PT85038A - Processo para a preparacao de um material sintetico para o fabrico de coberturas de teclas de teclados em especial para a tecnica de dados - Google Patents

Processo para a preparacao de um material sintetico para o fabrico de coberturas de teclas de teclados em especial para a tecnica de dados

Info

Publication number
PT85038A
PT85038A PT85038A PT8503887A PT85038A PT 85038 A PT85038 A PT 85038A PT 85038 A PT85038 A PT 85038A PT 8503887 A PT8503887 A PT 8503887A PT 85038 A PT85038 A PT 85038A
Authority
PT
Portugal
Prior art keywords
coverings
preparing
manufacture
synthetic material
keyboard key
Prior art date
Application number
PT85038A
Other languages
English (en)
Other versions
PT85038B (pt
Inventor
Konrad Sailer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of PT85038A publication Critical patent/PT85038A/pt
Publication of PT85038B publication Critical patent/PT85038B/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267—Marking of plastic artifacts, e.g. with laser
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
PT85038A 1986-06-11 1987-06-08 Processo para a preparacao de um material sintetico para o fabrico de coberturas de teclas de teclados em especial para a tecnica de dados PT85038B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863619670 DE3619670A1 (de) 1986-06-11 1986-06-11 Kunststoff zur herstellung von tastenkappen von tastaturen insbesondere fuer die datentechnik

Publications (2)

Publication Number Publication Date
PT85038A true PT85038A (pt) 1988-07-01
PT85038B PT85038B (pt) 1993-08-31

Family

ID=6302796

Family Applications (1)

Application Number Title Priority Date Filing Date
PT85038A PT85038B (pt) 1986-06-11 1987-06-08 Processo para a preparacao de um material sintetico para o fabrico de coberturas de teclas de teclados em especial para a tecnica de dados

Country Status (3)

Country Link
EP (1) EP0249082B1 (pt)
DE (2) DE3619670A1 (pt)
PT (1) PT85038B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536047A1 (de) * 1995-09-28 1997-04-10 Bayer Ag Verwendung von Polycarbonat in Polyalkylenterephthalat-Formmassen zur Laserbeschriftung
US7008989B2 (en) 2000-11-14 2006-03-07 Coltec Industrial Products, Inc. Abrasion-resistant polytetrafluoroethylene tape
ITMI20042454A1 (it) * 2004-12-22 2005-03-22 Guizzardi Maria Morena Metodo per la marchiatura di tappi sintetici dispositivo per realizzare detto metodo e tappo sintetico

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE661850A (pt) * 1964-04-01 1965-09-30
JPS5027061B1 (pt) * 1971-03-08 1975-09-04
FR2356697A1 (fr) * 1976-06-30 1978-01-27 Sumitomo Chemical Co Composition de resine de polyester renfermant un polycarbonate et un polyester aromatique
JPS5356251A (en) * 1976-11-02 1978-05-22 Sumitomo Chem Co Ltd Prevention of devitrifiction of aromatic polyester
GB2120169B (en) * 1982-05-12 1985-10-23 David Durand Method of applying a dye image to a plastic member and the image bearing member thereby formed
DE3247927A1 (de) * 1982-12-24 1984-06-28 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung aromatischer polyestercarbonate
DD231161A1 (de) * 1984-09-25 1985-12-18 Univ Schiller Jena Verfahren zur beschriftung und kennzeichnung von plast- und elastwerkstoffen mittels laserstrahlung

Also Published As

Publication number Publication date
EP0249082A3 (en) 1988-04-06
EP0249082B1 (de) 1993-09-08
DE3619670A1 (de) 1987-12-17
PT85038B (pt) 1993-08-31
DE3787318D1 (de) 1993-10-14
EP0249082A2 (de) 1987-12-16
DE3619670C2 (pt) 1989-06-08

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930210

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19960831