Tubular cartons
US6976618B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 16, 2001 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Oct 7, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D3/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention provides a tubular carton sleeve (3) comprising a first sheet (4) superimposed at least in part on a second sheet (6), said first sheet providing an inner wall (4) of said sleeve and said second sheet providing an outer wall (6) of said sleeve, first and second opposing ends of said first and second sheets being interengaged to provide a join, wherein at said join, the first end (16) of said inner wall is in a face to face relationship with the second end (10) of said inner wall and the first end (28) of said outer wall is in a face to face relationship with the second end (12) of said outer wall. A corresponding tubular carton is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.