Books – strips – and leaves for manifolding – Book and leaf – Multiple copy
Patent
1991-05-24
1993-04-06
Bell, Paul A.
Books, strips, and leaves for manifolding
Book and leaf
Multiple copy
281 211, 462 17, 462 20, 462 56, B42D 106, B42D 110, B41L 122
Patent
active
051999234
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a carbon copy set consisting of uninscribed and/or inscribed sheets connected along at least one edge.
Such carbon copy sets can be used for inscribing by hand or by typewriter. They can also be used with printers, recorders or the like, especially with printers operating in conjunction with computers. Each carbon copy set can be drawn in individually or be secured to a carrier element which passes the carbon copy sets one after the other to the printer or the like.
A carbon copy set is already known (DE-GM 1 938 645) in which the individual sheets to be inscribed have a separating strip formed by a perforated line. The sheets are connected with each other by means of this separating strip. Carbon copy sheets are placed loosely between these sheets. Each sheet has a separating strip which is bonded to the other sheets by means of an adhesive. Disturbing edge marks always remain along the separating line. The same applies by analogy for the carbon copy set forth from DE-AS 1 611 5387.
The task of the present invention consists in creating a carbon copy set of which the individual sheets can easily be joined together.
This task is solved in accordance with the invention by a carbon copy set of the kind described at the beginning in that in order to join two or more sheets, a strip of material is arranged along one edge of each sheet which has one or more adhesive-coated regions on one side only and forms the connection between two or more sheets, whereby in each case one region with a width .DELTA.X1 serves to attach the strip of material to a sheet and a second region with a width .DELTA.X2 serves as the adhesive bond to the strip of material of another sheet, to another sheet or to another carbon copy set.
In this way carbon copy sets with the desired number of copies can be combined, whereby the individual sheets of the set can be of differing size, format or be differently printed.
The coating of the strip of material on one side only has, above all, advantages in that the production of such strips of material has been known for a long time and is a low-cost operation and that the handling of such strips of material is simple, especially in the production of carbon copy sets.
In order to form a carbon copy set with two sheets, it is fundamentally sufficient to arrange a strip of material in the manner described above at one edge only, in particular at the head end, and to join the sheets formed in this way together. However, it may also be expedient to arrange a strip of material alone or additionally, e.g., at the left-hand side edge, which makes it possible to leaf through the sheets joined together to form a carbon copy set. Such a strip or strips of material can fundamentally be provided on each side edge of the carbon copy set.
The carbon copy set in accordance with the invention can further be designed in such a way that the strip of material has an adhesive coating of an adhesive which can be separated without leaving any residue. With such an adhesive coating the adhesive bonds can be dissolved and joined together optionally at any time. In this way, each sheet can be separated individually from the combined sheets. After this the strip of material can then either be removed from the sheet or be left to reinforce the edge. Adhesives with the properties required here are available in the trade and known, e.g., in connection with removable self-stick notes.
The carbon copy set in accordance with the invention can be designed in such a way that the strip of material is subdivided into two separable areas by a longitudinal perforation. In this way, it is possible to separate the bonded sheets of the carbon copy set from one another with just a single action by detaching them at the perforation of the strip of material. Furthermore, the part of the strip of material still bonded to the sheet can serve as reinforcement for punching holes in and filing the sheet, in particular when the strip of material is arranged along the left-hand side.
The carbon copy set in accordance with
REFERENCES:
patent: 2546584 (1951-03-01), Brock, Jr.
patent: 3778324 (1973-12-01), La vigne
patent: 4248919 (1981-02-01), Davis
patent: 4798401 (1989-01-01), Greig
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