- the invention also relates to a so-called mysterious timepiece comprising at least one plate made according to this method.
- FIG. 1 shows schematically in the form of a flowchart, the sequence of operations of implementation of the method
- FIG. 2 schematically represents, in section along the thickness of the component to be formed and substantially perpendicular to its main surfaces, the tooling in its configuration during the forming of the component, in a first variant without insolation through these tools;
- Figure 3 shows, similarly to Figure 2, a second variant where the component is insulated through one of the tools
- FIG. 4 represents, in a manner similar to FIG. 2, a third variant in which the component is insulated through several of the tools;
- FIG. 5 represents, in the form of a block diagram, a timepiece comprising at least one component made according to the invention
- the invention relates to a method of forming a transparent watchmaking component 1, comprising upper 2 and lower 3 surfaces, connected by an edge 4, the edge 4 extending along the thickness of the component 1.
- the first step of this process is the selection of a first molding material.
- this first material 5 comprises at least acrylic monomers, at least one thermal initiator, at least one UV initiator, at least one crosslinker which may be constituted by at least one of the acrylic monomers. It may also include one or more additives, which will be detailed later.
- this first material 5 comprises a mixture of acrylic monomers comprising at least one monomer whose functionality is greater than or equal to 2, at least one thermal initiator, and at least one photochemical initiator. Again, it may include one or more additives.
- this first material 5 comprises, in proportion to the total:
- At least one thermal initiator 0.5-3%
- At least one photochemical initiator 0.5-3%
- this first material is
- this first material 5 comprises, in proportion to the total:
- compositions of the first material which comprise additives which are in a range of 0-50% of the total of this first material 5
- these additives may comprise, as a percentage of the total of this first material:
- Polyamide-polyether copolymer 0-15%, preferably 10-15%
- Ethylenic ionomer resin 0-30% preferentially 10-30%
- Conductive nanoparticles gold, carbon nanotubes, silver, antimony and tin oxide alloy, aluminum and zinc oxide alloy, indium tin oxide alloy, gallium zinc oxide alloy: 0- 30% preferentially of 1 0-30%
- Magnetic nanoparticles magnetite: 0-30% preferentially 5-30%
- Silver ions 0-30% preferentially of 10-30%
- Phenolic phosphite ethylene bis [3,3-bis (3-tert-butyl-4-hydroxyphenyl) butyrate]; pentaerythritol tetrakis (3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate): 0-1 .5%
- Phosphorus derivative triphenyl phosphate 0-15%
- Silicone acrylate 0-2% preferably of 0.5-2% i.
- Dyes
- Adjuvant controlled "release” incorporated in the formulation, these adjuvants are gradually released into the medium of use: 0-50%
- a transparent and polymerizable material 5 is selected for producing component 1, preferably according to the CT type composition or the "Cover Form ®” material of "Evonik". ® "; it is also possible to choose this first transparent and polymerizable molding material for producing component 1, from the family of acrylic polymers or the "Nanocryl®” from “Hanse Chemie®”; - B: it produces a flexible female mold 9, a contact surface 10 is the negative of the lower surface 3, bordered by a flange 1 1, the mold 9 having a capillary network 14;
- a contact surface 10 is the negative of the lower surface 3, bordered by a flange 1 1, the mold 9 having a capillary network 14;
- a cavity 17 is delimited by sealing juxtaposition of the flange 11 with a plate 6 whose contact surface 7 is the negative of the upper surface 2,
- the component 1 is detached from the plates and the flexible mold 9 by deformation of the latter.
- the hardness is improved by exposure of component 1 to UV.
- the preferred embodiment of the invention comprises this UV insolation, which allows the photochemical initiator to activate in order to react; otherwise, the mechanical properties of the finished component 1 are worse.
- the first material 5 is selected in the standard composition CT which comprises, in proportion to the total:
- the "Cover Form ®” material of "Evonik Rohm ®” is selected as the first polymerizable molding material for producing component 1. This material is derived from the combination of two components: a reference liquid reagent "30A” and a reference liquid initiator "30B".
- a precision model corresponding to the male profile of the lower surface 3 is produced in a material such as "SU8®” or the like, and a mold is made with this precision model.
- This second molding material 8 is chosen to produce a flexible mold for molding the first molding material 5 and to allow it to be demolded out of "PDMS®” or polymethylsiloxane.
- the female mold 9 preferably comprises:
- a flange January 1 having a first bearing surface 12 arranged to cooperate in a complementary manner with the contact surface 7 of the plate 6;
- a capillary network 14 for injection and degassing is produced in the female mold 9;
- the second bearing surface 13 of the female mold 9 is preferably applied to a support plate 15.
- this support plate 15 is preferably rigid. When chosen to be transparent in an advantageous version of the invention, it may be made of glass or the like.
- a plate 6 is made, one contact surface 7 of which is the negative of the upper surface 2; this plate 6 is formed of a material facilitating the separation of the component 1 once polymerized. To facilitate the automation of the process, this plate 6 is advantageously rigid. When chosen to be transparent in an advantageous version of the invention, it may be made of glass or the like. Naturally, it can also be made in the same second molding material 8, and then be attached to a support plate not shown in the figures.
- the plate 6 Positioning, at a distance from the first surface 1 0 corresponding to the thickness required for the component 1, and positioned exactly relative to the first surface 1 0, using centering, locatings or the like, the plate 6 with its contact surface 7 facing the first contact surface 1 0 of the female mold 9, with the first bearing surface 1 2 in sealing contact with the contact surface 7 of the plate 6.
- the first molding material 5 is injected through the capillary injection network 14 so as to completely fill the first molding material 5 with a cavity 17 delimited by the contact surface 7 of the plate 6, the first contact surface. 10 of the female mold 9 and the flange 1 1 in sealing engagement by its first bearing surface 12 on the contact surface 7. It ensures complete degassing the cavity 17, so that no air bubble remains .
- the first injected material 17 is allowed to polymerize in the cavity 17 until a rigid component 1 is obtained.
- This natural polymerization may be accompanied by heating H, or / and insolation J with ultraviolet rays, hereinafter UV, which each have the effect of increasing the surface duration of the component 1 obtained, by performing the definitive crosslinking of the system.
- Insolation provides a significant additional hardness of about 10%, with respect to the same component polymerized at room temperature, or polymerized with heating, and in the latter case, a superficial hardness already greater than that of same polymerized component at room temperature.
- the plate 6 and the support plate 15 are moved away.
- a complementary heating and / or insolation both when the component 1 is enclosed in the cavity 17 defined by the tools, that when it is extracted.
- the duration of a cycle of injection and polymerization with heating is brief, of the order of 30 to 40 seconds.
- the insolation cycle has a duration of 10 to 20 seconds.
- a polymerization heating is carried out when the component 1 is still in the tooling, the choice of insolation in or out of tooling essentially depends on the production cycle constraints: in one case the tools are immobilized a little longer before the next component is formed, in the other case additional handling is required.
- the first injected material is subjected in the cavity 17, during its polymerization, to a temperature below 150 ° C., close to 110 ° C., in particular between 100 ° C. and 120 ° C., for 10 at 20 seconds.
- a cooling at room temperature is carried out at least as abruptly as the heating, for a period of less than 20 seconds.
- Component 1 is easily detached from the flexible female mold 9 by simple deformation of the latter.
- the plate 6 is made transparent to ultraviolet rays
- the component 1 is irradiated with ultraviolet radiation, or else through the transparent plate 6, or after extraction of the polymerized component 1 from the cavity 17, to obtain a hardness improved component 1 rigid.
- component 1 obtained by the implementation of the process, it is irradiated on all sides by ultraviolet radiation.
- the second molding material 8 that is transparent to ultraviolet rays is chosen so as to obtain a flexible female mold 9 that is transparent to ultraviolet rays, and chooses the transparent support plate to ultraviolet rays, so as to insolate the component 1 with ultraviolet radiation, in addition to the exposure through the transparent plate 6, the first material 5 injected into the cavity 1 7, through the support plate 15 and the flexible female mold 9, to obtain an improved hardness of the rigid component 1.
- a clamping force FS is applied to the plate 6 and to the support plate 15 during the injection of the first molding material 5 into the cavity 17, and during the polymerization of the first molding material 5 for producing the component 1.
- the plate 6 is produced with at least its flat contact surface 7, and the flexible female mold 9 is produced with its flange 11 comprising a first surface of support 1 2 plane.
- FIG. 6 illustrates a particular embodiment in which, in the cavity 17 forming the mold, before the injection of the first molding material 5, or during or after this injection, nodules 18, each having an electrizable core and / or magnetizable and / or electrified or / and magnetized, especially electrets type, ferrites, neodymium magnets, or the like. Electrification or magnetization may be prior to or after the injection.
- FIG. 6 illustrates, for example, magnetized particles after the complete polymerization of the first material of molding 5, in particular the first material 5 according to the standard composition CT or the product "Cover Form ®". This Figure 6 also illustrates, in an area of the upper surface 2, cells 19 arranged for lubrication. The contact surface 7 of the plate 6 is then arranged accordingly.
- a lubricant material is mixed with the first molding material 5, similar to nodules 18 above.
- the invention also relates to the application of this method to the manufacture of a timepiece component 1 chosen from: glass, crown, middle part, platinum, bridge, wheel, escape wheel, anchor, wheel, oscillating weight, housing bearing, shock absorber, this list is in no way limiting.
- the choice of the first material 5 is decisive for the holding of the component 1 considered. Indeed, some materials are designed specifically for surface coverings, thickness less than 50 ⁇ . their application for the complete realization of watch components is not always possible.
- the preferred choice of use of the first material 5 according to the CT type composition or of the product "Cover Form ®" in a thickness range that can be much greater, especially several millimeters for watch ice, is not going to self-evident, and is the result of a long test campaign. Naturally shrinkage is consequent in such thicknesses, and the corresponding molds must be dimensioned accordingly.
- the invention also relates to a watch movement 100 comprising at least one component 1 made according to this method.
- the invention also relates to a timepiece 1000 comprising at least one component 1 made according to this method, or at least one such movement 100 according to one of claims 1 to 9.
- this timepiece 1000 is a so-called mysterious timepiece comprising at least one plate made according to this method.
- this timepiece 1000 comprises a bezel faceted jewelery size made according to this method.
- the invention makes it possible to obtain components of high transparency, with a surface hardness greater than that of the usual molded plastics, of durable hardness.
- the scratch behavior is very good.
- a hardness is obtained, which, classified on the The scale of writing graphite mines is at the 7H level, compared with a 2H hardness of a standard PMMA which has been treated with an anti-scratch treatment, or with an HB hardness of a polyamide.
- the component thus produced is not scratchable by glass wool. With the use of quality molds of careful design, the polishing of the component after manufacture is not necessary.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Electric Clocks (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK14113132.6A HK1199505B (en) | 2011-10-04 | 2012-10-02 | Forming of a one-piece transparent timepiece component |
| JP2014533860A JP5782195B2 (ja) | 2011-10-04 | 2012-10-02 | 透明な一体型の時計構成部品を形成する方法 |
| IN3237CHN2014 IN2014CN03237A (enExample) | 2011-10-04 | 2012-10-02 | |
| CN201280049043.8A CN103917926B (zh) | 2011-10-04 | 2012-10-02 | 形成整体的透明钟表构件的方法 |
| US14/349,948 US9533438B2 (en) | 2011-10-04 | 2012-10-02 | Method of forming a transparent one piece timepiece component |
| KR1020147011939A KR101478960B1 (ko) | 2011-10-04 | 2012-10-02 | 투명 일체형 타임피스 부품의 형성 방법 |
| RU2014117679/05A RU2571740C2 (ru) | 2011-10-04 | 2012-10-02 | Способ изготовления прозрачного цельного компонента часов |
| EP12770115.9A EP2764410B1 (fr) | 2011-10-04 | 2012-10-02 | Formage de composant d'horlogerie transparent monobloc |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11183805.8A EP2579106A1 (fr) | 2011-10-04 | 2011-10-04 | Formage de composant d'horlogerie transparent monobloc |
| EP11183805.8 | 2011-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013050374A1 true WO2013050374A1 (fr) | 2013-04-11 |
Family
ID=47008595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/069473 Ceased WO2013050374A1 (fr) | 2011-10-04 | 2012-10-02 | Formage de composant d'horlogerie transparent monobloc |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9533438B2 (enExample) |
| EP (2) | EP2579106A1 (enExample) |
| JP (1) | JP5782195B2 (enExample) |
| KR (1) | KR101478960B1 (enExample) |
| CN (1) | CN103917926B (enExample) |
| IN (1) | IN2014CN03237A (enExample) |
| RU (1) | RU2571740C2 (enExample) |
| WO (1) | WO2013050374A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH710583A2 (fr) * | 2014-12-23 | 2016-06-30 | Swatch Group Res & Dev Ltd | Procédé de fabrication d'un cadran d'affichage transparent pour un objet portable tel qu'une pièce d'horlogerie et cadran ainsi obtenu. |
| EP3839650A1 (fr) * | 2019-12-18 | 2021-06-23 | ETA SA Manufacture Horlogère Suisse | Procede de fabrication d`au moins deux pieces mecaniques |
| EP3839648A1 (fr) * | 2019-12-18 | 2021-06-23 | ETA SA Manufacture Horlogère Suisse | Procede de fabrication d'une piece mecanique pourvue d'une zone fonctionnelle magnetique |
| EP3839649A1 (fr) * | 2019-12-20 | 2021-06-23 | Nivarox-FAR S.A. | Composant horloger rigide pour mecanisme oscillateur ou pour mecanisme d'echappement et mouvement d'horlogerie comportant un tel composant |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CH369407A (fr) | 1958-01-07 | 1963-05-15 | Lonza Ag | Utilisation d'un produit constitué par un mélange de polyméthylméthacrylate et de poly-glycol-diméthacrylate |
| JPS5880587A (ja) | 1981-11-10 | 1983-05-14 | Seiko Epson Corp | 時計用プラスチツクケ−スの製造方法 |
| EP0320811A1 (fr) | 1987-12-16 | 1989-06-21 | Eta SA Fabriques d'Ebauches | Procédé de réalisation d'un moule destiné à la fabrication de pièces de très petites dimensions |
| EP0549978A1 (fr) | 1991-12-28 | 1993-07-07 | Eta SA Fabriques d'Ebauches | Procédé pour l'assemblage d'une glace sur une boîte de montre, pièce d'horlogerie comprenant des moyens de positionnement d'une glace sur une boîte, glace et boîte destinées à équiper une telle pièce |
| US20040241049A1 (en) | 2003-04-04 | 2004-12-02 | Carvalho Bruce L. | Elastomeric tools for the fabrication of elastomeric devices and uses thereof |
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| WO2012025291A2 (en) | 2010-08-24 | 2012-03-01 | Eta Sa Manufacture Horlogère Suisse | MECHANICAL AND TRIBOLOGICAL PROPERTIES OF POLYMER-DERIVED Si/C/N SUBMILLIMETER THICK MINIATURIZED COMPONENTS FABRICATED BY DIRECT CASTING |
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| WO2008072605A1 (ja) * | 2006-12-15 | 2008-06-19 | Seiko Epson Corporation | 時計用文字板および時計 |
| DE102007028601A1 (de) * | 2007-06-19 | 2008-12-24 | Evonik Röhm Gmbh | Reaktivgemisch zur Beschichtung von Formkörpern mittels Reaktionsspritzguss sowie beschichteter Formkörper |
| DE102008002599A1 (de) * | 2008-06-24 | 2009-12-31 | Evonik Degussa Gmbh | Bauteil mit Deckschicht aus einer PA613-Formmasse |
| CA2806968A1 (en) * | 2010-07-29 | 2012-02-02 | Evonik Roehm Gmbh | Process for scratch- and abrasion-resistant coating and physical matting of plastics substrates, more particularly polymethyl methacrylate, with nanocomposite coating material |
| EP2578372B1 (fr) * | 2011-10-04 | 2014-03-19 | ETA SA Manufacture Horlogère Suisse | Procédé de fonctionnalisation optique d'un composant transparent d'horlogerie |
-
2011
- 2011-10-04 EP EP11183805.8A patent/EP2579106A1/fr not_active Withdrawn
-
2012
- 2012-10-02 EP EP12770115.9A patent/EP2764410B1/fr active Active
- 2012-10-02 RU RU2014117679/05A patent/RU2571740C2/ru active
- 2012-10-02 CN CN201280049043.8A patent/CN103917926B/zh active Active
- 2012-10-02 JP JP2014533860A patent/JP5782195B2/ja active Active
- 2012-10-02 WO PCT/EP2012/069473 patent/WO2013050374A1/fr not_active Ceased
- 2012-10-02 IN IN3237CHN2014 patent/IN2014CN03237A/en unknown
- 2012-10-02 US US14/349,948 patent/US9533438B2/en active Active
- 2012-10-02 KR KR1020147011939A patent/KR101478960B1/ko active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH369407A (fr) | 1958-01-07 | 1963-05-15 | Lonza Ag | Utilisation d'un produit constitué par un mélange de polyméthylméthacrylate et de poly-glycol-diméthacrylate |
| JPS5880587A (ja) | 1981-11-10 | 1983-05-14 | Seiko Epson Corp | 時計用プラスチツクケ−スの製造方法 |
| EP0320811A1 (fr) | 1987-12-16 | 1989-06-21 | Eta SA Fabriques d'Ebauches | Procédé de réalisation d'un moule destiné à la fabrication de pièces de très petites dimensions |
| EP0549978A1 (fr) | 1991-12-28 | 1993-07-07 | Eta SA Fabriques d'Ebauches | Procédé pour l'assemblage d'une glace sur une boîte de montre, pièce d'horlogerie comprenant des moyens de positionnement d'une glace sur une boîte, glace et boîte destinées à équiper une telle pièce |
| US20040241049A1 (en) | 2003-04-04 | 2004-12-02 | Carvalho Bruce L. | Elastomeric tools for the fabrication of elastomeric devices and uses thereof |
| EP1950021A1 (en) * | 2005-11-15 | 2008-07-30 | Techno Polymer Co., Ltd. | Resin molding process and resin molding apparatus |
| WO2012025291A2 (en) | 2010-08-24 | 2012-03-01 | Eta Sa Manufacture Horlogère Suisse | MECHANICAL AND TRIBOLOGICAL PROPERTIES OF POLYMER-DERIVED Si/C/N SUBMILLIMETER THICK MINIATURIZED COMPONENTS FABRICATED BY DIRECT CASTING |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103917926A (zh) | 2014-07-09 |
| JP5782195B2 (ja) | 2015-09-24 |
| RU2571740C2 (ru) | 2015-12-20 |
| US20140319741A1 (en) | 2014-10-30 |
| HK1199505A1 (en) | 2015-07-03 |
| US9533438B2 (en) | 2017-01-03 |
| KR101478960B1 (ko) | 2014-12-31 |
| RU2014117679A (ru) | 2015-11-10 |
| CN103917926B (zh) | 2016-10-12 |
| KR20140068262A (ko) | 2014-06-05 |
| IN2014CN03237A (enExample) | 2015-07-03 |
| JP2014531600A (ja) | 2014-11-27 |
| EP2764410B1 (fr) | 2017-08-30 |
| EP2579106A1 (fr) | 2013-04-10 |
| EP2764410A1 (fr) | 2014-08-13 |
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