EP1531696A1 - Automatic clasp for wristwatch strap - Google Patents
Automatic clasp for wristwatch strapInfo
- Publication number
- EP1531696A1 EP1531696A1 EP03750804A EP03750804A EP1531696A1 EP 1531696 A1 EP1531696 A1 EP 1531696A1 EP 03750804 A EP03750804 A EP 03750804A EP 03750804 A EP03750804 A EP 03750804A EP 1531696 A1 EP1531696 A1 EP 1531696A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elements
- clasp
- strip
- branches
- hinge
- 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
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 13
- 238000000137 annealing Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000470 constituent Substances 0.000 description 4
- 210000000707 wrist Anatomy 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/44—Making other particular articles fancy goods, e.g. jewellery products
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/18—Fasteners for straps, chains or the like
- A44C5/22—Fasteners for straps, chains or the like for closed straps
- A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
- A44C5/243—Automatic folding spring closure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/47—Strap-end-attaching devices
- Y10T24/4782—Watch strap
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49579—Watch or clock making
Definitions
- the present invention relates to a clasp of the automatic opening / closing type, in particular for a wristwatch.
- clasps which essentially consist of two elements mounted to pivot relative to each other at the respective ends of which the two free ends of the strands constituting a watch strap are connected.
- the two elements forming such a clasp are thus able to occupy two positions, namely a first position, or closed position, in which the two elements are locked one on the other by mechanical holding means, and a second position, or open position, in which these two elements are released, thereby increasing at the same time the overall diameter of the watch strap so as to allow the user to easily insert or remove it from his wrist.
- a drawback inherent in this type of clasp stems from the fact that the locking devices of the two elements which constitute it, either require a significant effort to ensure their locking, or present the risk of not keeping the bracelet securely.
- a clasp has been proposed in a patent application FR-A-2 710 503 in which the two elements are urged, in the closed position, by elastic means which thus permanently ensure a force tending to hold the clasp in closed position.
- Such a clasp makes it possible to limit the risks of inadvertent opening of the bracelet.
- a drawback of this type of clasp is that, in the open position, the two elements cannot pivot beyond an angle of 180 °, which sometimes makes it difficult to insert the user's wrist into the bracelet .
- any opening force exerted on these two elements, which tends to make them pivot beyond an aligned position, has the effect of irreparably damaging the clasp.
- a clasp of the aforementioned type has been proposed in which the two elements consist respectively of a main element and a tilting element, the main element comprising a spring of flexion requesting an extension of the tilting element beyond the articulation, in two stable equilibrium positions, namely a first position, or closed position, in which it applies the tilting element to the main element, and a second position, or open position, in which it separates the two elements from one another, the tilting element comprising at least one lumen adjacent to the joint, the dimensions of which are such that they allow to the flexion spring, when the tilting element is in the open position, to pass through this lumen so as to no longer stress said tilting element.
- the system is dual deployment, that is to say that the clasp is composed of three elements, namely a main element which comprises at each of its ends a hinge on which is mounted a tilting element as described above.
- the clasps thus produced consist of parts machined in the mass and, due to the fact that their various constituent elements must meet contradictory mechanical requirements, they are produced in several assembled parts.
- the bending spring is attached by fixing means, such as riveting or welding, on the main element.
- the present invention aims to provide a clasp of the aforementioned type intended to be manufactured, not by mechanical machining methods, but by methods of producing thin parts such as stamping, folding and cutting. .
- the invention also provides a clasp of this type in which the spring which is provided with the main element is an integral part thereof and does not consist of an attached part. The present invention thus makes it possible to produce a clasp of high mechanical quality at a particularly attractive cost price.
- the object of the present invention is to propose a manufacturing method making it possible to produce in one piece each of the two constituent elements of a clasp.
- the present invention thus relates to a method of manufacturing a clasp, in particular for a watch strap, from a metal strip, of the type comprising a main element and at least one tilting element, which are linked to one of their respective ends by an articulation, a flexion spring secured to one of these elements being applied, at least in the closed position on the other element in order to maintain it elastically in this closed position, characterized in that it includes the steps of:
- the method comprises a step during which a blank strip is formed from a strip consisting of a rolled up strip, the width of which corresponds to one of the dimensions of the element to be produced, each of the blanks constituting the blank strip being connected to the blanks which are adjacent to it by at least one connecting tab.
- the blanks can be arranged in such a way that their longitudinal axis is oriented perpendicular to the longitudinal axis of the blank strip.
- the blank strip will travel along its longitudinal axis in front of heating means located in zones arranged on its transverse edges, so as to carry out an annealing operation on at least one longitudinal strip of the blank strip.
- the localized heating means will consist of a laser beam.
- a rolling operation will be carried out after the heating phase at the end of the branches of the elements, so as to form hinges.
- two legs of the same end of a tilting element will be wound up so as to constitute a double hinge, namely an internal hinge intended to receive an axis of rotation common with the main element and an external hinge intended to receive an axis stop.
- the end of the branch can be welded to the element on which it is made.
- the subject of the present invention is also a clasp, in particular for a watch bracelet, of the type comprising at least two elements, namely a main element and a tilting element which is pivotally mounted relative to the latter by means of a hinge, characterized in that:
- each of these elements has at least one of its ends two longitudinal branches, the ends of which are rolled so as to form a hinge of said articulation,
- At least one of the ends of one of the elements comprises a flexion spring capable of coming, at least in the position of use, bearing against the other element so as to ensure their elastic retention.
- each branch of the main and tilting elements is provided with at least one rib of longitudinal rigidity.
- the bending spring will be formed on the main element.
- the rolling of the branches of that of the two elements which is not provided with the bending spring may be double, so as to form on the one hand a first internal hinge admitting the axis of rotation passing through the hinges of the articulation , and a second external hinge intended to support an abutment axis disposed beyond the first axis of rotation, towards the outside, and on which the flexion spring will come to bear in the position of use of the clasp.
- at least the element provided with the bending spring will consist of stainless steel with a high content of elements such as nickel, chromium, molybdenum, cobalt, sum of the contents of these elements being greater than 80%.
- FIG. 1 is a plan view of the blanks constituting the main and tilting elements of an example of a clasp according to the invention.
- FIG. 2 is a perspective view of a main element and of a tilting element before they are assembled on a clasp of the double deployment type.
- Figure 3 is a perspective view of the double deployment clasp shown in Figure 2, the constituent elements thereof being assembled and one of the tilting elements being in the open position.
- Figure 4 is a perspective view of the clasp shown in Figures 2 and 3, the two tilting elements being in the closed position.
- Figure 5 is a schematic elevational view of an example of an installation for the manufacture of a clasp according to the invention.
- Figure 6 is a schematic top view of a blank strip during the manufacturing process.
- the clasp according to the invention which is shown in Figures 2 to 4 is of the double deployment type, that is to say that it consists of three essential elements, to knowledge of a main element 1 and two tilting elements 3.
- FIG. 7 is a perspective view of an alternative embodiment of a clasp according to the invention.
- the main element 1 is curved and ends at each of its two ends with two branches 5, the ends of which are wound so as to form hinges 7.
- These ends comprise two longitudinal notches 9 which thus define a central tongue which constitutes a spring bending 11.
- the tilting element 3 also comprises on one side, two longitudinal branches 13 which end in a double hinge 15, formed of an internal hinge 15a and an external hinge 15b, and which are arranged in such a direction transverse they can take place in the longitudinal notches 9 of the main element 1. It has at its other end a central tab 6 whose end is rolled so as to form a hinge 8 intended to be connected to one of the ends of the watch strap.
- the main 1 and tilting elements 3 are linked by a rotation axis 16 which is force fitted into the hinges 7 of the main element 1 and the internal hinges 15a of the rocking element 3.
- a stop axis 18 is force fitted in the hinges 15b.
- the flexion springs 11 are supported on their respective abutment axes 18, so that they exert on them here a force creating a couple of rotation on the tilting elements 3 (due to the offset e existing between the axis of rotation 15 and the stop axis 18) tending to apply them elastically against the main element 1, so that they then ensure the elastic retention in the closed position of the clasp.
- the branches of the main 1 and tilting 3 elements will preferably be provided with respective ribs 20 and 22 which will make it possible to control their rigidity.
- the space between the arms 13 of the tilting element 3 extends inward to form a window 24 whose dimensions are greater than those of the end of the spring 11, it is then possible to pivot the two elements further since, during this movement, the end of the spring 11 has the possibility of passing through the window 24.
- Each of the main 1 and tilting elements 3 is obtained from a stainless steel strip which is cut, for example by a punching operation, so as to constitute two respective blanks 1 'and 3', as shown in the figure 1.
- the strip has a rigidity which is equal to that which it is desired to give to the bending spring 11, so that the latter is able to perform its functions as specified above.
- the hinges 7 and 15 of the main 1 and tilting elements 3 are formed by winding the ends of the respective branches 5 and 13 and welding the ends of these on the corresponding elements.
- this welding operation will be carried out using means allowing extreme precision and in particular by means of the laser beam type.
- the manufacturing of the main 1 and tilting elements 3 will be carried out by a continuous process in which the blanks are arranged in a continuous strip (or blank strip 12), each blank being connected to the blanks which are adjacent to it by connecting tabs 4.
- the blanks 1 ′ and 3 ′ are arranged transversely relative to the metal strip, that is to say that their longitudinal axis xx ′ is perpendicular to the longitudinal axis yy 'of the strip.
- FIGS. 5 and 6 show the different successive phases of the process allowing the main element 1 of the clasp to be produced from a strip of roll 2 which takes place throughout the process and passes in front of different work stations Pi, P 2 , ..., P 5 corresponding respectively to machining steps I, II, ..., V.
- the strip 2 passes through the cutting station Pi where the blank is formed, this cutting being such that the blank is connected to each of the blanks which are adjacent to it by two tabs of link 4 so as to form a blank strip 12, so that it is possible to maintain the advantages associated with this type of arrangement throughout the chain.
- the blank strip 12 moves in front of the post P 2 which consists of a laser beam which performs very localized heating on the two longitudinal edges of the strip which corresponds to the two ends of the blank l 'and more precisely at the ends of the branches 5.
- the width 1' of this treatment strip 10, (shown in double hatching in FIG. 6), corresponds to the length 1 of the branches which will then be rolled up to form the hinge 7.
- This length will be limited so as not to reduce the stiffness of the bending spring 11.
- Those skilled in the art will be able to adjust the power of the tool as well as the speed of travel of the blank in front of it so that the metal is brought to the appropriate temperature for effective annealing.
- the ends of the legs 5 are rolled, so as to form the hinges 7, at the two ends of the blank 1 '.
- double hinges will be produced at one of their ends, that is to say that they will consist of a slightly flattened roll in its center which it will receive on the internal hinge 15a the axis of rotation 16 and on the external hinge 15b the stop axis 18.
- a rib is made at the station P 4 / on each of the legs of the tilting element 3 which will make up for its loss of rigidity caused by the annealing operation.
- a cutting machine is used to shear and eliminate the connecting tabs 4 which join the blanks together.
- the clasps according to the invention can be made with many types of metals.
- a stainless steel with a high content of elements such as nickel, chromium, molybdenum, cobalt, the sum of the contents of these elements being preferably greater than 80%, because of its real and recognized qualities. of stainlessness in highly oxidizing environments, such as those to which these products are subjected when they are in contact with the wrists of a user.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Buckles (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Adornments (AREA)
- Pivots And Pivotal Connections (AREA)
- Closures For Containers (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0208750A FR2842081B1 (en) | 2002-07-11 | 2002-07-11 | AUTOMATIC CLASP FOR A WATCH STRAP |
FR0208750 | 2002-07-11 | ||
PCT/FR2003/002208 WO2004006710A1 (en) | 2002-07-11 | 2003-07-11 | Automatic clasp for wristwatch strap |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1531696A1 true EP1531696A1 (en) | 2005-05-25 |
EP1531696B1 EP1531696B1 (en) | 2010-03-03 |
Family
ID=29763753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03750804A Expired - Lifetime EP1531696B1 (en) | 2002-07-11 | 2003-07-11 | Process for manufacturing an automatic clasp for wristwatch strap |
Country Status (9)
Country | Link |
---|---|
US (1) | US7337541B2 (en) |
EP (1) | EP1531696B1 (en) |
JP (1) | JP4356893B2 (en) |
CN (1) | CN1668222B (en) |
AT (1) | ATE459261T1 (en) |
AU (1) | AU2003269021A1 (en) |
DE (1) | DE60331551D1 (en) |
FR (1) | FR2842081B1 (en) |
WO (1) | WO2004006710A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4806958B2 (en) * | 2005-05-16 | 2011-11-02 | 株式会社デンソー | Mounting structure, device, and band fixing rod |
DE102008064459A1 (en) * | 2008-12-22 | 2010-06-24 | GM Global Technology Operations, Inc., Detroit | Tape unit for a holding device and holding device |
US8789246B2 (en) * | 2011-06-10 | 2014-07-29 | Suunto Oy | Asymmetric butterfly clasp |
EP3011857B1 (en) * | 2014-10-24 | 2017-03-15 | The Swatch Group Management Services AG | Bracelet clasp |
CH713613B1 (en) * | 2017-03-23 | 2021-03-15 | Bulgari Horlogerie Sa | Folding clasp |
EP3420839B1 (en) * | 2017-06-26 | 2022-10-05 | Rolex Sa | Clasp for wristwatch |
CH717459A1 (en) * | 2020-05-28 | 2021-11-30 | G Et F Chatelain Succursale De Chanel Sarl | Extendable clasp with folding clasp for a bracelet, in particular a watch. |
US11819096B2 (en) | 2020-06-16 | 2023-11-21 | Elc Management Llc | Single-piece watch band |
EP4159080B1 (en) * | 2021-10-01 | 2024-03-27 | Omega SA | Adjustable bracelet clasp |
KR102365825B1 (en) * | 2021-10-07 | 2022-02-23 | 안은경 | A method for manufacturing a bracelet connector in which tensile reinforcement parts are formed on both sides and a bracelet connector manufactured by the same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE621286C (en) * | 1933-04-11 | 1935-11-04 | Josef Alvera | Strap closure |
US2001216A (en) * | 1933-08-24 | 1935-05-14 | Gemex Co | Bracelet buckle |
US3109229A (en) * | 1960-07-01 | 1963-11-05 | Louis V Cataldi | Method of manufacturing a cuff link |
CH471556A (en) * | 1968-04-22 | 1969-04-30 | Zelcaux Henri | Clasp for bracelet |
US3682603A (en) * | 1971-02-03 | 1972-08-08 | Duchess Mfg Corp | Watch band and a method for manufacturing the same |
US4151014A (en) * | 1977-05-31 | 1979-04-24 | Western Electric Company, Inc. | Laser annealing |
US4405386A (en) * | 1982-04-05 | 1983-09-20 | Olin Corporation | Process and apparatus for improving cold rollability and/or strip annealability of metals and metal alloys |
US5309616A (en) * | 1991-06-26 | 1994-05-10 | Do-All J.M.C. Inc. | Method of making a catch for jewelry clasp |
FR2710503A1 (en) * | 1993-09-29 | 1995-04-07 | Dalacopoulos Alexandre | Adjustable clamping device for watch bracelets (straps) |
FR2735335B1 (en) * | 1995-06-15 | 1997-08-01 | Smh Management Services Ag | FASTENER BUCKLE CLASP |
TW564699U (en) * | 1996-11-06 | 2003-12-01 | Smh Man Services Ag | Clasp with unfolding buckle |
FR2761240B1 (en) * | 1997-03-26 | 1999-04-23 | Chatelain Sa G & F | AUTOMATIC CLASP, PARTICULARLY FOR A WATCH STRAP |
WO2000001269A1 (en) * | 1998-07-02 | 2000-01-13 | Citizen Watch Co., Ltd. | Rotation stopper for opening and closing plates in center fixing device of band-shaped ornament |
EP1188389B1 (en) * | 2000-08-22 | 2005-02-09 | Richemont International S.A. | Strap clasp |
-
2002
- 2002-07-11 FR FR0208750A patent/FR2842081B1/en not_active Expired - Lifetime
-
2003
- 2003-07-11 CN CN03816453.1A patent/CN1668222B/en not_active Expired - Fee Related
- 2003-07-11 DE DE60331551T patent/DE60331551D1/en not_active Expired - Lifetime
- 2003-07-11 AT AT03750804T patent/ATE459261T1/en not_active IP Right Cessation
- 2003-07-11 EP EP03750804A patent/EP1531696B1/en not_active Expired - Lifetime
- 2003-07-11 JP JP2004520778A patent/JP4356893B2/en not_active Expired - Fee Related
- 2003-07-11 WO PCT/FR2003/002208 patent/WO2004006710A1/en active Application Filing
- 2003-07-11 US US10/520,844 patent/US7337541B2/en not_active Expired - Lifetime
- 2003-07-11 AU AU2003269021A patent/AU2003269021A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004006710A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1668222A (en) | 2005-09-14 |
CN1668222B (en) | 2011-09-07 |
AU2003269021A1 (en) | 2004-02-02 |
US20070028586A1 (en) | 2007-02-08 |
US7337541B2 (en) | 2008-03-04 |
EP1531696B1 (en) | 2010-03-03 |
JP4356893B2 (en) | 2009-11-04 |
FR2842081A1 (en) | 2004-01-16 |
ATE459261T1 (en) | 2010-03-15 |
FR2842081B1 (en) | 2004-08-27 |
DE60331551D1 (en) | 2010-04-15 |
WO2004006710A1 (en) | 2004-01-22 |
JP2005532133A (en) | 2005-10-27 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AX | Request for extension of the european patent |
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DAX | Request for extension of the european patent (deleted) | ||
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BOHRER, JEAN-LOUIS Inventor name: NICOLET, FREDERIC Inventor name: GROSSIORD, CLAUDE |
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17Q | First examination report despatched |
Effective date: 20080731 |
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Free format text: PROCESS FOR MANUFACTURING AN AUTOMATIC CLASP FOR WRISTWATCH STRAP |
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