Global Patent Index - EP 0991483 A1

EP 0991483 A1 2000-04-12 - APPLICATION OF PLASTIC ON INDIVIDUAL METAL PARTS

Title (en)

APPLICATION OF PLASTIC ON INDIVIDUAL METAL PARTS

Title (de)

AUFBRINGEN VON KUNSTSTOFF AUF METALLISCHE EINZELTEILE

Title (fr)

APPLICATION DE MATIERES PLASTIQUES SUR DES PIECES METALLIQUES INDIVIDUELLES

Publication

EP 0991483 A1 (DE)

Application

EP 98936350 A

Priority

  • DE 19725780 A
  • EP 9803617 W

Abstract (en)

[origin: DE19725780A1] The invention relates to a method for applying plastic or plastic coatings to metal parts. Said method consists of the following steps: a) the individual parts are brought into contact with a solution or dispersion containing 5 to 50 wt. % organic polymer; b) the solution or dispersion is dried; c) the individual parts are brought into contact with a qualitatively substantially identical solution or dispersion according to step a), containing, however, 0.5 to 5 wt. % organic polymer, and d) finally dried. Preferably, the solution or dispersion contains a chrome VI or chrome III compound and or adhesion-promoting pigments, flow-control agents and/or defoamers (additives). Other preferred embodiments of the invention consist in brining the individual parts into contact with a solution or dispersion having a temperature of 5 to 40 DEG C, drying as in step b) at a temperature ranging from 40 to 60 DEG C and final drying in step d) at a high temperature of up to 200 DEG C. The main advantage of the invention is that the method can be used in the pre-treatment of individual parts before powder coating.

IPC 1-7 (main, further and additional classification)

B05D 1/38; B05D 1/18

IPC 8 full level (invention and additional information)

B05D 7/00 (2006.01)

CPC (invention and additional information)

B05D 7/542 (2013.01); B05D 7/544 (2013.01); B05D 7/587 (2013.01)

Citation (search report)

See references of WO 9857759A1

Designated contracting state (EPC)

BE CH DE DK ES FR GB IT LI LU NL SE

EPO simple patent family

DE 19725780 A1 19981224; CN 1134311 C 20040114; CN 1261296 A 20000726; EP 0991483 A1 20000412; EP 0991483 B1 20021204; TW 446581 B 20010721; US 6299943 B1 20011009; WO 9857759 A1 19981223

INPADOC legal status


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2004-02-13 [REG CH PL] PATENT CEASED

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- Owner name: *CHEMETALL G.M.B.H.

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2003-11-26 [26N] NO OPPOSITION FILED

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2003-01-16 [REF] CORRESPONDS TO:

- Document: DE 59806549 20030116

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