EP3339970A1 - Uhr-zifferblatt aus einer leichtmetall-legierung - Google Patents

Uhr-zifferblatt aus einer leichtmetall-legierung Download PDF

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Publication number
EP3339970A1
EP3339970A1 EP16205879.6A EP16205879A EP3339970A1 EP 3339970 A1 EP3339970 A1 EP 3339970A1 EP 16205879 A EP16205879 A EP 16205879A EP 3339970 A1 EP3339970 A1 EP 3339970A1
Authority
EP
European Patent Office
Prior art keywords
light alloy
dial
foot
zone
weldable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16205879.6A
Other languages
English (en)
French (fr)
Other versions
EP3339970B1 (de
Inventor
Philippe Barfuss
Frédéric Jeanrenaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rubattel et Weyermann SA
Original Assignee
Rubattel et Weyermann SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rubattel et Weyermann SA filed Critical Rubattel et Weyermann SA
Priority to EP16205879.6A priority Critical patent/EP3339970B1/de
Priority to US16/465,305 priority patent/US20190391533A1/en
Priority to CN201780079310.9A priority patent/CN110178093B/zh
Priority to JP2019551746A priority patent/JP6827126B2/ja
Priority to EP17811613.3A priority patent/EP3559758B1/de
Priority to PCT/EP2017/082534 priority patent/WO2018114500A1/fr
Publication of EP3339970A1 publication Critical patent/EP3339970A1/de
Application granted granted Critical
Publication of EP3339970B1 publication Critical patent/EP3339970B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings
    • 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
    • G04B19/14—Fastening the dials to the clock or watch plates
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe

Definitions

  • the invention relates to a timepiece dial whose material is a light alloy, comprising a flange whose material is a first light alloy, having on a first side at least one display area visible to a user, and, on a second side opposite the first side, at least one foot for positioning and / or fixing said dial in a clockwork movement.
  • the invention also relates to a monobloc dial assembly, whose material is a light alloy, comprising such a dial.
  • the invention also relates to a method of manufacturing a monobloc clock watch assembly whose material is a light alloy.
  • the invention relates to the field of display components for the watch industry or for scientific instruments or measuring devices.
  • Watchmaking or scientific instruments dials include fixing and / or positioning feet on a plate or in a movement.
  • these feet are made of copper, coated with a fine deposit of gold to prevent their oxidation and improve their electrical contact.
  • the dials are generally cuprous alloy, brass, nickel silver or the like, therefore the feature in the different steps of the process is the same on the dial and the feet it contains.
  • the resistance welding process makes it possible to secure these feet and dial, by subjecting them to a pulse of energy along the direction of the foot, this energy melting the metal locally at the interface of the dial and the foot, at one end of the dial.
  • foot which is called the pivot which has a defined diameter, often less than the diameter of the foot, over a defined height, and which constitutes a fuse element which ensures the connection with the dial.
  • cuprous alloy feet are not suitable for making dials made in some light alloys, including aluminum alloys.
  • cuprous alloy feet dissolve during electrochemical conversion processes, such as anodization, anodic oxidation or the like, in baths or electrolytes comprising sulfuric or sulfonitric acid.
  • the invention proposes to report light alloy feet, in particular aluminum or titanium, on a flange of light alloy bare dial, in particular aluminum or titanium, to transform this bare dial into a dial set comprising feet rigidly secured with this flange, and having the same chemical behavior as him.
  • the invention relates to a timepiece according to claim 1.
  • the invention further relates to a one-piece dial assembly according to claim 6.
  • the invention also relates to a method of manufacturing a monobloc watch-dial assembly according to claim 10.
  • the invention relates to a watch face 1 whose material is a light alloy, comprising a flange 2 whose material is a first light alloy.
  • this dial 1 is plane, or substantially plane, or with a radius of curvature greater than 30 mm.
  • This flange 2 comprises, on a first side at least one display area 3 visible by a user, and on a second side opposite the first side to the front and called back at least one foot 4 for the positioning and / or fixing of the dial 1 in a watch movement 100.
  • This dial 1 is a dial whose components, including the feet 4, are removable.
  • the flange 2 comprises at least one receiving zone 5 complementary to an end zone 6 of at least one foot 4, which is a weldable foot 40, which is arranged to be welded or brazed with the flange 2 at the interface between the receiving zone 5 and the end zone 6.
  • the constituent material of such a weldable foot 40 is the first light alloy, or a second light alloy which is weldable or brazeable with the first light alloy.
  • At least one receiving zone 5 comprises a profile arranged to cooperate in complementary manner in support with a complementary profile that comprises a respective end zone 6 relative to the assembly of the same weldable foot 40.
  • At least one receiving zone 5 envelopes a respective end zone 6 relative to the assembly of the same weldable foot 40.
  • At least one end zone 6 envelopes a respective receiving zone 5 relative to the assembly of the same weldable foot 40.
  • At least one receiving zone 5 is arranged to cooperate in plane support with a respective end zone 6 relative to the assembly of the same weldable foot 40.
  • At least one pair formed of an end zone 6 and a complementary receiving zone 5 comprises, in a first assembled state that is not welded or brazed, a tapping cooperating with a thread.
  • At least one receiving zone 5 is part of a groove or rib of revolution, in particular made during machining of the flange 2 by turning, and the end zone 6 which it is complementary is a part of a rib or throat of complementary revolution.
  • the first light alloy and the second light alloy are selected from alloys of aluminum, titanium, or magnesium.
  • alloy is meant here as well the pure metal coated with its oxide layer developed in contact with the atmosphere, such as Al 2 O 3 for aluminum, or TiO 2 for titanium, an alloy in the traditional sense of term with addition elements
  • the first light alloy and the second light alloy are two aluminum alloys. These alloys are preferably selected from the most easily weldable aluminum alloys. More particularly and not exclusively, they are chosen from aluminum alloys without structural hardening, families 1000 (without addition element) and more particularly 1050 O in the annealed state, 3000 (with addition of manganese) and more. particularly the 3003 O in the annealed state, 5000 (with addition of magnesium) which is well welded and is well adapted to the anodization, and more particularly the 5086 O in the annealed state or the 5083 H111 hardened and stabilized.
  • the first light alloy is an aluminum alloy
  • the second light alloy is a titanium alloy, such as TiO 2 , TiAl 6 V 4 or TA6V, or the like.
  • the second light alloy is an aluminum alloy
  • the first light alloy is a titanium alloy, such as TiO 2 , TiAl 6 V 4 or TA6V, or the like.
  • the first light alloy is an aluminum alloy
  • the second light alloy is a magnesium alloy which bonds well with aluminum, such as MgAl 6 Zn 3 or G-A6Z3, or MgAl 9 Zn says G-A9Z, or MgZn 5 Th 2 Zr, or MgZr.
  • MgAl 6 Zn 3 or G-A6Z3 or MgAl 9 Zn says G-A9Z, or MgZn 5 Th 2 Zr, or MgZr.
  • the invention also relates to a one-piece dial assembly 10, the material of which is a light alloy, comprising a bare dial 1, and which results from the transformation of this dial 1 by at least one welding or brazing operation which solidarizes irreversibly.
  • a one-piece dial assembly 10 the material of which is a light alloy, comprising a bare dial 1, and which results from the transformation of this dial 1 by at least one welding or brazing operation which solidarizes irreversibly.
  • those of the components which have been welded or brazed together in particular the flange 2 and all or part of the feet 4.
  • the welded or brazed connection zone no longer contains trace of the initial geometry of the end zones 6 and the reception zones 5 complementary concerned by the welding or soldering operation.
  • the end zone 6 and the reception zone 5 are joined in a way that can not be dismantled at the a welded or brazed connection between the flange 2 and the weldable foot 40 concerned.
  • the end zone 6 and the reception zone 5 are joined releasably at a welded connection. or brazed between the flange 2 and the weldable foot 40 concerned.
  • the one-piece dial assembly 10 comprises an anodized surface layer, or a chromic or sulfuric anodic oxidation surface layer, the corresponding surface treatment being carried out after the one or more welding or soldering operations.
  • the invention also relates to a watch 1000 comprising such a dial assembly 10.
  • the invention also relates to a scientific instrument comprising such a dial assembly 10.
  • the invention also relates to a measuring apparatus comprising such a dial assembly 10.
  • dial plane 1 or substantially plane, or with a radius of curvature greater than 30 mm, is produced.
  • the dial 1 is made before welding or brazing with at least one receiving zone 5 which, in the first assembled state, not welded or brazed, wraps a respective end zone 6 relative to the assembly of the same weldable foot 40 .
  • the dial 1 is made before welding or soldering with at least one end zone 6 which, in the first assembled state, not welded or brazed, envelopes a respective receiving zone 5 relative to the assembly of the same weldable foot 40 .
  • the dial 1 is produced before welding or brazing with at least one pair, formed of an end zone 6 and a complementary receiving zone 5, which comprises, in the first assembled state, not welded or brazed, a tapping cooperating with a thread.
  • an operation of anodizing, or chromic or sulfuric, anodic oxidation of the surface layer of the dial assembly 10 is carried out.
  • the first light alloy and the second light alloy are selected from alloys of aluminum, titanium or magnesium.
  • the first light alloy and the second light alloy are chosen which are two aluminum alloys.
  • the first light alloy and the second light alloy are chosen which are two titanium alloys.
  • the first light alloy and the second light alloy are chosen which are two magnesium alloys.
  • the first light alloy is chosen which is an aluminum alloy
  • the second light alloy is a titanium alloy, or vice versa.
  • first light alloy and a second light alloy which are two aluminum alloys is advantageous for the application of an anodizing process.
  • Soldering or brazing the feet at the beginning of the cycle avoids the risk of rejection at the end of production when the product has reached its maximum value.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)
  • Arc Welding In General (AREA)
  • Adornments (AREA)
EP16205879.6A 2016-12-21 2016-12-21 Uhr-zifferblatt aus einer leichtmetall-legierung Active EP3339970B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP16205879.6A EP3339970B1 (de) 2016-12-21 2016-12-21 Uhr-zifferblatt aus einer leichtmetall-legierung
US16/465,305 US20190391533A1 (en) 2016-12-21 2017-12-13 Timepiece dial whose material is a light alloy
CN201780079310.9A CN110178093B (zh) 2016-12-21 2017-12-13 轻合金材质的钟表表盘
JP2019551746A JP6827126B2 (ja) 2016-12-21 2017-12-13 軽合金を素材とする計時器文字盤
EP17811613.3A EP3559758B1 (de) 2016-12-21 2017-12-13 Uhr-zifferblatt aus einer leichtmetall-legierung
PCT/EP2017/082534 WO2018114500A1 (fr) 2016-12-21 2017-12-13 Cadran d'horlogerie dont le materiau est un alliage leger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16205879.6A EP3339970B1 (de) 2016-12-21 2016-12-21 Uhr-zifferblatt aus einer leichtmetall-legierung

Publications (2)

Publication Number Publication Date
EP3339970A1 true EP3339970A1 (de) 2018-06-27
EP3339970B1 EP3339970B1 (de) 2022-03-23

Family

ID=57629360

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16205879.6A Active EP3339970B1 (de) 2016-12-21 2016-12-21 Uhr-zifferblatt aus einer leichtmetall-legierung
EP17811613.3A Active EP3559758B1 (de) 2016-12-21 2017-12-13 Uhr-zifferblatt aus einer leichtmetall-legierung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17811613.3A Active EP3559758B1 (de) 2016-12-21 2017-12-13 Uhr-zifferblatt aus einer leichtmetall-legierung

Country Status (5)

Country Link
US (1) US20190391533A1 (de)
EP (2) EP3339970B1 (de)
JP (1) JP6827126B2 (de)
CN (1) CN110178093B (de)
WO (1) WO2018114500A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3828643A1 (de) 2019-11-26 2021-06-02 Rolex Sa Zifferblatt für uhr

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210026306A1 (en) * 2019-07-25 2021-01-28 Casio Computer Co., Ltd. Dial, module, electronic device and timepiece
EP3835880B1 (de) 2019-12-10 2022-08-10 Comadur S.A. Uhrzifferblatt mit füsschen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH332878A (de) * 1956-03-29 1958-09-30 Rihs Fritz Verfahren zur Herstellung eines Zifferblattes für Uhren und dergleichen
US3803832A (en) * 1972-02-01 1974-04-16 N Shimizu Dial for wrist watch and a method of making the same
JPS5070216A (de) * 1973-10-26 1975-06-11
CH604227B5 (de) * 1975-11-24 1978-08-31 Charles Ruetschi
US5966344A (en) * 1994-03-31 1999-10-12 Citizen Watch Co., Ltd. Watch containing light transmitting metallic dial

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH343312A (fr) * 1958-12-16 1959-12-15 Beyeler & Cie Procédé de fabrication d'un cadran de montre et cadran obtenu selon ce procédé
JPS4998274A (de) * 1973-01-23 1974-09-17
CH1677973A4 (fr) * 1973-11-29 1976-12-15 Montavon Denis Procédé de fabrication d'un cadran de montre, cadran résultant de ce procédé
JPS5162065A (ja) * 1974-11-27 1976-05-29 Suwa Seikosha Kk Tokeiyomojiban
JPS5234265U (de) * 1975-09-01 1977-03-10
JPS52139466A (en) * 1976-05-18 1977-11-21 Citizen Watch Co Ltd Timepiece dial
JPS5417763U (de) * 1978-07-11 1979-02-05
JPS569074U (de) * 1979-06-29 1981-01-26
JPS63249082A (ja) * 1987-04-06 1988-10-17 Seiko Instr & Electronics Ltd 文字板固定構造
JP5187712B2 (ja) * 2006-03-09 2013-04-24 大陽日酸株式会社 接合方法
JP2010223786A (ja) * 2009-03-24 2010-10-07 Citizen Holdings Co Ltd 金属筺体部材
EP2400354A1 (de) * 2010-06-22 2011-12-28 The Swatch Group Research and Development Ltd. Zifferblattfuß einer Uhr
JP5623808B2 (ja) * 2010-07-12 2014-11-12 シチズンホールディングス株式会社 時計用文字板
KR20160023003A (ko) * 2014-08-20 2016-03-03 현대모비스 주식회사 알루미늄 합금의 제조 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH332878A (de) * 1956-03-29 1958-09-30 Rihs Fritz Verfahren zur Herstellung eines Zifferblattes für Uhren und dergleichen
US3803832A (en) * 1972-02-01 1974-04-16 N Shimizu Dial for wrist watch and a method of making the same
JPS5070216A (de) * 1973-10-26 1975-06-11
CH604227B5 (de) * 1975-11-24 1978-08-31 Charles Ruetschi
US5966344A (en) * 1994-03-31 1999-10-12 Citizen Watch Co., Ltd. Watch containing light transmitting metallic dial

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 197642, Derwent World Patents Index; AN 1976-78050X, XP002772274 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3828643A1 (de) 2019-11-26 2021-06-02 Rolex Sa Zifferblatt für uhr
WO2021104698A1 (fr) 2019-11-26 2021-06-03 Rolex Sa Bague de liaison pour cadran horloger, plaque de cadran horloger et procédé d'assemblage de cadran horloger.

Also Published As

Publication number Publication date
EP3559758B1 (de) 2023-08-09
WO2018114500A1 (fr) 2018-06-28
JP6827126B2 (ja) 2021-02-10
EP3339970B1 (de) 2022-03-23
US20190391533A1 (en) 2019-12-26
EP3559758A1 (de) 2019-10-30
JP2020501169A (ja) 2020-01-16
CN110178093A (zh) 2019-08-27
CN110178093B (zh) 2021-03-09

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