Booklet, method and apparatus for producing the same
US5062754A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1988 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Sep 8, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D3/002
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention disclosed is directed to a method, an apparatus for manufacturing and apparatus for using a booklet, folder or wrapper comprising two substantially parallel covers (1,2) united with a spine (3) at crease lines (5,6). A strip (4) of adhesive binder is attached to the inside of the spine (3) and extends only between the crease lines (5,6). The strip of adhesive (4) is intended to be activated to provide adhesion between itself and one edge of a sheaf of sheets of material which are inserted between the covers (2,3). Two opposing longitudinal side edges of the (4a, 4b) of the strip of adhesive (4) are united with the respective covers (1,2) before the sheaf of sheets is inserted between the covers (2,3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.