Patent · US Expired

Process of powder coating of workpieces

US5422146A · kind A · utility

9Cited by
1References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 6, 1994
Grant dateJun 6, 1995
Priority date
Expiry dateJul 6, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB33Y80/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A process of powder coating of workpieces in which initially a workpiece is coated with color powder such that the powder adheres to the workpiece and subsequently the powder is baked in an oven, in which subsequent to coating and prior to baking the powder adhering to the workpiece is irradiated with electromagnetic radiation within a particular, defined surface portion so that the powder within the defined surface portion will gelate and stick to the workpiece, and in which the color powder adhering to the workpiece outside of said defined surface portion is removed subsequent to irradiation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.