JPH08217296A - Drawing method for roll band body and jig therefor - Google Patents

Abstract

PURPOSE: To prevent lateral oscillation of a band body to be drawn out from a roll band body. CONSTITUTION: The outer periphery of a roll band body 2 is pressed by an elastic member 28. The outside diameter of the roll band body 2 is decreased according to the drawing amount of the band body P', and pressing force of the elastic member 28 is weakened. When the loosening force of the roll band body 2 overcomes the frictional force in the band body P' of the roll band body 2, to be applied by the pressing force of the elastic member 28, the roll band body 2 is loosened from the core side. The outside diameter of the roll band body 2 is increased by loosening from the core, and the inside diameter of the elastic member 28 is increased and pressing force is increased as the outside diameter of the roll band body 2 is increased. The loosening of the core is stopped by the balance of the frictional force in the band body P' of the roll band body 2, to be applied by the pressing force and the loosening force of the roll band body 2, and adhesive force in the band body P' of the roll band body 2 is increased, and lateral oscillation of the band body P' to be drawn can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for pulling out a roll band body, and a method for fixing the roll band body, in which a band body drawn from a roll band (hereinafter referred to as a roll band body) is prevented from laterally swaying. It is about ingredients.

[0002]

2. Description of the Related Art A band-shaped adhesive tape having a predetermined width,
The adhesive tape with release paper, paper, etc. are collectively referred to as the band below. Even if it is a roll band, the one with a weak waist has no problem because it does not rewind, but in the case of a roll band wound with a strong band, it is possible to use some means. If you do not press the outer periphery of the
The work after using the strip drawn from the roll strip may be hindered. For example, in the bookbinding spine cover applicator (Japanese Patent Laid-Open No. 6-239055) shown in FIG. 20, the adhesive tape P pulled out from the roll band (the band in this case is an adhesive tape) 2 is a habit removing tension roller.
At 12, the winding habit is reversed in the direction opposite to the winding direction of the roll band 2 to take a curl, and the pulling roller 13 and the peeling roller
A cutter blade that is pulled out by a 14 onto a receiving plate 16 through a guide plate 15 and a guide roller 26 and is provided in a holder 18.
Cut off at 17.

Next, after aligning the front end of the document 22 with the stopper 19, the document is nipped by the slide type press plate 20 and the press plates 21 and 23 and pushed down to adhere to the back surface (space C2) of the document 22. Tape P is attached, and by pushing it down, the back of the document 22 is rubbed against the vertical surface 24.
It is attached to the back of the document 22, and the slide type pressure plate 20 is retracted by a distance of C1 in synchronization with the movement of the upper attaching roller 25 to the document 22 side by continuing to push it down. Attached to the side.

Therefore, when the roll band 2 is unwound and unrolled, as shown in FIG.
The width W1 of the (adhesive tape P) is equal to that of the document 22 (for example, standard paper A
Since the width is approximately equal to the width W2 of 4), the spine cover 27 may deviate from the document 22 by L1 (for example, 1 mm or 0.5 mm). This deviation occurs because the roll tape 2 is unwound and the adhesive tape P cannot be accurately positioned.

A conventional device for preventing roll unwinding of a roll band, which is disclosed in FIG. 18 (Japanese Utility Model Laid-Open No. 61-165959), presses the roll band 2 against a receiving member 1 formed at a right angle. A pressing plate 3 fixed to the shaft 4 is provided, and a rotating force is constantly applied to the pressing plate 3 by a coil spring in the arrow (a) direction. When setting the roll band 2 in this apparatus, the pressing plate 3 is raised while holding the outer circumference of the roll band 2 by hand, and the pressing plate 3 is pressed against the outer peripheral surface of the roll band 2. You must take your hands off the rolls after you put them in position. In the case of this apparatus, the pressing plate 3 applies a pressing force to the outer peripheral surface of the roll band 2 from before the use (new state) of the roll band to the end of use.

A conventional example shown in FIG. 19 (Shokaikai 61-1825)
No. 5), a tension spring 8 is provided between a rod 6 inserted into a core material 5 of a roll band 2 and a rod 7 provided along the outer peripheral surface thereof, and the outer peripheral surface of the roll band 2 is always provided with the tension spring 8. I try to apply a pressing force. Similarly, in the case of this conventional example, the tension spring 8 applies a pressing force to the outer peripheral surface of the roll strip from before use (new state) to the end of use.

A conventional example shown in FIG. 20 (actual flat opening 6-87358
Gazette), the roll strip 2 is stored in the storage box 9, and the gap 10
The band P is pulled out from the roll band 2, and in the case of this conventional example, the roll band 2 can be freely unraveled in the storage box 9. Judging from this figure, the lateral runout prevention of the drawn strip P is determined by the width of the gap 10 (the storage box 9) and the strip P.
It is considered that this is done by making the widths of the two substantially the same and guiding and regulating both side edges of the strip P on both side surfaces of the gap 10.

Next, in all of the conventional examples (Japanese Utility Model Publication No. 6-38842) shown in FIGS. 15 to 17, the strip P is pulled out from the gap 10 formed in the holder 11, and the holder 11 is pressed with a finger. Thereby, the gap 10 is narrowed to sandwich the strip P, and the drawn strip P is cut at the edge of the gap 10.

[0009]

First, FIG. 18 and FIG.
In the conventional example shown in (1), a pressing force is applied to the outer peripheral surface of the roll band 2 from start to finish until the roll band 2 is completely used until it is completely used up. Therefore, it is an effective means from the viewpoint of preventing the roll unraveling. Further, since the diameter of the roll band becomes smaller as the band is pulled out and used, in order to prevent the roll band 2 from being unwound at all times from the state of a new roll band to the time when the roll band 2 is used up, such a roll band is used. I think the means is effective.
Therefore, as a means for always preventing the roll band 2 from being unwound, the structure is naturally complicated, and as a result, the machine itself becomes large and expensive. Further, the structure shown in FIG. 19 has a relatively simple structure, but since the holes of the core material 5 are utilized, the core material 5
There is a problem in that the roll band 2 cannot be supported by utilizing.

In the conventional example shown in FIGS. 18 and 19, the roll unraveling is prevented from beginning to end after the roll band is mounted on the apparatus, but the commercially available roll band is normally used. It is wrapped in wrapping paper, etc. so that it does not unravel, so when installing this roll band on the device, first be careful not to unravel when removing the wrapping paper etc. In addition, when the roll band strip from which the wrapping paper and the like have been removed is mounted on the apparatus, care must be taken to prevent unrolling. In addition, if unraveling occurs once, it must be mounted on the device after tightening. Therefore, when a commercially available roll band is attached to the apparatus, considerable skill and attention are required, and there is a problem in workability.

Next, in the conventional example shown in FIGS. 15 and 20, the size of the storage box and the holder has a sufficient internal volume with respect to the outer diameter of the new roll band 2. Therefore, as shown in FIG. 12, the roll band stored in the storage box or the holder is unwound from the outer peripheral side of the roll band 2 and unwound in a spiral shape. In this way, when the roll strip 2 is loosened in a spiral shape, a gap C is formed between the strips of the roll strip 2, so that the strip that is pulled out as if the roll strip 2 is in close contact without being loosened. It is not possible to restrain body lateral vibration. For that, the figure
If it is pulled out obliquely (P1) as shown in 13 or if it is unwound in a spiral shape, there is a spring effect in the axial direction of the roll band, so pull it out sideways in parallel (P2). Therefore, there is a problem that the deviation L1 as shown in FIG. 14 occurs.

Next, in the conventional example shown in FIGS. 16 and 17, the outer circumference of the roll band 2 is in sliding contact with the inner surface of the holder 11, so that the roll band 2 is unwound from the outer circumference side. However, unwinding occurs from the core side of the roll band. However, the holder 11 has a size such that the outer diameter of the new roll band 2 is just inscribed, and the holder 11 is adjusted to the outer diameter of the roll band 2 which becomes smaller according to the amount of the band pulled out from the roll band 2. In addition, since the holder 11 is not configured to be small, there are the following problems.

That is, when the roll strip 2 is new, the roll strips are in close contact with each other with a strong pressure contact force, so that the lateral runout of the strip to be pulled out occurs on the outer peripheral surface of the roll strip 2. Although constrained, as the outer diameter of the roll band 2 becomes smaller, the pressure contact force between the roll band members gradually becomes smaller.
Even if there is no gap C between the strips of the roll strip as shown in Fig. 13, it will be in a state close to this, and eventually it will be pulled out obliquely as shown in Fig. 13 (P1), or in a spiral shape. Since there is a spring effect as in the case of unraveling, it can be pulled out in a laterally displaced state (P2), which causes a problem that a displacement L1 as shown in FIG. 14 occurs.

According to the present invention, a simple jig is used, and even if the outer diameter of the roll band becomes small according to the amount of pulling out of the band,
(EN) Provided are a method and a jig for pulling out a roll band body, which retains a pressure contact force between the roll band bodies, eliminates lateral shake of the band strips drawn out, and improves workability.

[0015]

[Means for Solving the Problems] Means for solving the above-mentioned problems, which is grasped from the description of claim 1, is to press the outer circumference of a roll band with an elastic member to thereby wind the band of the rolled roll band. While increasing the frictional force between the bodies to prevent the roll band from unraveling, pull out the band from the roll band,
Depending on the amount of pulling out of the strip, the pressing force of the elastic member is weakened as the outer diameter of the roll strip becomes smaller, and the unraveling force of the roll strip is given by the pressing force of the elastic member. When the frictional force between the strips is overcome, it is loosened from the core side of the roll strip to increase the outer diameter of the roll strip, thereby increasing the pressing force of the elastic member and pushing the strengthened elastic member. The frictional force between the strips of the roll strip given by the pressure and the unraveling force of the roll strip are balanced to stop the loosening from the winding core side of the roll strip to bring the roll strips into close contact with each other. It is characterized by pulling out the belt.

Next, the means grasped from the second aspect is wound by pressing the outer circumference of the roll band wound on the core provided with the collar with the flange at both ends with the elastic member. While increasing the frictional force between the strips of the existing roll strips and preventing the roll strips from unraveling, pull out the strips from the roll strip, and according to the amount of pulling out this strip,
When the outer diameter of the roll band becomes smaller, the pressing force of the elastic member is weakened, and when the loosening force of the roll band overcomes the frictional force between the band of the roll band given by the pressing force of the elastic member. , The roll band is loosened from the winding core side and the outer diameter of the roll band is increased to increase the pressing force of the elastic member, and the band of the roll band is given by the increased pressing force of the elastic member. In the balance between the friction force between the roll band and the unraveling force of the roll band, the outer diameter of the roll band when the unraveling from the winding core side of the roll band is stopped is equal to or less than the outer diameter of the flange, It is characterized in that the strips of the roll strips are brought into close contact with each other and the strips are pulled out.

Next, claim 3 for carrying out the above method
The means grasped from the above description is composed of a C-shaped elastic member formed of a material having elastic force, the inner diameter of the elastic member is smaller than the outer diameter of the roll band body before use, and the winding core of the roll band body is Larger than the diameter of

The means grasped from the fourth aspect comprises a C-shaped elastic member formed of a material having an elastic force, and the inner diameter of the elastic member is smaller than the outer diameter of the roll band before use. , Characterized in that it is almost equal to the diameter of the winding core of the roll band,

The means grasped from the fifth aspect comprises a C-shaped elastic member formed of a material having an elastic force, and the inner diameter of the elastic member is smaller than the outer diameter of the roll band before use. It is characterized in that it is smaller than the diameter of the winding core of the roll band.

The means grasped from the sixth aspect is characterized in that in the jig, the outer peripheral surface of the elastic member is subjected to a surface treatment for facilitating the peeling of the adhesive tape.

[0021]

Since the present invention is constructed as described above, it has the following effects. That is, in the means as understood from claim 1, by pressing the outer circumference of the roll band with the elastic member, for example, the roll band can be put on the market with the elastic member attached, and the hand can be removed from the roll band. There is no unraveling of the roll band even when it is released.

With this elastic member, the frictional force between the strips of the wound roll strip is increased, and the strip is pulled out from the roll strip while preventing the roll strip from unraveling. By pulling out the strip in this way, the unraveling force of the roll strip is reduced by weakening the pressing force of the elastic member as the outer diameter of the roll strip becomes smaller according to the amount of pulling out the strip. When the frictional force between the strips of the roll strip provided by the pressing force of the elastic member is overcome, the roll strip can be unwound from the winding core side.

By thus loosening the roll strip from the winding core side, it is possible to prevent the roll strip from being distorted in a spiral shape and to increase the outer diameter of the roll strip. As the outer diameter increases,
The pressing force of the elastic member can be increased, and the balance between the frictional force between the roll bands given by the increased pressing force of the elastic member and the unraveling force of the roll band prevents loosening from the winding core side. It is possible to stop it.

In this way, the pressing force of the elastic member is increased, and the balance between the frictional force between the band members of the roll band member given by the pressing force of the elastic member and the unraveling force of the roll band member causes the winding core to balance. By stopping the unraveling, it becomes possible to strengthen the adhesion between the strips of the roll strip.

Next, in the means grasped from the second aspect, the elastic member is loosened from the winding core side of the roll band member to increase the outer diameter of the roll band member and increase the pressing force of the elastic member. By the balance between the frictional force between the strips of the roll strip given by the pressing force of the roll strip and the unraveling force of the roll strip, the outer diameter of the roll strip when the unwinding from the winding core is stopped,
By making it less than the outer diameter of the flange of the collar, the side surface of the flange allows
The lateral displacement of the roll band (axial direction of the winding core) is restrained, and the roll bands can be closely attached to each other.

Next, in the jig grasped from the third aspect, a C-shaped elastic member is formed of a material having elastic force, and the inner diameter of this elastic member is larger than the outer diameter of the roll band before use. Since it is also smaller and larger than the diameter of the winding core of the roll band, it is possible to elastically deform the elastic member so that the roll band can be installed in a new state, and also to give elastic force to prevent unwinding. In addition, as the outer diameter of the roll band becomes smaller, the inner diameter of the elastic member also becomes smaller and the force pressing the roll band can be weakened, and the roll band loosens from the winding core side. As the outer diameter of the elastic member increases, the inner diameter of the elastic member also increases, and the elastic force can be increased.

Further, in the jig understood from the fourth aspect, a C-shaped elastic member is formed of a material having an elastic force, and the inner diameter of this elastic member is larger than the outer diameter of the roll band body before use. Since it is small and made almost equal to the diameter of the winding core of the roll band, even if the elastic force of the elastic member is weakened, it is possible to elastically deform the elastic member and mount the roll band in a new state, and , Giving elastic force to prevent unwinding, and as the outer diameter of the roll band becomes smaller,
The inner diameter of the elastic member also becomes smaller accordingly, so that the force for pressing the roll band can be weakened, and as the outer diameter of the roll band unwinds from the winding core side and increases, the inner diameter of the elastic member also increases. It becomes possible to increase the elastic force by increasing the size, and it is possible to prevent wrinkles and scratches from being applied even to a band that is easily wrinkled and scratched.

Further, in the jig grasped from the fifth aspect, a C-shaped elastic member is formed of a material having an elastic force, and the inner diameter of this elastic member is larger than the outer diameter of the roll band before use. Since it is small and smaller than the diameter of the winding core of the roll band, even if the elastic force of the elastic member is further weakened, it is possible to elastically deform the elastic member and mount the roll band in a new state, In addition, the elastic force is applied to prevent unrolling, and as the outer diameter of the roll band becomes smaller, the inner diameter of the elastic member also becomes smaller and the force for pressing the roll band can be weakened. Also, as the roll band unravels from the winding core side and its outer diameter increases, the inner diameter of the elastic member also increases, making it possible to increase its elastic force, and the band that is more susceptible to wrinkles and scratches. But wrinkles and scratches It is possible to ensure that no only.

Next, in the jig grasped from the sixth aspect, when the adhesive tape is used as a band by subjecting the outer surface of the elastic member to a surface treatment that facilitates the peeling of the adhesive tape. However, the adhesive tape does not adhere to the outer surface of the elastic member.

[0030]

An embodiment of the present invention will be described below.
First, the jig will be described. As shown in FIG.
The side shape of 28 is a C shape with a slit 29,
As shown in FIG. 1, it has a cylindrical shape with a length L3. The material is made of a material having high elasticity such as steel or resin.

FIG. 4 is a summary of experimental data.
The specifications are as follows. Inner diameter D = 44mm, wall thickness t = 1
mm, length L3 = 60 mm, slit width W3 = 5 mm, and a jig 28 made of polycarbonate was used as the material. As the strip, a pressure-sensitive adhesive tape with release paper in which a pressure-sensitive adhesive tape is laminated on release paper is used, and the physical properties of the pressure-sensitive adhesive tape with release paper are as follows. JIS-L-1096 for flexibility
The value was 49 mm as a result of measurement by the 6 ・ 19 ・ 3-D method (Hart loop method), and when converted into bending hardness according to the applicant's in-house standard, it was 3500 mg · cm. . The bending resilience was 1400 mg as a result of measurement by the JIS-L-1096-6 ・ 20 ・ 1-A method (Gare method). This adhesive tape with release paper was wound around a winding core having a diameter of 38 mm up to a diameter of 46.5 mm (the same as a commercially available one) without looseness.

FIG. 4 shows the outer diameter of the material (adhesive tape roll with release paper) on the horizontal axis and the elastic strength of the jig 28 on the vertical axis. The elastic strength of the jig 28 was determined by measuring the width of the slit 29 each time and measuring the elastic force of the jig 28 corresponding to the width of the slit 29. Further, in order to check the resilience of the elastic force of the jig 28, an experiment was also conducted for the maximum diameter of the material 52 mm and the width of the slit 29 27 mm.

The results obtained from FIG. 4 are as follows.
In the figure, the crosses indicate experimental values, and the jig 28 has an inner diameter (outer diameter of the material) of 44 mm and the elastic strength of the jig 28 is zero. It was confirmed that even if the inner diameter of the tool 28 was set to the maximum diameter of 52 mm, the change in the diameter of the jig 28 and the elastic force of the jig 28 were in a proportional relationship, and the elastic force of the jig 28 was restored. Also, although not shown in FIG. 4,
Even if the elastic force of the jig 28 is the same material, it is greatly affected by the wall thickness t and the length L3 of the jig 28. If the elastic force of the jig 28 is too strong, the roll band 2 Since the band P drawn from the wrinkles may be wrinkled or damaged, it is necessary to make the elastic force suitable for the physical properties of the band. For example, in the case where the band P is relatively resistant to wrinkles and scratches, an elastic member 28 having a minimum diameter of the roll band 2 larger than the diameter of the winding core 30 and a large elastic force is used. Further, in the case of the band P that is easily wrinkled or scratched, the roll band 2
The minimum diameter of the roll core 2 is approximately equal to the diameter of the winding core 30 and the elastic member 28 having a small elastic force is used. An elastic member 28 having a smaller diameter and a smaller elastic force is used.

Next, when the adhesive tape with release paper was pulled out from the material and the relationship between the change in the diameter of the material and the unraveling was observed and measured, the diameter of the material was approximately 45 mm and the slit was measured.
The width of 29 is 8.5 mm, the elastic strength of jig 28 is 50 g, and the unwinding of the material starts from the core side of the material, and the diameter of the unwound material is approximately
At 45.4 mm, the roll unraveling stopped, and the elastic strength of the jig 28 at that time was about 70 g.

When this is physically analyzed, the relationship shown in FIG. 8 is assumed. The frictional force F2 between the strips P1 and P2 of the roll strip 2 is given by the tightening force (elastic force) of the jig 28, and the force F3 that tries to unwind the strip P1 or P2 is the frictional force F2. When it becomes larger than that, roll unrolling of the roll band 2 occurs. Then, the roll belt 2 is unwound from the core side and its outer diameter increases, the jig 28 diameter increases, and F1 increases, so that the friction force F2 increases.
Becomes larger, the relationship of F2 ≧ F3 is established, and the unwinding is stopped. The strips P1 and P2 are pressed against each other by the elastic force of the jig 28 in which the relationship of F2> F3 is generated, and the strip is pulled out from the roll strip 2 while maintaining this relationship repeatedly.

As described above, the material, thickness and length of the jig 28 are determined within the upper limit range in which the elastic force of the jig 28 is proportional to the size of the diameter thereof, and The minimum diameter of the jig 28 is determined so that the frictional force F2 when the diameter is increased by unwinding from the core side and the unwinding is stopped so that the strip P can be pulled out without lateral shake. You can That is, as shown in FIG. 5, a new roll band 2
With respect to the outer diameter D1 of the roll 28, the width W4 of the slit 29 is widened within a range in which the elastic force of the jig 28 changes in proportion to the change of the diameter, and as shown in FIG. Body 2
Is unwound from the core side, and the outer diameter D2 of the roll band 2 and the width W5 of the slit 29 at that time are determined so that an appropriate frictional force F2 is generated when this unwinding is stopped. Can determine the specifications of.

For example, the waist of the belt P is tightly wound and the loosening force F is
An elastic member 28 having a large elastic force is used for a large value of 3. When the minimum diameter of the elastic member 28 having such a large elastic force is equal to or smaller than the diameter of the winding core 30, F1 becomes too strong and wrinkles are formed on the band P when the roll band 2 is new. Therefore, the minimum diameter of the elastic member 28 is made larger than the diameter of the winding core 30,
The amount of deformation of the elastic member 28 from the minimum diameter to the maximum diameter is reduced, and the force of F1 when the elastic member 28 has the maximum diameter is reduced. Even if the minimum diameter of the elastic member 28 is large, the elastic member 28
Since the elastic force of 28 is large, the relationship of F2 ≧ F3 is established, and the value of F1 in the diameter of the elastic member 28 when the unraveling is stopped is also a correspondingly large force.

On the contrary, the elastic member 28 having a small elastic force is applied to the band P having a weak waist and a small unwinding force F3.
To use. When the minimum diameter of the elastic member 28 having such a small elastic force is made larger than the diameter of the winding core 30, a considerably large F1 can be obtained when the roll band 2 is in a new state. As one approaches the minimum diameter, one cannot get a reasonably large F1. Therefore, when the minimum diameter of the elastic member 28 is equal to or smaller than the diameter of the winding core 30 to increase the deformation amount of the elastic member 28 from the minimum diameter to the maximum diameter, when the elastic member 28 approaches the minimum diameter. Increase F1 power of. Further, even if the amount of deformation of the elastic member 28 from the minimum diameter to the maximum diameter is large, the elastic force of the elastic member 28 is small, so that even if the roll band 2 is new, the band P is not wrinkled or scratched. .

Next, an example of the method will be described. By pressing the outer circumference of the roll band 2 with a C-shaped jig 28 (elastic member), the roll band 2 can be put on the market with the jig 28 attached, and the roll band 2 can be released. Also, the roll strip 2 does not unravel.

Then, by setting the roll band 2 having the jig 28 attached thereto in the apparatus, the rolled roll band 2 is wound.
The band P is pulled out from the roll band 2 while increasing the frictional force between the band P to prevent the roll band 2 from unraveling. By pulling out the strip P in this way, the outer diameter of the roll strip 2 becomes smaller according to the amount of pulling out the strip P, and accordingly the diameter of the jig 28 also becomes smaller, and the inner diameter at that time becomes smaller. The pressing force due to the elastic force of the jig 28, which is proportional to, becomes weaker, and the unraveling force F3 of the roll band 2 becomes the frictional force F2 between the bands P of the roll band 2 given by the pressing force F1 of the jig 28. When it is overcome, it is loosened from the winding core side of the roll band 2.

By thus loosening the roll strip 2 from the winding core side, the spiral strip of the roll strip 2 is prevented, and the outer diameter of the roll strip 2 becomes large. Jig 28 as the outer diameter of
The outer diameter of the jig 28 also increases, and the pressing force F1 is increased by the elastic force proportional to the outer diameter of the increased jig 28. And
The unraveling of the winding core is stopped by the balance between the frictional force F2 between the strips P of the roll strip 2 and the unraveling force F3 of the roll strip 2 provided by the increased pressing force F1 of the jig 28.

As described above, the pressing force F1 of the roll belt 2 is increased by increasing the diameter of the jig 28, and the pressing force F of the jig 28 is increased.
By the balance between the frictional force F2 between the strips P of the roll strip 2 given by 1 and the unraveling force F3 of the roll strip 2,
By stopping the unraveling of the winding core, the roll band 2
The adhesive force between the strips P can be approximately F1.

Next, as shown in FIG. 7, flanges 31 are attached to both ends.
The strip P is wound around the winding core 30 provided with the so as to come into contact with the inner surface of the flange 31, and in the roll strip 2 having the jig 28 mounted, it is loosened from the winding core 30 side of the roll strip 2 to form a roll strip. The outer diameter of the body 2 is increased, the outer diameter of the jig 28 is increased to increase the pressing force F1, and the friction force F2 between the strips P of the roll strip 2 given by the pressing force F1 of the jig 28 By balancing the unraveling force F3 of the roll band 2 with the outer diameter of the roll band 2 when the unraveling from the winding core 30 side is stopped to be equal to or less than the outer diameter of the flange 31 of the collar. , When unraveling from the winding core 30 side, by the inner surface of the flange 31,
The lateral displacement of the roll band 2 (axial direction of the winding core) is restrained, and the band P of the roll band 2 can be adhered to each other with the adhesion force F1.

Further, as shown in FIGS. 1 and 2, when the strip body is an adhesive tape with release paper in which the adhesive tape T is attached to the release paper P ', when the roll strip 2 is mounted on the apparatus. When the release paper P shown in FIG. 2 is wound inside the jig 28, the adhesive tape T may stick to the outer peripheral surface of the jig 28 due to the mistake. Therefore, it is possible to prevent the adhesive tape T from sticking to the outer peripheral surface of the jig 28 by subjecting the outer peripheral surface of the jig 28 to a surface treatment (for example, silicon treatment) for facilitating the peeling of the adhesive tape T. You can

When the jig 28 is fixed as shown in FIG. 9 (corresponding to FIGS. 15 to 20), depending on the pulling direction of the strip P, the strip P pulled out by the edge E of the jig 28 is removed. When the length L3 of the jig 28 is shorter than the width of the strip P as shown in FIG. 1, wrinkles may be generated in the strip P pulled out by the ironing, or It scratches.

Therefore, as shown in FIG. 1, the jig 28 is not fixed and is fitted to the outer peripheral surface of the roll band 2 to
As shown in FIGS. 10 and 11, the jig 28 rotates in the direction of the arrow (a) according to the drawing direction of the strip P, and the drawing direction of the strip P is a cutting line with the edge E of the jig 28 as a contact point. Direction, and the ironing by the edge E does not occur.

[0047]

As described in detail above, according to the invention grasped from the detailed description based on the contents of claim 1, by pressing the outer periphery of the roll band with an elastic member, for example, a roll band is formed. It can be marketed with the elastic member attached, and since the roll band does not rewind even if you release your hand from the roll band, you do not have to pay special attention to handling the roll band and workability is improved. Can be improved.

With this elastic member, the frictional force between the strips of the wound roll strip is increased, and the strip is pulled out from the roll strip while preventing the roll strip from unraveling. The strip is fixed by the outer surface of the rolled strip that is wound in close contact with the edge portion of the slit formed in the elastic member, and the lateral displacement of the strip that is pulled out can be prevented.

By pulling out the strip in this manner, the pressing force of the elastic member is weakened as the outer diameter of the roll strip becomes smaller according to the amount of pulling out the strip, so that When the unraveling force overcomes the frictional force between the strips of the roll strip, which is given by the pressing force of the elastic member, it can be loosened from the winding core of the roll strip, preventing the spiral winding of the roll strip. And the outer diameter of the roll band can be increased,
As the outer diameter of the roll band increases, the pressing force of the elastic member can be increased, and the frictional force between the roll bands given by the increased pressing force of the elastic member and the roll band Since the unraveling of the winding core is stopped in balance with the unraveling force, it is possible to enhance the adhesion between the rolls of the band and prevent the lateral runout of the drawn band.

In this way, the pressing force of the elastic member is increased, and the balance between the frictional force between the band members of the roll band member given by the pressing force of the elastic member and the unraveling force of the roll band member causes the winding core to balance. By stopping the unraveling, the adhesiveness between the strips of the roll strips is strengthened, so even if the outer diameter of the roll strip becomes smaller depending on the usage amount of the strips, the adhesiveness between the strips will be reduced. It is automatically held, and it is possible to prevent the lateral run-out of the drawn strip from the state of the roll strip being new to the end of use.

According to the invention grasped from the detailed description based on the contents of claim 2, the roll core is loosened to increase the outer diameter of the roll band and push the elastic member. By increasing the pressure, the balance between the friction force between the strips of the roll strip given by the pressing force of the elastic member and the unraveling force of the roll strip, the roll strip when the unwinding from the winding core is stopped By setting the outer diameter of the roll to be equal to or less than the outer diameter of the flange of the collar, the side surface of the flange restrains the lateral displacement of the roll band (axial direction of the winding core) when loosened from the winding core. In addition, since the strips of the roll strip are brought into close contact with each other, it is possible to prevent the lateral displacement and lateral shake of the drawn strip.

Next, according to the invention understood from the detailed description based on the contents of claim 3, a C-shaped elastic member is formed of a material having an elastic force, and the inner diameter of this elastic member is before use. It is smaller than the outer diameter of the roll band and larger than the diameter of the winding core of the roll band, and the elastic member is elastically deformed and the roll band is mounted in a new state to facilitate handling and workability. As the outer diameter of the roll band becomes smaller, the inner diameter of the elastic member also becomes smaller accordingly, and the force for pressing the roll band can be weakened. As the outer diameter of the roll member unravels, the inner diameter of the elastic member also increases and its elastic force can be increased. Therefore, even if the outer diameter of the roll band becomes smaller depending on the usage amount of the band. Adhesion between strips Automatically retained until completion using the new condition of the roll of strips, it is possible to prevent the deflection side of the strip drawn.

Further, according to the invention grasped from the detailed description based on the content of claim 4, the unwinding force is set by making the minimum diameter of the elastic member substantially equal to the diameter of the winding core of the roll band. The above effect can be obtained without causing wrinkles or scratches on the weak band.

Further, according to the invention grasped from the detailed description based on the contents of claim 4, the unwinding force is reduced by making the minimum diameter of the elastic member smaller than the diameter of the winding core of the roll band. The above effect can be obtained without causing wrinkles or scratches on the strip that is even weaker.

Next, according to the invention grasped from the detailed description based on the content of claim 6, the outer surface of the elastic member is further subjected to a surface treatment for facilitating the peeling of the adhesive tape, and Even when using adhesive tape as a body,
Since the adhesive tape does not adhere to the outer surface of the elastic member, when the adhesive tape is used as the band, it can be handled easily and its workability can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mode of use of an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a side view of the jig shown in FIG.

FIG. 4 is a diagram showing an experimental result of the jig shown in FIG. 1.

FIG. 5 is a side view when the jig in FIG. 1 is mounted on a new roll band.

FIG. 6 is a side view of the jig in FIG. 1 when the unrolling of the roll band from the winding core is stopped.

FIG. 7 is a front view showing a cross section of the roll band body in which the jig in FIG. 1 is mounted on the roll band body in which the band body is wound around the flanged collar core.

FIG. 8 is a diagram showing a relationship between a pressing force by a jig, a frictional force between the strips, and a rewinding force of the roll strip, which is obtained by partially enlarging the roll strip.

FIG. 9 is an explanatory diagram showing the relationship between the jig and the strip that is pulled out when the jig is fixed.

FIG. 10 is an explanatory diagram showing a relationship between the jig and the drawn-out strip when the jig is fitted to the roll strip.

FIG. 11 is an explanatory diagram showing a relationship between the jig and the pulled-out belt when the jig is fitted to the roll belt.

FIG. 12 is an explanatory diagram showing a state in which the roll band is rewound from the outer peripheral side.

FIG. 13 is an explanatory diagram showing a lateral displacement of the drawn strip when the roll strip is rewound as in FIG.

FIG. 14 is an explanatory diagram showing, in a perspective view, an example of a usage mode of the drawn-out strip.

FIG. 15 is a side view of a conventional example.

FIG. 16 is a side view of a conventional example.

FIG. 17 is a side view of a conventional example.

FIG. 18 is a side view of a conventional example.

FIG. 19 is a side view of a conventional example.

FIG. 20 is a side view of a conventional example.

FIG. 21 is an explanatory diagram schematically showing an example of specific use of the roll band.

[Explanation of symbols]

 2 Roll strip 28 Jig (elastic member) 29 Slit 30 Winding core P Strip T Adhesive tape

Claims (6)

[Claims] 1. A roll band body is provided while pressing the outer circumference of the roll band body with an elastic member to increase the frictional force between the band bodies of the wound roll band body and prevent the roll band body from unraveling. The band is pulled out from the roll, and the pressing force of the elastic member is weakened as the outer diameter of the roll band becomes smaller according to the amount of pulling out of the band, and the loosening force of the roll band is changed by the pressing force of the elastic member. When the frictional force between the strips of a given roll strip is overcome, it is loosened from the core of the roll strip and the outer diameter of the roll strip is increased to increase the pressing force of the elastic member. The friction force between the strips of the roll strip provided by the pressing force of the elastic member and the unraveling force of the roll strip are balanced to stop the unrolling of the roll strip from the winding core. Make sure the bands of A method for pulling out a roll band, which comprises pulling out the band. 2. A frictional force between the strips of the wound roll band is increased by pressing the outer circumference of the roll band wound on a core provided with collars having flanges at both ends with an elastic member. Then, while preventing the roll band from unraveling, the band is pulled out from the roll band, and the pressing force of the elastic member is weakened as the outer diameter of the roll band becomes smaller according to the amount of pulling out of the band. However, when the unraveling force of the roll band overcomes the frictional force between the bands of the roll band given by the pressing force of the elastic member, it is loosened from the core of the roll band and the outer diameter of the roll band is changed. By increasing, the pressing force of the elastic member is strengthened, and the frictional force between the band members of the roll band member given by the increased pressing force of the elastic member,
By balancing with the unraveling force of the roll band, the outer diameter of the roll band when the unwinding from the winding core of the roll band is stopped should be equal to or less than the outer diameter of the above flange, and the roll bands should be in close contact with each other. A method for pulling out a roll band, which is characterized by pulling out the band. 3. A C-shaped elastic member formed of a material having an elastic force, the inner diameter of the elastic member being smaller than the outer diameter of the roll strip before use, and being smaller than the diameter of the winding core of the roll strip. A roll band drawing jig characterized by being large. 4. A C-shaped elastic member formed of a material having elastic force, the inner diameter of the elastic member being smaller than the outer diameter of the roll band body before use, and the diameter of the winding core of the roll band body being substantially equal. A jig for pulling out a roll band, which is characterized in that 5. A C-shaped elastic member formed of a material having an elastic force, the inner diameter of the elastic member being smaller than the outer diameter of the roll strip before use, and being smaller than the diameter of the winding core of the roll strip. A roll band drawing jig characterized by its small size. 6. The roll band drawing jig according to claim 3, wherein the outer peripheral surface of the elastic member is subjected to a surface treatment for facilitating peeling of the adhesive tape.