Process of powder coating of workpieces
US5422146A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1994 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Jul 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.