Wrap-around cover for books
US4072326A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1976 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Jul 19, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D1/06
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cover is provided around the spine of a book of the type bound together by two plastic binding strips positioned along the spine marginal edges of the core of the book, one strip having studs passing through holes in the sheets of the core and through holes in the second strip. The cover in the vicinity of the spine extends from under a first strip in a direction away from the spine, around the outside of the first strip, then outside the spine and over the outside of the second strip. Thus the spine is covered and the spine cover is locked under one of the binding strips which bind the core. The spine cover may be integral with one or both outside covers for the front and back of the book. In such instances, one outside cover is folded in a reverse fold punched with aligned holes through which the binding studs pass. Where a single cover covers both front and back, a single pressure sensitive adhesive coated end sheet, such as shown in U.S. Pat. No. 3,749,422, is bound into the core and caused to adhere to the inside of the second cover. In other constructions, no pressure sensitive end sheet is required but a portion of the spine cover is provided with pressure-sensitive adhesi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.