JP2007313765A - Laminated sheet manufacturing device/method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a laminated sheet manufacturing device which can reduce a manufacturing cost while preventing a dent from being formed in an adhesive sheet of a specified shape by rolling pressure, and a laminated sheet manufacturing method. <P>SOLUTION: This device manufactures the laminated sheet 11 of such a form that a cover sheet 12 of a specified shape is temporarily attached to the surface of a band-like release sheet 1a through an adhesive layer 1b, using a rolled web 1 formed of a plurality of sheets 1a to 1c laminated over each other. In addition, a raised layer forming part 312 (a die-cutting roller 31) is formed which forms a raised layer 13 for securing a gap S between the release sheet 1a and the cover sheet 12 when the laminated sheet 11 is rolled, by pressing a specified region of the rolled web 1 to rise. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a laminated sheet manufacturing apparatus and a laminated sheet manufacturing method, and more specifically, to manufacture an adhesive sheet having a predetermined shape for protecting an information recording layer such as an optical disk, for example. The present invention relates to a laminated sheet manufacturing apparatus and a laminated sheet manufacturing method for manufacturing a laminated sheet comprising:

  Conventionally, for example, an adhesive sheet (hereinafter referred to as a “cover sheet”) having a predetermined shape is attached to the recording layer side of an optical disc in order to protect the surface thereof. Such a cover sheet is supplied to the optical disc manufacturing process as a laminated sheet as follows. A laminated sheet is formed by forming a predetermined shape of a notch reaching the release sheet from the base sheet side to the original sheet on which a base sheet having an adhesive layer is temporarily attached on a strip-shaped release sheet, and its peripheral and central portions. The unnecessary portion is removed, and a cover sheet having a predetermined shape is temporarily attached on the release sheet. This type of laminated sheet is supplied to the manufacturing process of the optical disk in a wound state, and is used as appropriate.

  As described above, since the laminated sheet is supplied in a wound state, a mark due to the winding pressure (hereinafter also referred to as an indentation) may be formed on the cover sheet. When such an indentation is formed on the cover sheet, an optical disk as an information recording medium has a problem that an error occurs in reading or writing data due to the indentation.

  Therefore, for example, in Patent Document 1, using an original fabric in which a base sheet and a protective sheet are sequentially laminated on an exfoliation treatment surface of an exfoliation sheet via an adhesive, A technique for manufacturing a laminated sheet in which the protective sheet is left on both sides and the part has the maximum thickness is disclosed. As a result, both side portions of the laminated sheet are thicker than the cover sheet by the thickness of the protective sheet.

  When the laminated sheet manufactured in this manner is wound, a predetermined gap is secured between the lower surface of the release sheet and the upper surface of the cover sheet by the protective sheets on both sides. It is possible to prevent the formation of the indentation due to.

JP 2004-35836 A

  However, the technique proposed in Patent Document 1 requires an original fabric in which protective sheets are laminated in order to form both side portions that are the maximum thickness portions, and the cost of such protective sheets increases. Moreover, since the number of processing steps for forming both side portions increases, the manufacturing cost increases. Furthermore, since most of the protective sheet is discarded except for both side parts, there is a disadvantage that resources are wasted.

  In view of the above circumstances, an object of the present invention is to provide a laminated sheet manufacturing apparatus and a laminated sheet manufacturing method capable of reducing manufacturing costs while preventing formation of indentation due to winding pressure on an adhesive sheet. And

  In order to achieve the above object, an apparatus for producing a laminated sheet according to claim 1 of the present invention is an adhesive sheet having a predetermined shape on a release sheet, from an original fabric in which a base sheet is temporarily attached on a strip-shaped release sheet. Is a device for manufacturing a laminated sheet temporarily attached, and presses and raises a predetermined portion of the original fabric so that a gap is formed between the release sheet and the adhesive sheet when the laminated sheet is wound. It is characterized in that a bulge forming means for forming a bulge that secures the height is provided.

  Further, the laminated sheet manufacturing apparatus according to claim 2 of the present invention, in the above-described claim 1, cutting means for forming a cut of a predetermined shape reaching the release sheet from the base sheet side to the original fabric, A pressing means for pressing the original fabric against the cutting means and the raised portion forming means is provided.

  In the laminated sheet manufacturing apparatus according to claim 3 of the present invention, in the above-described claim 2, the cutting means has a cutting blade on the outer periphery, and rotates around a rotation axis so that the raw material is predetermined. It is characterized by forming a cut in the shape.

  The laminated sheet manufacturing apparatus according to claim 4 of the present invention is the laminate sheet manufacturing apparatus according to any one of claims 1 to 3 described above, wherein the raised portion forming means has a convex portion on the outer periphery, and the rotation axis is the center. The raised portion is formed in the original fabric by rotating.

  The laminated sheet manufacturing apparatus according to claim 5 of the present invention is characterized in that, in the above-described claim 3 or claim 4, the cutting means and the raised portion forming means are formed around the same rotation axis. And

  In addition, the laminated sheet manufacturing apparatus according to claim 6 of the present invention is the above-described claim 4 or claim 5, wherein the cutting means and / or the raised portion forming means has a predetermined distance from the pressing means. It is characterized in that it is provided with a separating means for holding it.

  The laminated sheet manufacturing apparatus according to claim 7 of the present invention is the apparatus according to any one of claims 3 to 6, wherein the cutting means and / or the raised portion forming means are attached to and detached from the rotating shaft. It is characterized by being free.

  Moreover, in the laminated sheet manufacturing apparatus according to claim 8 of the present invention, in any one of claims 3 to 7 described above, the cutting means and / or the raised portion forming means is configured by a magnetic member. The rotating shaft is constituted by a magnet cylinder containing a magnet.

  In the laminated sheet manufacturing apparatus according to claim 9 of the present invention, in the above-described claim 8, the cutting means and the raised portion forming means are configured by the same member having magnetism, and It is detachable.

  Further, in the laminated sheet manufacturing apparatus according to claim 10 of the present invention, in the above-mentioned claim 8, the cutting means and the raised portion forming means are each constituted by a separate member having magnetism, and It is characterized by being detachable individually.

  A laminated sheet manufacturing apparatus according to an eleventh aspect of the present invention is the method according to any one of the second to tenth aspects, wherein the adhesive sheet is formed by forming a predetermined shape incision in the base sheet. And an unnecessary portion collecting means for collecting the unnecessary adhesive sheet portion generated in the above.

  In the laminated sheet manufacturing method according to claim 12 of the present invention, a laminated sheet in which an adhesive sheet having a predetermined shape is temporarily attached on the release sheet from a raw fabric in which a base sheet is temporarily attached on a strip-like release sheet. A method for manufacturing a sheet, comprising: a raised portion that secures a gap between the release sheet and the adhesive sheet when the laminated sheet is wound by pressing and raising a predetermined portion of the original fabric It includes a ridge forming step to be formed.

  Moreover, the laminated sheet manufacturing method according to the thirteenth aspect of the present invention is a laminate in which an adhesive sheet having a predetermined shape is temporarily attached on the release sheet from an original fabric in which a base sheet is temporarily attached on a strip-like release sheet. A method for manufacturing a sheet, comprising: a cutting step for forming a cut in a predetermined shape reaching the release sheet from the base sheet side to the release sheet; and a raised portion that presses and raises a predetermined portion of the original fabric And forming a raised portion that secures a gap between the release sheet and the adhesive sheet when the laminated sheet is wound.

  According to the invention described in claim 1 of the present invention, when the raised portion forming means presses and raises the predetermined portion of the original fabric, when the laminated sheet is wound, the raised portion is formed between the release sheet and the adhesive sheet. Since the raised portion that secures the gap is formed, no indentation due to the winding pressure is formed on the adhesive sheet even when the laminated sheet is wound. Further, since another sheet for forming the maximum thickness portion is not required as in the prior art, the cost and processing steps required for the other sheet can be reduced. Therefore, the manufacturing cost can be reduced while preventing indentation due to the winding pressure from being formed on the adhesive sheet.

  According to the twelfth aspect of the present invention, by pressing a predetermined portion of the original fabric, a raised portion that secures a gap between the release sheet and the adhesive sheet when the laminated sheet is wound is formed. Therefore, even if the laminated sheet is wound, no indentation due to the winding pressure is formed on the adhesive sheet. Further, since another sheet for forming the maximum thickness portion is not required as in the prior art, the cost and processing steps required for the other sheet can be reduced. Therefore, the manufacturing cost can be reduced while preventing indentation due to the winding pressure from being formed on the adhesive sheet.

  According to the invention described in claim 13 of the present invention, when a laminated sheet is wound by pressing a predetermined part of the original fabric and making a cut by forming a cut of a predetermined shape on the original fabric, A raised portion forming step for forming a raised portion that secures a gap between the release sheet and the adhesive sheet, so that the laminated sheet can be formed in a series of operations, and the laminated sheet is wound Even in this state, no indentation due to the winding pressure is formed on the adhesive sheet. Further, since another sheet for forming the maximum thickness portion is not required as in the prior art, the cost and processing steps required for the other sheet can be reduced. Therefore, the manufacturing cost can be reduced while preventing indentation due to the winding pressure from being formed on the adhesive sheet.

  Exemplary embodiments of a laminated sheet manufacturing apparatus and a laminated sheet manufacturing method according to the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 conceptually shows a laminated sheet manufacturing apparatus according to an embodiment of the present invention. The laminated sheet manufacturing apparatus exemplified here manufactures a laminated sheet provided with a cover sheet (adhesive sheet having a predetermined shape) for protecting a recording layer of an optical disc, for example.

  In FIG. 1, the laminated sheet manufacturing apparatus 10 includes a supply unit 20, a forming unit 30, and a winding unit 40.

  The supply unit 20 includes an original fabric support shaft 21a and a feeding roller 22a. The original fabric support shaft 21a has a rod shape and supports the original fabric roll 21 in which the original fabric 1 is wound in a roll shape. The original fabric support shaft 21a is rotationally driven around the axis by the motor M1 with the central axis as an axis. Here, the raw fabric 1 has a three-layer structure in which a base sheet 1c having an adhesive layer 1b is temporarily attached onto a release sheet 1a. The release sheet 1a and the base sheet 1c are formed from a known material, and are formed from a material that is plastically deformed by applying a predetermined pressing force.

  The feeding roller 22a sandwiches the original fabric 1 with the nip roller 22b, and applies a feeding output to the original fabric 1 by the motor M2.

  The forming unit 30 forms a notch having a predetermined shape reaching the release sheet 1a from the base sheet 1c side to the original fabric 1 supplied by the supply unit 20, and has a predetermined shape having an adhesive layer 1b on the release sheet 1a. The laminated sheet 11 to which the cover sheet 12 is temporarily attached is manufactured, and includes a die cut roller 31 and an anvil roller (pressing means) 32.

  As shown in FIG. 2, the die cut roller 31 includes a rotation shaft 31 a, a cutter unit 311, a bulge forming unit 312, and a bearer 313.

  The rotating shaft 31a has a rod-like form, and is provided so as to be movable up and down with respect to the apparatus main body (not shown), and is provided to be rotatable around its axis. The rotating shaft 31a is configured to be driven in synchronization with the anvil roller 32 by a motor M3 described later. The rotating shaft 31a is urged toward the anvil roller 32 provided below by an urging means (not shown).

  The cutter part 311 is a cutting means and has a cylindrical shape. As shown in FIG. 3, the cutter portion 311 is formed with a through hole 311b having an inner diameter that fits the rotation shaft 31a, and the through hole 311b is passed through the rotation shaft 31a by a fixture (not shown). It is fixed. Moreover, the cutter part 311 is formed in a state in which a blade 311a for forming a cut on the outer periphery protrudes radially outward from the peripheral surface. The protruding height of the blade 311 a is large enough to form a predetermined cut in the raw fabric 1.

  The raised portions 312 have an annular shape and are provided on both sides of the cutter portion 311. More specifically, the ridge forming portion 312 is formed with a through hole 312b having an inner diameter suitable for the rotating shaft 31a, and is fixed by a fixing tool (not shown) in a state where the through hole 312b is passed through the rotating shaft 31a. Has been. Further, as shown in FIG. 4, the bulge forming portion 312 is formed with a protruding portion (convex portion) 312 a that protrudes radially outward from the peripheral surface thereof in a knurled shape, for example. And the die cut roller 31 rotates around the axis of the rotary shaft 31a, and at the same time, a raised portion forming means for raising by applying a pressing force to both side portions 3 outside the forming region of the cover sheet 12 in the original fabric 1. It is. Examples of the knurled shape include various shapes such as a mesh shape, a flat shape, a right oblique shape, a left oblique shape, a round flat shape, and a groove flat shape. In this case, a projection having a protrusion 312a is used. The protruding height of the protruding portion 312a of the ridge forming portion 312 is such that the laminated sheet 11 in a state where the cover sheet 12 is temporarily attached on the release sheet 1a by applying a pressing force to a predetermined portion of the raw fabric 1 is wound. In some cases, the size may be sufficient to ensure a gap S (see FIG. 6) between the lower surface of the release sheet 1a and the upper surface of the cover sheet 12.

  The bearer 313 has an annular shape having a diameter larger than that of the cutter portion 311 and the ridge forming portion 312, and is provided on both ends of the ridge forming portion 312. More specifically, the bearer 313 is formed with a through hole 313a that fits the rotation shaft 31a, and the both ends of the ridge forming portion 312 are fixed by a fixing tool (not shown) with the through hole 313a penetrating the rotation shaft 31a. This is fixed to the side, that is, outside the passband of the original fabric 1. As shown in FIG. 4, the bearer 313 has a part of the peripheral surface thereof in contact with a part of the peripheral surface of the anvil roller 32, so that the distance between the cutter part 311 and the ridge forming part 312 and the anvil roller 32 is increased. It is a separation means that holds the distance. By such a bearer 313, the shortest distance between the blade 311 a of the cutter unit 311 and the anvil roller 32 is held so as to be equal to or less than the thickness of the release sheet 1 a and not in contact with the anvil roller 32.

  As shown in FIG. 2, the anvil roller 32 is provided at a position facing the die-cut roller 31, that is, a position on the lower side, with the original fabric 1 sandwiched therebetween, and an anvil roller shaft 32b, a roller body 32a, It is constituted by.

  The anvil roller shaft 32b has a rod shape, and is provided so as to be rotatable about its axis with respect to the apparatus main body. The anvil roller shaft 32b is rotationally driven by a motor M3. Further, this rotational driving force is configured so that the rotary shaft 31a is also synchronously driven through a transmission means (not shown).

  The roller body 32a has a cylindrical shape. The roller body 32a is formed with a through hole 32c having an inner diameter suitable for the anvil roller shaft 32b. The through hole 32c is fixed by a fixing tool (not shown) in a state where the through hole 32c passes through the anvil roller shaft 32b. Further, the outer diameter of the roller main body 32a is approximately equal to the outer diameter of the bearer 313.

  The anvil roller 32 is a member that sandwiches the raw fabric 1 from the supply unit 20 with the die cut roller 31 and receives a pressing force from the die cut roller 31. In other words, the supplied raw fabric 1 is die cut. It is a pressing means for pressing against the roller 31 (the cutter part 311 and the ridge forming part 312).

  The winding unit 40 includes a winding roller 41 a and a winding shaft 42. The winding roller 41a sandwiches the laminated sheet 11 with the nip roller 41b, applies a winding force to the laminated sheet 11 by the motor M4, and winds in the direction in which the winding shaft 42 is disposed. is there.

  The winding shaft 42 has a rod shape, and is used for winding the laminated sheet 11 into a roll shape. The winding shaft 42 is rotationally driven around its axis by a motor M5.

  An unnecessary adhesive sheet collecting means 43 is provided between the forming unit 30 and the winding unit 40. The unnecessary adhesive sheet collecting means 43 collects the unnecessary sheet portion 4 (see FIG. 2) generated when the cover sheet 12 is formed by the forming unit 30, and includes an unnecessary sheet take-up roll shaft 431, a branch roller 432, It is configured with. The unnecessary sheet take-up roll shaft 431 has a rod shape, and is used for winding the unnecessary sheet portion 4 into a roll shape. The unnecessary sheet take-up roll shaft 431 is driven to rotate about its axis by the motor M6. The branch roller 432 is disposed on the downstream side of the forming unit 30 and is for branching the unnecessary sheet portion 4 from the laminated sheet 11.

  Operation | movement of the lamination sheet manufacturing apparatus 10 which has the above structures is demonstrated. The original fabric roll 21 in which the original fabric 1 is wound in a roll shape is supported on the original fabric support shaft 21a, the original fabric 1 is pulled out, and between the feeding roller 22a and the nip roller 22b, the die cut roller 31 and the anvil roller 32, Between the take-up roller 41 a and the nip roller 41 b and connected to the take-up shaft 42, and the base material sheet 1 c together with the adhesive layer 1 b is connected to the unwanted material take-up roll shaft 431 with the branch roller 432 in the middle as a boundary. Ready.

  By issuing a command from a controller (not shown), the motors M1 to M6 are driven, and the drive rollers are rotated. At this time, the motors M1 to M6 are mutually adjusted in torque, and are controlled so that the raw fabric 1 is stably fed out with a predetermined tension applied, and the laminated sheet 11 is stably wound. The Thus, the cut 1 can be accurately formed without slack or unnecessarily applied tension on the unrolled original fabric 1 or the laminated sheet 11 to be wound.

  When the original fabric 1 is sequentially fed out in this way, in the forming unit 30, a predetermined cut is formed in the original fabric 1 supplied between the die cut roller 31 and the anvil roller 32 by the blade 311a. Thereby, the cover sheet 12 will be formed.

  On the other hand, substantially at the same time when the cutter portion 311 forms a cut in the original fabric 1, the ridge forming portion 312 attached to the same rotating shaft 31a and attached to the cutter portion 311 has a protruding portion 312a at a predetermined portion of the original fabric 1. A pressing force is applied via Thereby, as shown in FIG. 5, the periphery of the pressing portion of the protruding portion 312a on the upper surface of the original fabric 1 is raised, and the portion corresponding to the pressing portion of the protruding portion 312a on the lower surface of the original fabric 1 is raised, Raised portions 13 are formed on the upper and lower surfaces of the region 3 outside the forming region of the cover sheet 12 of the original fabric 1.

  As shown in FIG. 2, the raw sheet 1 in which the cut is formed in this way branches the unnecessary sheet portion 4 by the branch roller 432 and winds it by the unnecessary sheet take-up roll shaft 431. Then, as shown in FIG. 6, the laminated sheet 11 in which the cover sheet 12 is temporarily attached on the release sheet 1 a is formed between the lower surface of the release sheet 1 a and the upper surface of the cover sheet 12 by overlapping the ridges 13. In the state where the clearance S is secured, the winding shaft 42 is wound. Therefore, no indentation is formed on the cover sheet 12 by the winding pressure generated by winding the laminated sheet 11.

  Moreover, in the said laminated sheet manufacturing apparatus 10, by forming the protruding part 13 in the original fabric 1, when the laminated sheet 11 is wound, it is between the lower surface of the peeling sheet 1a and the upper surface of the cover sheet 12. Since the gap S can be ensured, no other sheet for forming the maximum thickness portion is required as in the prior art, and the cost required for the cover sheet can be reduced.

  Therefore, according to the laminated sheet manufacturing apparatus 10 in the embodiment of the present invention, it is possible to reduce the manufacturing cost while preventing the indentation due to the winding pressure from being formed on the cover sheet 12.

  Moreover, according to the laminated sheet manufacturing method in the embodiment of the present invention, the raised portion 13 is formed by pressing a predetermined portion of the raw fabric 1 to be raised, so that the laminated sheet 11 is in a wound state. However, indentation due to the winding pressure is not formed on the cover sheet 12. Further, since another sheet for forming the maximum thickness portion is not required as in the prior art, the cost required for the other sheet can be reduced. Therefore, it is possible to reduce the manufacturing cost while preventing the cover sheet 12 from forming indentations due to the winding pressure.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to this, and various modifications can be made. For example, as shown in FIG. 7, the die-cut roller 60 winds a plate body 62 in which a blade 63 and a protruding portion 64 are formed around a rotating shaft in which a permanent magnet or the like is embedded, that is, a so-called magnet cylinder 61. You may comprise by. The plate body 62 is made of a magnetic material, and is fixed to the magnet cylinder 61 by a magnetic force. According to such a configuration, even when there is a change in the cut shape or the width and thickness of the target raw fabric, the plate body 62 on which the blade 63 and the protrusion 64 corresponding thereto are formed is attached to the magnet cylinder 61. It can be used just by rewinding and has versatility.

  Further, as shown in FIG. 8, a first plate body 621 made of a magnetic material with a blade 63 formed on the magnet cylinder 61 and a second plate made of a magnetic material with a protrusion 64 formed thereon. The structure may be divided into the body 622. With such a configuration, when the blade 63 or the protruding portion 64 is notched or raised due to wear or damage, it is only necessary to replace that portion, so that the running cost can be kept low.

  In the preferred embodiment of the present invention, the cutting means and the bulging means are described as being fixed to the same rotating shaft. However, the present invention is not limited to this, and the cutting means and the bulging means are separately provided. The laminated sheet may be formed by being fixed to the rotating shaft.

  As described above, the laminated sheet manufacturing apparatus and the laminated sheet manufacturing method according to the present invention manufacture a laminated sheet including the cover sheet, for example, to manufacture a cover sheet for protecting a recording layer of an optical disc. Useful for.

The front view which shows notionally the laminated sheet manufacturing apparatus in embodiment of this invention. The perspective view which expands and shows the formation unit vicinity. The perspective view which expands and shows the principal part of a die-cut roller. The principal part expanded sectional view of a die-cut roller. The principal part expanded sectional view which shows a mode that a protrusion part forms a protruding part. The principal part expanded sectional view which shows a mode that the lamination sheet was wound. Explanatory drawing which shows typically the modification of the lamination sheet manufacturing apparatus in embodiment of this invention. Explanatory drawing which shows typically the modification of the lamination sheet manufacturing apparatus in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Original fabric 1a Release sheet 1b Adhesive layer 1c Base material sheet 10 Laminated sheet manufacturing apparatus 11 Laminated sheet 12 Cover sheet 13 Raised part 30 Forming unit 31 Die cut roller 311 Cutter part (cutting means)
311a Blade 312 Raised portion (raised portion forming means)
313 Bearer (spacer)
32 Anvil roller (pressing means)

Claims (13)

An apparatus for producing a laminated sheet in which an adhesive sheet of a predetermined shape is temporarily attached on the release sheet from an original fabric in which a base sheet is temporarily attached on a strip-like release sheet,
Protruding part forming means for forming a protruding part that secures a gap between the release sheet and the adhesive sheet when the laminated sheet is wound by pressing and raising the predetermined part of the original fabric is provided. The laminated sheet manufacturing apparatus characterized by the above-mentioned. A cutting means for forming a predetermined shape of notches reaching the release sheet from the base sheet side to the release sheet;
The laminated sheet manufacturing apparatus according to claim 1, further comprising: a pressing unit that presses the original fabric against the cutting unit and the raised portion forming unit.   The laminated sheet manufacturing apparatus according to claim 2, wherein the cutting unit has a cutting blade on an outer periphery, and forms a cut of a predetermined shape in the original fabric by rotating about a rotation axis.   The bulge forming means has a convex part on the outer periphery, and forms the bulge on the original fabric by rotating around a rotation axis. The laminated sheet manufacturing apparatus described.   The laminated sheet manufacturing apparatus according to claim 3 or 4, wherein the cutting means and the raised portion forming means are formed around the same rotation axis.   6. The laminated sheet manufacturing apparatus according to claim 4, wherein the cutting unit and / or the raised portion forming unit includes a separation unit that maintains a separation distance from the pressing unit at a predetermined distance. .   The laminated sheet manufacturing apparatus according to any one of claims 3 to 6, wherein the cutting means and / or the raised portion forming means are detachable with respect to the rotating shaft.   8. The cutting means and / or the raised portion forming means is constituted by a magnetic member, and the rotation shaft is constituted by a magnet cylinder containing a magnet. The laminated sheet manufacturing apparatus described in 1.   The laminated sheet manufacturing apparatus according to claim 8, wherein the cutting means and the raised portion forming means are configured by the same member having magnetism and are detachable from the magnet cylinder.   9. The laminated sheet manufacturing apparatus according to claim 8, wherein the cutting means and the raised portion forming means are configured by separate members having magnetism, and are individually detachable from the magnet cylinder.   The unnecessary part collection | recovery means which collect | recovers the unnecessary adhesive sheet part produced when forming the notch | incision of a predetermined shape in the said base material sheet and shape | molding the said adhesive sheet is provided. The laminated sheet manufacturing apparatus according to one. From a raw material in which a base sheet is temporarily attached on a strip-shaped release sheet, a method for producing a laminated sheet in which an adhesive sheet having a predetermined shape is temporarily attached on the release sheet,
Including a raised portion forming step of forming a raised portion that secures a gap between the release sheet and the adhesive sheet when the laminated sheet is wound by pressing and raising the predetermined portion of the original fabric. A method for producing a laminated sheet. From a raw material in which a base sheet is temporarily attached on a strip-shaped release sheet, a method for producing a laminated sheet in which an adhesive sheet having a predetermined shape is temporarily attached on the release sheet,
A cutting step for forming a cut of a predetermined shape reaching the release sheet from the base sheet side to the release sheet;
A raised portion forming step of pressing and raising the predetermined portion of the original fabric,
The raised portion forming step forms a raised portion that secures a gap between the release sheet and the adhesive sheet when the laminated sheet is wound.

Images