Method of binding and reinforcing loose leaf sheets
US4749427A · kind A · utility
6Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1986 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Sep 10, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/14
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Method of binding loose leaf sheets together having multiple superposed punched holes while reinforcing the holes including providing a binding element having a tab portion and an elongated strip portion, affixing the tab portion to a face portion of one of the sheets and passing the strip portion through superposed holes within the sheets to be bonded at least once to bind the sheets together, and repeating the process for the remaining holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.