BARREL SHAFT FOR A CLOCK MOVEMENT, BARREL SPRING, AND BARREL INCLUDING SUCH A SPRING AND/OR SUCH A SHAFT

The invention relates to a barrel spring ( 2 ) including: an inner end ( 5 ) and an outer end; a first portion ( 50 ) having a first height (H); a second portion ( 52 ) having a second height (h) that is smaller than the first height (H) and being located near the inner end ( 5 ); and, at the second portion, e.g. at the inner end, a first attachment element ( 51 ) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.

Barrel shaft for a clock movement, barrel spring and barrel including such a spring and/or such a shaft

The invention relates to a barrel spring ( 2 ) including: an inner end ( 5 ) and an outer end; a first portion ( 50 ) having a first height (H); a second portion ( 52 ) having a second height (h) that is smaller than the first height (H) and being located near the inner end ( 5 ); and, at the second portion, e.g. at the inner end, a first attachment element ( 51 ) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.

Method for making a spring for a timepiece

The invention relates to a method for making a spring for a timepiece that comprises at least one monobloc ribbon of metal glass including at least one curvature. The method is characterized in that said method comprises the step of shaping by means of plastic-deformation said monobloc ribbon in order to obtain at least a portion of said curvature.

Watch-making or clock-making component comprising an amorphous metal alloy

The invention relates to a watch-making or clock-making component comprising an amorphous metal alloy corresponding to the formula: FeaCobNicNbdVeBfTag, in which: 0 < a < 70; 0 < b < 70; 8 < c < 60; 1 < d < 19; 1 < e < 10; 12 < f < 25; 0 < g < 5; with 20 < a + b < 70; 50 < a + b + c < 90; 5 < d + e < 20; and a + b + c + d + e + f + g = 100. This watch-making or clock-making component may be a spring, such as a barrel spring.

Amorphous metal alloy

The invention relates to an amorphous metal alloy which may be used in the field of mechanical applications, in particular as a spring. This amorphous metal alloy corresponds to the formula FeaCObNicNbdVeBfTag in which: 0 = a = 70; 0 = b = 70; 8 < c = 60; 1 = d = 19; 1 = e <=10; 12 = f = 25; 0 = g = 5; with 20 = a + b = 70; 50 = a + b + c = 90; 5 = d + e = 20; and a + b + c + d + e + f + g = 100.

METHOD FOR MAKING A SPRING FOR A TIMEPIECE

The invention relates to a method for making a spring for a timepiece that comprises at least one monobloc ribbon of metal glass including at least one curvature. The method is characterized in that said method comprises the step of shaping by means of plastic-deformation said monobloc ribbon in order to obtain at least a portion of said curvature. 1. A method of making a timepiece spring comprising at least one monolithic ribbon of metallic glass having at least one curvature , wherein the method comprises a step of shaping said monolithic ribbon by plastic deformation in order to obtain at least part of said curvature.2. The method as claimed in claim 1 , in which the step of shaping the monolithic ribbon by plastic deformation is preceded by a step of obtaining this ribbon which involves jetting a liquid metal alloy capable of forming a metallic glass onto a cooled and moving substrate.3. The method as claimed in claim 2 , in which the monolithic ribbon of metallic glass is obtained by hyperquenching following one of the methods known as planar flow casting claim 2 , melt-spinning claim 2 , and twin roll casting.4. The method as claimed in claim 2 , in which the jetting is performed in such a way as to obtain a rate of cooling of the liquid metal alloy higher than 10000° C./s.5. The method as claimed in claim 1 , in which the jetting is performed in such a way as to obtain a monolithic ribbon having a thickness of between 50 and 150 μm.6. The method as claimed in claim 1 , in which the step of shaping by plastic deformation is preceded or followed by a step of fixing at least part of the monolithic ribbon.7. The method as claimed in claim 1 , in which the step of shaping by plastic deformation is preceded or followed by a step of fixing said part of curvature by heat treating at least this part of curvature.8. The method as claimed in claim 7 , in which the fixing step is performed by elastic deformation of said ribbon in a support followed by a fixing of the ...

AMORPHOUS METAL ALLOY

The invention relates to an amorphous metal alloy which may be used in the field of mechanical applications, in particular as a spring. This amorphous metal alloy corresponds to the formula FeCONiNbVBTain which: 0≦a≦70; 0≦b≦70; 8 Подробнее

WATCH-MAKING OR CLOCK-MAKING COMPONENT COMPRISING AN AMORPHOUS METAL ALLOY

The invention relates to a watch-making or clock-making component comprising an amorphous metal alloy corresponding to the formula: FeCoNiNbVBTa, in which: 0 Подробнее

ASSEMBLY OF CONNECTED TERMINALS FOR PROGRAMMING AND MANAGING A SELECTION OF FUNCTIONS

An assembly includes a main terminal equipped with a communication module using at least a first communications protocol capable of connecting the main terminal to a communication network, which enables the use of at least one function, the main terminal being arranged to use at least one configuration program, and the configuration program enables at least one preferred function to be selected and a code representing the selected preferred function to be generated, and a second communications protocol. The assembly additionally comprises at least one secondary terminal equipped with a passive communication module using the second communications protocol to communicate with the main terminal in order to protect the code representing the selected preferred function. 1. An assembly comprising:a main terminal equipped with a communication module, which includes a first communication interface and a second communication interface, the first communication interface using at least a first communications protocol capable of connecting said main terminal to a communication network for the use of at least one function, said main terminal being arranged to use at least one configuration program, wherein the configuration program enables at least one preferred function to be selected and a code representing the selected preferred function to be generated, and the second communication interface using a second communications protocol, whereinsaid assembly further comprises at least one secondary terminal equipped with a passive communication module using the second communications protocol to communicate within communication range with said main terminal in order to save the code representing the selected preferred function, and in which said secondary terminal is arranged so that the passive communication module is woken and activated by an external power source coming from the main terminal or another terminal equipped with another communication module also using the second ...

BARREL SHAFT FOR A CLOCK MOVEMENT, BARREL SPRING AND BARREL INCLUDING SUCH A SPRING AND/OR SUCH A SHAFT

The invention relates to a barrel spring () including: an inner end () and an outer end; a first portion () having a first height (H); a second portion () having a second height (h) that is smaller than the first height (H) and being located near the inner end (); and, at the second portion, e.g. at the inner end, a first attachment element () suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft. 1. A barrel spring including:an interior end and an exterior end,a first portion having a first height (H),a second portion having a second height (h) less than the first height (H) and situated near the interior end, andin the second portion, a first attachment element adapted to be fixed to a barrel shaft, the second portion being intended to be inserted in a groove extending circumferentially on the barrel shaft.2. The spring as claimed in claim 1 , wherein the first attachment element has a maximum height (h′) such that max(h′ claim 1 , h)h′>h.3. The spring as claimed in claim 1 , wherein the first attachment element is intended to cooperate with a second attachment element on the shaft.4. The spring as claimed in claim 1 , wherein the first attachment element has a trapezoidal or substantially trapezoidal conformation.5. The spring as claimed in claim 1 , which is made from a high-performance metal alloy.6. A shaft for a clock movement barrel claim 1 , which includes a groove extending round a circumference of the shaft and intended to receive a barrel spring.7. The barrel shaft as claimed in claim 6 , wherein the groove is a staggered groove.8. The barrel shaft as claimed in claim 6 , wherein the groove has a height comparable to the second height of the spring.9. The barrel shaft as claimed in claim 6 , wherein the groove extends partly round the shaft.10. The barrel shaft as claimed in claim 6 , wherein the groove ...

FASTENING PART FOR A HAIRSPRING

An assembly () includes (i) a hairspring () made of a paramagnetic alloy including at least one of the following elements: Nb, V, Ta, Ti, Zr and Hf, notably an alloy including the elements Nb and Zr with between 5% and 25% by mass of Zr and an interstitial doping agent including oxygen, and (ii) at least one fastening part (′), notably two parts (′), in particular a stud () or a collet (′), for an end () of the hairspring (), the at least one part (′) having a first portion (′) that is designed to come into contact with the hairspring () and that is made of titanium or titanium alloy or of tantalum or tantalum alloy, notably grade 2 titanium or grade 5 titanium. 1. An assembly comprising:a hairspring made of a paramagnetic alloy, andat least one fastening part having a first portion designed to come into contact with the hairspring and made of titanium, titanium alloy, tantalum, or tantalum alloy.2. The assembly as claimed in claim 1 , wherein the first portion has two bearing surfaces separated by a slot claim 1 , each of the bearing surfaces being designed to come into contact with the hairspring.3. The assembly as claimed in claim 2 , wherein each of the bearing surfaces has claim 2 , at at least one of ends of the bearing surfaces in the direction of the height of the hairspring claim 2 , a positioning shape extending perpendicular or substantially perpendicular to the surface.4. The assembly as claimed in claim 2 , wherein each of the bearing surfaces has claim 2 , at two of the ends of the bearing surfaces in the direction of a height of the hairspring claim 2 , respectively a first positioning shape and a second positioning shape claim 2 , the shapes extending perpendicular or substantially perpendicular to the respective bearing surface.5. The assembly as claimed in claim 1 , wherein the at least one fastening part includes a second portion designed to come into contact with a stud support or with a balance arbor.6. The assembly as claimed in claim 1 , ...

FASTENING PART FOR A HAIRSPRING

A fastening stud () for one end of a hairspring, the stud having a first portion () designed to come into contact with the hairspring, the first portion being formed such as to have a first surface () and a second bearing surface () with the hairspring. 1. A fastening stud for an end of a hairspring , the stud having a first portion designed to come into contact with the hairspring , the first portion being formed so as to have a first surface and at least one second surface that is a bearing surface with the hairspring , the first surface and the at least one second surface together forming an angle.2. The stud as claimed in claim 1 , wherein the first surface and the at least one second surface are uninterrupted.3. The stud as claimed in claim 1 , wherein the first and second surfaces are discontinuous.4. The stud as claimed in claim 3 , wherein the first surface and the at least one second surface are separated by a slot.5. The stud as claimed in claim 1 , wherein each of the first surface and of the at least one second surface has claim 1 , at one of the ends of same in the direction of the height of the hairspring claim 1 , a positioning shape extending perpendicular or substantially perpendicular to the surface.6. The stud as claimed in claim 1 , wherein each of the first surface and of the at least one second surface has claim 1 , at two of the ends of same in the direction of the height of the hairspring claim 1 , respectively a first positioning shape and a second positioning shape claim 1 , the shapes extending perpendicular or substantially perpendicular to the surface.7. The stud as claimed in claim 1 , wherein the stud includes a second portion designed to come into contact with a stud support.8. The stud as claimed in claim 1 , wherein the first surface and the at least one second surface are flat.9. The stud as claimed in claim 1 , wherein the first surface and the at least one second surface are arranged substantially perpendicular to a plane of the ...

FASTENING PART FOR A HAIRSPRING

An assembly () 1. An assembly comprising:a hairspring made of a paramagnetic alloy, andat least one fastening part including a collet, the collet having a first portion designed to come into contact with the hairspring and made of titanium, titanium alloy, tantalum, or tantalum alloy,wherein the first portion has two bearing surfaces separated by a slot each of the bearing surfaces coming into contact with the hairspring.2. (canceled)3. The assembly as claimed in claim 1 , wherein each of the bearing surfaces has claim 1 , at at least one of ends of the bearing surfaces in the direction of the height of the hairspring claim 1 , a positioning shape extending perpendicular or substantially perpendicular to the respective bearing surface.4. The assembly as claimed in claim 1 , wherein each of the bearing surfaces has claim 1 , at two of the ends of the bearing surfaces in the direction of a height of the hairspring claim 1 , respectively a first positioning shape and a second positioning shape claim 1 , the shapes extending perpendicular or substantially perpendicular to the respective bearino surface.5. The assembly as claimed in claim 1 , wherein the at least one fastening part includes a second portion designed to come into contact with a balance arbor.6. The assembly as claimed in claim 1 , wherein the bearing surfaces are arranged substantially perpendicular to a plane of the hairspring and together form an angle.7. The assembly as claimed in claim 1 , wherein the bearing surfaces are curved to form portions of a single cylinder of revolution or are made tangential to a single cylinder of revolution.8. The assembly as claimed claim 7 , wherein the cylinder of revolution is centered on an axis of the collet.9. The assembly as claimed claim 1 , wherein the collet includes at least one stop.10. (canceled)11. A manufacturing method for an assembly as claimed in claim 1 , the method including:providing a collet,providing the hairspring,fastening the collet to the ...

Method for communicating and checking authentication data between a portable transponder device and a vehicle reader unit

The method enables authentication data to be communicated and checked between a transponder device (1) and a reader unit (2) of a vehicle in order to authorise access to the vehicle. The device includes a logic circuit (11), a non-volatile memory (13), an encryption and/or decryption circuit (12) and a first transmission and reception module (14, 16) of data signals (S D ). The reader unit includes a microprocessor unit (21), a memory (22), a random number generator (24) and a second module (23, 25) for transmitting and receiving data signals (S D ). A random number (RN1) generated in the reader unit is transmitted with a first encrypted function obtained using the random number and a secret key. The transponder device receives the random number and the first encrypted function. A new first encrypted function is calculated in the transponder device using a secret key identical to the secret key of the reader unit. This new first function is compared with the first received encrypted function. A second encrypted function is also calculated in the transponder device in order to be transmitted to the reader unit solely if the new first encrypted function is equal to the first received encrypted function. The validity of the second encrypted function is checked in the reader unit in order to authorize access to the vehicle. The number of bits of the random number, of the first and second encrypted functions can be configured in the transponder device and/or in the reader unit with a determined length.

Amorphous metal alloy

The invention relates to an amorphous metal alloy which may be used in the field of mechanical applications, in particular as a spring. This amorphous metal alloy corresponds to the formula Fe a CO b Ni c Nb d V e B f Ta g in which: 0 ≤ a ≤ 70; 0 ≤ b ≤ 70; 8 < c ≤ 60; 1 ≤ d ≤ 19; 1 ≤ e <≤10; 12 ≤ f ≤ 25; 0 ≤ g ≤ 5; with 20 ≤ a + b ≤ 70; 50 ≤ a + b + c ≤ 90; 5 ≤ d + e ≤ 20; and a + b + c + d + e + f + g = 100.

Method for making a spring for a timepiece

L'invention se rapporte à un procédé de fabrication d'un ressort pour pièce d'horlogerie comportant au moins un ruban monolithique en verre métallique comprenant au moins une courbure. Ce procédé se distingue en ce qu'il comprend une étape de mise en forme par déformation plastique dudit ruban monolithique afin d'obtenir au moins une partie de ladite courbure.

Barrel spring

Method for shaping a barrel spring made of metallic glass

The invention relates to a method for shaping a barrel spring made of a unitary ribbon of metallic glass that comprises calculating the theoretical shape to be given to said unitary ribbon of metallic glass so that each segment, once the spring is fitted in the barrel, is subjected to the maximum bending momentum, shaping said ribbon by imparting bends thereto characteristic of said free theoretical shape in order to take into account a potential reduction of the bends once the ribbon is released, relaxing the ribbon in order to set the shape thereof by heating the same, and cooling down said ribbon.

System and method for detecting the passage of a person or an object through an entrance-exit area in a confined space

A person or object is equipped with a portable electronic unit which is able to receive signals from two transmitting antenna located at the entrance of a defined space and covering adjacent and partly overlapping zones (A,B). The two signals (a,b) carry an identical message (100) but one signal bears an additional message (150) which is received separately from the other messages in the (A) and (AB) overlap zone <??>An Independent claim is also included for: A method of determining the sense of passage through an entrance by using an additional signal on one of two identical zone signals.

Fastening part for a hairspring

A fastening stud (1) for one end of a hairspring, the stud having a first portion (10) designed to come into contact with the hairspring, the first portion being formed such as to have a first surface (10b) and a second bearing surface (10c) with the hairspring.

Fibre-optic watch glass and watch equipped with such a glass

The watch has a case equipped with a protective glass (22) and containing a display unit (2) which is observed through the glass. The glass is made of a plate formed from a bundle of optical fibers (24). The fibers are arranged in parallel and extend perpendicular to the display unit. The glass presents an upper surface (22b) that has spherical or cylindrical convex shape. An independent claim is also included for a portable electronic instrument.

System and method for detecting an individual or object passing through the entrance-exit of a defined space

The invention relates to a system and method for detecting individuals or objects passing through an entrance-exit (4) of a defined space (2). According to the invention, the individual or object is equipped with a portable electronic unit (40) which is used to detect the direction of passage. For this purpose, said unit receives first and second electromagnetic signals (a, b) which are emitted respectively in first and second communication areas (A, B). The aforementioned communication areas are spatially separated from one another and partially overlap. Moreover, each of said first and second areas pass through an entrance-exit zone (32) which is defined by the entrance-exit. The first and second electromagnetic signals are emitted more or less in phase and at the same frequency, each of said signals comprising an identical message portion (100). One of said first or second electromagnetic signals comprises an additional message portion (150) which identifies the corresponding communication area (A, B). The emission of the other of said first or second electromagnetic signals is interrupted during the emission of the additional message portion.

Assembly for ensuring the integrity of its load and method associated therewith

Assembly including a container ( 1 ) or a removable support ( 11 ) provided with a transponder ( 7, 16 ) and respectively filled or loaded with a plurality of units ( 2, 12 ) of goods. Each unit of goods is provided with a transponder ( 3, 14 ) including an identification number. The container or removable support transponder includes a check value determined as a function of the identification number of each transponder of said units of goods

Mainspring

【課題】モータスプリングによって駆動される機構向けの主ぜんまい、特に金属ガラス材の薄帯で形成される時計用の主ぜんまいを提供すること。 【解決手段】主ぜんまいを形成するための薄帯は、５０μｍを超える厚さを有し、急冷によって金属薄帯を製造する技術である、急冷ホイール技術（プレーナフロー鋳造とも呼ばれる）によって製造される。溶融金属の噴流は、高速回転する冷たいホイールの上へ推進させられる。ホイールの速度、噴射スロットの幅、および噴射圧力は、製造される薄帯の幅および厚さを定めるパラメータである。 【選択図】図３

Arbor for a clock movement, barrel spring and barrel including such a spring and/or such an arbor

Ressort (2) de barillet comprenant :- une extrémité intérieure (5) et une extrémité extérieure,- une première portion (50) d'une première hauteur (H), et- au niveau de l'extrémité intérieure, un premier élément d'accrochage (51) adapté pour sa fixation à un arbre de barillet, le premier élément d'accrochage comprenant une conformation (51a, 51b) trapézoïdale ou sensiblement trapézoïdale. Barrel spring (2) comprising:- an inner end (5) and an outer end,- a first portion (50) of a first height (H), and- at the inner end, a first element of attachment (51) suitable for attachment to a barrel arbor, the first attachment element comprising a conformation (51a, 51b) trapezoidal or substantially trapezoidal.

Assembly unit that can insure the completeness of its cargo, and corresponding procedure

Mainspring

Mainspring for a mechanism driven by a motor spring, especially for a timepiece, formed from a ribbon of metallic glass material. This ribbon is monolithic and has a thickness of greater than 50 μm.

Barrel including a barrel spring and a barrel arbour

Uhr mit lichtleiternuhrenglas

Einheit, die die vollständigkeit seiner ladung versichern kann und entsprechendes verfahren

アモルファス金属合金を含む時計部品

【課題】時計分野での使用が可能で、好適な機械的特性（極めて高い破断強度）を有し、薄帯の形態に鋳造又は加工し、バネに蓄積されるエネルギー最大化の為に正確な形状に成形できる合金の提供。 【解決手段】式：Ｆｅ ａ Ｃｏ ｂ Ｎｉ ｃ Ｎｂ ｄ Ｖ ｅ Ｂ ｆ Ｔａ ｇ （０≦ａ≦７０、０≦ｂ≦７０、８＜ｃ≦６０、１≦ｄ≦１９、１≦ｅ≦１０、１２＜ｆ≦２５、０≦ｇ≦５、であり、ここで２０≦ａ＋ｂ≦７０、５０≦ａ＋ｂ＋ｃ≦９０、５≦ｄ＋ｅ≦２０、かつａ＋ｂ＋ｃ＋ｄ＋ｅ＋ｆ＋ｇ＝１００）に従うアモルファス金属合金を含む時計部品。好ましくは前記式中で０≦ａ≦６０、０≦ｂ≦６０、１０≦ｃ≦５０、２≦ｄ≦１７、２≦ｅ≦８、１４≦ｆ≦２０、０≦ｇ≦４で、２５≦ａ＋ｂ≦６５、６０≦ａ＋ｂ＋ｃ≦８０、８≦ｄ＋ｅ≦１７である時計部品。特に好ましくは４７≦ａ≦５７、１７≦ｃ≦２３、３≦ｄ≦９、４≦ｅ≦１０、１３≦ｆ≦１７かつｇ＝０である時計部品。 【選択図】なし

Composant horloger comprenant un alliage métallique amorphe

L' invention concerne un composant horloger comprenant un alliage métallique amorphe répondant à la formule: Fe a Co b Ni c Nb d V e B f Ta g, dans laquelle : 0 < a < 70; 0 < b < 70; 8 < c < 60; 1 < d < 19; 1 < e < 10; 12 < f < 25; 0 < g < 5; avec 20 < a + b < 70; 50 < a + b + c < 90; 5 < d + e < 20; et a + b + c + d + e + f + g = 100. Ce composant horloger peut être un ressort, tel qu'un ressort de barillet.

Arbre de barillet pour mouvement horloger, ressort de barillet et barillet comprenant un tel ressort et/ou un tel arbre

Ressort (2) de barillet comprenant : - une extrémité intérieure (5) et une extrémité extérieure, - une première portion (50) d'une première hauteur (H), - une deuxième portion (52) d'une deuxième hauteur (h) inférieure à la première hauteur (H) et située à proximité de l'extrémité intérieure (5), et au niveau de la deuxième portion, par exemple au niveau de l'extrémité intérieure, un premier élément d'accrochage (51) adapté pour sa fixation à l'arbre de barillet, la deuxième portion étant destinée à venir s'insérer dans une rainure s'étendant circonférentiellement et prévue sur l'arbre de barillet.

Fastening part for a hairspring

An assembly (300)includes (i) a hairspring (2) made of a paramagnetic alloy including at least one of the following elements: Nb, V, Ta, Ti, Zr and Hf, notably an alloy including the elements Nb and Zr with between 5% and 25% by mass of Zr and an interstitial doping agent includingoxygen, and least one fastening part (1; 1′), notably two parts (1; 1′), in particular a stud (1) or a collet (1′), for an end (2a; 2b) of the hairspring (2), the at least one part (1; 1′) having a first portion (10; 10′) that is designed to come into contact with the hairspring (2) and that is made of titanium or titanium alloy or of tantalum or tantalum alloy, notably grade 2 titanium or grade 5 titanium.