CA2201878C - Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique - Google Patents

Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique Download PDF

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Publication number
CA2201878C
CA2201878C CA 2201878 CA2201878A CA2201878C CA 2201878 C CA2201878 C CA 2201878C CA 2201878 CA2201878 CA 2201878 CA 2201878 A CA2201878 A CA 2201878A CA 2201878 C CA2201878 C CA 2201878C
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CA
Canada
Prior art keywords
powder
powders
charge
charging
coating
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 - Fee Related
Application number
CA 2201878
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English (en)
Other versions
CA2201878A1 (fr
Inventor
Barbara E. Williams
Ian Harpur
Graham Hearn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nexus Corp
Original Assignee
Nexus Corp
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
Priority claimed from US08/320,892 external-priority patent/US5585426A/en
Application filed by Nexus Corp filed Critical Nexus Corp
Publication of CA2201878A1 publication Critical patent/CA2201878A1/fr
Application granted granted Critical
Publication of CA2201878C publication Critical patent/CA2201878C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

Procédé permettant d'appliquer une charge électrostatique à une cmposition de poudre résineuse, pour l'application électrostatique d'un revêtement sur des objets solides, et procédé d'application d'un tel revêtement. Cette poudre résineuse comprend: i) une résine thermodurcissable ou thermoplastique et ii) un agent modifiant les propriétés électrostatiques incorporé dans la résine ou appliqué sur sa surface. Le procédé d'application de la poudre consiste à charger les particules de poudre par des moyens d'induction/conduction électrique (28), et à pulvériser la poudre chargée par un ajutage (24) sur un substrat solide (26) mis à la terre, auquel elle adhère avant qu'une fusion thermique ne soit effectuée pour produire un fini permanent.
CA 2201878 1994-10-05 1995-10-03 Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique Expired - Fee Related CA2201878C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/320,892 1994-10-05
US08/320,892 US5585426A (en) 1994-10-05 1994-10-05 Process for imparting an electrostatic charge to powders to render them useful for coating application
PCT/US1995/013095 WO1996011068A1 (fr) 1994-10-05 1995-10-03 Procede visant a ameliorer les charges electrostatiques appliquees a des poudres et utilisation de ces poudres pour des applications relatives aux revetements

Publications (2)

Publication Number Publication Date
CA2201878A1 CA2201878A1 (fr) 1996-04-18
CA2201878C true CA2201878C (fr) 2000-12-19

Family

ID=29422762

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2201878 Expired - Fee Related CA2201878C (fr) 1994-10-05 1995-10-03 Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique

Country Status (1)

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CA (1) CA2201878C (fr)

Also Published As

Publication number Publication date
CA2201878A1 (fr) 1996-04-18

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