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WO2002037810A1 - Procede de fabrication de la partie de couverture d'un boitier pour telephones portables - Google Patents

Procede de fabrication de la partie de couverture d'un boitier pour telephones portables Download PDF

Info

Publication number
WO2002037810A1
WO2002037810A1 PCT/FI2001/000939 FI0100939W WO0237810A1 WO 2002037810 A1 WO2002037810 A1 WO 2002037810A1 FI 0100939 W FI0100939 W FI 0100939W WO 0237810 A1 WO0237810 A1 WO 0237810A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
plastic material
mobile phone
bonding agent
protective lens
Prior art date
Application number
PCT/FI2001/000939
Other languages
English (en)
Inventor
Jari Ruuttu
Filip Törnroos
Original Assignee
It Innovations Finland Oy
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 It Innovations Finland Oy filed Critical It Innovations Finland Oy
Priority to AU2002212386A priority Critical patent/AU2002212386A1/en
Priority to EP01980572A priority patent/EP1338135A1/fr
Publication of WO2002037810A1 publication Critical patent/WO2002037810A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • This invention relates to a method for manufacturing a cover for a mobile phone, in which a protective display lens is fastened to the front cover.
  • the protective display lens of a mobile phone is usually fastened by means of a double adhesive tape fitted between the lens and the cover, or by a glue layer.
  • a sealing frame is fastened inside the cover with adhesive tape to seal the display in the mobile phone cover.
  • the fastening of the mobile phone lens and the sealing of the display require two adhesive surfaces and a sealing frame.
  • the solution of the invention is intended to replace the adhesive surfaces and the sealing frame with one single material solution.
  • the method of the invention is characterised by the protective lens being fastened to the cover by means of a soft and elastic bonding agent, such as TPE (thermoplastic elastomer) plastic so that the substance simultaneously forms a sealing surface between the cover and the display. Owing to the invention, the adhesive surfaces and the sealing frame are thus replaced with one single substance and a fastening reat- ment of the lens.
  • a soft and elastic bonding agent such as TPE (thermoplastic elastomer) plastic
  • a preferred embodiment of the invention is characterised by the fact that, while the plastic material is being positioned into contact with the cover, an annular sealing is fitted in the cover, at the earphone, the sealing being made of the same plastic material as the bonding agent of the protective lens.
  • a second embodiment of the invention is characterised by the fact that an annular sealing made of the same plastic material as the bonding agent of the protective lens is fitted in the cover at the microphone.
  • a third embodiment of the invention is characterised by the fact that the keyboard of the mobile phone is made of the same plastic material as the bonding agent of the protective lens, so that the keyboard is formed of elastic keys tightly fitted into the holes in the keyboard.
  • figure 1 shows the fastening of a lens known per se and the sealing of a display in a mobile phone cover
  • figure 2 shows a lens fastened to a mobile phone cover with the method of the invention for manufacturing a mobile phone cover
  • figure 3 is a cross-sectional view of a couple of keys in a mobile phone key- board known per se
  • figure 4 shows a key fastened to a mobile phone cover with the manufacturing method of the invention
  • figure 5 shows the solution for sealing an earphone or a microphone in a mobile phone cover.
  • the protective lens 1 of the mobile phone is fastened to the cover 2 with a soft and elastic TPE plastic material 3 so that the material simultaneously forms a sealing surface between the cover 2 and the display 5.
  • An annular seal 7 made of the same plastic material as the bonding agent of the protective lens is fitted in the cover at the earphone 6, and if necessary, also at the microphone, at the same time as the plastic material 3 is fitted into contact with the cover.
  • Figure 4 shows a key 8 made of the same plastic material as the bonding agent of the protective lens in the mobile phone keyboard.
  • a sealing joint also made of the same plastic material is further formed at the edge of the cover 2, a waterproof and dustproof mobile phone is achieved. All of the TPE plastic materials mentioned above can be fastened to the cover 3 in one and the same process step. The costs for manufacturing the front cover of the mobile phone are notable reduced compared to prior art manufacturing costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

Procédé de fabrication de la partie de couverture (2) d'un boîtier pour téléphones portables selon lequel un verre de protection (1) destiné à l'afficheur (5) est fixé à la partie de couverture de boîtier à l'aide d'un liant (3) mou et élastique tel que de la matière élastomère thermoplastique, cette matière formant en même temps une surface d'étanchéification (4) entre la partie de couverture (2) et l'afficheur (5).
PCT/FI2001/000939 2000-10-30 2001-10-29 Procede de fabrication de la partie de couverture d'un boitier pour telephones portables WO2002037810A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002212386A AU2002212386A1 (en) 2000-10-30 2001-10-29 Method for manufacturing a cover for mobile phones
EP01980572A EP1338135A1 (fr) 2000-10-30 2001-10-29 Procede de fabrication de la partie de couverture d'un boitier pour telephones portables

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002388 2000-10-30
FI20002388A FI111116B (fi) 2000-10-30 2000-10-30 Matkapuhelimen kuoren valmistusmenetelmä

Publications (1)

Publication Number Publication Date
WO2002037810A1 true WO2002037810A1 (fr) 2002-05-10

Family

ID=8559401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2001/000939 WO2002037810A1 (fr) 2000-10-30 2001-10-29 Procede de fabrication de la partie de couverture d'un boitier pour telephones portables

Country Status (4)

Country Link
EP (1) EP1338135A1 (fr)
AU (1) AU2002212386A1 (fr)
FI (1) FI111116B (fr)
WO (1) WO2002037810A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008075139A1 (fr) * 2006-12-21 2008-06-26 Nokia Corporation Montage de composants dans des dispositifs électroniques
WO2016194323A1 (fr) * 2015-05-29 2016-12-08 シャープ株式会社 Appareil électronique et son procédé de fabrication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997041677A1 (fr) * 1996-04-03 1997-11-06 Ericsson Inc. Clavier numerique tactile pour ecran tactile
WO1999040769A1 (fr) * 1998-02-09 1999-08-12 Helmut Kahl Boitier
US5974655A (en) * 1995-11-03 1999-11-02 Telefonaktiebolaget Lm Ericsson Method of mounting loudspeakers and a loudspeaker mounting
EP1030498A2 (fr) * 1999-02-17 2000-08-23 Nokia Mobile Phones Ltd. Construction mécanique et méthode d'assemblage pour un appareil de télécommunication mobile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5974655A (en) * 1995-11-03 1999-11-02 Telefonaktiebolaget Lm Ericsson Method of mounting loudspeakers and a loudspeaker mounting
WO1997041677A1 (fr) * 1996-04-03 1997-11-06 Ericsson Inc. Clavier numerique tactile pour ecran tactile
WO1999040769A1 (fr) * 1998-02-09 1999-08-12 Helmut Kahl Boitier
EP1030498A2 (fr) * 1999-02-17 2000-08-23 Nokia Mobile Phones Ltd. Construction mécanique et méthode d'assemblage pour un appareil de télécommunication mobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008075139A1 (fr) * 2006-12-21 2008-06-26 Nokia Corporation Montage de composants dans des dispositifs électroniques
US9294600B2 (en) 2006-12-21 2016-03-22 Nokia Corporation Mounting components in electronic devices
WO2016194323A1 (fr) * 2015-05-29 2016-12-08 シャープ株式会社 Appareil électronique et son procédé de fabrication
JPWO2016194323A1 (ja) * 2015-05-29 2017-10-26 シャープ株式会社 電子機器及びその製造方法

Also Published As

Publication number Publication date
FI111116B (fi) 2003-05-30
FI20002388A0 (fi) 2000-10-30
FI20002388L (fi) 2002-05-01
EP1338135A1 (fr) 2003-08-27
AU2002212386A1 (en) 2002-05-15

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