Removable core for reeled web material
US4254918A · kind A · utility
10Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1980 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Feb 21, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/5136
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Core for a roll of web material which comprises an outer tube which may be supported to assume a cylindrical form and on to which the web material is wound when in the cylindrical form and an axially displaceable insert piece which fits inside the outer tube. The outer tube being split lengthways into at least two sections which are biased towards each other by expandable binding means. The outer tube being supported in the cylindrical form by the presence of the insert piece therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.