Collaspe resistant center feed roll and process of making thereof
US6179235A · kind A · utility
10Cited by
12References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Aug 31, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47K2010/3266
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The center feed roll may include a wound sheet material having lessened wound tension due to exposure to moisture. This exposure may prevent the inward collapse of sheet material into the core of the center feed roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.