EP4393344B1 - Armband und verfahren zur herstellung eines solchen armbands - Google Patents

Armband und verfahren zur herstellung eines solchen armbands

Info

Publication number
EP4393344B1
EP4393344B1 EP22216777.7A EP22216777A EP4393344B1 EP 4393344 B1 EP4393344 B1 EP 4393344B1 EP 22216777 A EP22216777 A EP 22216777A EP 4393344 B1 EP4393344 B1 EP 4393344B1
Authority
EP
European Patent Office
Prior art keywords
bracelet
intermediate layer
strip
change material
lower strip
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.)
Active
Application number
EP22216777.7A
Other languages
English (en)
French (fr)
Other versions
EP4393344A1 (de
Inventor
Nicolas François
Sophie NAPOLI
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP22216777.7A priority Critical patent/EP4393344B1/de
Priority to JP2023183715A priority patent/JP7698684B2/ja
Priority to US18/515,389 priority patent/US12575650B2/en
Priority to CN202311680912.3A priority patent/CN118252305A/zh
Publication of EP4393344A1 publication Critical patent/EP4393344A1/de
Application granted granted Critical
Publication of EP4393344B1 publication Critical patent/EP4393344B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A44C5/0053—Flexible straps
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A44C27/001—Materials for manufacturing jewellery

Definitions

  • watch straps are made of leather, synthetic material, fabric, rubber, or metal. Straps also include an insert placed in a lining or sheath or between an upper and lower band that are then joined together. This insert has a primarily mechanical and flexible function.
  • the bracelet has a top, which is only edged on the sides of the bracelet to be of the semi-edge type.
  • the production of the semi-edge or machine-edge bracelet is done using a mold and a platen press.
  • Some bracelets have been made by combining these materials, such as elastomer, with typical high-end leathers in order to improve the durability of these bracelets without changing their appearance when the watch is worn.
  • the invention aims to provide a bracelet comprising a functional and comfortable insert, as well as a method for manufacturing such bracelets having a combination of materials intimately linked together and allowing a multitude of customizations.
  • An advantage of a bracelet according to the invention lies in the fact that the insert has a sufficiently reduced thickness so as to be able to replace a traditional reinforcement insert without increasing the traditional thickness of such a bracelet while providing additional functions.
  • the invention also relates to a method for producing the bracelet, which includes the characteristics defined in independent claim 7.
  • the upper part of the bracelet is defined as the part of the bracelet facing outwards and which is visible to the wearer when the bracelet is worn.
  • the lower part of the bracelet is defined as the part of the bracelet facing inwards and which is in contact with the wearer when the bracelet is worn.
  • the transition temperature is, in an unclaimed example, between 25°C and 30°C. Once this temperature is reached, the phase change material will absorb heat from the wearer and give the wearer a feeling of cooling.
  • the intermediate layer 4 is glued to the upper 2 and lower 3 strips so that the intermediate layer 4 no longer moves once the bracelet is assembled.
  • the upper band 2 and the lower band 3 are made of one or more materials chosen from the group comprising leathers, natural or synthetic textiles, elastomers, elastomer composites comprising metallic and/or ceramic fillers, silicone materials. A combination of these materials is also possible depending on the wearer's wishes.
  • the elastomer can be chosen from fluorinated elastomers such as those from the FKM family (crosslinkable fluoro or perfluoropolyalkylene) or thermoplastic elastomers such as TPU (Polyurethanes), EVA (Ethylene vinyl acetate copolymer), silicones, EPR (ethylene propylene rubber) and their thermoplastic derivatives (TPO) or from the acrylic elastomer family.
  • the chosen elastomer also has the advantage of being relatively flexible to be able to adapt to the curvature of the wrist when the bracelet is worn.
  • the intermediate layer 4 has a sufficiently reduced thickness so as to be able to replace a traditional reinforcement insert without increasing the traditional thickness of such a bracelet while providing an additional effect.
  • phase change material is encapsulated in a shell of silicone or thermoplastic elastomer based material, which allows the intermediate layer 4 to be easily bonded to the upper 2 and lower 3 strips.
  • the flexible intermediate layer 4 is formed by a pocket in which a liquid such as a mineral or vegetable oil and microcapsules of a phase change material rest.
  • the flexible intermediate layer 4 is formed by two encapsulated phase change materials, a first encapsulated phase change material having a transition temperature between 15°C and 20°C, and a second encapsulated phase change material having a transition temperature between 25°C and 35°C.
  • a first encapsulated phase change material having a transition temperature between 15°C and 20°C
  • a second encapsulated phase change material having a transition temperature between 25°C and 35°C.
  • the upper strip 2 on the lower strip 3 are secured to each other, for example by gluing, by stitching or by being welded to each other.
  • the two bands 2, 3 and the intermediate layer 4 are closely linked together, which ensures a good level of robustness and excellent durability over time of the bracelet thus manufactured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Adornments (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Claims (7)

  1. Armband (1) mit einem oberen Band (2) und einem unteren Band (3), die gemeinsam mindestens einen Abschnitt des Armbands bilden, wobei das Armband eine weiche Zwischenschicht (4) umfasst, die zwischen dem oberen Band (2) und dem unteren Band (3) angeordnet ist, dadurch gekennzeichnet, dass die weiche Zwischenschicht (4) aus zwei eingekapselten Phasenwechselmaterialien besteht, wobei ein erstes eringekapseltes Phasenwechselmaterial eine Übergangstemperatur zwischen 15 °C und 20 °C und ein zweites eingekapseltes Phasenwechselmaterial eine Übergangstemperatur zwischen 25 °C und 35 °C aufweist.
  2. Armband nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Phasenwechselmaterialien ausgewählt sind aus: paraffinischen Kohlenwasserstoffen, halogenierten Kohlenwasserstoffen, Wachsen, Ölen, hydratisierten Salzen, Fettsäuren, Fettsäureestern, dibasischen Säuren, dibasischen Estern, 1-Halogeniden, Polymeren und deren Mischungen.
  3. Armband nach Anspruch 2, dadurch gekennzeichnet, dass das untere Band (3) Mikroperforationen aufweist.
  4. Armband nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das obere Band (2) und das untere Band (3) aus Elastomer-Verbundwerkstoffen bestehen, die metallische und/oder keramische Füllstoffe enthalten.
  5. Armband nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenschicht (4) aus eingekapseltem Phasenwechselmaterial Öffnungen für das Durchführen von Befestigungsmitteln aufweist.
  6. Armband nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das obere Band (2) aus einem oder mehreren Materialien hergestellt ist, die aus der Gruppe bestehend aus Leder, natürlichen oder synthetischen Textilien, Elastomeren oder Silikonwerkstoffen ausgewählt sind.
  7. Verfahren zur Herstellung eines Armbands nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass es folgende Schritte umfasst:
    - Herstellen einer weichen Zwischenschicht (4), die aus zwei verkapselten Phasenwechselmaterialien besteht und der gewünschten Endform des Armbands entspricht,
    - Bereitstellen eines oberen Bands (2) und eines unteren Bands (3),
    - Verkleben der Zwischenschicht (4) mit dem unteren Band (3), und
    - Verbinden des oberen Bands (2) mit dem unteren Band (3) und der Zwischenschicht (4), um das Armband zu bilden.
EP22216777.7A 2022-12-27 2022-12-27 Armband und verfahren zur herstellung eines solchen armbands Active EP4393344B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP22216777.7A EP4393344B1 (de) 2022-12-27 2022-12-27 Armband und verfahren zur herstellung eines solchen armbands
JP2023183715A JP7698684B2 (ja) 2022-12-27 2023-10-26 ブレスレット及びその製造方法
US18/515,389 US12575650B2 (en) 2022-12-27 2023-11-21 Bracelet and method for manufacturing such a bracelet
CN202311680912.3A CN118252305A (zh) 2022-12-27 2023-12-08 腕带和用于制造这种腕带的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22216777.7A EP4393344B1 (de) 2022-12-27 2022-12-27 Armband und verfahren zur herstellung eines solchen armbands

Publications (2)

Publication Number Publication Date
EP4393344A1 EP4393344A1 (de) 2024-07-03
EP4393344B1 true EP4393344B1 (de) 2025-08-20

Family

ID=84604135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22216777.7A Active EP4393344B1 (de) 2022-12-27 2022-12-27 Armband und verfahren zur herstellung eines solchen armbands

Country Status (4)

Country Link
US (1) US12575650B2 (de)
EP (1) EP4393344B1 (de)
JP (1) JP7698684B2 (de)
CN (1) CN118252305A (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI287996B (en) * 2005-10-19 2007-10-11 Taiwan Textile Res Inst Temperature regulating gel and article comprising the same
JP6054814B2 (ja) * 2013-06-14 2016-12-27 Ｊｘエネルギー株式会社 パラフィン系潜熱蓄熱材組成物およびパラフィン系組成物の潜熱蓄熱材としての使用
EP3178344A1 (de) * 2015-12-09 2017-06-14 The Swatch Group Research and Development Ltd. Bekleidungselement in variablen farben
US11946479B2 (en) * 2018-01-29 2024-04-02 Rachel Schwimmer Wearable cooling device
FR3093398B1 (fr) * 2019-03-01 2021-03-12 Remedee Labs bracelet comprenant une source de chaleur
CN213820105U (zh) * 2020-11-25 2021-07-30 邵阳博瑞钟表制造有限公司 一种可加热手表
US20220273177A1 (en) * 2021-02-26 2022-09-01 Elmer Tolentino COVID Thermal Wristband

Also Published As

Publication number Publication date
JP7698684B2 (ja) 2025-06-25
US20240206600A1 (en) 2024-06-27
CN118252305A (zh) 2024-06-28
JP2024094230A (ja) 2024-07-09
EP4393344A1 (de) 2024-07-03
US12575650B2 (en) 2026-03-17

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