Books – strips – and leaves – Book – element thereof – or accessory therefor
Patent
1986-12-09
1989-01-03
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
281 3R, B42D 100
Patent
active
047951931
ABSTRACT:
A booklet having a spine constituted by serial pasting of like marginal regions of the pages is provided with a pasting gap at an intermediate site along the spine between two of the booklet pages. An envelope is thereby left with an end margin caught in the pasting gap. In order to ensure that this envelope remains in place until it is intentionally removed, a spot of adhesive is provided between at least one face of the end margin of the envelope and the spine of one envelope-confronting page of the booklet within the pasting gap. The envelope is easily intentionally removed by opening the booklet to the site of the envelope and tugging outwards, away from the spine, in order to sever the localized facial connection of the envelope to the booklet that was provided by the spot of adhesive. By preference, a discard strip bordering the glue flap of the envelope is cut away by performing a die cutting step as the envelope is being manufactured, so that the envelope web can be aligned with the page webs along one longitudinal margin, yet not be pasted into the booklet spine. Also by preference, the booklet is organized in a manner such that its use is facilitated by grasping the two faces of the pasting gap and pulling it apart into two sub-booklets.
REFERENCES:
patent: 391299 (1888-10-01), Chadwick
patent: 2145500 (1939-01-01), Townsend
patent: 2180551 (1937-11-01), Sawdon et al.
patent: 3369732 (1968-02-01), Hanson
patent: 3460744 (1969-08-01), Turkenkopf
patent: 3911818 (1975-10-01), McIlvaine
patent: 4492306 (1985-01-01), Cooper et al.
Johnstone Robert H.
Loehlein Gerald J.
McGregor Calvin J.
Schultz Edward R.
Travers Dennis P.
Bell Paul A.
Moore Business Forms Inc.
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