EP1384523B1 - Kontinuierliche chromatfreie Rohrbeschichtung durch Wirbelsintern - Google Patents
Kontinuierliche chromatfreie Rohrbeschichtung durch Wirbelsintern Download PDFInfo
- Publication number
- EP1384523B1 EP1384523B1 EP03012962A EP03012962A EP1384523B1 EP 1384523 B1 EP1384523 B1 EP 1384523B1 EP 03012962 A EP03012962 A EP 03012962A EP 03012962 A EP03012962 A EP 03012962A EP 1384523 B1 EP1384523 B1 EP 1384523B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- coating
- induction coil
- process according
- primer
- 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.)
- Expired - Lifetime
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 28
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 title description 3
- 230000006698 induction Effects 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract 5
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920000299 Nylon 12 Polymers 0.000 claims description 5
- 239000002318 adhesion promoter Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 229920000571 Nylon 11 Polymers 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims 2
- 230000001464 adherent effect Effects 0.000 claims 2
- 230000006735 deficit Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000005245 sintering Methods 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000007767 bonding agent Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000009499 grossing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003260 vortexing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
- B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
- B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
- B05D1/24—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2254/00—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
- B05D3/0245—Pretreatment, e.g. heating the substrate with induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0281—After-treatment with induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0426—Cooling with air
Definitions
- the object of the invention was to provide a novel process, which is the continuous chrome-free tube coating possible.
- Process for the continuous coating of Pipes are already known.
- Page 21-24 describes a process by which pipes with PVC by vortex sintering
- it does not focus on good adhesion and homogeneity Layer thickness distributions received. It can not be the essential Meet the requirements of the automotive industry.
- the tubes are each heated by medium frequency induction. Approximate formulas for the Demand for electrical energy, the coating performance of such a system and the Powder requirements are specified.
- Suitable coating agents vortexable, meltable polymers or mixtures thereof.
- Particularly suitable are polyamide powders, in particular based on polyamide 11 and polyamide 12.
- polyamide powders in particular based on polyamide 11 and polyamide 12.
- In this case can be powder manufactured according to DE 29 06 647 (Hüls AG), with the trade name VESTOSINT (Degussa AG) process particularly well, since they are a special due to the production in the precipitation process reach round grain shape.
- On the pipe surface is first a commercial Applied adhesion promoter.
- Suitable as primers are all common types for polymers, especially those for polyamides. They can be used in solution, suspension or Powder form can be applied. Especially suitable for VESTOSINT are the specially designed VESTOSINT coordinated bonding agent. If a solvent-containing adhesion promoter with used a solids content of about 8%, so is the layer thickness of the flashed primer between 5 and 8 ⁇ m. With the method according to the invention can be uniform Achieve layer thicknesses of 50 to 1 000 microns. Preference is given to layer thicknesses of 50 to 300 ⁇ m, whereby fluctuations of ⁇ 30% are achieved with the method according to the invention can. On the pipe surface is first a commercial adhesion promoter (e.g. VESTOSINT bonding agent WS 5) applied. The layer thickness of the flashed primer typically is between 5 and 8 microns. Will be a solventborne primer used, this usually has a solids content of about 8%.
- VESTOSINT bonding agent WS 5 commercial adhesion promoter
- the tubes produced by the method according to the invention are particularly suitable as Hydraulic and brake lines for e.g. the automotive industry.
- the medium frequency induction heating was chosen because it was a continuous process is convenient to regulate and also very quick heating method, in which the Another advantage is that the induction coil, which heats the continuous pipe, directly in can be arranged swirling powder and thereby enter no heat loss. at 10,000 Hz and a tube wall thickness of 2 mm, the heating takes place at 300 ° C for 1 s. at smaller frequencies, the heating is even because of the greater penetration depth faster at 2 000 Hz, the time would be only 0.73 s for the same conditions.
- the induction coil is designed as a tube spiral and is flowed through by cooling water; she stays cold as well as the powder.
- the generator system consists of the machine generator, which generates the high frequency, the control cabinet with control panel, the capacitor bank and the induction coil.
- the flow rate (feed) of the tubes depends on the tube diameter and wall thickness, ie the weight of the tube per unit length, as well as on the generator output.
- the pipe coating plant (Fig. 01) consists of:
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Treatment Of Metals (AREA)
- General Induction Heating (AREA)
Description
- Chemikalienbeständigkeit:
- nach TL 222 Punkt 5; keine Blasenbildung oder Erweichen der Kunststoffschicht aufgetreten Nach 24-stündigem Ablüften und anschließendem Wickeln um einen Dorn (360°) von 16 mm keine sichtbaren Risse oder folienartige Ablösungen des PA-Überzuges aufgetreten
- 1
- Reinigungsanlage
- 2
- Antrieb 1
- 3
- Primerstation
- 4
- Induktion 1 (Spule I - Primertrocknung)
- 5
- Induktion 2 (Spule V - Primertrocknung)
- 6
- Radiallüfter 1
- 7
- Radiallüfter 2
- 8
- Antrieb 2
- 9
- Induktion 3 (Vorwärmung)
- 10
- Auflagerolle 1
- 11
- Wirbelsinterbecken inkl. Induktion 4
- 12
- Induktion (Glättung)
- 13
- ROHR
- 14
- Abblasdüse
- 15
- Auflagerolle 2
- 16
- Wasserbecken
- 17
- Auflagerolle 3
- 18
- Auflagerolle 4
- 19
- Antrieb 4
- 20
- Antrieb 5 (Raupenabzug)
- 21
- Hacker
Claims (11)
- Verfahren zur chromatfreien Außenbeschichtung von Rohren durch Wirbelsintern mit Hilfe von pulverförmigen, schmelzbaren Polymeren als Beschichtungsmittel, wobei man:1) in einer Vorbehandlungsanlage die Rohre reinigt,2) einen Primer auf das Rohr aufbringt,3) mit einer Mittelfrequenz-Induktionsspule den Primer einbrennt und bei Einsatz eines lösemittelhaltigen Primers das Lösemittel verdampft,4) einen Radiallüfter zum schnelleren Abführen des verdampften Lösemittels einsetzt,5) eine Mittelfrequenz-Induktionsspule zur Vorwärmung des Rohres verwendet,6) mit einem Wirbelsinterbecken mit ggf. integrierter Mittelfrequenz-Induktionsspule eine Beschichtung aufbringt,7) durch Einbauten im Wirbelsinterbecken, bestehend aus Luftdusche oberhalb des Rohres Pulveranhäufungen vermeidet und den Strömungsleitblechen unterhalb des Rohres Pulvermangel und dadurch resultierend Poren an der Unterseite des Rohres vermeidet,8) ggf. mit einer Mittelfrequenz-Induktionsspule die nicht komplett aufgeschmolzene Beschichtung glättet,9) auf einer Schmelzstrecke den anhaftenden Beschichtungsbelag durchschmelzt und glattschmelzt,10) mit einer Luftdusche die Rohroberfläche vorab abkühlt,11) durch Wasserkühlung die Beschichtung weiter abkühlt und erhärtet.
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Induktionsspulen unter den Punkten 6 und 8 in Abhängigkeit der Schichtdicke der Beschichtung wie folgt eingesetzt werden:
Einsatz der Induktionsspule 8,
oder Einsatz der Induktionsspule 6
oder Einsatz der Induktionsspulen 6 und 8. - Verfahren zur chromatfreien Außenbeschichten von Rohren durch Wirbelsintern mit Hilfe von pulverförmigen, schmelzbaren Polymeren als Beschichtungsmittel,
wobei man:1) in einer Vorbehandlungsanlage die Rohre reinigt,2) einen Primer auf das Rohr aufbringt,3) mit einer Mittelfrequenz-Induktionsspule den Primer einbrennt und bei Einsatz eines lösemittelhaltigen Primers das Lösemittel verdampft,4) einen Radiallüfter zum schnelleren Abführen des verdampften Lösemittels einsetzt,5) ggf. eine Mittelfrequenz-Induktionsspule zur Vorwärmung des Rohres verwendet,6) mit einem Wirbelsinterbecken mit integrierter Mittelfrequenz-Induktionsspule eine Beschichtung aufbringt,7) durch Einbauten im Wirbelsinterbecken, bestehend aus Luftdusche oberhalb des Rohres Pulveranhäufungen vermeidet und den Strömungsleitblechen unterhalb des Rohres Pulvermangel und dadurch resultierend Poren an der Unterseite des Rohres vermeidet,8) ggf. mit einer Mittelfrequenz-Induktionsspule die nicht komplett aufgeschmolzene Beschichtung glättet,9) auf einer Schmelzstrecke den anhaftenden Beschichtungsbelag durchschmelzt und glattschmelzt,10) mit einer Luftdusche die Rohroberfläche vorab abkühlt,11) durch Wasserkühlung die Beschichtung weiter abkühlt und erhärtet. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet, dass die Induktionsspulen unter den Punkten 5 und 8 in Abhängigkeit der Schichtdicke der Beschichtung wie folgt eingesetzt werden:Einsatz der Induktionsspulen 5 und 8,oder Einsatz der Induktionsspule 8oder Einsatz der Induktionsspule 5. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass als Beschichtungsmittel Polyamid eingesetzt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass Polyamid 11 oder Polyamid 12 eingesetzt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass Polyamid 12 aus Fällpulver eingesetzt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass ein handelsüblicher Haftvermittler in Form von Suspension, Lösung oder Pulver aufgetragen wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Polymerschicht 50 bis 1 000 µm beträgt und die mittlere Abweichung 30 % nicht übersteigt. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Polymerschicht 50 bis 300 µm beträgt und die mittlere Abweichung 30 % nicht übersteigt. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Polymerschicht 50 bis 300 µm beträgt und die mittlere Abweichung 20 % nicht übersteigt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10233345 | 2002-07-23 | ||
| DE10233345A DE10233345A1 (de) | 2002-07-23 | 2002-07-23 | Kontinuierliche chromatfreie Rohrbeschichtungen durch Wirbelsintern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1384523A1 EP1384523A1 (de) | 2004-01-28 |
| EP1384523B1 true EP1384523B1 (de) | 2005-08-17 |
Family
ID=29796511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03012962A Expired - Lifetime EP1384523B1 (de) | 2002-07-23 | 2003-06-07 | Kontinuierliche chromatfreie Rohrbeschichtung durch Wirbelsintern |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1384523B1 (de) |
| JP (1) | JP4360856B2 (de) |
| KR (1) | KR20040010311A (de) |
| CN (1) | CN100509178C (de) |
| AT (1) | ATE302069T1 (de) |
| BR (1) | BR0302592A (de) |
| CA (1) | CA2435690A1 (de) |
| DE (2) | DE10233345A1 (de) |
| ES (1) | ES2246443T3 (de) |
| MX (1) | MXPA03006198A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009015533B9 (de) | 2009-04-02 | 2011-01-13 | Babcock Borsig Service Gmbh | Verfahren und Vorrichtung zum Beschichten von metallischen Rohren oder anderen langen Bauteilen mit begrenztem Querschnitt |
| DE102012101651A1 (de) * | 2012-02-29 | 2013-08-29 | Thyssenkrupp Rothe Erde Gmbh | Verfahren zur Herstellung eines Wälzlagerkäfigs für ein Axial-Radial-Wälzlager sowie Axial-Radial-Wälzlager |
| DE102012101649A1 (de) * | 2012-02-29 | 2013-08-29 | Thyssenkrupp Rothe Erde Gmbh | Verfahren zur Herstellung eines Wälzlagerkäfigs, insbesondere für Großwälzlager sowie Vorrichtung zur Durchführung des Verfahrens |
| IT201700047436A1 (it) * | 2017-05-03 | 2018-11-03 | Ima Spa | Metodo per rivestire materiale sfuso |
| CN110076059B (zh) * | 2019-03-18 | 2021-11-05 | 北京丰隆汇技术有限公司 | 一种卡簧挂点补粉方法 |
| CN112893061B (zh) * | 2021-01-18 | 2022-02-25 | 南京和涛塑胶有限公司 | 一种n-hap热浸塑钢管的生产工艺 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3108022A (en) * | 1960-05-09 | 1963-10-22 | Polymer Processes Inc | Apparatus for coating an elongate body with fluidized coating material |
| BE661657A (de) * | 1964-03-25 | |||
| CN1288125C (zh) * | 2003-01-16 | 2006-12-06 | 张小燕 | 一种利用鸡蛋壳制备丙酸钙的方法 |
-
2002
- 2002-07-23 DE DE10233345A patent/DE10233345A1/de not_active Withdrawn
-
2003
- 2003-06-07 ES ES03012962T patent/ES2246443T3/es not_active Expired - Lifetime
- 2003-06-07 DE DE50300986T patent/DE50300986D1/de not_active Expired - Lifetime
- 2003-06-07 AT AT03012962T patent/ATE302069T1/de not_active IP Right Cessation
- 2003-06-07 EP EP03012962A patent/EP1384523B1/de not_active Expired - Lifetime
- 2003-07-10 MX MXPA03006198A patent/MXPA03006198A/es not_active Application Discontinuation
- 2003-07-21 BR BR0302592-6A patent/BR0302592A/pt not_active IP Right Cessation
- 2003-07-21 CA CA002435690A patent/CA2435690A1/en not_active Abandoned
- 2003-07-22 CN CNB031328474A patent/CN100509178C/zh not_active Expired - Fee Related
- 2003-07-22 KR KR1020030050140A patent/KR20040010311A/ko not_active Ceased
- 2003-07-23 JP JP2003200680A patent/JP4360856B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2435690A1 (en) | 2004-01-23 |
| EP1384523A1 (de) | 2004-01-28 |
| CN100509178C (zh) | 2009-07-08 |
| MXPA03006198A (es) | 2004-12-03 |
| ES2246443T3 (es) | 2006-02-16 |
| CN1488447A (zh) | 2004-04-14 |
| JP4360856B2 (ja) | 2009-11-11 |
| BR0302592A (pt) | 2004-08-24 |
| JP2004105949A (ja) | 2004-04-08 |
| DE10233345A1 (de) | 2004-02-12 |
| ATE302069T1 (de) | 2005-09-15 |
| KR20040010311A (ko) | 2004-01-31 |
| DE50300986D1 (de) | 2005-09-22 |
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