JPH0818733B2 - Core stripper - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a core stripper, and more particularly to a core stripper in which an adhesive tape is left on the side of a paper tube to separate the residual paper from the paper tube. .

[0002]

2. Description of the Related Art Conventionally, in a paper manufacturing plant or the like, a part of the paper left on the paper tube can be reused as a raw material for the paper stock, so that it is manually separated from the paper tube by using a tool such as a knife. .

[0003]

Therefore, there is a problem that it takes time and is inefficient.

In order to solve this problem, a core-striper which receives a paper tube with a residual paper, rotates the paper tube so as to peel the residual paper, and separates the residual paper from the paper core − Is considered.

However, in the case of a strong paper in which the end of the paper is wound around the paper tube via the adhesive tape, the adhesive tape adheres to the paper side when the remaining paper is separated from the paper tube. However, when the residual paper is reused as a raw material for paper, the adhesive tape has to be removed in a later step, which is time-consuming and inefficient.

In order to eliminate the above-mentioned conventional problems, the present invention uses an adhesive tape to wind the end of a paper around a paper tube and rewind a part of the remaining paper to remove the adhesive tape. It is an object of the present invention to provide a core stripper that remains on the side of the paper tube and separates the residual paper from the paper tube.

[0007]

In order to achieve the above object, in the core stripper of the present invention, a paper tube with a residual paper is received and the paper tube is rotated so as to remove the residual paper. A core stripper configured to separate the remaining paper from the paper tube by rotating means for rotating the paper tube so as to remove the remaining paper of the paper tube, and the paper tube by the rotating means. When rotating, the supporting member for supporting the paper tube, the feeding means for sending the remaining paper stripped from the paper tube by the rotating means to the discharge portion side, and the paper sheet peeled by the rotating means. A cutter that is located above the remaining paper and cuts the remaining paper is provided.

Further, in the core stripper of the present invention, the paper tube with the residual paper is received and the paper tube is rotated so as to remove the residual paper, and the residual paper is separated from the paper tube. In the core stripper, a rotating means for rotating the paper tube so as to remove the remaining paper of the paper tube, and a support for supporting the paper tube when rotating the paper tube by the rotating means. A member, and a feeding unit that feeds the remaining paper stripped from the paper tube by the rotating unit to the discharge unit side,
A cutter that is located on the residual paper stripped from the paper tube by the rotating means and cuts the residual paper; and when the residual paper of the paper tube reaches a predetermined amount, the residual paper is stripped off. A cutter moving means for bringing the cutter close to each other is provided.

Further, in the core stripper of the present invention, the paper tube with the residual paper is received and the paper tube is rotated so as to remove the residual paper, and the residual paper is separated from the paper tube. In the core stripper, a rotating means for rotating the paper tube so as to remove the remaining paper of the paper tube, and a support for supporting the paper tube when rotating the paper tube by the rotating means. A member, and a feeding unit that feeds the remaining paper stripped from the paper tube by the rotating unit to the discharge unit side,
A cutter that is located on the residual paper stripped from the paper tube by the rotating means and cuts the residual paper; and when the residual paper of the paper tube reaches a predetermined amount, the residual paper is stripped off. A cutter moving means for bringing the cutter closer to each other, and the cutter
Air is supplied to prevent the remaining paper from approaching
And a supply means.

[0010]

In the core stripper of the present invention, when the paper core is rotated by the rotating means, the residual paper of the paper core comes into contact with the supporting member, and the residual paper is peeled off from the paper core. The paper is sent to the discharge section side by the feeding means. When the remaining paper in the paper tube is exhausted, the remaining paper is pulled, the remaining paper comes into contact with the cutter, and the remaining paper is cut.

Further, in the core stripper of the present invention, when the paper core is rotated by the rotating means, the residual paper of the paper core comes into contact with the support member, and the residual paper is peeled off from the paper core. The remaining sheet is sent to the discharge section side by the feeding means. When the remaining amount of paper on the paper tube reaches a predetermined amount, the cutter approaches the remaining paper peeled off by the cutter moving means. After that, when the remaining paper of the paper tube is exhausted, the remaining paper is pulled and the remaining paper comes into contact with the cutter to cut the remaining paper.

Further, in the core stripper of the present invention, when the paper tube is rotated by the rotating means, the residual paper of the paper tube comes into contact with the support member, and the residual paper is peeled off from the paper tube. The remaining sheet is sent to the discharge section side by the feeding means. And
When the amount of remaining paper on the paper tube reaches a predetermined amount, the cutter approaches the remaining paper peeled off by the cutter moving means. With the cutter approaching the residual paper, air is supplied by the air supply means (see the air-blowing direction of the air supply means 15 in FIG. 4), and the residual paper does not approach the cutter and the paper flaps. Is being prevented. After that, when there is no remaining paper in the paper tube, the remaining paper is pulled against the air of the air supply means, the remaining paper comes into contact with the cutter, and the remaining paper is cut.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 is a core stripper.
Then, the core-stripper-1 winds the end of the paper around the paper tube 2 through an adhesive tape (not shown) and rewinds a part of the remaining paper 3 to attach the adhesive tape (not shown) to the paper tube 2. The remaining paper 3 remains on the side and separates the residual paper 3 from the paper core 2. Generally, the receiving portion 4 for receiving the paper core 2 with the residual paper 3 and the residual paper 3 from the accepted paper core 2 are peeled off. The rotating means 5 for rotating the paper tube 2 in this manner, the feeding means 6 for sending the residual paper 3 peeled from the paper tube 3 by the rotating means 5 to the discharge part side, and the rotating means 5 peeling from the paper tube 2 It is composed of a cutter 7 which is located on the residual paper 3 and cuts the residual paper, a paper tube 2 separated from the paper tube 2 with the residual paper 3 and discharge parts 8 and 9 for receiving the paper 3. There is.

The receiving portion 4 has an inclined guide 4a,
The tip 4b is pivotally supported, and the rod 4 of the cylinder-4d is
It rotates by c.

After detecting that there is no paper tube 2 on the rotating means 5 and the separated paper tube 2 is discharged to the discharging portion 8 by a photoelectric tube (not shown) or the like, the rod 4c of the cylinder-4d is retracted. 1, the front end 4b of the receiving portion 4 shown in FIG. 1 is rotated clockwise, and the paper tube 2 with the received residual paper 3 is rotated by the rotating means 5.
The paper tube 2 is supplied to the rotating means 5 while preventing the next paper tube 2 from moving to the rotating means 5.

The rotating means 5 rotates the paper tube 2 so that the remaining paper 3 of the paper tube 2 is peeled off. For example, the rotating means 5 contacts the paper tube 2 with the remaining paper 3 and the paper is passed through the belt 51. The tube 2 is rotated, and a support member 52 (for example, a roller) that supports the paper tube 2 when the paper tube 2 is rotated by the rotating means 5 is provided on the rotating means 5.

The belt 51 transmits the driving force of the motor 53 to the transmission member 54.
Is transmitted through.

Reference numeral 6 denotes a feeding means, which feeds the residual paper 3 peeled from the paper tube 2 by the rotating means 5 to the discharging section 9 side. The feeding means 6 is, for example, from the paper tube 2. The peeled residual paper 3 is held and rotated to be fed out, and this is performed by a belt 51 that drives the lower side and a roller 61 that drives the upper side.

In this embodiment, the driving belt 51 is also used as the rotating means 5 and part of the feeding means 6, but it may be separated and independent.

A cutter 7 is positioned on the residual paper 3 peeled from the paper tube 2 by the rotating means 5 to cut the residual paper 3.

The discharge parts 8 and 9 are separated from the paper tube 2 and the paper 3, respectively.
The receiving part 8 is located below the receiving part 4, and the discharging part 9 is located on the side opposite to the receiving part 4.

Therefore, first, in the core stripper-1, a forklift (not shown) or the like is used to put a plurality of paper tubes 2 with residual paper 3 in the receiving portion 4 in a right-handed state. so,
Put in.

When the paper tube 2 with the residual paper 3 is received by the receiving portion 4, it is detected that the paper tube 2 with the residual paper 3 is not supported by the rotating means 5 by a photoelectric tube (not shown) and the rotating means. When the phototube (not shown) or the like detects that the paper tube 2 separated in 5 is discharged to the discharge section 8, the tip 4b of the receiving section 4 (the tip 4b of the receiving section 4 in FIG. 1 rotates to the right). ) It rotates and supplies the paper tube 2 with the remaining paper 3 from the receiving part 4 to the rotating means 5.

When the paper tube 2 with the remaining paper 3 is supported by the rotating means 5, this is detected by a photoelectric tube or the like (not shown), and the motor is used.
53 is rotated by a timer (not shown) for a certain period of time (so that the paper 3 is separated from the paper tube 2;
When the paper tube 2 is rotated by the rotating means 5, the remaining paper 3 of the paper tube 2 comes into contact with the support member 52, the remaining paper 3 is peeled from the paper tube 2, and the remaining paper is peeled off. As shown in FIG. 1, the sheet 3 is sent to the discharging section 9 side by the sending means 6.

After that, when the remaining paper 3 of the paper tube 2 is exhausted, as shown in FIG. 2, the remaining paper 3 is pulled, the remaining paper 3 contacts the cutter 7, and the remaining paper 3 is cut.

When the remaining paper 3 is cut, a photoelectric tube (not shown) detects it and stops the motor 53. The paper tube 2 that was rotating counterclockwise (the paper tube with the adhesive tape (not shown) remaining)
Due to the inertia, it rolls to the left and is guided to the discharge portion 8 side.

After that, it is detected that the paper tube 2 with the residual paper 3 is not supported by the rotating means 5 by a photoelectric tube (not shown), and the paper tube 2 separated by the rotating means 5 is discharged to the discharging portion 8. Is detected by a photoelectric tube (not shown) or the like, the tip 4b of the receiving portion 4 is rotated (the tip 4b of the receiving portion 4 in FIG. 1 is rotated to the right).
When rotated, the paper tube 2 with the remaining paper 3 is supplied from the receiving portion 4 to the rotating means 5, and thereafter, the same operation as described above is repeated.

As a result, the paper 3 partially remaining in the paper tube 2 is replaced by the paper 3
And the adhesive tape (not shown) is separated into the remaining paper tube 2,
The paper tube 2 is discharged to the discharge unit 8, and the paper 3 is discharged to the discharge unit 9.

In the above-described embodiment, the residual paper may be largely corrugated at the initial stage of rotating the paper tube 2 by the rotating means 5. In such a case, the largely corrugated residual paper 3 hits the cutter 7. There is a drawback that the residual paper 3 is cut during the separation due to contact. Therefore, in the core stripper-1 shown in FIGS. 3 and 4, when the residual paper 3 of the paper tube 2 reaches a predetermined amount, the cutter 7 moves the cutter 7 closer to the peeled residual paper 3.
A moving means 10 is provided to eliminate the above defects.

In FIGS. 3 and 4, reference numeral 1 is a core stripper, and the core stripper-1 is wound around the paper tube 2 through an adhesive tape (not shown) at the end of the paper and remains partially. The paper 3 is rewound and an adhesive tape (not shown) remains on the side of the paper tube 2 to separate the residual paper 3 from the paper tube 2. Generally, the paper tube 2 with the residual paper 3 is attached. The receiving unit 4 that receives the paper, the rotating unit 5 that rotates the paper tube 2 so as to remove the residual paper 3 from the received paper tube 2, and the residual paper 3 that is peeled from the paper tube 2 by the rotating unit 5 to the discharging unit 9 side. Is separated from the paper tube 2 with the remaining paper 3, and the feeding means 6 for feeding the paper to the paper, the cutter 7 positioned on the residual paper 3 peeled from the paper tube 2 by the rotating means 5 and cutting the residual paper. It is composed of a paper tube 2 and discharge units 8 and 9 for receiving the paper 3.

The receiving portion 4 has an inclined guide 4a,
The tip 4b is pivotally supported, and the rod 4 of the cylinder-4d is
It rotates by c.

After detecting that there is no paper tube 2 on the rotating means 5 and the separated paper tube 2 is discharged to the discharge portion 8 by a photoelectric tube (not shown) or the like, the rod 4c of the cylinder-4d is moved to the position shown in FIG. The remaining sheet 3 received from the state described is operated as shown in the state shown in FIG. 3 to rotate the tip 4b clockwise.
The paper tube 2 with the attached paper is supplied to the rotating means 5 and the movement of the next paper tube 2 to the rotating means 5 is blocked (see FIG. 3). Supply to 5.

The rotating means 5 rotates the paper tube 2 so that the remaining paper 3 of the paper tube 2 is peeled off. For example, the rotating means 5 contacts the paper tube 2 with the remaining paper 3 and the paper is passed through the belt 51. The tube 2 is rotated, and a supporting member 52 (for example, a roller) that supports the paper tube 3 when the paper tube 2 is rotated by the rotating means 5 is provided on the rotating means 5.

The belt 51 transmits the driving force of the motor 53 to the transmission member 54.
Is transmitted through.

Reference numeral 6 denotes a feeding means, which feeds the residual paper 3 peeled from the paper tube 2 by the rotating means 5 to the discharge side. The feeding means 6 is peeled from the paper tube 2, for example. The remaining paper 3 is held and is rotated and fed out. This is performed by a belt 51 that drives the lower side and a roller 61 that drives the upper side.

In this embodiment, the driving belt 51 is also used as the rotating means 5 and a part of the feeding means 6, but it may be separated and independent.

A cutter 7 is positioned on the residual paper 3 peeled from the paper tube 2 by the rotating means 5 to cut the residual paper 3.

With the cutter moving means 10, the cutter 7 can adjust the distance between the cutter 7 and the remaining paper 3 to be near or far.

The cutter moving means 10 has a predetermined amount of remaining paper 3 of the paper tube 2 (for detecting a predetermined amount, a photoelectric tube (not shown) is provided on the side of the paper tube 2 so that the remaining paper 3 is small on the paper tube 2 side. May be detected directly, or the motor 53 for driving the belt 51 may be indirectly controlled by a timer (not shown).), The cutter 7 is attached to the peeled residual paper 3. Bring them closer.

Specifically, a link 13 provided at the tip of the rod 12 of the cylinder 11 is provided with a cutter support member 14 for supporting the cutter 7, and the cylinder 11 is operated to make the point A a fulcrum. 13 may be rotated.

FIG. 3 shows a state in which the cutter 7 is away from the residual paper 3, and FIG. 4 shows a state in which the cutter 7 is close to the residual paper 3.

Remaining paper 3 peeled off by the cutter-moving means 10
When the cutter 7 is close to the sheet, the residual paper 3 may be wavy for some reason.

When the residual paper 3 is wavy, the residual paper comes into contact with the cutter 7 and the residual paper 3 is cut during the separation, which is a disadvantage.

In order to eliminate this inconvenience, a cutter 7
Further, an air supply means 15 for supplying air so that the remaining paper 3 does not approach is provided in the vicinity of the cutter support member 14, for example.

The discharge sections 8 and 9 are provided with the separated paper tube 2 and paper 3 respectively.
The receiving part 8 is located below the receiving part 4, and the discharging part 9 is located on the side opposite to the receiving part 4.

Therefore, first, in the core stripper-1, a forklift (not shown) or the like is used to put a plurality of paper tubes 2 with residual paper 3 in the receiving portion 4 in a right-handed state. so,
Put in.

When the paper tube 2 with the residual paper 3 is received by the receiving portion 4, it is detected that the paper tube 2 with the residual paper 3 is not supported by the rotating means 5 by the photoelectric tube (not shown) and the rotating means. When the phototube (not shown) or the like detects that the paper tube 2 separated in 5 is discharged to the discharge section 8, the tip 4b of the receiving section 4 is rotated from the state of FIG. 4 to the state of FIG. The paper tube 2 with the remaining paper 3 is supplied from the receiving portion 4 to the rotating means 5.

When the paper tube 2 with the remaining paper 3 is supported by the rotating means 5, this is detected by a photoelectric tube or the like (not shown), and the motor is
53 is rotated by a timer (not shown) for a certain period of time (so that the paper 3 is separated from the paper tube 2;
When the paper tube 2 is rotated by the rotating means 5, the remaining paper 3 of the paper tube 2 comes into contact with the support member 52, the remaining paper 3 is peeled from the paper tube 2, and the remaining paper is peeled off. As shown in FIG. 3, the sheet 3 is sent to the discharging section 9 side by the sending means 6.

A predetermined amount of the remaining paper 3 on the paper tube 2 is detected (for detecting the predetermined amount, a photoelectric tube (not shown) is provided on the side of the paper tube 2 to directly detect that the remaining paper 3 is small on the paper tube 2 side. Ok,
Further, a motor 53 for driving the belt 51 is provided with a timer (not shown).
It may be indirectly controlled by. ), The cutter
The cutter 7 approaches the residual paper 3 peeled off by the moving means 10 (see FIG. 4).

With the cutter 7 approaching the residual paper 3, air is supplied by the air supply means 15 so that the residual paper 3 does not approach the cutter 7. After that, when the remaining paper 3 of the paper tube 2 is exhausted, the remaining paper 3 is pulled against the air of the air supply means 15 as shown in FIG.
The remaining paper 3 is cut in contact with 7. (It is desirable to provide the air supply means 15, but it may be omitted if necessary.) When the remaining paper 3 is cut, a photoelectric tube (not shown) detects this and stops the motor 53. . Paper tube 2 that was rotating counterclockwise (paper tube with adhesive tape (not shown) remaining)
Rolls to the left due to its inertia and is guided to the discharge portion 8 side.

When the paper tube 2 is sent to the discharge section 8 side,
The tip 4b of the receiving portion 4 is in the state shown in FIG.

After that, the fact that the paper tube 2 with the remaining paper 3 is not supported by the rotating means 5 by the photoelectric tube (not shown) and the paper tube 2 separated by the rotating means 5 is discharged to the discharge portion 8 (Not shown) etc., the tip 4b of the receiving part 4
4 is rotated from the state of FIG. 4 to the state of FIG. 3, the paper tube 2 with the residual paper 3 is supplied from the receiving portion 4 to the rotating means 5, and thereafter, the same operation as described above is repeated.

As a result, the paper 3 partially remaining on the paper tube 2 is replaced by the paper 3
And the adhesive tape (not shown) is separated into the remaining paper tube 2,
The paper tube 2 is discharged to the discharge unit 8, and the paper 3 is discharged to the discharge unit 9.

[0054]

In the core stripper of the present invention, when the paper core is rotated by the rotating means, the residual paper of the paper core comes into contact with the support member, and the residual paper is peeled off from the paper core. The remaining paper is sent to the discharge side by the feeding means, and when there is no remaining paper in the paper core, the remaining paper is pulled, the remaining paper comes into contact with the cutter, the remaining paper is cut, and the adhesive tape is attached. Remains on the side of the paper tube,
The remaining paper can be separated from the paper tube.

In the above-mentioned invention, the residual paper may be largely corrugated at the initial stage of rotating the paper tube by the rotating means. In such a case, the largely corrugated residual paper comes into contact with the cutter and is in the middle of separation. However, in the core stripper of the present invention, when the remaining amount of the remaining paper of the paper tube reaches a predetermined amount, the cutter moving means that causes the cutter to approach the peeled remaining paper. Can be provided to eliminate the above defects.

That is, in the core stripper of the present invention, when the paper core is rotated by the rotating means, the residual paper of the paper core comes into contact with the supporting member, and the residual paper is peeled from the paper core, and the residual paper peeled off. Is sent to the discharge section side by the feeding means, and when the remaining amount of paper in the paper tube reaches a predetermined amount, the cutter approaches the remaining paper peeled by the cutter moving means, and then the remaining paper of the paper tube disappears. Then, the residual paper is pulled, the residual paper comes into contact with the cutter and the residual paper is cut, the adhesive tape remains on the side of the paper tube, and the residual paper can be separated from the paper tube.

In the above invention, when the cutter is close to the residual paper peeled off by the cutter moving means, the residual paper may undulate for some reason. The core stripper of the present invention has a drawback that it contacts the cutter and the remaining paper is cut during the separation.
In order to prevent the remaining paper from approaching the cutter,
It is possible to eliminate the above-mentioned defects by providing air-supplying means for supplying.

That is, in the core stripper of the present invention, when the paper core is rotated by the rotating means, the residual paper of the paper core comes into contact with the supporting member, and the residual paper peels off from the paper core. The remaining paper is sent to the discharge side by the feeding means, and when the remaining paper on the paper tube reaches a predetermined amount, the cutter approaches the remaining paper peeled by the cutter moving means, but the cutter leaves the remaining paper. In the state where the remaining paper is close to the
Since the air is supplied so that it does not come close to the sheet, cutting due to erroneous operation due to corrugation of the residual paper is prevented. As a result, the residual paper comes into contact with the cutter to cut the residual paper, and the adhesive tape remains on the side of the paper tube, so that the residual paper can be separated from the paper tube.

[Brief description of drawings]

FIG. 1 is a side view schematically showing a core-stripper according to an embodiment of the present invention.

FIG. 2 is a side view schematically showing a state in which the residual paper of the paper tube shown in FIG. 1 is rewound and the residual paper is pulled and is in contact with the cutter.

FIG. 3 is a side view schematically showing a core-stripper according to another embodiment of the present invention.

FIG. 4 is a side view schematically showing a state where the residual paper of the paper tube shown in FIG. 3 is rewound and the residual paper is pulled and is in contact with the cutter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 core stripper 2 paper tube 3 paper 4 receiving part 5 rotating means 6 feeding means 7 cutter 10 cutter moving means 15 air supply means 52 support member

Claims (3)

[Claims] 1. A core stripper adapted to receive a paper tube with a residual paper and rotate the paper tube so as to remove the residual paper to separate the residual paper from the paper tube.
Rotating means for rotating the paper tube so as to remove the remaining paper of the paper tube, a supporting member for supporting the paper tube when the paper tube is rotated by the rotating means, and the paper tube by the rotating means. Feeding means for sending the remaining paper peeled off from the paper to the discharge part side, a cutter positioned on the residual paper peeled off from the paper tube by the rotating means for cutting the remaining paper, and the remaining paper. Is wrapped around the paper tube via an adhesive tape, and when the remaining paper of the paper tube is exhausted, the remaining paper comes into contact with the cutter to cut the remaining paper, and the adhesive tape is cut. A core stripper, wherein a strip remains on the side of the paper tube to separate the residual paper from the paper tube. 2. A core stripper adapted to receive a paper tube with residual paper and rotate the paper tube so as to remove the residual paper, thereby separating the residual paper from the paper tube.
Rotating means for rotating the paper tube so as to remove the remaining paper of the paper tube, a supporting member for supporting the paper tube when the paper tube is rotated by the rotating means, and the paper tube by the rotating means. Feeding means for sending the remaining paper peeled off from the paper tube to the discharge part side, a cutter positioned on the residual paper peeled from the paper tube by the rotating means for cutting the residual paper, and the paper tube When the remaining amount of the remaining paper reaches a predetermined amount, the cutter moving means for bringing the cutter closer to the peeled remaining paper and the end of the remaining paper are wound around the paper tube via an adhesive tape. When the amount of the remaining paper in the paper tube reaches a predetermined amount, the cutter moves to the cutter to approach the remaining paper, and when the remaining paper in the paper tube is exhausted, the remaining paper is removed by the cutter. -Remaining paper is cut in contact with-, and the adhesive tape remains on the side of the paper tube. Te core is characterized in that so as to separate the remaining paper from the paper tube - stripper -. 3. A core stripper adapted to receive a paper tube with a residual paper and rotate the paper tube so as to remove the residual paper to separate the residual paper from the paper tube.
Rotating means for rotating the paper tube so as to remove the remaining paper of the paper tube, a supporting member for supporting the paper tube when the paper tube is rotated by the rotating means, and the paper tube by the rotating means. Feeding means for sending the remaining paper peeled off from the paper tube to the discharge part side, a cutter positioned on the residual paper peeled from the paper tube by the rotating means for cutting the residual paper, and the paper tube When the remaining amount of the remaining paper reaches a predetermined amount, a cutter moving means for bringing the cutter closer to the peeled remaining paper, and an air supply means for supplying air so that the remaining paper does not approach the cutter. And the end of the remaining paper is an adhesive tape.
When the amount of the remaining paper of the paper tube reaches a predetermined amount, the cutter is moved to the remaining paper by the cutter moving means, and further, the remaining paper of the paper tube is wound. When the remaining paper runs out, the remaining paper comes into contact with the cutter against the air of the air supply means and the remaining paper is cut, and the adhesive tape remains on the paper tube side. A core stripper, wherein the remaining paper is separated from the paper tube.