Roll-wrapping apparatus, method and intermediate product
US4475651A · kind A · utility
3Cited by
21References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1981 |
| Grant date | Oct 9, 1984 |
| Priority date | — |
| Expiry date | Nov 5, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B61/202
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A roll-wrapping apparatus and 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.