PT85038B - 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 Download PDFInfo
- Publication number
- PT85038B PT85038B PT85038A PT8503887A PT85038B PT 85038 B PT85038 B PT 85038B PT 85038 A PT85038 A PT 85038A PT 8503887 A PT8503887 A PT 8503887A PT 85038 B PT85038 B PT 85038B
- Authority
- PT
- Portugal
- Prior art keywords
- synthetic material
- manufacture
- laser
- material capable
- preparation
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229920002994 synthetic fiber Polymers 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 15
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 7
- 239000004417 polycarbonate Substances 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims abstract description 6
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 238000007639 printing Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000001746 injection moulding Methods 0.000 claims abstract description 3
- 238000002360 preparation method Methods 0.000 claims description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 229940106691 bisphenol a Drugs 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 2
- 238000010348 incorporation Methods 0.000 claims 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract 5
- 229920003023 plastic Polymers 0.000 abstract 5
- 238000010147 laser engraving Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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)
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 PT85038A (pt) | 1988-07-01 |
| PT85038B true 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 (enExample) |
| DE (2) | DE3619670A1 (enExample) |
| PT (1) | PT85038B (enExample) |
Families Citing this family (3)
| 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 |
| WO2002041325A1 (en) | 2000-11-14 | 2002-05-23 | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE661850A (enExample) * | 1964-04-01 | 1965-09-30 | ||
| JPS5027061B1 (enExample) * | 1971-03-08 | 1975-09-04 | ||
| GB1538632A (en) * | 1976-06-30 | 1979-01-24 | Sumitomo Chemical Co | Polyester resin composition |
| 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 |
-
1986
- 1986-06-11 DE DE19863619670 patent/DE3619670A1/de active Granted
-
1987
- 1987-05-25 EP EP87107615A patent/EP0249082B1/de not_active Expired - Lifetime
- 1987-05-25 DE DE87107615T patent/DE3787318D1/de not_active Expired - Fee Related
- 1987-06-08 PT PT85038A patent/PT85038B/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3787318D1 (de) | 1993-10-14 |
| EP0249082B1 (de) | 1993-09-08 |
| DE3619670C2 (enExample) | 1989-06-08 |
| EP0249082A2 (de) | 1987-12-16 |
| EP0249082A3 (en) | 1988-04-06 |
| DE3619670A1 (de) | 1987-12-17 |
| PT85038A (pt) | 1988-07-01 |
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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 |