Auxiliary tools for handheld cutters and handheld cutters with auxiliary tools.

The auxiliary tool with U-shaped paper guide members on hand-held cutters facilitates accurate straight-line cutting of release paper, improving the finish and adhesion of adhesive decorative sheets.

JP2026049161APending Publication Date: 2026-03-18KAWAKAMI INTERIOR CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2026-03-18

AI Technical Summary

Technical Problem

Existing hand-held cutters lack the ability to easily and accurately cut release paper of adhesive-coated decorative sheets in a straight line, relying heavily on user skill.

Method used

An auxiliary tool for hand-held cutters equipped with U-shaped paper guide members positioned parallel to the blade, allowing the release paper to be guided and cut straight by inserting the underlay plate between the decorative sheet and release paper, with the U-shaped guide members directing the cut.

Benefits of technology

Enables easy and precise cutting of release paper in a straight line, ensuring a clean finish and even adhesion of decorative sheets on surfaces, suitable for interior finishing materials like wallpaper.

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Abstract

This invention provides an auxiliary tool for a handheld cutter that allows for easy and precise straight-line cutting of adhesive decorative sheets. [Solution] A handheld cutter auxiliary tool 3 is attached to at least one side of a handheld cutter 2 when the handheld cutter 2 is erected, and the handheld cutter auxiliary tool 3 is attached to at least one side of the handheld cutter 2, wherein when the handheld cutter auxiliary tool 3 is attached to the handheld cutter 2, the handheld cutter auxiliary tool 3 is equipped with U-shaped paper guide members 34a, 34b that are arranged parallel to the blade of the blade at a specific distance and extend in the front-rear direction, with the openings of the U-shaped paper guide members 34a, 34b facing the blade, and a handheld cutter 1 with such handheld cutter auxiliary tool 3 attached.
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Description

Technical Field

[0001] The present invention relates to an auxiliary tool for a hand-held cutter and a hand-held cutter with an auxiliary tool to which such an auxiliary tool for a hand-held cutter is attached.

Background Art

[0002] Conventionally, a hand-held cutter having an underlay plate for preventing damage to a base material is known. This hand-held cutter is used, for example, for cutting the release paper of an adhesive-coated decorative sheet which is one of interior finishing materials. However, since the cutting is performed freehand, the finish depends on the skill of the user.

[0003] As a hand-held cutter having an underlay plate, for example, a cutter knife has been proposed in which an underlay with an arm is attached to a cutter knife body so that work can be performed without damaging the base material with the blade anywhere (see Patent Document 1).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] An object of the present invention is to provide an auxiliary tool for a hand-held cutter and a hand-held cutter with an auxiliary tool that can easily and accurately cut the release paper of an adhesive-coated decorative sheet in a straight line.

Means for Solving the Problems

[0006] As a result of diligent research to solve the above problems, the inventors have found that by attaching an auxiliary tool for a handheld cutter, which is equipped with a U-shaped paper guide member that is positioned parallel to the blade at a specific distance from the blade and extends in the front-rear direction, with the opening of the U-shaped paper guide member facing the blade, the release paper can be easily and accurately cut in a straight line when cutting adhesive decorative sheets, and have completed the present invention.

[0007] In other words, the present invention is as follows: [1] An auxiliary tool for a handheld cutter, which is attached to at least one side of a handheld cutter when the handheld cutter is in an upright position, the handheld cutter having a blade portion with a blade at the tip, a grip portion connected to the base end of the blade portion, and a base plate positioned below the blade of the blade portion at a predetermined distance, When the aforementioned auxiliary tool for the handheld cutter is attached to the handheld cutter, the auxiliary tool for the handheld cutter is provided with a U-shaped paper guide member that is positioned parallel to the blade of the blade portion at a specific distance and extends in the front-rear direction, and the opening of the U-shaped paper guide member is directed toward the blade. When the auxiliary tool for the handheld cutter is attached to the handheld cutter to cut an adhesive decorative sheet, the auxiliary tool for the handheld cutter is characterized in that the underlay plate of the handheld cutter is inserted between the decorative sheet body and the release paper of the adhesive decorative sheet, or under the decorative sheet body and the release paper of the adhesive decorative sheet, and the side edge of the adhesive decorative sheet is passed through the opening of the U-shaped paper guide member, thereby guiding the release paper in a straight line, and the blade of the handheld cutter cuts only the release paper or the decorative sheet body and the release paper in a straight line. [2] An auxiliary tool for a handheld cutter, which is attached to both sides of the handheld cutter when the handheld cutter is in an upright position, The auxiliary tool for a handheld cutter according to [1] above, characterized in that the U-shaped paper guide member comprises a first U-shaped paper guide member and a second U-shaped paper guide member.

[0008] [3] A handheld cutter comprising a blade portion having a blade at the tip, a grip portion connected to the base end of the blade portion, and a base plate positioned below the blade of the blade portion at a predetermined distance, The handheld cutter is positioned upright, and the handheld cutter is equipped with an auxiliary tool for the handheld cutter that is attached to at least one side of the handheld cutter. The aforementioned auxiliary tool for the handheld cutter is equipped with a U-shaped paper guide member that is positioned parallel to the blade of the blade portion at a specific distance and extends in the front-rear direction, with the opening of the U-shaped paper guide member facing the blade. When cutting an adhesive decorative sheet, the auxiliary tool for the handheld cutter is characterized in that the handheld cutter inserts the underlay plate of the handheld cutter between the decorative sheet body and the release paper of the adhesive decorative sheet, or under the decorative sheet body and the release paper of the adhesive decorative sheet, and passes the side edge of the adhesive decorative sheet through the opening of the U-shaped paper guide member, thereby guiding the release paper in a straight line, and the blade of the handheld cutter cuts only the release paper or the decorative sheet body and the release paper in a straight line. [4] The auxiliary tool for the handheld cutter is attached to both sides of the handheld cutter when the handheld cutter is in an upright position, The handheld cutter with an auxiliary tool as described in [3] above, characterized in that the U-shaped paper guide member comprises a first U-shaped paper guide member and a second U-shaped paper guide member. [Effects of the Invention]

[0009] By using the auxiliary tool for handheld cutters of the present invention, the release paper of adhesive-backed decorative sheets can be easily and accurately cut in a straight line. [Brief explanation of the drawing]

[0010] [Figure 1] This is a perspective view of a handheld cutter with an auxiliary tool according to one embodiment of the present invention. [Figure 2] Figure 1 is a front view of the handheld cutter with an auxiliary tool. [Figure 3]It is a plan view of a hand-held cutter with an auxiliary tool shown in Fig. 1. [Figure 4] It is an explanatory view of the hand-held cutter with an auxiliary tool shown in Fig. 1, showing the state where one U-shaped paper guide member is removed. [Figure 5] It is a schematic side view of the hand-held cutter of the hand-held cutter with an auxiliary tool shown in Fig. 1. [Figure 6] It is a schematic exploded view of the hand-held cutter of the hand-held cutter with an auxiliary tool shown in Fig. 5. [Figure 7] It is a schematic perspective view of the auxiliary tool for the hand-held cutter of the hand-held cutter with an auxiliary tool shown in Fig. 1. [Figure 8] It is a schematic exploded view of the auxiliary tool for the hand-held cutter of the hand-held cutter with an auxiliary tool shown in Fig. 5. [Figure 9] It is an explanatory view of the usage method of the hand-held cutter with an auxiliary tool of the present invention shown in Fig. 1, showing the state of cutting the release paper at the end of the decorative sheet with an adhesive. [Figure 10] It shows the state of cutting the other end of the decorative sheet with an adhesive in Fig. 9. [Figure 11] It shows the end of the cut decorative sheet with an adhesive in Fig. 10. [Figure 12] It is an explanatory view of the usage method of the hand-held cutter with an auxiliary tool of the present invention shown in Fig. 1. (a) shows the state where a decorative sheet with an adhesive is attached to one end of the corner member, and (b) shows the state where the attached decorative sheet with an adhesive is cut. [Figure 13] It is an explanatory view of the usage method of the hand-held cutter with an auxiliary tool of the present invention shown in Fig. 1. (a) shows the state where a decorative sheet with an adhesive is further attached to the other end of the corner member in Fig. 12, and (b) shows the state where the attached decorative sheet with an adhesive is cut. [Figure 14] It shows the state of cutting the overlapping part of the decorative sheet with an adhesive attached to the corner member in Fig. 13. [Figure 15] It is an explanatory view of the usage method of the hand-held cutter with an auxiliary tool shown in Fig. 1, showing the state where the release papers of two cut decorative sheets with adhesives are overlapped. [Figure 16]It is an explanatory diagram of the usage method of the hand-held cutter with an auxiliary tool shown in FIG. 1. (a) shows a state of cutting two decorative sheets with cuts and adhesives stacked, and (b) shows a schematic cross-sectional view.

Embodiments for Carrying out the Invention

[0011] The auxiliary tool for a hand-held cutter of the present invention is a hand-held cutter with a blade part provided with a blade on the tip side, a grip part connected to the base end side of the blade part, and a backing plate arranged at a predetermined distance below the blade of the blade part. It is an auxiliary tool for a hand-held cutter that is attached to at least one side of the hand-held cutter in a standing state. When the auxiliary tool for a hand-held cutter is attached to the hand-held cutter, the auxiliary tool for a hand-held cutter is arranged in parallel with a specific distance from the blade of the blade part and includes a U-shaped paper guide member extending in the front-rear direction. The opening entrance of the U-shaped paper guide member is directed toward the blade. When the auxiliary tool for a hand-held cutter is attached to the hand-held cutter and the decorative sheet with an adhesive is cut, the auxiliary tool for a hand-held cutter inserts the backing plate of the hand-held cutter between the decorative sheet body and the release paper of the decorative sheet with an adhesive, or under the decorative sheet body and the release paper of the decorative sheet with an adhesive, and passes the side end part of the decorative sheet with an adhesive through the opening of the U-shaped paper guide member, so that the release paper is linearly guided, and only the release paper or the decorative sheet body and the release paper are linearly cut by the blade of the hand-held cutter.

[0012] The auxiliary tool for a hand-held cutter of the present invention can easily and accurately cut the release paper of the decorative sheet with an adhesive in a straight line when attached to the hand-held cutter and cutting the decorative sheet with an adhesive.

[0013] The auxiliary tool for a hand-held cutter of the present invention is suitable as a construction tool for cutting the release paper of a decorative sheet with an adhesive, which is one of the interior finishing materials such as wallpaper. The decorative sheet with an adhesive applicable to the hand-held cutter of the present invention is a resin sheet with an adhesive applied to the back surface and a plain or patterned surface such as a wood grain pattern or a stone grain pattern.

[0014] The following describes in detail embodiments of the handheld cutter auxiliary tool and the handheld cutter with the auxiliary tool of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.

[0015] Here, Figure 1 is a perspective view of a handheld cutter with an auxiliary tool according to one embodiment of the present invention. Figure 2 is a front view of the handheld cutter with an auxiliary tool shown in Figure 1. Figure 3 is a plan view of the handheld cutter with an auxiliary tool shown in Figure 1. Figure 4 is an explanatory diagram of the handheld cutter with an auxiliary tool shown in Figure 1, showing the state with one of the U-shaped paper guide members removed. Figure 5 is a schematic side view of the handheld cutter of the handheld cutter with an auxiliary tool shown in Figure 1. Figure 6 is a schematic exploded view of the handheld cutter of the handheld cutter with an auxiliary tool shown in Figure 5. Figure 7 is a schematic perspective view of the auxiliary tool for the handheld cutter of the handheld cutter with an auxiliary tool shown in Figure 1. Figure 8 is a schematic exploded view of the auxiliary tool for the handheld cutter of the handheld cutter with an auxiliary tool shown in Figure 5.

[0016] As shown in Figures 1 to 4, the handheld cutter 1 with an auxiliary tool of the present invention comprises a handheld cutter 2 and an auxiliary tool 3 for the handheld cutter.

[0017] [Handheld cutter] As shown in Figure 5, the handheld cutter 2 of the present invention comprises a blade portion 12 having a blade 10 at its tip, a grip portion 14 connected to the base end of the blade portion 12, and a base plate 16 positioned at a predetermined distance below the blade 10 of the blade portion 12. As shown in Figure 4, when the handheld cutter auxiliary tool 3 is attached, the handheld cutter 2 is in an upright position with the grip portion 14 side inclined at a predetermined angle (5 to 20°) relative to the ground.

[0018] Next, I will explain the individual components of the handheld cutter 2. (blade) As shown in Figures 5 and 6, the blade portion 12 comprises a blade 10 and a first plate 18 and a second plate 20 that clamp the blade 10. The first plate 18 is fixed to one side of the blade 10 and has a base plate 16 on its tip side. The second plate 20 is fixed to the side of the blade 10 opposite to the first plate 18 and has a gripping portion 14 connected to its base end. The blade portion 12 does not necessarily have to be composed of three members; it may be composed of one member or two or more members.

[0019] As shown in Figure 6, the blade 10 is a rectangular metal plate with three screw holes 22a to 22c formed therein. Fixing devices 28 (bolts and nuts) are inserted through the screw hole 22a of the blade 10, the screw hole 24a of the first plate 18, and the screw hole 26a of the second plate 20 to secure the blade 10. The thickness of the blade 10 is, for example, 0.1 to 0.3 mm.

[0020] As shown in Figure 6, the first plate 18 is a rectangular metal plate that tapers towards the tip, and a base plate 16 is provided on its tip side. The second plate 20 is a rectangular metal plate that tapers towards the tip, and a gripping portion 14 is connected to its base end.

[0021] (gripping part) As shown in Figure 6, the gripping portion 14 is a rectangular plastic block connected to the base end of the second plate 20. As shown in Figure 3, the gripping portion 14 is tilted approximately 5° counterclockwise in a plan view relative to the blade 10. This counterclockwise tilt of 5 to 10° makes it easy to handle with the right hand. For left-handed use, it is preferable to tilt it 5 to 10° clockwise in a plan view.

[0022] (Underlay plate) As shown in Figure 6, the underlay plate 16 is a metal plate integrally molded and connected to the tip of the first plate 18. As shown in Figure 4, the underlay plate 16 is formed by bending a J-shaped piece 30 formed at the tip of a single metal plate at a right angle to the first plate 18. The J-shaped piece 30 has an opening 32, and the tip of the blade 10 of the blade portion 12 sandwiched between the first and second plates 18 and 20 is positioned directly above this opening 32 of the J-shaped piece 30. The underlay plate 16 is inserted between two sheet members to cut only the upper sheet member and protect the lower sheet member. Specifically, for example, by inserting the underlay plate 16 between the decorative sheet body and the release paper of an adhesive decorative sheet with the release paper facing upwards, only the release paper can be cut. The base plate 16 may be molded separately from the first plate 18.

[0023] [Auxiliary tool for handheld cutter] As shown in Figure 1, the auxiliary tool 3 for the handheld cutter of the present invention is attached to both sides of the handheld cutter 2 when the handheld cutter 2 is in an upright position. Specifically, the U-shaped paper guide member 34 of the auxiliary tool 3 for the handheld cutter of the present invention comprises a first U-shaped paper guide member 34a and a second U-shaped paper guide member 34b on both sides of the upright handheld cutter 2. Furthermore, the auxiliary tool 3 for the handheld cutter of the present invention may be such that the U-shaped paper guide member 34 is attached to one side of the upright handheld cutter 2.

[0024] Next, we will explain each component of the auxiliary tool 3 for the handheld cutter. (U-shaped paper guide member) As shown in Figures 1 and 2, the auxiliary tool 3 for the handheld cutter of the present invention is equipped with U-shaped paper guide members 34a and 34b that are arranged parallel to the blade 10 of the blade portion 12 at a specific distance and extend in the front-rear direction, with the openings 36 of the U-shaped paper guide members 34a and 34b facing the blade 10.

[0025] The specific distance between the blade 10 of the blade portion 12 and the U-shaped paper guide members 34a and 34b refers to the distance from the blade 10 of the blade portion 12 to the closing surface (bottom) of the opening 36. This distance may be the same or different. For example, in Figure 2, distance X is 30 mm and distance Y is 25 mm. This specific distance can be set as appropriate, but the length is preferably 10 to 60 mm, more preferably 15 to 50 mm, and even more preferably 20 to 40 mm.

[0026] The first U-shaped paper guide member 34a and the second U-shaped paper guide member 34b are arranged symmetrically around the handheld cutter 2 and have similar configurations; therefore, a detailed explanation of the similar parts will be omitted.

[0027] As shown in Figures 7 and 8, the U-shaped paper guide members 34a and 34b are equipped with a connecting plate 38 whose upper portion, which forms the opening 36, extends in the direction of the blade 10, and are fixed to the handheld cutter 2 via a support plate 40 erected on the side of the blade portion 12 of the handheld cutter 2. The support plate 40 is erected on one side of the blade portion 12 of the handheld cutter 2 and is equipped with screw holes 42b and 42c corresponding to the screw holes 24b and 24c and screw holes 26b and 26c of the first and second plates 18 and 20, and is fixed together with the first and second plates 18 and 20 by a fastener 43. Although the U-shaped paper guide members 34a and 34b are connected to the handheld cutter 2 via the support plate 40, they may also be directly fixed to the handheld cutter 2.

[0028] As shown in Figures 7 and 8, a restraining plate 44 is provided at the lower part of the support plate 40 on the side of the handheld cutter 2, located below the first and second plates 18 and 20, and contacting and supporting both sides of the blade 10. The restraining plate 44 can suppress the wobble of the blade 10.

[0029] As shown in Figure 3, a front notch 46 is formed on the front side of the connecting plate 38, and a rear notch 48 is formed on the rear side. The front notch 46 is formed in a trapezoidal shape in plan view, with the notched portion extending from the front end to the rear, and functions as a space to hold down the decorative sheet that slides forward during cutting. This enables stable cutting. The rear notch 48 is also formed in a trapezoidal shape in plan view, with the notched portion extending from the rear end to the front, making it easier to hold the grip portion 14 of the handheld cutter 2 and allowing the adhesive decorative sheet to be smoothly fitted into the opening 36 of the U-shaped paper guide members 34a and 34b. In addition, the left and right sides of the rear notch 48 are formed in a straight line at different inclination angles, and by using these sides as guide plates for commercially available cutters, the decorative sheet can be cut accurately at a specific angle (see Figure 14).

[0030] As shown in Figure 3, openings 50 and 52 are further formed in the center of the connecting plate 38. Openings 50 and 52 function as access spaces to facilitate the attachment of the fasteners 28 that secure the first plate 18, the second plate 20, and the support plate 40. In addition, slits 54a and 54b are formed in opening 50 on its rear side for inserting another cutter provided parallel to the blade 10.

[0031] As shown in Figure 3, the outer side walls of the U-shaped paper guide members 34a and 34b are formed parallel and straight to the blade 10 of the blade portion 12. By pressing the outer side walls of the U-shaped paper guide members 34a and 34b against a guide plate such as a ruler, they can be used as guide plates for commercially available cutters, etc.

[0032] As shown in Figures 7 and 8, the lower portion of the U-shaped paper guide members 34a and 34b that forms the opening 36 has a rectangular plate member 56 that extends in the front-rear direction. The inner rear end of the rectangular plate member 56 has a chamfered corner, which allows it to be smoothly guided into the opening 36 of the U-shaped paper guide members 34a and 34b without damaging the adhesive decorative sheet. The inner side wall of the rectangular plate member 56 is formed parallel and straight to the blade 10, and the inner side wall of the rectangular plate member 56 can be brought into contact with the side wall of the base material, etc., and used as a guide plate for commercially available cutters, etc.

[0033] The auxiliary tool 3 for the handheld cutter preferably has a connecting plate 38 made of a transparent material. This allows for confirmation when passing the adhesive decorative sheet through the opening 36, and enables smooth guidance of the adhesive decorative sheet through the opening 36 of the U-shaped paper guide members 34a and 34b. The auxiliary tool 3 for the handheld cutter is made entirely of acrylic resin, and as shown in Figure 8, it can be manufactured by cutting an acrylic plate with a laser and bonding the components together. However, the material of the auxiliary tool 3 for the handheld cutter is not limited to acrylic, and may be other resins, metals, glass, etc.

[0034] Next, an example of how to use the handheld cutter 1 with auxiliary tool of the present invention, as described above, will be explained with reference to the drawings.

[0035] Here, Figure 9 is an explanatory diagram of the method of using the handheld cutter with auxiliary tool of the present invention shown in Figure 1, showing the state of cutting the release paper at the edge of the adhesive decorative sheet, Figure 10 shows the state of cutting the edge of the adhesive decorative sheet in Figure 9, and Figure 11 shows the cut edge of the adhesive decorative sheet in Figure 10. Figure 12 is an explanatory diagram of the method of using the handheld cutter with auxiliary tool of the present invention shown in Figure 1, where (a) shows the state of attaching the adhesive decorative sheet to one end of the corner member, and (b) shows the state of cutting the attached adhesive decorative sheet. Figure 13 is an explanatory diagram of the method of using the handheld cutter with auxiliary tool of the present invention shown in Figure 1, where (a) shows the state of attaching another adhesive decorative sheet to the other end of the corner member in Figure 12, and (b) shows the state of cutting the attached adhesive decorative sheet. Figure 14 shows the state of cutting the overlapping portion of the adhesive decorative sheet attached to the corner member in Figure 13. Figure 15 is an explanatory diagram of how to use the handheld cutter with auxiliary tool shown in Figure 1, showing the state in which the release papers of two pre-cut adhesive decorative sheets are stacked. Figure 16 is an explanatory diagram of how to use the handheld cutter with auxiliary tool shown in Figure 1, where (a) shows the state in which two pre-cut adhesive decorative sheets are stacked and cut, and (b) shows a schematic cross-sectional view.

[0036] The method of using the handheld cutter 1 with auxiliary tool of the present invention is as follows. First, as shown in Figure 9, the adhesive decorative sheet K is placed with the release paper L facing upwards. With the upper edge of the release paper L peeled back, the underlay plate 16 of the handheld cutter with auxiliary tool 1 is inserted between the decorative sheet body M and the release paper L, and one side end of the adhesive decorative sheet K is fitted into the opening 36 of the U-shaped paper guide member 34. Next, while guiding the adhesive decorative sheet K along the opening 36 of the U-shaped paper guide member 34, the handheld cutter with auxiliary tool 1 is moved horizontally in a straight line backward, so that the blade 10 of the handheld cutter cuts only the release paper L in a straight line. As a result, an adhesive decorative sheet N with a cut in it is obtained, with only the release paper L cut in a straight line at a position of about 30 mm from the side end of the adhesive decorative sheet K.

[0037] Furthermore, the handheld cutter 1 with an auxiliary tool of the present invention can easily cut not only the release paper L of the adhesive decorative sheet K, but also the decorative sheet body M and the release paper L simultaneously. As shown in Figure 10, a guide plate O such as a ruler is placed so that the blade 10 is positioned about 60 mm from the side edge of the notched adhesive decorative sheet N, the outer side wall of the U-shaped paper guide member 34a of the handheld cutter with an auxiliary tool is brought into contact with the guide plate O, the underlay plate 16 is inserted under the decorative sheet body M and the release paper L, and the handheld cutter with an auxiliary tool is moved horizontally in a straight line backward while guiding the adhesive decorative sheet K along the guide plate O, so that the blade 10 of the handheld cutter cuts the decorative sheet body M and the release paper L in a straight line. As a result, as shown in Figure 11, a strip-shaped adhesive decorative sheet P with a width of 60 mm and a cutting line in the center of the release paper L is obtained.

[0038] Next, another method of using the handheld cutter 1 with auxiliary tool of the present invention will be described. Specifically, the case of applying the adhesive decorative sheet K to the corner of the base material Q will be described. First, as shown in Figure 12, the adhesive decorative sheet K is attached to one side edge of the base material Q. With the inner side wall of the rectangular plate member 56 of the handheld cutter with auxiliary tool 1 in contact with the side wall of the base material Q, another cutter R is inserted into the slit 54, and the handheld cutter with auxiliary tool 1 is pulled along the side wall of the base material Q together with the cutter R, thereby cutting the adhesive decorative sheet K in a straight line. Next, as shown in Figure 13, the adhesive decorative sheet K is attached to the other side wall of the base material Q and can be cut using the cutter R in the same manner as above. Furthermore, in this case, an overlapping portion is formed at the corner of the base material Q. As shown in Figure 14, the handheld cutter 1 with auxiliary tool of the present invention is positioned with the inner side wall of the rectangular plate member 56 of the handheld cutter 1 in contact with the side wall of the base material Q, and the side edge of the rear notch 48 is positioned above the overlapping portion. By cutting the overlapping portion of the two adhesive decorative sheets K along the side edge of the rear notch 48 with another cutter R, the sheets can be neatly bonded at the corner.

[0039] By using the handheld cutter 1 with auxiliary tool of the present invention, it is possible to easily and accurately cut the release paper of an adhesive decorative sheet in a straight line. Because the cut surface of the release paper is precisely straight, when attaching the adhesive decorative sheet to a wall or other surface, air can be evenly removed from the attached area, resulting in a beautiful finish. In addition, because a sufficient surface area for adhesion can be secured, it is possible to neatly attach the sheet to curved surfaces such as the outer edges of desks and tables.

[0040] Next, a method for overlapping and pasting two pre-cut adhesive decorative sheets N and S, prepared using the handheld cutter 1 with auxiliary tool of the present invention, will be described. First, using the same method as shown in Figure 9, prepare two pre-cut adhesive decorative sheets N and S, each with a slit in the release paper L and T extending 30 mm from the side edge of the adhesive decorative sheet K.

[0041] Next, as shown in Figure 15, attach the pre-cut adhesive decorative sheet N to the wall, leaving the release paper L in a 30mm area from the side edge and peeling off the rest. Then, similarly, attach the other pre-cut adhesive decorative sheet S to the wall, leaving the release paper U in a 30mm area from the side edge and peeling off the rest, so that it overlaps with the release paper L, on top of the first pre-cut adhesive decorative sheet N that was attached.

[0042] Next, as shown in Figure 16(a), a ruler (not shown) is placed 15 mm from the side edge of the perforated adhesive decorative sheet S, and a cutter R separate from the handheld cutter 1 with an auxiliary tool is used to perform overlapping cuts. At this time, as shown in Figure 16(b), the decorative sheet body T and release paper U of the perforated adhesive decorative sheet S and the decorative sheet body M of the perforated adhesive decorative sheet N are cut (the release paper L of the perforated adhesive decorative sheet N is not cut). As a result, a 15 mm area from the side edge of the decorative sheet body T and release paper U of the perforated adhesive decorative sheet S is removed. The cutting position can be appropriately changed depending on the repeat (pattern repetition position) of the perforated adhesive decorative sheets N and S.

[0043] Finally, by peeling off the remaining portion V of the release paper U of the pre-cut adhesive decorative sheet S, the 15mm area from the side edge M of the pre-cut adhesive decorative sheet N, and the release paper L of the pre-cut adhesive decorative sheet N, the overlapping of the adhesive decorative sheets N and S is completed.

[0044] By using the handheld cutter 1 with auxiliary tool of the present invention, when overlapping adhesive decorative sheets, it is possible to precisely cut them at a specific distance from the side edge of the decorative sheet, allowing the remaining release paper to be neatly joined. This allows for clean cutting of the repeat portion of the adhesive decorative sheet, further improving the quality of the finished product. [Industrial applicability]

[0045] The auxiliary tool for a handheld cutter and the handheld cutter with the auxiliary tool of the present invention are industrially useful because they can be used as tools for applying adhesive decorative sheets. [Explanation of Symbols]

[0046] 1. Handheld cutter with auxiliary tool 2 Handheld cutter 3. Auxiliary tools for handheld cutters 10 blades 12 Blade 14 Gripping part 16 Underlay Plate 18 Plate 1 20 Second Plate 22 screw holes 24 screw holes 26 screw holes 28 Fixtures 30 J-piece 32 openings 34 U-shaped paper guide member 36 Aperture 38 Connecting plate 40 Support Plate 42 screw holes 43 Fixtures 44 Suppression plate 46 Front cutout 48 Rear cutout 50 aperture 52 Aperture 54 slits 56 Rectangular plate member K Adhesive decorative sheet L Release paper M Decorative sheet main body N Pre-cut adhesive decorative sheet O Guide Plate P-shaped adhesive decorative sheet Q Substrate material R Cutter S Pre-cut adhesive decorative sheet T Decorative sheet main body U release paper V Remaining portion of release paper U W Remaining portion of release paper L

Claims

1. An auxiliary tool for a handheld cutter, which is attached to at least one side of a handheld cutter when the handheld cutter is in an upright position, comprising a blade portion having a blade at the tip, a grip portion connected to the base end of the blade portion, and a base plate positioned at a predetermined distance below the blade of the blade portion, When the aforementioned auxiliary tool for the handheld cutter is attached to the handheld cutter, the auxiliary tool for the handheld cutter is provided with a U-shaped paper guide member that is positioned parallel to the blade of the blade portion at a specific distance and extends in the front-rear direction, and the opening of the U-shaped paper guide member is directed toward the blade. When the auxiliary tool for the handheld cutter is attached to the handheld cutter to cut an adhesive decorative sheet, the auxiliary tool for the handheld cutter is characterized in that the underlay plate of the handheld cutter is inserted between the decorative sheet body and the release paper of the adhesive decorative sheet, or under the decorative sheet body and the release paper of the adhesive decorative sheet, and the side edge of the adhesive decorative sheet is passed through the opening of the U-shaped paper guide member, thereby guiding the release paper in a straight line, and the blade of the handheld cutter cuts only the release paper or the decorative sheet body and the release paper in a straight line.

2. An auxiliary tool for a handheld cutter, which is attached to both sides of the handheld cutter when the handheld cutter is in an upright position, The auxiliary tool for a handheld cutter according to claim 1, characterized in that the U-shaped paper guide member comprises a first U-shaped paper guide member and a second U-shaped paper guide member.

3. A handheld cutter comprising a blade portion having a blade at its tip, a grip portion connected to the base end of the blade portion, and a base plate positioned below the blade of the blade portion at a predetermined distance, The handheld cutter is positioned upright, and the handheld cutter is equipped with an auxiliary tool for the handheld cutter that is attached to at least one side of the handheld cutter. The aforementioned auxiliary tool for the handheld cutter is equipped with a U-shaped paper guide member that is positioned parallel to the blade of the blade portion at a specific distance and extends in the front-rear direction, with the opening of the U-shaped paper guide member facing the blade. When cutting an adhesive decorative sheet, the auxiliary tool for the handheld cutter is characterized in that the handheld cutter inserts the underlay plate of the handheld cutter between the decorative sheet body and the release paper of the adhesive decorative sheet, or under the decorative sheet body and the release paper of the adhesive decorative sheet, and passes the side edge of the adhesive decorative sheet through the opening of the U-shaped paper guide member, thereby guiding the release paper in a straight line, and the blade of the handheld cutter cuts only the release paper or the decorative sheet body and the release paper in a straight line.

4. The aforementioned auxiliary tool for the handheld cutter is attached to both sides of the handheld cutter when the handheld cutter is in an upright position. The handheld cutter with an auxiliary tool according to claim 3, characterized in that the U-shaped paper guide member comprises a first U-shaped paper guide member and a second U-shaped paper guide member.

Citation Information

Patent Citations

  • Cutter knife prevented from damaging backing

    JP2001224871A