DE1486916A1 - Multiple continuous forms and processes for their manufacture - Google Patents

Description

Dr. phil. G. B. HAGEN Munich, July 28th, 1966

Patent attorney

MONCHEN-SOLLN Franz-Hals-Strasse 21

Telephone 796213 1 486916

PA I893

Paper Converting Machine Company, Inc. Green Bay, Wisconsin, U.S.A.

"Multiple continuous forms and process for their production"

Priority: U.S.A .; August 2, 1965 U.S. Serial No. 4γ6 251

The invention relates generally to multiple continuous forms and a method for their manufacture and in particular to an improved structure and a improved process for the production of multiple continuous forms for use in high-speed "printers", such as tabulating machines or the like.

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With the significant advances in technology in office machines and billing methods, there has been a corresponding need for more accurate and faster methods of processing and recording various types of informational data. One such method is the use of multiple continuous forms which are unwound from continuous rolls and which usually consist of two or more recording sheets with carbon paper sheets inserted between them which can be torn off and discarded after use. The nested sheets of form and carbon paper are usually bonded together along a marginal edge to create what is commonly referred to as a butt or binding edge. Often these butt or binding margin is punched out to create a series of holes, engage in the transport devices with associated control pins as ver turns are or transport setting in the subsequent uses of the form for tabulating while writing.

In practice , the multiple continuous forms are generally introduced directly into labeling machines, such as typewriters or the like, without the need for manual manipulation or further registration of the parts.

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An important problem in the production of such multiple endless forms is the individual form set parts connect together in proper proportion so that they can easily get through the with high-speed tabulating or other such machines can be performed, the remaiine- or use guide holes. It is essential that the guide holes do not move out of the "round" position Shift so that the pins of the transport units do not put the forms and sheets of carbon paper into place Must match or shake before going through the "write" unit of the tabulators be guided. The extremely high speed of the machines becomes clear when one takes into account that the I.B.M. 1403, model 5, paper at one speed transported by 175 cm per second. These The endeavor to "shake" the forms apart, and thus except for the correct ones, has an extremely high effect Bring hole match that is essential is necessary for use with high speed tab machines.

It has previously been known that the individual parts by various types of fastening devices, such as Brackets to connect what method However, it brought with it a multitude of difficulties.

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In high-speed tabbing machines, the staples are in the ribbons and transport wires caught, causing the machines to jam. After the brackets are thick, they tend to to build up very high in one area, which makes the packaging of the forms extremely cumbersome and difficult will. In addition, the stapling is usually carried out by a special and expensive operation, which is usually carried out by complicated facilities from a maintenance standpoint confess often cause difficulties.

Another known fixation option is what is commonly called "finger lock" or "shrink lock" is referred to, usually the edge strip is slit to a series of one inside the other to form engaging tongues that hold the parts in a correct position. Such determinations generally penetrate completely through the form and generally mutilate all parts of the form and make it extremely difficult to close the forms and carbon paper sheets from each other after use separate. Accordingly, most users completely sever the edge thus slit and thereby lose it the advantage of the guide holes for further work steps.

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Recently, other attempts have been made to make the binding edge of the continuous forms pliable enough to to run over the feeding machines and past the tabulating machine ribbons without the through Perforation to be warped. Perhaps most successful has been the use of the "hot melt glue" process. This welding is done in the continuous lines or alternate points of glue are generally applied to the individual parts with the aid of an extrusion nozzle-like device. The difficulties with such a method lie in the fact that the glue is extremely expensive Has a tendency to slow down the operation considerably and in most cases the thickness of the binding margin substantially increases the number of cut sheets that can be used in a form set, significantly is decreased. The thick build-up of glue along the edge tends to reduce the flexibility of the Reduce the margin considerably, especially if the form consists of more than six individual forms consists. In addition, it is advisable if such glued forms are punched through when they are not dry the forms and carbon papers in many cases mismatch and throw themselves up when they are subsequently to be dried. Such throwing occurs when the sheets of form paper on top of one another

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glued, causing distortion of the otherwise desirable flat continuity of the form what to an extremely difficult processing of the form by the machines running at high speed leads.

The invention overcomes the foregoing and other related defects and disadvantages of the prior art and it is therefore a primary objective of the Invention of providing an improved type of multiple continuous form and a method for the manufacture thereof, that is easy and economical to use and where the sets of forms are particularly useful in tendon-heaping tabulating machines or the like.

Another object of the invention is to provide a multiple continuous form to create and a method for its production, the set of forms from a variety. consists of forms and carbon sheets in between, which are used for punching through, all of these Parts are releasably connected to one another by an improved fastening device that eliminates the need for conventional fasteners, such as by staples, hot glue or the like.

Another object of the invention is to provide a multiple continuous form of the type described for use in

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to create running machines in which a remaline perforation is present and wherein the fastening devices consist of a novel perforated fold-over construction in addition to at least one border that combines the individual components of the form set in one properly aligned enveloped relationship to constant processing in high-speed machines without wrong Alignment or shift holds.

Furthermore, the invention seeks to provide a novel perforated turn-around structure of the type described, which has a smooth, flexible edge, unintentional sticking of the individual form sheets to one another and also eliminates the need for discarding and any build-up of adhesive material next to the edge.

Another object of the invention is to provide a novel perforated foldover structure of the type as described, wherein the edge with openings for engaging the control pins of associated transport devices is provided and keeps the holes in constant alignment with each other without the need consists of the cut sheets of the form set as they pass through high-speed tabulating machines align or shake in alignment.

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Another object of the invention is to provide a multiple continuous form that the novel punched A fold-over structure of the type described, wherein the rim includes a plague device which comprises a Shifting movement of the forms and carbon paper sheets and a separation of the individual forms without Damage permitted.

Another object of the invention is to provide a multiple continuous form group of the type described, in which the individual forms are releasably connected to the edge for easy separation therefrom.

Another object of the invention is to provide a multiple continuous form and to provide a method for its manufacture which comprises a plurality of multiple "tear-out" sets of forms which are releasably connected to one another for use independently of one another.

Finally, the invention seeks to provide a multiple continuous form of the type described, wherein "once" transfer sheets are inserted between the forms, which penetrate the written text and which can be quickly and easily detached from the marginal strip without damage, and the aforementioned perforated fold-over structure allows the fastening edge

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to use as a reinforcement device to permanently bind and store the forms, such as with Help from Leitz folder or the like.

Further features and advantages of the invention emerge from the following description of several in the attached schematic drawings of illustrated embodiments.

Figure 1 is a fragmentary top plan view of the multi-endless form made according to the invention, in which the single forms and carbon papers have broken away near the corners to show their nested relationship,

Fig. 2 is an enlarged fragmentary side view; viewed from the left of Fig. 1, the openwork, folded-over edge construction of the form is shown,

Fig. 5 is an enlarged fragmentary vertical view Cross section according to plane 3-3 of FIG. 1,

JA is an enlarged fragmentary vertical cross section of a modification of the multiple endless form, with the transport parts on the individual

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forms are shown attached with the help of an adhesive,

Fig. 4 is a perspective view showing a multiple continuous form shows, which consists of a large number of multiple single-form sets that are folded in a fan-fold manner are folded and stacked,

Fig. 5 is an enlarged vertical section through a Modification of the multiple transfer form according to the invention, and

Fig. 5A is a fragmentary plan view of another variation of the multiple continuous form shown in Fig Is made in accordance with the present invention,

Fig. 5B is an enlarged fragmentary vertical view Section along line 5B-5B of Figure 5A and wherein the bottom form is shown as a dashed line before folding over,

Figure 5C is a fragmentary top plan view of another modified embodiment of the multiple continuous form according to the invention,

Figure 5D is an enlarged fragmentary vertical view

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Section along line 5D-5D of Fig. 5C, in which the lower form sheet is in phantom before being folded over is shown «

Fig. 6 is a perspective view showing a typical one Figure 3 shows apparatus and method for producing a multiple continuous form according to the invention.

In the drawings, and in particular in Figs a multiple continuous form 2 is shown which consists of a plurality of continuous form sets 4, commonly referred to as "tear-off" forms. As shown, each multiple form set 4 consists of a suitable number of individual form sheets 6, 8, 10 and 12, which are usually are printed, as shown at 14, to represent blank forms. Between the single form sheets is a corresponding number of carbon sheets 16, 18, inserted to the information material on each Copy forms through. Each set of forms 4 can preferably have any number of individual forms and an appropriate number of carbon paper that is sufficient to poke through the informational data as desired.

In accordance with one embodiment of the invention, the individual forms 6, 8, 10 and 12 and the carbon sheets 16, 18 and 20 are preferably all in one another

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Sew a long edge connected to a remalin edge 22 to join the sheets together to form a complete unit. Like in Pig. 3 shown, the edge 22 is represented by an extension or a puddle 24, which is a port setting of the lowermost form sheet 12 represents. This flange 24 is preferably around the adjacent marginal edges of the nested Form sheets folded and engaged with the top surface of the top form sheet 6. This edge flange 24 can be held in its folded-over position with the aid of a single line of adhesive, as at 26 be, the or the like with the help of a suitable dispensing nozzle. is applied. The glue can be of any one suitable quick drying and / or self adhesive type as is well known in the art.

As shown in Figure 1, form sheets 6, 8, 10 and 12 are preferably, although not necessarily, of larger transverse dimension than the carbon paper sheets 16, 18 and 20 inserted in between. th of the carbon paper sheets with respect to the edge 22 preferably not attached and extend until shortly before the corresponding, adjacent edges of the individual form sheets, as shown in dashed line at 27, to provide an easily available means to grab the cut sheet forms to get them quickly

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and easy to separate from the border strelfen. If so Carbon paper sheets are dimensioned so that they generally only extend over the area that is described od. The like. Then there is an effective use of both paper and carbon paper.

For the purpose of executing the forms evenly by tabulating machines or the like running at high speed are the opposite Longitudinal edges of the form including the edge 22 with a plurality of spaced apart in the longitudinal direction Rows of holes 28 provided. The holes 28 preferably run completely through all of the stacked ones Sheets to provide a convenient means for the machine's transport pins to engage, as described in detail below.

This folded-over and adhesive-secured arrangement makes all of the interleaved sheets effective in an enveloped relationship using only the upper form sheet 6 and the lower form sheet 12 held. This enveloping relationship keeps the sheets and thereby also the guide holes 28 in the correct position Alignment while editing in high speed machines. In addition, the adhesive attachment 26 of the flange 24 is only in one line

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between the upper form 6 and the lower form (paper) instead, causing a warping of the whole form is prevented. In addition, the aforementioned use of the adhesive on the binding edge creates a smooth, flexible edge 22, which has a thickness which is only very little greater than the total thickness of all leaves, whereby processing by the tabulating machines or the like without damaging rollers is facilitated. Besides that Such an arrangement requires the use of only one line of glue while a six-piece Set of forms using the above-mentioned conventional "hot melt glue" process, for example Requires eleven lines of glue to ensure the necessary attachment of each part.

As best shown in Figure 2, the fold-over flange is 24 preferably provided with a weakened dividing line 30, for example by perforating or the like, which extends in the longitudinal direction and generally between the marginal edges of nested sheets. Through this arrangement the entire single form and carbon sheets can be torn off without removing the Need to discard the edge strip 22 by simply using a suitable tool, such as a blunt one Blade or the like is pulled through the weakened area. This effect separates the tiny "connecting

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put ", as in the case of the perforation, whereby the entire form and carbon sheets immediately free and without any damage fall off.

In some cases, and for purposes of further securing, the edge strip 22 can be provided with finger or crimp locking devices, as shown in FIG 32 are shown to all cut form and charcoal sheets in interlocking relationship with the edge 22 to keep. As best shown in Fig. 3, any such

Attachment can be achieved by a series of spaced apart slots 34 running completely through all of them Laying sheets penetrates through to create flexible tongues 36. The tongues 36 are at one end firmly attached to the corresponding form sheets and can be next to the free end of the general plane of the Must be pressed down on the form. Thus, the displacement of the tongues 36 causes them to move against the neighboring ones Rest against the edges of the corresponding sheets and thereby effectively prevent Jegliohe longitudinal and / or lateral displacement movement of the sheets in relation to one another. In addition, such a fastening arrangement creates one added security to prevent misalignment of the sheets and thereby maintain the correct registration of the holes 28 with one another during processing in the high-speed machines.

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In some cases it may be desirable to have a single Separate form and carbon paper from edge strip 22 as a unit. In such cases, any sheet of coal can be attached to a corresponding one of the individual forms with the aid of an adhesive, such as at 38 next to the edge 22, as shown in Fig. ^ A. With such a Application care must be taken to ensure that paper is not glued to paper in order to prevent any warping build-up in the region of the edge 22 and thereby the processing in the fast moving ones Machines to lean on.

In Fig. 4, a plurality of the multiple continuous form sets 4 of Figure 1 are shown secured together to create the multiple continuous form strip 2 which can be conveniently stacked in fan-fold form to create a compact package. In this group, each set of multiple continuous forms 4 is preferably attached to the next following set by means of weakened transverse dividing lines 40, such as perforations that extend completely through the sheets of forms and carbon paper, in order to create "departure" multiple continuous forms which can be easily and quickly detached from the endless strip 2 for separate use . The single form sheets 6, 8, 10 and 12 of each of the multiple continuous form sets

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. 4 may be releasably connected at their respective edge 22 by means of weakened longitudinal dividing lines 42, such as duroh perforation «so that the individual form sheets of each sentence can be simply and easily removed for the individual tabulation of information data.

It is clear that the single multiple continuous form sets 4 which are connected to one another form an assembled longitudinal form strip 2 which can be easily folded transversely along the dividing lines 40 in a suitable stacked arrangement. Each of the form sets can be quickly peeled from the strip along the dividing lines 40 , while the entire single form and carbon paper sheets can be peeled off using the folding edge perforation 30 or individually, such as at 42, without disturbing or damaging the remaining sheets will.

Referring to Fig. 5, there is shown a cross-sectional view showing a Modification of the multiple continuous form set shows, which consists of a plurality of individual form sheets 6, 8, 10 and 12 and a corresponding number of carbon sheets 16, 18 and 20 interposed therebetween. In this embodiment, however, the upper form sheet 6 is preferably with an extension or flange 44 and 45 adjacent each of its opposite longitudinal edges which

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represent a continuation of the sheet. As shown, the corresponding paddles are facing each other 44 and 45 folded over and down around the adjacent edges of the remaining sheets and abut against the opposite lower surface of the lower form sheet 12 folded. The flanges 44 and 45 are in this folded-over relationship by means of a line of glue 46 attached, which is only between the form sheets (paper to paper) for the purposes and to achieve the benefits is appropriate, as mentioned above. Preferably, the flanges 44 and 45 are with those protruding mentioned weakened dividing lines 50 provided, such as by perforating, so that the form and Sheets of carbon paper can be easily separated from the strip without damage, as described above.

In Figs. 5A and 5B, another embodiment of the Multiple continuous form set shown, the form sheets 6, 8, 10 and 12 and a corresponding number interposed carbon sheets 16, 18 and 20, the set being generally similar to that shown in FIG except that the edge is of pre-punched fold-over construction as compared to the fold-over one and then only perforated structure according to FIG. 3. In this embodiment, the lower form sheet is 12 (or the upper form sheet 6) as for the

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management form according to Pig. 5) near an edge with a pair of laterally spaced rows of holes 47 and 48 pre-punched therein such as on a single lane press. Weakened dividing lines j50 are between the double row of the holes 47 and 48 are provided so that the lower form 12 easily has the remaining pormund Sheets of carbon paper can be folded over as explained above. This is how the rows of holes are folded 47 and 48 in precisely aligned registration with a pre-punched row of holes 49 in the remaining sheets of form and carbon paper, followed by a single line of glue, preferably between the folded edge of the lower form 12 and the adjacent surface of the next adjacent or upper form 6 is applied to thereby this distributing form and carbon paper sheets to be kept in enveloped relationship in the aforementioned manner.

In Fig. 5C and 5D, a further modification of the multiple "continuous form sets is shown in which a plurality of form sheets 6, 8, 10 and 12 and a corresponding number of interposed carbon sheets 16, 18 and 20. In this embodiment, the lower form sheet 12 (or the upper form sheet 6 * as in In

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the Umfaltebauart according to Fig. 5) next to an edge with only a series of holes 5I instead of one Double rows of holes as in Figures 5A and 5B. Preferably are weakened dividing lines 30 next to and to the outside provided by the row of holes 5I, so that the lower form 12 can easily be folded over the remaining sheets of form and carbon paper. At this However, the folding ends shortly before or outside of the aligned row of holes 53 in the remainder of the shape Sheets of form and carbon paper, leaving a line of glue 46 between the edge of the folded bottom Form sheet 12 and the adjacent upper surface of the next adjacent or upper form sheet 6 is placed to hold the remaining sheets of form and carbon paper in wrapped relationship. Besides that it is clear in this embodiment that the rows of holes punched in all sheets at the same time can be, after the folding is carried out, as shown and described in connection with Figs. 1 to 5, or the rows of holes can be punched in each of the sheets prior to the folding operation, such as shown and described in connection with Figures 5A and 5B.

In accordance with the foregoing, it will be appreciated that the folder structure for holding the sheets of form and carbon paper in nested and wrapped position

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can be achieved by either or both marginal edges and either the top or the bottom Be folded in the manner described. Similarly, it is clear that the upper and lower form sheets alternately folded over next to the opposite diagonal margins could be to create such an enveloped relationship that the holes 28 are in proper alignment are kept to be held by the transport pins during processing in the high-speed tabulating machines to be seized.

In Flg. 6 Is some form of mechanism or device which is indicated generally at 50, is shown to process the multiple continuous forms such as those shown in In Fig. 5 are shown to produce on a printing press. As shown, form sheets 6, 8, 10 and 12 withdrawn individually from suitable (not shown) supply rolls and in the form of endless strips between corresponding sets of cylinders 52 larger and Cylinders 54 of smaller Durohmessers passed through. Each larger cylinder 52 consists of the impression cylinder of a pair of printing cylinders (the plate cylinder and the Transfer cylinders are removed as a unit) while each smaller cylinder 54 has a guide to guide the To transport leaves to the druokelnheit. Any coal

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paper web 16, 18 and 20 is then withdrawn from a supply roll (not shown) and more continuous in shape Strips passed over the appropriate sets of larger diameter cylinders 52 to engage to be moved with the associated, overlying form forms. Suitable guide cylinder 56 may be provided to keep the carbon paper webs in proper alignment when they are transported to help the form webs, so that all the webs to carry out the further work steps are superimposed are arranged.

A pair of spaced apart adhesive applicators 58 and 60, such as extrusion die type, may be adjacent to opposite sides of the summary device 50 may be arranged to apply a continuous line 26 of adhesive to the exposed to apply lateral extensions or flanges 24 of the lower form sheet 12. Also in this one Shown form that the lower form sheet 12 is preferably of greater cross-sectional dimension than that other remaining sheets of form and carbon paper stacked one on top of the other, so that the opposite ones Longitudinal edges form continuous laterally protruding flanges 24 for receiving the adhesive 26. It should be noted that the position of the adhesive

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Cloth applicators 58 and 60 could easily be reversed to provide glue on the underside of the flanges 24 of the upper form sheet 6 to attach to the foldover construction on the opposite Provide side of the endless strip shape.

A perforation mechanism, shown generally at 62, may be disposed among the stacked ones Sheets are placed and generally forward of the adhesive applicators 58 and 60 to perforate the lower form sheet 12. As shown, the mechanism 62 includes an elongated one Rod 64 from which a pair of laterally spaced arms 66 and 68 extend, which in FIG near their ends with "revolving gears 70 and." 72 are provided, which are designed so that they can press against the material of the flanges 24 to this to perforate, while the lower form sheet 12 between the related last set of Pressure cylinders 52 and 54 is passed.

After being perforated near the flanges 24, the nested sheets of leaves become guided by a common guide mechanism 74 which automatically and simultaneously folds the flanges 24, that carry the glue material, namely in the

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Abut against the opposite upper surface of the upper form sheet 6. As shown, the guide mechanism 74 consists of a lower rod J6 of larger diameter and an upper rod 78 of smaller diameter spaced from and parallel to each other at their ends by eh pairs of spaced collars 80 and 82 are connected. The collars 80 and 82 are preferably spaced apart by a distance sufficient to meet the desired final transverse dimension of the form, while the rods 76 and 78 are spaced apart by an amount sufficient to include the total thickness of the nested sheets of the folded flange 24 to receive. Thus, by suitable coordination of the distance between the rods 76 and 78 and the collars 80, 82, the laterally protruding perforated flanges 24 can be folded over evenly and at the same time, in fixed engagement against the opposite upper surface of the topmost form 6, whereupon the folded flanges recessed and held in fixed relationship with the aid of the adhesive 26 located on the respective flanges.

After the fold has been formed, the nested sheets are guided through a stand mechanism 84.

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This mechanism preferably has a pair of rollers 86 and 88, which are a multitude around the perimeter in one Spaced apart pins 90 and 92 which automatically punch the continuous rows of spaced apart holes 28 completely through the stacked sheets near their opposite marginal edges. These holes 28 provide suitable engagement for the transport devices of the high speed tabulating machines as mentioned above.

The folding construction described above can, if desirable to be carried out on a summarizing machine, in which case each lane with a series of Holes are prepunched along one and / or both marginal edges while the sheet is being printed. Such pre-cut sheets are then combined on a machine in which the webs are moved to one another in a superposed relationship and if desired with sheets of carbon paper material similar to that shown in FIG. Either and / or both of the marginal edges are then folded in the manner shown and catfish as shown in Connection with Fig. 6 has been described. Thereafter, the rows of pre-cut holes in the form of Pins on a roll, such as 86 and 88 in Fig. 6,

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who then works / to keep the sheets in alignment and, if so desired, when To help pull through the assembly machine.

From the above description and the accompanying drawings it is clear that the multiple continuous form and the method of making it in accordance with the invention offers many significant advantages. The most important of these advantages is the new type of folding construction, which allows the nested forms and effectively holds sheets of carbon paper in wrapped relationship with a minimal amount of adhesive. The adhesive is only applied between selected sheets of the form (paper against paper), which prevents a warped structure at the edge of the form is created and allows the sheets to be inserted into one another passed through high speed tabbing machines without misalignment or damage to the Remallne holes can be. Such an arrangement eliminates the need to move the parts extremely quickly realign or shake ejecting machines in accordance, especially with such sets of forms that consist of a large number of individual sheets. In addition, this creates novel fold-over structure has a smooth, flexible edge or binding edge that can easily be passed through the

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s can be carried out without accumulating machines and it allows the parts to be easily separated from each other without damage. Furthermore, the rim does not carry much weight contributes to the total thickness of the form, but strengthens the group of form sheets significantly next to the edge, thereby creating an effective reinforcement that can be used to permanently lay down the sheets and to connect with each other, for example with the help of Leitz folder od. Like.

While a preferred embodiment of the invention it is clear that modifications and changes will be made by those skilled in the art can without thereby departing from the scope and spirit of the appended claims.

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Claims (7)

1% Patent claims: (1st / multiple continuous form group in which form webs and carbon paper webs placed in between them in a fan-like manner be brought into one another to form a unitary pack, characterized in that that one or more form webs are enclosed between outer form webs with interposed ones Carbon paper webs between adjacent form webs, and that all of the form webs, with the exception of one of the outer webs, are essentially the same width and that one of the outer form webs is wider than the others and that this wider part has a flap represents that around the longitudinal edges of the other form webs and those in between Carbon paper webs extends and grips the outer surface of the other outer form web, one Facility is provided to hold the flap and all of the form and carbon paper webs together along -A..V to connect a longitudinal edge of the unitary pack. 2. Multiple continuous form arrangement according to claim 1, characterized in that the multiple form pack is perforated transversely at regular intervals, and that the flap extends continuously over the entire Longitudinal extent of the pack extends. - 28 909827/01 1 1 1486915 3. Multiple continuous form group according to claim 1, characterized in that each of the form sheets has a weakened dividing line next to and runs parallel to the edge strip for the individual separation of the individual form sheets from the edge strip. 4. Multiple continuous form group according to claim 3, characterized in that it comprises adhesive means for adhering the carbon paper to the form sheet for separation as a unit from the marginal strip to determine 5. Multiple continuous form group according to claim 1, characterized in that a plurality of slots extend through the edge strip and are flexible Forms tongues which are designed to be slid in relation to the general plane of the group for locking the individual leaves into one interlocked relationship. 6. Multiple continuous form group naoh claim 1, characterized in that the edge has a plurality of mutually aligned openings which are duroh extend it to bring the group of forms into any type of typewriter at the moment of use - 29 -909827/011 1 7. Method of making a multiple continuous forms group with a structure according to any one of the preceding claims, characterized in that a plurality of continuous form and carbon paper webs is provided, one of the webs being wider than the The rest is after which the form and carbon paper webs are brought into nested relationship and glue is applied to the wider web and the part carrying the adhesive over the adjacent edges of the remaining Panels are folded and secured in engagement therewith to create a margin around the panels to be kept in an enveloped fixed relationship to one another. ORIGINAL INSPECTED - 20 909827/0111 Blank page