JP2003211865A - Method and apparatus for forming saddle stitched folding booklet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for forming a saddle stitched folding booklet capable of using a gathering machine needing no folding, and forming the saddle stitched booklet having a clear finish with small bulge of a folding section even when the number of sheets of one booklet is increased. <P>SOLUTION: The method for forming the saddle stitched folding booklet comprises the steps of dividing sheets P<SB>1</SB>to P<SB>2</SB>of the one booklet into one or a plurality of sheets divided into P<SB>1</SB>to P<SB>4</SB>and P<SB>5</SB>to P<SB>7</SB>in response to a thickness and the number of the sheets, doubling the divided sheets Pa, Pb, and thereafter superposing the divided sheets Pa, Pb, and binding the sheets to form the booklet. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a saddle-stitched booklet producing method and an apparatus for producing the same.

[0002]

2. Description of the Related Art FIG. 4 shows the structure of a conventional saddle-stitching booklet making apparatus for making a saddle-stitching booklet, in which FIG. Is a pressure roller, 4 is a book holder, and 5 is a booklet. The collator 1 has different sheets of paper (paper that is not a signature peller)
A plurality of sheet feeding devices 1a for feeding P1 to Pn one by one from each stage, and sheets P1 to Pn for each one fed from each stage
A conveyor belt 1b is provided for sending out a bundle of sheets P formed by stacking the sheets.

In the saddle-stitching and folding machine 2, a conveyor belt 2a for conveying a bundle of sheets P carried in and a stopper 2b and a stopper 2b for stopping and aligning the sheet bundle P conveyed by the conveyor belt 2a at a predetermined position are positioned. The stitcher 2c for binding the central portion of the formed sheet bundle P with a wire, the stopper 2f for carrying in the sheet bundle P after binding and stopping it at a predetermined position, and the binding portion of the central portion of the sheet bundle P positioned by the stopper 2f A folding blade 2e that is pressed between the nip rollers 2g is provided.

The saddle-stitching folded booklet is produced by this producing apparatus by making a sheet bundle P forming one sheet by the collating machine 1, binding the central portion of the sheet bundle P by the stitcher 2c, and binding the bound sheet bundle. Fold P in two with the folding blade 2e and the nip roller 2g,
The bundle of sheets P folded in half is given a crease by the pressure roller 3 to form one booklet 5.

[0005]

However, according to the method of folding the bundle of sheets bound in this way into two, it is possible to save the trouble of folding the sheets in advance and to shorten the length of the collating portion. When the number of sheets of paper for a book increases, the folding part becomes rounded, and the part bulges, resulting in a problem that the booklet is inferior in function and aesthetics.

The present invention has been made in order to solve such a problem, and a collating machine which does not require folding can be used. Even when the number of sheets is large, the bulging of the folding portion is small and the finish is beautiful. It is an object of the present invention to provide a method for creating a saddle-stitched booklet capable of creating a saddle-stitched booklet and a device for creating the same.

[0007]

The present invention according to claim 1 is characterized in that a plurality of sheets of paper are superposed in a predetermined order and are folded in two, and the folded portion of the folded paper is bound. According to a second aspect of the present invention, a plurality of sheets of paper are superposed in a predetermined order, folded into two, and the two folded papers are stacked with the creases aligned, and the folded portions of the plurality of sheets are bound together. The present invention according to claim 3 is characterized in that the plurality of stacked sheets is one volume.

Further, the present invention according to claim 4 is a paper feeding device for feeding a plurality of sheets of paper superposed in a predetermined order,
A folding machine that folds each of the sheets fed from the sheet feeding machine into two; a sheet stacking machine that stacks the sheets folded in two by the folding machine with the folding lines aligned; and a stack of sheets stacked by the paper stacking machine It is characterized in that it is provided with a saddle stitching machine for binding the fold line portion.

According to a fifth aspect of the present invention, a sheet feeding machine that feeds out a plurality of sheets stacked in a predetermined order is a collating machine, and the present invention according to the sixth aspect is that the folding machine moves the sheet. A creasing roller for making a creasing in the central part of the sheet, a guide roller for pushing up and guiding the streak portion of the sheet inserted by the creasing roller, and a press for sandwiching and pressing from both sides of the streak portion of the sheet pushed up by the guide roller A roller and a roller are installed in the moving direction of the paper.

In the present invention, folding lines are formed for each appropriate number of sheets according to the thickness of the sheet, and the required number of sheets with the folding lines formed are collected, and then the sheets are bound along the folding lines. The creases are almost certainly formed on the paper, and as a result,
It is possible to form a saddle-stitch booklet with less bulging at the folded portion.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is a flow chart showing a procedure for creating a saddle-stitched folded booklet according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing a configuration of a paper feeding unit, and FIG. 3 is an operation explanatory diagram of the paper folding unit. In FIG. 1, 6 is a paper feeding unit such as a printing machine or a collator, 7 is a paper positioning unit, 8 is a folding unit in which a folding machine is arranged, 9 is a stacking or conveying unit for folded paper, and 10 is a paper binding device. A part (may also serve as a stack of half-folded sheets), 11 is a small edge cutting part, and 12 is an upside-down cutting part.

Po is a sheet of paper sent from a sheet feeding device such as a printing machine or a collator, and Pa and Pb (see FIG. 2) are sheets of one or more sheets superposed in a predetermined order, Pc. Is a fold line of a sheet, and P is a sheet in which one book is accumulated. In this example, as shown in FIG. 2, the supply of the sheets of the sheet supply device 1a of each stage of the collator 1 as shown in FIG. 4 is controlled so that the four sheets P1 to P4 are superposed on each other. Pa
The three sheets P5 to P7 are superposed on each other to create a sheet Pb, and Pa and Pb are superposed to form one sheet of the sheet P. That is, P sheets of P are 2 sheets of P sheets and Pb sheets.
It is divided into two and sent to the paper positioning unit 7 in order. When the sheets are fed one by one, the required number of sheets are superposed by the sheet positioning unit 7. The number of Pa and Pb may be one.

Paper Pa sent to the paper positioning unit 7
Is sent to the folding section 8 and folded in two by a folding machine. The folding machine arranged in the folding unit 8 has a pair of pulleys 8a and a creasing roller 8b fixed to one rotation drive shaft between the pair of pulleys 8a and the pair of pulleys 8a with a space between them on the loading side of the paper Pa. The creasing rollers 8b are composed of a pair of upper and lower parts.
As shown in (a), a groove 8f is formed on one side in the circumferential direction, and a projection 8g facing the groove 8f is formed on the other side, and the central portion of the sheet Pa passing between the pair of creasing rollers 8b. A fold line is formed by the pressing force of the concave groove 8f and the protrusion 8g.

A pair of press rollers 8d are arranged on the carry-out side at an appropriate distance from the creasing roller 8b, and a round belt 8e, which is wound around each of a pair of pulleys 8a, is wound around each press roller 8d. ing. The width between the round belts 8e is narrowed as it goes to the unloading side,
The width of the sheet Pa on which the fold lines are formed is adjusted from both sides.
The guide roller 8c is arranged on a straight line connecting the concave groove 8f and the projection 8g of the creasing roller 8b and the pair of press rollers 8d, and pushes up the streaky portion Pc of the sheet as shown in FIG. 3B. That is, the folded portion of the paper sheet Pa is closely contacted by the round belt 8e and the guide roller 8c as shown in FIG. 3 (c) and is fed to the press roller 8d, whereby the paper sheet Pa has a strong crease.

The half-folded paper Pa is hooked in a not-shown position, and at this stage, the half-folded paper Pb is overlapped next to form one sheet of paper P, and as shown in FIG.
Is conveyed to the sheet binding unit 10 by the conveyance chain 9b that moves intermittently while fixing the. The sheet P for one book may be formed by the sheet binding unit 10. Paper binding section 1
The stitcher 10a is placed at 0, and the
Two places of the fold line Pc of the paper P of the book are bound with a wire. The 10b paper P bound by the wire is sent to the edge cutting unit 11, cuts the edge, and is sent to the upside-down cutting unit 12 to cut the upside down and the booklet 5
To complete.

It should be noted that the folding machine may be composed of a folding blade 2e and a nip roller 2g shown in FIG. Further, in the above description, one book is made, but a plurality of sheets after binding may be collected to form one book. In this case, another binding machine will be used.

[0017]

As described above in detail, according to the present invention,
One sheet of paper is divided into one or more sheets according to the thickness and number of sheets, and each of the divided sheets is folded in two and appropriately overlapped to create a booklet. It is possible to create a beautiful saddle-stitched booklet with a crease that is surely attached to the fold, and with little bulging at the folding portion and a finished finish. Further, since a folding machine is not required on the paper feeding side, the collator or the like can be downsized.

[Brief description of drawings]

FIG. 1 is a flow chart showing a procedure for creating a saddle-stitched booklet according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a configuration of a paper feeding unit of FIG.

FIG. 3 is an operation explanatory diagram of a sheet folding unit in FIG. 1.

FIG. 4 is a configuration diagram of a conventional saddle-stitched booklet creation device that creates a saddle-stitched booklet.

[Explanation of symbols]

1 collator 1a sheet feeding device 6 sheet feeding section 7 sheet positioning section 8 folding section 8a pulley 8b creasing roller 8c guide roller 8d press roller 8e round belt 8f concave groove 8g protrusion 9 sheet stacking or transport section 9a claw 9b transport Chain 10 Paper binding section 10a Stitcher 10b Binding wire 11 Edge cutting section 12 Top and bottom cutting section Po One sheet of paper Pa, Pb Paper Pc where one or more sheets are superposed in a predetermined order P1 of paper folding line P Paper

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Eiji Katayama             1601 Jonoshita, Asahi, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture             Local Horizon International Stock Association             In-house (72) Inventor Masayuki Kashiba             1601 Jonoshita, Asahi, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture             Local Horizon International Stock Association             In-house (72) Inventor Ko Ouchiyama             1601 Jonoshita, Asahi, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture             Local Horizon International Stock Association             In-house (72) Inventor Kazuhisa Fujita             1601 Jonoshita, Asahi, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture             Local Horizon International Stock Association             In-house (72) Inventor Tomonori Taniuchi             1601 Jonoshita, Asahi, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture             Local Horizon International Stock Association             In-house F-term (reference) 3F108 AA01 AB01 AC04 BA03 BA09                       CD03 GA05 GA09 GB01 GB03                       GB10 HA02 HA39

Claims (6)

[Claims] 1. A method for producing a saddle-stitched booklet, comprising folding two sheets of a plurality of sheets superposed in a predetermined order, and binding the folded portions of the two folded sheets. 2. A sheet comprising a plurality of sheets superposed in a predetermined order is folded into two, the folded sheets are stacked together with the folding lines aligned, and the folded portions of the stacked sheets are bound together. How to make a saddle stitch booklet. 3. The method for producing a saddle-stitched folded booklet according to claim 2, wherein a plurality of stacked sheets are for one book. 4. A paper feeding device for feeding a plurality of sheets of paper superposed in a predetermined order, a folding machine for folding each paper fed from the paper feeding machine in two, and a paper folded in two by the folding machine. An apparatus for producing a saddle-stitched booklet, comprising: a sheet stacking machine for accumulating and aligning fold lines, and a saddle stitching machine for binding a fold line portion of a sheet bundle accumulated by the sheet stacking machine. 5. The saddle-stitching and folding booklet producing apparatus according to claim 4, wherein the sheet feeding machine for feeding a plurality of sheets superposed in a predetermined order is a collating machine. 6. A folding machine comprises a creasing roller for creasing the center of a moving sheet, a guide roller for pushing up and guiding a streak portion of the sheet inserted by the creasing roller, and a sheet pushed up by the guide roller. 5. The saddle-stitched booklet producing apparatus according to claim 4, further comprising a press roller that presses from both sides of the streak portion in the sheet moving direction.