Process for marking an article produced by extrusion-blow molding
US6193913A · kind A · utility
0Cited by
10References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 21, 1998 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Jul 21, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7172
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Process for marking a thermoplastic article produced by extrusion of a parison and blow moulding of the said parison, in which the extruded parison is marked before blow moulding by at least one jet of an ink based on a compound which crystallizes in acicular form during drying. No figure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.