Sleeve construction for improved paperboard cup insulation
US6152363A · kind A · utility
75Cited by
49References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1999 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | May 3, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/3865
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
This invention relates to the construction of sleeves for use with paperboard cups. Such structures of this type, generally, employ a paperboard sleeve backed with hot-melt glue dots which are used to improve the insulating characteristics of a paperboard cup to the same level of common polystyrene cups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.