Method and apparatus for treating a polyolefin surface to obtain an active surface which is receptive to inks and adhesives
US5472747A · kind A · utility
Inventors
Key dates
| Filing date | Nov 23, 1993 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Nov 23, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D5/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of and apparatus for treating a polyolefin surface to become receptive to inks and adhesives is disclosed. The present invention provides a method of and apparatus for treating a polyolefin surface to become receptive to inks and adhesives, using the steps of introducing the shaped object onto a conveyor belt; conveying the shaped object towards an output end of the conveyor belt; aligning and guiding the shaped object across a treatment device to treat the entire 360.degree. surface of the shaped object. The treatment device includes, for example, an electrode spark generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.