EP1933213A1 - Boîtier de montre étanche à l'eau avec GPS et procédé de fabrication de celui-ci - Google Patents

Boîtier de montre étanche à l'eau avec GPS et procédé de fabrication de celui-ci Download PDF

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Publication number
EP1933213A1
EP1933213A1 EP06025624A EP06025624A EP1933213A1 EP 1933213 A1 EP1933213 A1 EP 1933213A1 EP 06025624 A EP06025624 A EP 06025624A EP 06025624 A EP06025624 A EP 06025624A EP 1933213 A1 EP1933213 A1 EP 1933213A1
Authority
EP
European Patent Office
Prior art keywords
case
water
bottom lid
proof
gps
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.)
Withdrawn
Application number
EP06025624A
Other languages
German (de)
English (en)
Inventor
Ming-Lung Yeh
Ming-Jian Su
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.)
Globalsat Tech Corp
Original Assignee
Globalsat Tech Corp
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 Globalsat Tech Corp filed Critical Globalsat Tech Corp
Priority to EP06025624A priority Critical patent/EP1933213A1/fr
Publication of EP1933213A1 publication Critical patent/EP1933213A1/fr
Withdrawn legal-status Critical Current

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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
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/225—Non-metallic cases
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings

Definitions

  • the present invention is related to a water-proof watch case with global positioning system (GPS) and a method for manufacturing the same. More particularly, to such a watch case comprised of two different plastic materials with different properties to achieve the water-proof effect and also increase the production throughput of the same.
  • GPS global positioning system
  • Watches are available in a variety of designs. Generally, the shapes of the watch are usually round, oval, square and rectangle.
  • the materials of the watch case generally include plastic, aluminum alloy, copper alloy and stainless steel, and may be manufactured by using conventional methods such as plastic injection molding, zinc-aluminum alloy casting, plate flushing and pressing and so on.
  • the flushing and pressing method can not produce the complex structure and meet special requirements such as square blind, complicated pattern or indented/protruded letters on the case, and so on. It is interesting to note that it is possible to manufacture more varieties of watch case by plastic injection molding process and also suitable for mass production. Thus, the manufacturing cost can be reduced.
  • the plastic watch comprises a case, movement components and a bottom lid.
  • the movement components are embedded into the conjunction between the case and the bottom lid.
  • a set of embedded elements and a water-proof gasket are used to secure and seal the conjunction between the bottom lid and the case to prevent the water entering into the case from the conjunction.
  • the case has a least one space formed at an outer rim thereof, and at least one button is positioned on the space.
  • a lens is embedded on the case.
  • watches include GPS (global position system) inside the case.
  • the watches also include structures, for example a set of embedded elements (a groove and a rib) for jointing the bottom lid to the case and a water-proof gasket disposed between the bottom lid and the case to tightly seal the bottom lid and the case for providing better water-proof effect.
  • the case and the bottom lid are made of hard plastic materials, and a set of embedded elements (a groove of the bottom lid and a rib of the case) is formed between the bottom lid and the case.
  • an adhesive may be manually injected into the groove of the bottom lid, and then the water-proof gasket made of soft plastic material is embedded into the groove of the bottom lid.
  • glue is applied at a conjunction between the bottom lid and the case.
  • the buttons made of the soft plastic material disposed is also manually embedded into a space formed at an outer rim of the case, and glue is applied at the conjunction.
  • another conventional method of manufacturing plastic watch case includes no water-proof gasket, and only glue is applied at the conjunction between the case and the bottom lid after jointing the bottom lid to the case.
  • the process of embedding and applying glue manually could be affected due to the operation quality (for example, physical and psychological problems), and may lead to inaccuracy, low production yield and the manual process is more complex. Besides, drying of the glue takes time, so the process time is prolonged. Furthermore, when repairing the watch, the bottom lid has to be disassembled from the case for opening the case. In doing so, the water-proof effect of the watch will be adversely affected.
  • a method for manufacturing a water-proof watch with GPS includes injecting two different plastic materials, for example, a hard plastic material and a soft plastic material, into a mold to form a case, a bottom lid, a water-proof gasket and at least one button. Because the properties of the two different plastic materials, the case, the bottom lid, the water-proof gasket and the button have the water-proof effect.
  • the method of the present invention can effectively eliminate the need for manually embedding the water-proof gasket and the button into a conjunction between the bottom lid and the case and an outer rim of the case. Accordingly, the time required to adhere the components, as in the case of the prior art, may be effectively saved, and the throughput can be effectively increased. Thus, when the case is opened for repairing the watch, the water-proof gasket will not get damaged.
  • the method of the present invention described above is capable of manufacturing a variety of types of cases of the watch with water-proof capability.
  • the watch comprises GPS (global positioning system).
  • a watch 1 of the present invention is shown comprised of a case 11, movement components 12, a GPS module 121 and a bottom lid 13.
  • the movement components 12 and the GPS module 121 are embedded and secured at a bottom of the case 11 by using first securing elements 131 (for instance, threaded portions) of the bottom lid 13 and second securing elements 14 (for instance, screws) to prevent water entering into the case 11 from a conjunction between the case 11 and the bottom lid 13.
  • first securing elements 131 for instance, threaded portions
  • second securing elements 14 for instance, screws
  • the water-proof gasket 15 is directly adhered on a groove 132 of the bottom lid 13 (as shown in Fig. 5 ), and a rib 111 of the case 11 can be embedded into a groove 151 of the gasket 15 (as shown in Fig. 5 ).
  • the rib 111 of the case 11, which is comprised of a hard plastic material, and the groove 151 of the gasket 15, which is comprised of a soft plastic material, can effectively seal the conjunction between the bottom lid 13 and the case 11 to achieve watch-proof effect.
  • an outer rim of the case 11 has at least one space 112, which is comprised of a hard plastic material, for embedding at least one button 113, which is comprised of a soft plastic material, to achieve water-proof effect (as shown in Fig. 2 ). Furthermore, the case 11 has a lens 16 embedded therein. Finally, the bottom lip 13 is secured to the case 11 by screwing the second securing elements 14 (for instance, the screws) to the first securing elements 131 (for instance, the threaded portions). Thus, the assembly of the watch 1 with GPS of the present invention is completed (as shown in Fig. 6 ).
  • a GPS portion 114 corresponding to the GPS module 121 is mounted on the case 11, and the case 11 has two connecting portions 115 extending from two sides thereof.
  • the connecting portions 115 each are connected to a watchband 17 that may be used by a user to wear the watch on the wrist.
  • the round shape of the case 11 of the watch 1 is simple examples of the present invention, not a limitation.
  • the water-proof watch with GPS and the method of manufacturing the same are more advantageous than the conventional art.
  • the water-proof gasket 15 and the buttons 113 don't need to be manually embedded and glued into the conjunction between the bottom lid 13 and the case 11 and the outer rim of the case 11, and therefore, not only the time is being saved but also low yield and defects due to manual operation may be effectively avoided.
  • the present invention also uses the properties of the two different materials (the hard and soft plastic materials) to seal to effectively achieve water-proof effect and also uses the plastic injection molding process to increase the manufacturing efficiency.
  • first securing elements 131 for instance, the threading portions
  • second securing elements 14 for instance, the screws

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
EP06025624A 2006-12-11 2006-12-11 Boîtier de montre étanche à l'eau avec GPS et procédé de fabrication de celui-ci Withdrawn EP1933213A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06025624A EP1933213A1 (fr) 2006-12-11 2006-12-11 Boîtier de montre étanche à l'eau avec GPS et procédé de fabrication de celui-ci

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06025624A EP1933213A1 (fr) 2006-12-11 2006-12-11 Boîtier de montre étanche à l'eau avec GPS et procédé de fabrication de celui-ci

Publications (1)

Publication Number Publication Date
EP1933213A1 true EP1933213A1 (fr) 2008-06-18

Family

ID=38008232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06025624A Withdrawn EP1933213A1 (fr) 2006-12-11 2006-12-11 Boîtier de montre étanche à l'eau avec GPS et procédé de fabrication de celui-ci

Country Status (1)

Country Link
EP (1) EP1933213A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136515A (en) * 1977-01-03 1979-01-30 Timex Corporation Sealed watch case and method of making
US4178751A (en) * 1977-03-09 1979-12-18 Liautaud James P Integrally molded watch casing and band
EP0374711A1 (fr) * 1988-12-21 1990-06-27 Eta SA Fabriques d'Ebauches Procédé de fabrication d'une boîte de montre comportant deux composants collés l'un à l'autre et procédé de montage d'une montre comprenant cette boîte
EP0982639A2 (fr) * 1998-08-27 2000-03-01 Casio Computer Co., Ltd. Instrument-bracelet et appareil électronique
US6346208B1 (en) * 1996-05-17 2002-02-12 Smh Management Services Ag Method for manufacturing an assembly comprising a hard plastic watch case and at least one push button

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136515A (en) * 1977-01-03 1979-01-30 Timex Corporation Sealed watch case and method of making
US4178751A (en) * 1977-03-09 1979-12-18 Liautaud James P Integrally molded watch casing and band
EP0374711A1 (fr) * 1988-12-21 1990-06-27 Eta SA Fabriques d'Ebauches Procédé de fabrication d'une boîte de montre comportant deux composants collés l'un à l'autre et procédé de montage d'une montre comprenant cette boîte
US6346208B1 (en) * 1996-05-17 2002-02-12 Smh Management Services Ag Method for manufacturing an assembly comprising a hard plastic watch case and at least one push button
EP0982639A2 (fr) * 1998-08-27 2000-03-01 Casio Computer Co., Ltd. Instrument-bracelet et appareil électronique

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