JP2012153066A - Device and method for manufacturing sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device and method for manufacturing a sheet capable of surely manufacturing an original fabric in which an adhesive sheet of high quality is properly temporarily attached to a release sheet.SOLUTION: The device 1 of manufacturing the sheet includes: a first feeding means 10 for feeding a first original fabric R1; a cutter 20 for cutting the first original fabric R1 into a predetermined shape to form the adhesive sheet S1 and a release sheet cut portion RL1A; a first separating means 30 for separating an unnecessary sheet S2 and a release sheet surrounding portion RL1B from a second release sheet RL2 to form a second original fabric R2; a second separating means 40 for separating the release sheet cut portion RL1A from the adhesive sheet S1 of the second original fabric R2; a second feeding means 60 for feeding a third release sheet RL3; a transfer roller 70 temporarily attaching the third release sheet RL3 to the adhesive sheet S1 via an adhesive agent layer AD to form a third original fabric R3; and a first recovery means 80 for separating the second release sheet RL2 from the third original fabric R3 to form a fourth original fabric R4.

Description

  The present invention relates to a sheet manufacturing apparatus and a manufacturing method for manufacturing an original fabric in which an adhesive sheet having a predetermined shape is temporarily attached to a release sheet via an adhesive layer.

  2. Description of the Related Art Conventionally, a sheet manufacturing apparatus that manufactures an adhesive sheet having a predetermined shape by forming a cut with a cutting blade with respect to an original fabric in which a belt-shaped adhesive sheet is temporarily attached to a release sheet (for example, a patent) Reference 1).

  In the configuration described in Patent Document 1, the label raw material is separated into a mount and a label material, and the mount is bypassed, and the label material is removed from the pressure-sensitive adhesive layer side while being sucked by the vacuum means. By doing so, a label piece and a scraping part are formed. Then, after reattaching the label piece and the scraped part to the detoured mount, only the scraped part is peeled off by the scraping guide roller to produce a pressure-sensitive adhesive label in which only the label piece remains on the mount. is doing.

JP-A-9-254282

  However, even if a peelable material layer is provided on the outer periphery of the die-cut roll as in Patent Document 1, the label piece rarely adheres to the peelable material layer, and the pressure sensitive adhesive label is partially lost. Or a pressure-sensitive adhesive label in which a label piece adhered to a peelable material layer is laminated on another label piece. Such a problem appears remarkably when the peelable material layer deteriorates with time.

  The objective of this invention is providing the sheet manufacturing apparatus and manufacturing method which can manufacture reliably the raw material by which the high quality adhesive sheet was suitably temporarily attached to the peeling sheet.

  In order to achieve the object, the sheet manufacturing apparatus of the present invention temporarily attaches a strip-shaped first release sheet to the adhesive layer side of a strip-shaped adhesive sheet having an adhesive layer on one surface of the strip-shaped base sheet. And a first feeding means for feeding out the first original fabric in which a belt-like second release sheet is temporarily attached to the other surface of the base sheet, and the first exfoliation in the first original fabric fed out. From the sheet-side adhesive sheet, a slit having a predetermined shape that penetrates the belt-like adhesive sheet and does not penetrate the second release sheet is formed, and the adhesive sheet having a predetermined shape is formed from the belt-like adhesive sheet. Cutting means for forming a release sheet cutting portion having the same shape as the adhesive sheet, a release sheet peripheral portion formed around the release sheet cutting portion, and an unnecessary sheet formed around the adhesive sheet A first peeling means for peeling the second release sheet to form a second original fabric in which the adhesive sheet and the release sheet cutting portion are temporarily attached to the second release sheet; and the adhesion of the second original fabric A second peeling means for peeling the release sheet cutting portion from the sheet; a second feeding means for feeding a strip-like third release sheet; and an adhesive layer of the adhesive sheet from which the release sheet cutting portion has been peeled. A configuration is adopted in which a transfer means for temporarily attaching the third release sheet fed by the feeding means and forming a third original fabric is provided.

At this time, the sheet manufacturing apparatus of the present invention includes a third peeling unit that peels off the second release sheet temporarily attached to the adhesive sheet from the third original fabric to form a fourth original fabric. Is preferred.
Furthermore, in the sheet manufacturing apparatus of the present invention, the second peeling means includes a peripheral part peeling means for peeling the peripheral part of the release sheet from the adhesive layer of the unnecessary sheet peeled by the first peeling means, and the peeling. An adhesive peeling means for adhering the adhesive layer of the unnecessary sheet from which the peripheral portion of the sheet has been peeled off to the release sheet cutting portion of the second original fabric, and peeling the release sheet cutting portion from the adhesive sheet; It is preferable.
Furthermore, in the sheet manufacturing apparatus of the present invention, the peripheral part peeling means folds the unnecessary sheet from which the peripheral part of the release sheet has been peeled back in a direction approaching the release sheet cutting part of the second original fabric, It is preferable that the peeling unit includes a guiding unit that twists the folded unnecessary sheet so that the adhesive layer of the unnecessary sheet can be bonded to the cut portion of the peeling sheet.

  On the other hand, in the sheet manufacturing method of the present invention, the belt-shaped first release sheet is temporarily attached to the adhesive layer side of the belt-shaped adhesive sheet having an adhesive layer on one surface of the belt-shaped base sheet, and the base A step of feeding out the first original fabric in which the second strip-like release sheet is temporarily attached to the other surface of the material sheet, and the first adhesive strip is passed through the first adhesive strip from the first release sheet side. And forming a notch of a predetermined shape not penetrating the second release sheet, forming an adhesive sheet of a predetermined shape from the strip-shaped adhesive sheet, and releasing the same shape as the adhesive sheet from the first release sheet A step of forming a cut portion, a release sheet peripheral portion formed around the release sheet cut portion and an unnecessary sheet formed around the adhesive sheet are peeled from the second release sheet, A step of forming a second original fabric in which the adhesive sheet and the release sheet cutting portion are temporarily attached to a second release sheet; a step of peeling the release sheet cutting portion from the adhesive sheet of the second original fabric; A step of feeding the strip-shaped third release sheet, and a step of temporarily attaching the fed third release sheet to the adhesive layer of the adhesive sheet from which the release sheet cutting portion has been peeled to form a third original fabric The structure of being equipped with is adopted.

  According to the present invention as described above, since the adhesive sheet is formed by forming a cut that does not penetrate the second release sheet over the first release sheet, the adhesive sheet adheres to the cutting means and is partially bonded. It is possible to prevent production of an original fabric in which a sheet is lost or an adhesive sheet is laminated, and an original fabric in which a high-quality adhesive sheet is appropriately temporarily attached to a release sheet can be reliably produced.

Moreover, since the 4th original fabric which peeled the 2nd release sheet from the 3rd original fabric is formed, the 2nd release sheet which is not especially necessary when using the 4th original fabric can be excluded beforehand, and it is convenient. A good 4th original fabric can be manufactured.
Furthermore, since the release sheet cutting part is adhered to the unnecessary sheet and the release sheet cutting part is peeled off from the adhesive sheet, the waste sheet can be effectively used, and the structure has a dedicated function for peeling the release sheet cutting part. There is no need to prepare separately.
Further, if the adhesive layer is made to face the peeled sheet cutting portion by folding and twisting the unnecessary sheet, it is not necessary to complicate the apparatus.

The side view of the sheet manufacturing apparatus which concerns on embodiment of this invention. (A) is a top view when the peeling sheet cutting part peeled from the adhesive sheet is adhere | attached on the unnecessary sheet | seat, (B) is sectional drawing of (A).

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In the embodiment, unless otherwise specified, terms indicating directions such as “up”, “down”, “left”, “right”, “front”, and “back” are used with reference to FIG.
In FIG. 1, the first original fabric R <b> 1 is temporarily attached with a strip-shaped first release sheet RL <b> 1 on the adhesive layer AD side of the strip-shaped adhesive sheet S having the adhesive layer AD on one surface of the strip-shaped base sheet BS. In addition, the second release sheet RL2 is temporarily attached to the other surface of the base sheet BS by known pseudo-adhesion. In the first release sheet RL1, a release treatment layer RT where the adhesive layer AD is easily peeled off is formed on one surface of the release substrate RB. The sheet manufacturing apparatus 1 cuts the belt-like adhesive sheet S into a predetermined shape to form an adhesive sheet S1, and temporarily attaches a third release sheet RL3 to the adhesive layer AD side of the adhesive sheet S1 to provide a fourth original fabric R4. Is formed. The third release sheet RL3 also has a configuration in which a release treatment layer is formed on one surface of a release substrate (not shown).

  The sheet manufacturing apparatus 1 includes a first feeding unit 10 that feeds the first original fabric R1, a cutting unit 20 that cuts the first original fabric R1 into a predetermined shape to form an adhesive sheet S1 and a release sheet cutting portion RL1A, and a first The first peeling means 30 for peeling the unnecessary sheet S2 and the peeling sheet surrounding portion RL1B from the peeling sheet RL2 to form the second original fabric R2, and the peeling sheet cutting portion RL1A from the adhesive sheet S1 of the second original fabric R2 The second peeling means 40, the second feeding means 60 for feeding out the third peeling sheet RL3, and the third peeling sheet RL3 fed out are temporarily attached to the adhesive sheet S1 via the adhesive layer AD, and the third original A transfer roller 70 as transfer means for forming the anti-R3, and a first exfoliation means as third release means for forming the fourth original fabric R4 by peeling and winding the second release sheet RL2 from the third original fabric R3. It includes a yield means 80, and a second recovery unit 90 for winding the fourth raw R4.

  The first feeding means 10 is driven by a rotation motor 11 as a drive device, and is driven by a support roller 12 that winds and supports the first original fabric R1 and a rotation motor 13 as a drive device, and the support roller 12 A drive roller 14 that guides the first original fabric R1 drawn out from the left direction, and a pinch roller 15 that sandwiches the first original fabric R1 between the drive roller 14 and the first original fabric R1 in the left direction. Pull out.

  The cutting means 20 includes a die cut roller 23 having a cutting blade 22 driven by a rotation motor 21 as a driving device. The cutting blade 22 can form a cut C (see FIG. 2A) that penetrates the first release sheet RL1 and the strip-shaped adhesive sheet S and does not penetrate the second release sheet RL2 from the first release sheet RL1 side. It is configured. Thereby, the adhesive sheet S1 is formed inside the cut C in the belt-like adhesive sheet S, and the unnecessary sheet S2 is formed outside the cut C. Further, a release sheet cutting portion RL1A having the same shape as the adhesive sheet S1 is formed inside the cut C in the first release sheet RL1, and a release sheet surrounding portion RL1B is formed outside the cut C.

  The first peeling means 30 includes a platen roller 32 that is disposed opposite to the die cut roller 23 with the first original fabric R1 interposed therebetween and is driven by a rotation motor 31 as a driving device. The platen roller 32 rotates in synchronization with the die-cutting roller 23 and peels the unnecessary release sheet S2 and the release sheet surrounding portion RL1B from the second release sheet RL2 by conveying the second release sheet RL2 in a folded state. Thus, a second original fabric R2 is formed in which the adhesive sheet S1 having a predetermined shape and the release sheet cutting portion RL1A are temporarily attached to the belt-like second release sheet RL2 at a predetermined interval.

  The second peeling means 40 includes a peeling roller 41 as a peripheral part peeling means for peeling the unnecessary sheet S2 from the peeling sheet peripheral part RL1B, a guiding roller 42 as a guiding means for twisting the peeled unnecessary sheet S2, and a guiding roller 42. A pressure roller 44 as an adhesive peeling means for bonding the adhesive layer AD of the unnecessary sheet S2 twisted by the adhesive sheet AD to the release sheet cutting portion RL1A of the second original fabric R2 and peeling the release sheet cutting portion RL1A from the adhesive sheet S1; The third recovery means 45 recovers the unnecessary sheet S2 to which the release sheet cutting part RL1A is bonded, and the fourth recovery means 50 recovers the release sheet peripheral part RL1B peeled off by the release roller 41.

The peeling roller 41 is provided on the left side of the first peeling means 30 and at a predetermined distance so as to be rotatable about a rotation axis extending in a direction orthogonal to the plane of FIG. 1 (from the back side to the near side), and an adhesive layer The unnecessary sheet S2 conveyed so that the AD is positioned on the lower side is folded back to the right side and guided to the guide roller 42 so that the adhesive layer AD is positioned on the upper side.
The guide roller 42 is provided on the upper right side of the peeling roller 41 so as to be rotatable about a rotation axis extending from the right back side to the left front side in FIG. 1 and guided so that the adhesive layer AD is positioned on the upper side. By twisting the sheet S2, it is guided to the pressing roller 44 so that the adhesive layer AD is positioned on the lower side.

  The pressing roller 44 is provided so as to be rotatable about a rotation axis parallel to the rotation axis of the platen roller 32, and folds the unnecessary sheet S2 conveyed so that the adhesive layer AD is positioned on the lower side. By this folding, the adhesive layer AD of the unnecessary sheet S2 is adhered to the release sheet cutting portion RL1A, and the release sheet cutting portion RL1A is guided to the left side together with the unnecessary sheet S2.

The third collecting means 45 includes a driving roller 47 driven by a rotation motor 46 as a driving device, a pinch roller 47A that sandwiches the unnecessary sheet S2 and the release sheet cutting portion RL1A between the driving roller 47, and a driving device. And a recovery roller 49 that recovers the unnecessary sheet S2 and the release sheet cutting portion RL1A.
The fourth collecting means 50 is disposed opposite to the peeling roller 41, and is driven by a rotation motor 51 as a driving device, and a driving roller 52 that conveys the peeling sheet peripheral portion RL1B peeled by the peeling roller 41 in the lower left direction, A recovery roller 54 is provided that winds and recovers the release sheet peripheral portion RL1B by driving of a rotation motor 53 as a drive device.

  The second feeding means 60 is provided on the upper left of the first peeling means 30 and feeds the third peeling sheet RL3 in parallel with the adhesive sheet S1 conveyed in the right direction by the first peeling means 30. The second feeding means 60 includes a support roller 62 and a guide roller 64 that are driven by a rotation motor 61 as a driving device and wind and support the third release sheet RL3.

  The transfer roller 70 is provided above the platen roller 32 and is adhesively attached to the third release sheet RL3 and the second release sheet RL2 that are fed between the platen roller 32 by the second feeding means 60. By sandwiching and pressing S1, the third release sheet RL3 is temporarily attached to the adhesive layer AD of the adhesive sheet S1 to form the third original fabric R3.

The first recovery means 80 is rotated by a peeling roller 81 that peels the second release sheet RL2 from the third original fabric R3 to form the fourth original fabric R4, and a rotation motor 82 as a driving device, and is rotated by the second release sheet. And a collection roller 83 that collects RL2.
The second collection means 90 includes a guide roller 92 disposed opposite to the peeling roller 81 and a collection roller 94 that is driven by a rotation motor 93 as a drive device and collects the fourth original fabric R4.

In the sheet manufacturing apparatus 1 described above, as a procedure for manufacturing the fourth original fabric R4, first, as shown in FIG. 1, the first original fabric R1 is set on the support roller 12, and between the drive roller 14 and the pinch roller 15 To hold. Next, the second release sheet RL <b> 2 is peeled from the belt-like adhesive sheet S below the platen roller 32, folded back to the right along the platen roller 32, spanned on the release roller 81, and set on the collection roller 83. Then, the strip-shaped adhesive sheet S is peeled off from the first release sheet RL1 by the release roller 41, is laid over the guide roller 42, the pressure roller 44, and the guide roller 47, and is set on the collection roller 49, and the first release sheet. RL1 is set on the collection roller 54. Further, the third release sheet RL3 is bridged between the support roller 62 and the collection roller 94.
In this state, the rotation motors 11 and 13 are driven, the support roller 12 and the drive roller 14 are rotated to feed out the first original fabric R1, and the rotation motors 21, 31 and 31 are synchronized with the rotation motors 14 and 15, respectively. By driving 46, 48, 51, 53, 82, the die cut roller 23, the platen roller 32, the guide roller 47, the collection roller 49, the drive roller 52, and the collection rollers 54, 83 are driven to rotate. Further, the rotation motors 61 and 93 are driven, the support roller 62 and the collection roller 94 are rotated, and the third release sheet RL3 is fed from the support roller 62 toward the collection roller 94.

The unrolled first original fabric R1 is sandwiched between the die cut roller 23 and the platen roller 32, and the cutting blade 22 forms a cut C in the first release sheet RL1 and the strip-shaped adhesive sheet S, and the adhesive sheet S1. And a release sheet cutting portion RL1A is formed.
Unnecessary sheet S2 and release sheet peripheral portion RL1B are peeled from second release sheet RL2 by being conveyed leftward by drive roller 52, and adhesive sheet S1 and release sheet cutting portion RL1A are temporarily attached to second release sheet RL2. The second original fabric R2 is formed by being sequentially conveyed upward along the platen roller 32 while being worn.

  Then, the unnecessary sheet S2 is conveyed to the driving roller 52 together with the release sheet peripheral portion RL1B, and is peeled from the release sheet peripheral portion RL1B by being folded rightward by the release roller 41, and subsequently guided to the guide roller 42 to be guided. While being twisted along the roller 42, it is guided to the pressing roller 44. Since the unnecessary sheet S <b> 2 is folded back by the pressing roller 44, the adhesive layer AD is in a state of facing the platen roller 32 and can be bonded to the second original fabric R <b> 2 conveyed by the platen roller 32. On the other hand, the release sheet peripheral portion RL1B is collected by the collection roller 54.

In the second original fabric R2 conveyed by the platen roller 32, the unnecessary sheet S2 is adhered to the release sheet cutting portion RL1A via the adhesive layer AD by the pressing roller 44. As the platen roller 32 and the pressing roller 44 rotate, the release sheet cutting portion RL1A bonded to the unnecessary sheet S2 is released from the adhesive sheet S1, guided leftward, and collected by the collection roller 49.
At this time, as shown in FIGS. 2A and 2B, the release sheet cutting portion RL1A having the same shape as the cut C has a width direction of the unnecessary sheet S2 relative to the cut C of the unnecessary sheet S2 (FIG. 2 ( A) and a position shifted in the longitudinal direction (left and right direction in FIG. 2A). By setting such an adhesion position, the release sheet cutting portion RL1A can be reliably recovered.

On the other hand, the adhesive sheet S1 from which the release sheet cutting portion RL1A has been peeled is conveyed so as to be folded rightward along the platen roller 32, and is separately conveyed by the transfer roller 70 and the platen roller 32. It is sandwiched with RL3 and temporarily attached to the third release sheet RL3. The 3rd original fabric R3 formed by this temporary attachment is conveyed rightward.
Then, the second release sheet RL <b> 2 of the third original fabric R <b> 3 is peeled off from the adhesive sheet S <b> 1 by being guided in the lower right direction by the release roller 81 and recovered by the recovery roller 83. By collecting the second release sheet RL2, a fourth original fabric R4 in which a plurality of adhesive sheets S1 are temporarily attached to the third release sheet RL3 at a predetermined interval is formed, and the fourth original fabric R4 is recovered by the recovery roller 94. Is done.

  According to the above embodiment, the adhesive sheet S1 is formed by forming the notch C that does not penetrate the second release sheet RL2 over the first release sheet RL1, so that the adhesive sheet S1 adheres to the die cut roller 23. Therefore, it is possible to prevent the adhesive sheet S1 from being partially lost or to be manufactured by overlapping the adhesive sheet S1, and the good quality adhesive sheet S1 is appropriately temporarily attached to the third release sheet RL3. In addition, the fourth original fabric R4 can be manufactured reliably.

  As described above, the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described with particular reference to certain specific embodiments, but without departing from the spirit and scope of the invention, Various modifications can be made by those skilled in the art in terms of material, quantity, and other detailed configurations. In addition, the description of the shape, material, and the like disclosed above is exemplary for ease of understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such restrictions is included in this invention.

For example, the guide roller 42 is used as a means for twisting the unnecessary sheet S2, but the present invention is not limited to this as long as it is a means capable of causing the twist necessary for the unnecessary sheet S2. For example, the unnecessary sheet S <b> 2 may be twisted and set on the pressing roller 44 in advance without using the guide roller 42.
Further, the third original fabric R3 may be recovered by the second recovery means 90 without providing the first recovery means 80.
Further, the shape of the adhesive sheet S1 is not limited to a circle, and may be a polygon such as an ellipse or a rectangle.
Furthermore, the drive device in the embodiment includes an electric device such as a rotation motor, a linear motion motor, a linear motor, a single-axis robot, and an articulated robot, an actuator such as an air cylinder, a hydraulic cylinder, a rodless cylinder, and a rotary cylinder. In addition to these, a combination of them directly or indirectly may be employed (some of them overlap with those exemplified in the embodiment).

DESCRIPTION OF SYMBOLS 1 ... Sheet manufacturing apparatus 10 ... 1st feeding means 20 ... Cutting means 30 ... 1st peeling means 40 ... 2nd peeling means 41 ... peeling roller (peripheral part peeling means)
42 ... guide roller (guide means)
44 ... Pressing roller (adhesive peeling means)
60: Second feeding means 70: Transfer roller (transfer means)
80 ... 1st collection means (3rd peeling means)
AD ... Adhesive layer BS ... Base material sheet R1 ... 1st original fabric R2 ... 2nd original fabric R3 ... 3rd original fabric R4 ... 4th original fabric RL1 ... 1st release sheet RL1A ... Release sheet cutting part RL1B ... Release sheet Surrounding portion RL2 ... second release sheet RL3 ... third release sheet S ... band-like adhesive sheet S1 ... adhesive sheet S2 ... unnecessary sheet

Claims (4)

A strip-shaped first release sheet is temporarily attached to the adhesive layer side of the strip-shaped adhesive sheet having an adhesive layer on one surface of the strip-shaped base sheet, and a strip-shaped first sheet is formed on the other surface of the base sheet. A first feeding means for feeding the first original fabric temporarily attached with two release sheets;
A notch having a predetermined shape is formed in the unrolled first original fabric so as to penetrate the belt-like adhesive sheet from the first release sheet side and not penetrate the second release sheet. Cutting means for forming a release sheet cutting portion of the same shape as the adhesive sheet from the first release sheet,
A release sheet peripheral portion formed around the release sheet cutting portion and an unnecessary sheet formed around the adhesive sheet are peeled from the second release sheet, and the adhesive sheet and the release are applied to the second release sheet. A first peeling means for forming a second original fabric on which a sheet cutting portion is temporarily attached;
A second peeling means for peeling the release sheet cutting portion from the adhesive sheet of the second original fabric;
A second feeding means for feeding the strip-shaped third release sheet;
Transfer means for temporarily attaching the third release sheet fed by the second feeding means to the adhesive layer of the adhesive sheet from which the cut portion of the release sheet has been peeled to form a third original fabric. A sheet manufacturing apparatus.   2. The sheet manufacturing according to claim 1, further comprising third peeling means for peeling the second release sheet temporarily attached to the adhesive sheet from the third original fabric to form a fourth original fabric. apparatus. The second peeling means is a peripheral part peeling means for peeling the peripheral part of the release sheet from the adhesive layer of the unnecessary sheet peeled by the first peeling means,
Adhesive peeling means for adhering the adhesive layer of the unnecessary sheet from which the peripheral portion of the release sheet has been peeled off to the release sheet cutting portion of the second original fabric, and peeling the release sheet cutting portion from the adhesive sheet; The sheet manufacturing apparatus according to claim 1, further comprising a sheet manufacturing apparatus. A strip-shaped first release sheet is temporarily attached to the adhesive layer side of the strip-shaped adhesive sheet having an adhesive layer on one surface of the strip-shaped base sheet, and a strip-shaped first sheet is formed on the other surface of the base sheet. (2) a step of feeding out the first raw material on which the release sheet is temporarily attached;
A notch having a predetermined shape is formed in the unrolled first original fabric so as to penetrate the belt-like adhesive sheet from the first release sheet side and not penetrate the second release sheet. And forming a release sheet cutting portion of the same shape as the adhesive sheet from the first release sheet,
A release sheet peripheral portion formed around the release sheet cutting portion and an unnecessary sheet formed around the adhesive sheet are peeled from the second release sheet, and the adhesive sheet and the release are applied to the second release sheet. Forming a second original fabric temporarily attached with a sheet cutting portion;
Peeling the release sheet cutting portion from the adhesive sheet of the second original fabric;
A step of feeding a strip-shaped third release sheet;
A step of temporarily attaching the fed third release sheet to an adhesive layer of the adhesive sheet from which the cut portion of the release sheet has been peeled to form a third original fabric. .

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