Continuous, filled envelope assembly with non-marginal spaced feed holes
US4645123A · kind A · utility
7Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 1981 |
| Grant date | Feb 24, 1987 |
| Priority date | — |
| Expiry date | Jul 13, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D5/025
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A continuous, filled envelope assembly includes continuous, envelope forming webs and laterally abbreviated insert webs. The insert webs are capable of accurate feeding with the envelope webs, and also adapted to be processed independently, and include a row of spaced feed holes of one web superimposed on a non-marginal row of spaced feed holes of an adjacent web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.