Roll-wrapping method
US4757667A · kind A · utility
11Cited by
10References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1983 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Nov 14, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C66/73715
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A roll-wrapping method where rolls are wrapped with an envelope of heat-shrink plastic film with a label positioned between the envelope and roll and electrostatically bonded to the film. The bond prevents misalignment of the label prior to heat shrinking of the film onto the roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.