JP2003095524A - Tape cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reliably secure a cutter body to an adhering surface, to reduce force applied to the cutter body when releasing from the adhering surface so as to facilitate the releasing, and to repeat the securing and releasing. SOLUTION: The cutter body 30 comprises a tape support part 10 for supporting a rolled adhesive tape 1 rotably and removably, and a cutting part 20 having a cutter 2 for cutting a pull-out part of the adhesive tape 1, the cutter 2 being located in front of the tape support part 10, further comprises a hollow base 32 having a void part 31 through entire inside and an opening at its lower surface, a front part bottom plate 34 and a rear part bottom plate 35 for covering a front part and a rear part of the opening 33 of the hollow base 32, and an intermediate bottom plate 36 for covering an intermediate part of the opening 33, the intermediate bottom plate 36 slidably engaging with the front part bottom plate 34 and the rear part bottom plate 35. An adhering securing means 40 is formed of double adhesive layers 41, 42 which are interconnected via through holes 50 formed at the front part bottom plate 34 and the rear part bottom plate 35 and repeatedly adhered.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cutter, and more particularly to a tape cutter for pulling out an adhesive tape wound in a roll shape by a predetermined length and cutting the adhesive tape.

[0002]

2. Description of the Related Art Generally, a tape cutter of this type includes a tape support portion for rotatably and detachably supporting an adhesive tape wound in a roll shape, and the adhesive tape located in front of the tape support portion. And a cutter main body having a cutting part provided with a cutter for cutting the drawing part.

Further, conventionally, an adhesive resin layer as an adhesive fixing means capable of repeatedly adhering to the bottom surface of the cutter body is integrally formed, and for example, the cutter body is attached to the upper surface of a desk with an adhesive force (adhesive force) of the adhesive resin layer. It is known that the adhesive tape can be pulled out and cut by fixing the adhesive tape by means of the above method. We have developed an adhesive tape cutter that enables repeated fixing and re-peeling of the tape cutter with respect to the tape cutter (JP 2001-192A).
64). According to this structure, the tape cutter can be reduced in size and weight, and can be conveniently carried.

[0004]

By the way, in this type of adhesive tape cutter, when in use, there is an adhesive force such that the cutter body does not move even with respect to the force of pulling out and cutting the adhesive tape. is necessary. Therefore, it is necessary that the adhesive strength of the adhesive fixing means is such that the cutter body does not move during use.

However, if the adhesive strength of the adhesive fixing means is increased, not only a large force is required when peeling the cutter body from the adherend to change the installation location of the cutter body, but also the adhesive fixing means is attached. The bottom plate may bend and damage the bottom plate. In particular, the bottom plate of the cutter body is more likely to be damaged, such as cracks, in an atmosphere of a low temperature, for example, 5 ° C., compared to an atmosphere of a normal temperature, for example, 23 ° C.

Therefore, this type of adhesive tape cutter requires an adhesive force at the time of use so that the cutter body does not move against the force at the time of pulling out and cutting the adhesive tape. When peeling the cutter body from the adhered surface to change the installation location, there is a problem of antinomy, which has an adhesive force capable of peeling relatively easily.

The present invention has been made in view of the above circumstances, and it is possible to reduce the weight and size of the cutter body, to ensure the fixing of the cutter body to the adherend surface, and to apply a force to the cutter body when peeling from the adherend surface. It is an object of the present invention to provide a tape cutter that can be relaxed and easily peeled off, and can be repeatedly fixed and repeeled.

[0008]

To achieve the above object, a tape cutter according to the present invention comprises a tape support portion for rotatably and detachably supporting an adhesive tape wound in a roll shape, and the tape support. A cutter main body having a cutter that is located in front of the section and has a cutter that cuts the pull-out portion of the adhesive tape, and an adhesive fixing means formed at least at two front and rear positions on the bottom surface of the cutter main body. A tape cutter for, wherein the cutter body has a hollow base body having a hollow portion throughout the inside thereof and an open lower surface, and a front bottom plate and a rear portion for closing the front and rear portions of the lower surface opening of the hollow base body. A bottom plate, and an intermediate bottom plate that slidably engages the front bottom plate and the rear bottom plate and closes the middle part of the opening, and the adhesive fixing means are respectively the front fixing plates. Through a hole provided in the bottom plate and a rear base plate was formed by repeatedly adherable double adhesive layer bonded together comprising, characterized in that.

In the present invention, the adhesive surface of the adhesive fixing means includes an adhesive base region having parallel sides facing the front side or the rear side of the cutter body, and the inward side of the cutter body from the adhesive base region. It is preferable to provide an adhesion assisting region that extends and has a non-adhesion region in at least a part thereof (claim 2). In this case, the adhesive surface of the adhesive fixing means has an adhesive base region having parallel sides facing the front side or the rear side of the cutter body, and extends from the adhesive base region inward of the cutter body, and at least the The adhesive auxiliary region having a non-adhesive region may be provided in part, and the shape thereof may be arbitrary. For example, the adhesive fixing means may include a rectangular adhesive base region and both ends of the adhesive base region. It can be formed in a "U" shape composed of a pair of rectangular-shaped adhesion auxiliary regions extending inward of the cutter body. In addition, instead of the adhesive fixing means having a "U" shape, the same area as the "U" shape, for example, a "B" shape,
It can be formed in an “A” shape, a “T” shape, or a trapezoidal shape or a triangular shape.

Further, in the tape cutter according to claim 1 or 2, the gap between the adhesive surface of the adhesive fixing means and the front side or the rear side of the cutter body is different from the gap between the side side of the cutter body. Is preferably larger.

According to the first aspect of the present invention, the cutter main body has a hollow base body having a hollow portion throughout the inside thereof, and the lower surface is opened, and the front and rear portions of the lower surface opening portion of the hollow base body are closed. A front bottom plate and a rear bottom plate, and an intermediate bottom plate that slidably engages the front bottom plate and the rear bottom plate and closes the middle portion of the opening, and the adhesive fixing means are respectively the front bottom plate and the rear bottom plate. Compared with the adhesive strength of the outer adhesive layer that is exposed to the outside and adheres to the adherend, by forming it with a double adhesive layer that can be bonded repeatedly via the through holes provided in the rear bottom plate In addition to the adhesive force of the outer pressure-sensitive adhesive layer to the bottom surface of the bottom plate, the fixing force for connecting and molding the outer pressure-sensitive adhesive layer and the inner pressure-sensitive adhesive layer by sandwiching the through hole of the bottom plate is stronger. That is, the double adhesive layer is peeled off from the tape cutter. Les is not. Therefore, the tape cutter can be repeatedly fixed to the adherend and peeled off again to pull out and cut the adhesive tape. Further, the force applied to the cutter body when peeling the cutter body from the adhered surface can be dispersed and absorbed by the front bottom plate, the rear bottom plate and the intermediate bottom plate. It is possible to prevent the cutter body from being damaged by force. Therefore, it is possible to easily change the installation location of the cutter main body, and it is possible to easily repeat the fixing and re-peeling of the cutter main body.

According to the second aspect of the present invention, the adhesive surface of the adhesive fixing means has an adhesive base region having parallel sides facing the front side or the rear side of the cutter body, and the adhesive base region to the cutter body. Since it has an adhesion auxiliary area that extends inwardly of the adhesive tape and has a non-adhesive area in at least a part thereof, the cutter body can move even against the force of pulling out and cutting the adhesive tape during use. On the other hand, it is possible to obtain a non-sticky adhesive force, while the cutter body can be easily peeled off by the force from the side orthogonal to the front-back direction when changing the installation location of the cutter body. Therefore, it is possible to further reduce the force applied to the cutter body at the time of peeling from the adhered surface, and to peel the cutter body more easily.

According to the third aspect of the present invention, the gap between the side surface of the cutter body is larger than the gap between the adhesive surface of the adhesive fixing means and the front side or the rear side of the cutter body. The cutter body can be easily peeled off from the adhered surface by a smaller lateral force.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a tape cutter according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a side view showing an example of the tape cutter of the present invention, FIG. 2 is a bottom view of FIG. 1, FIG. 3 is a sectional view of the tape cutter, and FIG. 4 is a line AA of FIG. FIG.

The tape cutter comprises a tape support portion 10 for rotatably and detachably supporting the adhesive tape 1 wound in a roll shape, and a pull-out portion for the adhesive tape 1 located in front of the tape support portion 10. A cutter main body 30 having a cutting portion 20 provided with a cutter 2 for cutting and an adhesive fixing means 40 formed at two front and rear positions on the bottom surface of the cutter main body 30 constitute a main part.

The cutter body 30 has a hollow portion 31 in the entire inside thereof, and a plastic hollow base 32 having an open lower surface, and a plastic for closing the front and rear portions of the lower surface opening 33 of the hollow base 32. Front bottom plate 34 and rear bottom plate 35, and these front bottom plate 34 and rear bottom plate 3
5, and an intermediate bottom plate 36 that slidably engages with 5 and closes the intermediate portion of the opening 33.

In this case, the tape supporting portion 10 provided on the hollow substrate 32 is substantially composed of a rear wall 11 protruding in an arc shape toward the rear side and a pair of side walls 12 connected to both sides of the rear wall 11. A bearing groove 13 that bulges in a U-shape and that vertically and rotationally and detachably supports a reel 3 that detachably holds the adhesive tape 1 is provided on opposite surfaces of both side walls 12.
Is provided. This bearing groove 13 is shown in FIGS.
As shown in FIG.
An engaging groove portion 15 which is continuous with the lower end of the vertical groove portion 14 and bends forward with a gentle downward slope, and an engaging groove portion 15
And a semicircular arc-shaped portion 16 formed at the tip of the. Further, an elastically deformable projection 1 is provided at a portion near the upper end of the arcuate portion 16 on the tip end side of the bearing groove 13, preferably at a portion of the arcuate portion 16 that is close to the same circular locus.
7 is formed, and the bearing portion 18 of the reel shaft 4 is formed by the arcuate portion 16 and the protrusion 17 so that the reel shaft 4 is rotatably supported. In this case, the protrusion 1
7 is formed integrally with the reel supporting portion 10, that is, the hollow base 32.

Further, as shown in FIGS. 5 and 6, the protrusion 17 is formed in an arcuate cross section along the depth direction of the bearing groove 13. The height of the protrusion 17 is determined by the bearing groove 13
Although it depends on the width (0.5 mm to 3.0 mm),
Considering the elastic deformation of the protrusion 17, a dimension slightly larger than the difference between the width of the bearing groove 13 and the diameter of the reel shaft 4, for example, 0.
It is better to be about 1 mm to 2.0 mm. The reason is,
If the height of the protrusion 17 is smaller than 0.1 mm, the reel shaft 4
May freely move in the bearing groove 13 regardless of the protrusion 17, and the reel shaft 4 may be accidentally pulled out from the bearing groove 13. If the height of the protrusion 17 is larger than 2.0 mm, even if the protrusion 17 elastically deforms and contracts, the protrusion 1
This is because the height of 7 becomes larger than the difference between the width of the bearing groove 13 and the diameter of the reel shaft 4, making it impossible to attach or detach the reel 3.

As described above, the bearing groove 1 having one end opened
By forming an elastically deformable protrusion 17 on the inner side surface of 3, the protrusion 17 prevents the reel shaft 4 from coming out of the bearing groove 13 due to reaction or vibration when the adhesive tape 1 is pulled out during use. You can Further, when the reel 3 around which the adhesive tape 1 is wound is attached to the reel support portion 10, when the reel shaft 4 is inserted into the bearing groove 13, the protrusion 17 may be elastically deformed and inserted into the bearing groove 13. it can. Further, when the reel 3 is removed from the reel support portion 10, when the reel shaft 4 is pulled out from the bearing groove 13, the protrusion 17 can be elastically deformed and pulled out from the bearing groove 13.

Further, by using the arcuate portion 16 formed at the tip of the bearing groove 13 and the protrusion 17 formed in the vicinity of the arcuate portion 16 to form the bearing portion 18 of the reel shaft 4, it is used. It is possible to prevent the reel shaft 4 from rattling and to smoothly rotate the reel shaft 4.

Further, by forming the protrusion 17 in an arcuate cross section along the depth direction of the bearing groove 13, it is possible to make the contact region between the protrusion 17 and the reel shaft 4 linear as possible. Therefore, the reel 3 or the adhesive tape 1 can be easily attached to and detached from the reel supporting portion 10.

Further, the cutting portion 20 has arc-shaped top portions on both sides and a flat top portion at the middle thereof, and the middle flat portion 21 is perpendicular to the cutter 2 bent into a substantially l-shape. A mounting groove 22 into which the piece 2a is fitted is provided.

As described above, as shown in FIGS. 3 and 4, the hollow substrate 32 having the tape supporting portion 10 which is raised in a substantially U shape at the rear portion and the cutting portion 20 which is raised at the front portion is entirely formed as shown in FIGS. The hollow portion 31 is formed to have the same thickness, and a hollow portion 31 is formed by a hollow portion throughout the inside thereof. Therefore, the total material of the hollow substrate 32 can be reduced, and the weight can be reduced as much as possible.

The front bottom plate 34 and the rear bottom plate 35 are
As shown in FIG. 7 to FIG. 9, a rectangular engaging tongue piece 37 is projectingly provided at the center of one end located on the front side or the rear side of the cutter body 30, and a pair of rectangular shape is formed on both left and right sides. The engaging wing piece 38 is provided in a protruding manner, and the other end portion located inside the cutter body 30 is provided with a concave step portion 39 with which the intermediate bottom plate 36 is slidably engaged. The front bottom plate 3
4 and the rear bottom plate 35, a rectangular first concave portion 51 parallel to the front side 30a or the rear side 30b of the cutter body 30 is formed on the front or rear side of the cutter body 30, and the first concave portion 51. U-shaped recesses 53, 53A for mounting the adhesive fixing means 40, each of which has a pair of rectangular second recesses 52 extending from both ends of the recess 51 to the inner side of the cutter body 30,
A through hole 50 is formed in each of the first recess 51 and the second recess 52 so as to connect the U-shaped recesses 53 and 53A. Further, on both sides of the intermediate bottom plate 36, outwardly extending tapered engagement projections 36a are provided.

The front bottom plate 34 and the rear bottom plate 35 configured as described above open the engaging wing pieces 38 at the lower ends provided at four locations on the center side of the side of the opening 33 of the cutter body 30. The engaging tongue piece 37 is inserted into the rectangular guide groove 33a, and the engaging tongue piece 37 is inserted into the locking groove 33b extending from the guide groove 33a to the front or rear side of the cutter body 30. The front side and the rear side of the opening 33 of the cutter body 30 are closed in a state of being inserted into a rectangular lock receiving groove 33c which is provided in the center of the side or the rear side 30b and opens inward. Has become. In addition, the intermediate bottom plate 36
Fits the engaging protrusion 36a into the dovetail-shaped engaging groove 33d which is open at the lower end provided at the center of the side of the opening 33 of the cutter body 30, and the front side and the rear side. Is a concave step 39 provided on the front bottom plate 34 and the rear bottom plate 35.
The intermediate portion of the opening 33 of the cutter body 30 is closed in the state of being slidably engaged with the inside. The engagement protrusion 36a fitted in the engagement groove 33d is fixed with an adhesive.

On the other hand, the adhesive fixing means 40, as shown in FIGS. 1 to 4 and 7 to 9, has U-shaped concave portions 53, 5 provided in the front bottom plate 34 and the rear bottom plate 35.
3A and the double-sided pressure-sensitive adhesive layers 41 and 42 that can be repeatedly bonded to each other through the through holes 50. That is, the outer pressure-sensitive adhesive layer 41 arranged outside the front bottom plate 34 or the rear bottom plate 35, and the inner pressure-sensitive adhesive layer 42 arranged inside the front bottom plate 34 or the rear bottom plate 35 (cavity side), The connection pressure-sensitive adhesive layer 43 arranged in the through hole 50 firmly connects. In this case, the bonding surface 44 of the outer pressure-sensitive adhesive layer 41 of the pressure-sensitive adhesive fixing means 40 is bonded to a substantially rectangular bonding base region 46 having parallel sides 45 facing the front side or the rear side of the cutter body 30, and this bonding. It is provided with a substantially rectangular adhesion auxiliary region 48 extending from both ends of the base region 46 to the inside of the cutter body 30 and having a non-adhesion region 47 inside thereof. As described above, the adhesive surface 44 of the outer adhesive layer 41 of the adhesive fixing means 40 has the adhesive base region 46 having the parallel side 45 facing the front side or the rear side of the cutter body 30, and the adhesive base region 4.
6 and an adhesion auxiliary region 48 that extends inwardly of the cutter body 30 and has a non-adhesive region 47 inside thereof, the cutter body 30 can be configured so that the cutter body 30 can handle the force applied in the front-back direction of the cutter body 30. It can have an adhesive force that does not move and an adhesive force that can be peeled by the force applied to the lateral side of the cutter body 30 when the cutter body 30 is peeled from the adhered surface.

Further, the adhesive fixing means 40, that is, the front side 30a or the rear side 30b of the cutter body 30 of the adhesive surface 44 of the outer pressure-sensitive adhesive layer 41 (specifically, the lower surface opening 3)
Gap S between the front side (edge) or the rear side (edge) in FIG.
1, the gap S with the side edge 45 of the cutter body 30 (specifically, the side edge (edge) of the lower surface opening 33).
2 is formed large. In this way, the gap S1 between the adhesive surface 44 of the outer pressure-sensitive adhesive layer 41 of the adhesive fixing means 40 and the front side 30a or the rear side 30b of the cutter body 30.
With respect to the gap S2 with the side edge 45 of the cutter body 30,
By forming a large size, it is possible to increase the adhesive force of the adhesive surface 44 of the outer pressure-sensitive adhesive layer 41 against the longitudinal force of the cutter body 30, while the outer pressure-sensitive adhesive layer 41 against the longitudinal force of the cutter body 30. The adhesive force of the adhesive surface 44 can be reduced to facilitate the peeling of the cutter body 30. In this case, the gap S1 is preferably as small as possible, for example, 0 to 2 mm, and the gap S2 is preferably large while securing the stability of the adhesive force of the cutter body 30, for example, 2 It can be set to 10 mm.

The double pressure-sensitive adhesive layers 41 and 42 are made of polystyrene-based pressure-sensitive adhesive gel sheets, specifically, styrene-ethylene-butylene-styrene block copolymer / hydrogenated alicyclic resin / liquid paraffin = 100/100. / 100 (ratio is shown in parts by weight). in this way,
In order to form the adhesive fixing means 40 with the double adhesive layers 41 and 42, the front bottom plate 34 or the rear bottom plate 35 in which the through holes 50 are preliminarily formed is inserted into the mold, and the front bottom plate 34 or the rear part is formed. By a double molding method (double molding method) in which a fluid adhesive raw material composed of the above composition is poured into a mold provided around the through holes 50 on both sides of the bottom plate 35, and the material is molded by heating. It can be molded.

Thus, the front bottom plate 34 or the rear bottom plate 3
Double adhesive layers 41, 4 through through holes 50 provided in
By bonding the two to each other by the connecting pressure-sensitive adhesive layer 43, the outer pressure-sensitive adhesive layer 41 is exposed to the outside and has an adhesive force higher than that of the outer pressure-sensitive adhesive layer 41 that adheres to the adherend surface (not shown).
Of the outer pressure-sensitive adhesive layer 41
And the inner adhesive layer 42 are the front bottom plate 34 or the rear bottom plate 35.
Since the fixing force that is connected and molded by sandwiching the through hole 50 is stronger, the adhesive fixing means 40, that is, the double adhesive layers 41, 42.
Does not come off from the front bottom plate 34 or the rear bottom plate 35 of the tape cutter. Therefore, the tape cutter can be repeatedly fixed to the adherend and peeled off again to pull out and cut the adhesive tape. The adhesive fixing means 40
A release film 60 is releasably attached to the outer pressure-sensitive adhesive layer 41.

In the above embodiment, the adhesive fixing means 4
0, that is, the case where the outer pressure-sensitive adhesive layer 41 is formed in a "U" shape has been described, but the adhesive fixing means 40 does not necessarily have to be a "U" shape, and for example, a substantially rectangular shape as shown in FIG. The adhesive fixing means 40A may be used. Also in the adhesive fixing means 40A, in the front bottom plate 34 or the rear bottom plate 35, the gap S1 between the front side 30a or the rear side 30b of the cutter body 30 and the gap S2 between the side side 30c of the cutter body 30. It is preferable to form a large size. In this case, as shown in FIG. 12, the front bottom plate 3
4 or the upper surface of the rear bottom plate 35, a hollow rectangular recess 54
And a rectangular recess 55 is provided on the lower surface of the front bottom plate 34 or the rear bottom plate 35. A plurality of hollow rectangular recesses 54 and rectangular recesses 55, for example, four elongated through holes 50 are provided. Are communicated with. The number of through holes 50 may be one or more than four.

Since the other parts of the tape cutter having the adhesive fixing means 40A shown in FIG. 11 are the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted. .

Further, in the adhesive fixing means 40, 40A, in addition to the above-mentioned "U" shape or rectangular shape, as shown in FIG. 13, the adhesive surface 44 of the outer adhesive layer 41 has a cutter body 30.
Of the substantially rectangular adhesive base region 46 having parallel sides 45 facing the front side or the rear side of the cutter base 30, and extending from both ends of the adhesive base region 46 to the inside of the cutter body 30 and not inwardly. A center that includes a pair of substantially rectangular first adhesion auxiliary regions 48a having adhesion regions 47 and a second adhesion auxiliary region 48b that connects the inner ends of both first adhesion auxiliary regions 48a. It may be formed by the "B" shaped adhesive fixing means 40B having the non-adhesive region 47 in the part. Also, as shown in FIG. 14, the adhesive surface 44 of the outer pressure-sensitive adhesive layer 41 has a substantially rectangular adhesive base region 46 having parallel sides 45 facing the front side 30a or the rear side 30b of the cutter body 30.
And the cutter body 3 from the center of the adhesive base region 46.
The third bonding auxiliary region 48c, which extends inwardly of 0 and has non-bonding regions 47 on both sides thereof, is connected to the inner end of the third bonding auxiliary region 48c, and the bonding base Area 46
It may be formed by the “A” -shaped adhesive fixing means 40C including the fourth adhesion auxiliary region 48d extending in parallel therewith. Further, as shown in FIG. 15, the adhesive surface 44 of the outer pressure-sensitive adhesive layer 41 forms a substantially rectangular adhesive base area 46 having parallel sides 45 facing the front side 30a or the rear side 30b of the cutter body 30. A substantially rectangular fifth adhesion auxiliary region 4 that extends from the center of the adhesion base region 46 to the inside of the cutter body 30 and has non-adhesion regions 47 on both sides thereof.
It may be formed by the "T" -shaped adhesive fixing means 40D including 8e.

The above-mentioned "U" -shaped adhesive fixing means 40, "b"
Character-shaped adhesive fixing means 40B, "D" -shaped adhesive fixing means 40
In addition to the C or "T" -shaped adhesive fixing means 40D, a bonding base region having a parallel side 45 facing the front side or the rear side of the cutter body 30 and a non-bonding region at least in a part thereof. If it has a region,
5 is a trapezoidal adhesive fixing means 40E as indicated by a chain double-dashed line in FIG.
Alternatively, it may be a triangular adhesive fixing means 40F as shown by the one-dot chain line in FIG.

13 to 15, the other parts are the same as those in the first embodiment, and therefore, the same parts are designated by the same reference numerals and the description thereof will be omitted.

The tape cutter of the present invention constructed as described above can be usually placed and fixed on the upper surface of a desk for use, and as shown in FIG. It can be used in a fixed sideways state, and as shown in FIG. 17, it can also be used in a downward state fixed to the lower surface 72 of the desk 70. In any of these usage states, as described above, since there is no risk that the reel shaft 4 will accidentally slip out of the bearing groove 13 due to the protrusion 17 formed on the inner surface of the bearing groove 13, the tape cutter can be used with confidence. can do.

[0037]

EXAMPLES Next, the results of evaluating the relationship between the pulling direction of the adhesive fixing means and the adhesive force (adhesive force) in the present invention will be described.

As an experimental sample, a polystyrene gel double adhesive (corresponding to the double adhesive layers 41 and 42) is used. In addition, the use state and the peeled state of the cutter body 30 provided with the adhesive tape 1 to which the adhesive body (adhesive fixing means) is attached are as shown in FIGS. 18 (a) and 18 (b) in the vertical direction with respect to the cutter body 30. Power of the cutter body 30
About 45 ° in front of the cutter, horizontal force in front of the cutter body 30, about 45 on the side of the cutter body 30.
It is assumed that the force of ° and the horizontal force of the side of the cutter body 30 are applied to the cutter body 30. Among them, the adhesive body (adhesive fixing means) is a cutter body 30 due to a horizontal force when pulling out the adhesive tape 1 during use.
Requires an adhesive force (adhesive force) (for example, 50 N or more) that does not move, and when the cutter body 30 is peeled off, an adhesive force (adhesive force) that can be reasonably peeled off by the lateral force of the cutter body 30 {For example, 20-4
Since 0 N} is required, an experiment was conducted on the following experimental samples for these two forces.

Example 1: Rectangular entire surface adhesive gel (corresponding to adhesive fixing means 40A: FIG. 19 (a)) Example 2: "U" -shaped adhesive gel having the same area as in Example 1 (adhesive fixing Corresponding to the means 40: FIG. 19B) Comparative Example 1: Half of the adhesive gel along the front-back direction (FIG. 19)
(C)) Comparative Example 2: Half-divided adhesive gel divided in two along the front-rear direction (Fig. 19 (d))-Comparative Example 3: Half-divided adhesive gel divided in two in the direction orthogonal to the front-rear direction ( FIG. 19 (e)) Regarding Examples 1 and 2 and Comparative Examples 1 to 3 described above, after the cutter body 30 was pasted with the adhesive gel, the peeling force of the cutter body 30 was changed to the forward horizontal force, When the lateral force of the cutter body 30 was examined, the following results were obtained.

The force of Example 1 is 50.5 N, and the force is
It was 38.7 N, the force of Example 2 was 51.5 N, and the force was 28 N. On the other hand, the force of Comparative Example 1 is 12.3 N, the force is 8.8 N, the force of Comparative Example 2 is 34.8 N, the force is 15.7 N, and the force of Comparative Example 3 is Power is 20.1N, power is 12.3
It was N. As a result, the evaluation results shown in Table 1 were obtained.

[0041]

[Table 1]

As a result of the above experiment, in Example 1, the horizontal force in front of the cutter body 30 was 50.5 N, and there was no concern about the movement of the cutter body 30 during use. Horizontal force is 3
At 8.7 N, the cutter body 30 can be peeled off without difficulty, so the overall evaluation is good and is acceptable. In addition, in Example 2, both the horizontal force in front of the cutter body 30 and the horizontal force in the lateral direction of the cutter body 30 were sufficiently satisfactory values, and the overall evaluation was good. On the other hand, in Comparative Examples 1 to 3, Comparative Example 2 passed the peeling force with a horizontal force of 34.8 N in front of the cutter body 30, but in the horizontal direction of the side of the cutter body 30. Is as small as 15.7 N, and the cutter body 30 may move during use. In addition, Comparative Examples 1 and 3
It has been found that neither of the front horizontal force of the cutter body 30 and the side horizontal force of the cutter body 30 is sufficient, so that they are not suitable for use. Therefore, Comparative Examples 1 to
In the case of No. 3, the comprehensive evaluation was bad and was unacceptable.

From the results of the above experiment, it was found that it is preferable to use the "U" -shaped adhesive fixing means 40 of the second embodiment. In such a “U” -shaped adhesive fixing means 40, the adhesive surface 44 thereof has a rectangular adhesive base region 46 having a parallel side 45 facing the front side 30a or the rear side 30b of the cutter body 30. Since the adhesive base region 46 extends inward of the cutter body 30 and has a bonding auxiliary region 48 having a non-bonding region 47 in a part thereof, the horizontal force in front of the cutter body 30 is a reference. It is presumed that a value of 50N or more is obtained, and the lateral force of the cutter body 30 in the lateral direction is a value of 20N to 40N which is a reference value.

Therefore, the U-shaped adhesive fixing means 4
Other than 0, assuming that the area of the adhesive surface 44 is the same, the adhesive surface 44 is a rectangular adhesive having parallel sides 45 facing the front side 30a or the rear side 30b of the cutter body 30. The base region 46 and this adhesive base region 4
6 has an adhering auxiliary region 48 that extends inwardly of the cutter body 30 and has a non-adhesive region 47 in a part thereof. Similar to the adhesive fixing means 40, both the horizontal force in front of the cutter body 30 and the horizontal force in the lateral direction of the cutter body 30 are sufficiently satisfactory. Further, the "A" -shaped adhesive fixing means 40C and the "T" -shaped adhesive fixing means 40 having the non-adhesive areas 47 on both sides of the adhesion auxiliary area 48.
In D, the lateral force in the lateral direction of the cutter body 30 is slightly smaller than that of the U-shaped adhesive fixing means 40 and the "B" adhesive fixing means 40B, but it is a reference value. The value is 20N to 40N, and the cutter body 3
Since the horizontal force in front of 0 can obtain a value of 50 N or more, which is the reference value, it can be used in the comprehensive evaluation. Further, for the same reason, the trapezoidal adhesive fixing means 40E shown by the two-dot chain line in FIG. 18 and the triangular adhesive fixing means 40F shown by the one-dot chain line in FIG. 18 can also be used in the comprehensive evaluation.

[0045]

As described above, since the tape cutter of the present invention is constructed as described above, the following effects can be obtained.

(1) According to the first aspect of the invention, the tape cutter can be repeatedly fixed to the surface to be adhered and re-peeled to pull out and cut the adhesive tape. Further, the force applied to the cutter body when peeling the cutter body from the adhered surface can be dispersed and absorbed by the front bottom plate, the rear bottom plate and the intermediate bottom plate. It is possible to prevent the cutter body from being damaged by force. Therefore, it is possible to easily change the installation location of the cutter body,
The fixing and re-peeling of the cutter body can be easily repeated.

(2) According to the invention described in claim 2, the adhesive surface of the adhesive fixing means has an adhesive base region having parallel sides facing the front side or the rear side of the cutter body, and the adhesive base region. From the inside of the cutter body, and at least a part thereof is provided with an adhesion auxiliary area having a non-adhesion area, so that the cutter body is resistant to the force of pulling out and cutting the adhesive tape during use. While the adhesive force that does not move can be obtained, the cutter body can be easily peeled off by the force from the side orthogonal to the front-back direction when changing the installation location of the cutter body. Therefore, in addition to the above (1), the force exerted on the cutter body at the time of peeling from the adherend surface can be further alleviated, and the cutter body can be peeled off more easily.

(3) According to the third aspect of the invention, the gap between the side surface of the cutter body is larger than the gap between the adhesive surface of the adhesive fixing means and the front side or rear side of the cutter body. By doing so, the cutter body can be easily peeled off from the adhered surface with a smaller lateral force. Therefore, in addition to the above (1) and (2), the cutter body is further securely fixed to the adherend surface, the force applied to the cutter body at the time of peeling from the adherend surface is further alleviated, and the peeling is further facilitated. Can be done.

[Brief description of drawings]

FIG. 1 is a side view showing an example of a tape cutter of the present invention.

FIG. 2 is a bottom view of FIG.

FIG. 3 is a cross-sectional view showing a main part of the tape cutter.

4 is a sectional view taken along the line AA of FIG.

FIG. 5 is a side view showing a tape supporting portion in the present invention.

FIG. 6 is a perspective view of FIG.

FIG. 7 is an exploded perspective view of the tape cutter of the present invention seen from below.

FIG. 8 is a plan view (a) showing a front (rear) bottom plate and an adhesive fixing means in the present invention, a sectional view (b) taken along the line BB of FIG. 8 (a) and a bottom view (c).

FIG. 9 is a plan view (a), a side sectional view (b) and a bottom view (c) showing the front (rear) bottom plate.

FIG. 10 is a plan view (a) and a side view (b) showing an intermediate bottom plate according to the present invention.

FIG. 11 is a plan view (a) showing another adhesive fixing means and a front (rear) bottom plate according to the present invention, a sectional view (b) taken along the line CC of FIG. .

FIG. 12 is a plan view (a) showing the front (rear) bottom plate.
Sectional view (b) and bottom view (c) taken along the line D-D of (a).
Is.

FIG. 13 is a bottom view of the case where the adhesive fixing means according to the present invention is formed in a “b” shape.

FIG. 14 is a bottom view of a case where the adhesive fixing means according to the present invention is formed in an “A” shape.

FIG. 15 is a bottom view of a case where the adhesive fixing means according to the present invention is formed in a “T” shape.

FIG. 16 is a perspective view showing a usage state of the tape cutter of the present invention.

FIG. 17 is a perspective view showing another usage state of the tape cutter of the present invention.

FIG. 18 is an explanatory diagram showing a form of force applied to the cutter body in a used state and a peeled state of the tape cutter of the present invention.

FIG. 19: Adhesive force (adhesive force) when using a tape cutter
It is explanatory drawing which shows the shape of the experimental sample for investigating and peeling force.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Adhesive tape 2 Cutter 10 Tape support part 20 Cutting part 30 Cutter main body 30a Front side 30b Rear side 30c Side side 31 Cavity 32 Hollow base 33 Opening 34 Front bottom plate 35 Rear bottom plate 36 Intermediate bottom plate 40, 40A-40F Adhesive fixing means 41 Outer pressure-sensitive adhesive layer 42 Inner pressure-sensitive adhesive layer 43 Linking pressure-sensitive adhesive layer 44 Adhesive surface 45 Side 46 of adhesive surface 44 Adhesive base region 47 Non-adhesive region 48 Adhesion auxiliary regions 48a to 48e First to fifth adhesion auxiliary Area 50 Through hole S1 Gap between the bonding surface and the front side or rear side of the cutter body S2 Gap between the bonding surface and the side side of the cutter body

Claims (3)

[Claims] 1. A tape support part for rotatably and detachably supporting an adhesive tape wound in a roll shape, and a cutter located in front of the tape support part for cutting a pull-out part of the adhesive tape. A tape cutter comprising: a cutter body having a cutting portion; and adhesive fixing means formed at least at two front and rear positions on the bottom surface of the cutter body, wherein the cutter body has a hollow portion throughout the inside. A hollow base body having an open lower surface, front and rear bottom plates closing the front and rear portions of the lower surface opening of the hollow base body, and slidably engaging the front and rear bottom plates. , An intermediate bottom plate that closes the middle part of the opening, and the adhesive fixing means are connected to each other through the through holes provided in the front bottom plate and the rear bottom plate, respectively, and can be repeatedly bonded. Made by forming at a double adhesive layer, a tape cutter, characterized in that. 2. The tape cutter according to claim 1, wherein the adhesive surface of the adhesive fixing means includes an adhesive base region having parallel sides facing a front side or a rear side of the cutter body, and the adhesive base region. A tape cutter, characterized in that it comprises an adhesion assisting region extending inwardly of the cutter body and having a non-adhesion region in at least a part thereof. 3. The tape cutter according to claim 1 or 2, wherein a gap between a bonding surface of the adhesive fixing means and a front side or a rear side of the cutter body is different from a side side of the cutter body. A tape cutter characterized by a large size.