JPH10167553A - Cutter for pressure-sensitive adhesive tape - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cutter for pressure-sensitive adhesive tape. which can generate a folded end certainly when tape is cut and allows simple replacement of adhesive tape. SOLUTION: On the base 1, a cutter is equipped with a supporting means 2 to hold a pressure-sensitive adhesive tape T rotatably and a cutting means 3 to cut a tape 18, where a deforming member 15 is installed upright having a projection to be put in pressure contact with the adhering surface of the adhesive tape T for giving a certain deformation in the longitudinal direction of the tape 18. The base end of a cutter element 16 having a blade 22 is pivoted beside the deforming member 15 in such a way as upright, rotatably and facing outward, and a cutting means 3 formed by elastically energizing the cutter element 16 by an elastic member 9 is provided in a position beside the deforming means 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adhesive tape cutter capable of forming a bent end at the leading end of the adhesive tape when the adhesive tape is cut, and for easily replacing the adhesive tape.

[0002]

2. Description of the Related Art As a conventional adhesive tape cutter, there is one disclosed in Japanese Patent Application Laid-Open No. Hei 6-199463. Specifically, a ring member on which an adhesive tape is externally fitted is pivotally attached to a support base. At the same time, a guide roller is provided slightly apart, and the base end of a movable portion having a cutter at the tip is rotatably pivotally mounted on the side of the guide roller so that the cutter is positioned on the side of the guide roller. In some cases, the movable portion is elastically biased. At the time of use, while guiding the adhesive tape pulled out by the guide roller, tip the tip of the movable part with the cutter forward, cut it with the blade of the cutter, and return the movable part to the original state with elastic biasing force As a result, a bent end is formed at the tip of the adhesive tape.

[0003]

However, in the case of the conventional adhesive tape cutter, it is quite difficult to form the bent end at the tip of the adhesive tape 100% by merely moving the movable portion. There is a problem that it requires skill, and in reality, it has hardly been commercialized. Also, when the adhesive tape is used up and replaced with a new adhesive tape, the ring member is removed from the support base, the core of the used adhesive tape is removed from the ring member, and the ring with the new adhesive tape is attached. There is a problem that the work is very troublesome because the operation is performed by attaching the member to the support base.

Accordingly, an object of the present invention is to provide an adhesive tape cutter that can form a bent end reliably when the tape is cut, and that can easily replace the adhesive tape.

[0005]

The inventor of the present invention has made intensive studies to solve the above-mentioned problems. As a result, the support means for rotatably holding the adhesive tape on the base and the cutting for cutting the tape are provided. A tapered member having a projection that presses against the adhesive surface of the pressure-sensitive adhesive tape to form a curl in the longitudinal direction of the tape, and the side of the curlable member. In addition, the base end of the cutter member having the cutter blade is pivotally attached and erected so as to be rotatable outward, and the cutter member is elastically positioned so as to be located on the side of the habit member. An object of the present invention is to provide an elastically biased cutting means.

Further, it is preferable to provide, as the projecting portion of the curving member, a projecting ridge extending in the length direction of the tape and having a sharpened tip.

[0007] In addition, it is more preferable to provide a concave portion having a width slightly larger than the tape width, and to provide a ridge protruding in the longitudinal direction of the tape at a substantially central portion of the concave portion.

Further, two outer rollers for supporting the outer surface of the adhesive tape are provided as supporting means, and the inner roller is located between these outer rollers and elastically urged in the direction of pressing against the inner surface of the adhesive tape. It is more preferable to use a structure provided with rollers.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment in which the adhesive tape cutter of the present invention is embodied will be described.

FIGS. 1 to 4 relate to an adhesive tape cutter according to a typical embodiment of the present invention. As shown in FIG. 1, the adhesive tape cutter A is provided with support means 2 for rotatably holding the adhesive tape T on the upper surface of the base 1, and cuts the tape so that a bent end is formed at the tip. A cutting means 3 is provided.

First, the base 1 includes a substrate 4, a lower cover 5, and a rotation support plate 6, as shown in FIG.

The substrate 4 has a concave portion 7 for a receiving roller formed by cutting out a part of a peripheral edge of a shallow cylindrical member having an open lower surface.
A protruding shaft 8 is erected from both side surfaces of the receiving roller concave portion 7, and an elastic member 9 which is fitted in a fitting cylinder of a lower cover 5 described later and is a coil spring is provided on the inner surface of the substrate 4. A lock shaft 10 for locking one end of the shaft is provided upright.

The lower cover 5 has a disk shape that can be fitted into the opening surface of the substrate 4, is provided at a substantially central portion through a support tube 11, and can be fitted into the projecting shaft 8. In this structure, the opening surface of the substrate 4 is closed so that screws can be fixed.

The rotation support plate 6 is a disk having a diameter smaller than that of the lower cover 5. The rotation support plate 6 can be inserted into the support tube 11 of the lower cover 5 at a substantially central portion so as to be rotatably supported. The cylinder 13 is erected. The pivoting cylinder 13 is provided with a slit 13a extending partway from the upper end, and is provided with a retaining piece 13b at the upper end. A plurality of disc-shaped slip members 14 made of a soft material such as rubber are provided on the lower surface of the rotation support plate 6.

As shown in FIG. 3, the base 1 is assembled by fitting the locking shaft 10 into the fitting tube 12 and fitting it into the support tube 11 of the lower cover 5 screwed to the substrate 4. By inserting the pivot tube 13 of the pivot support plate 6 and forcibly exceeding the retaining piece 13b of the pivot tube 13, the substrate 4 can be freely rotated with respect to the pivot support plate 6.

As shown in FIGS. 3 and 8, the cutting means 3 comprises a habit forming member 15 and a cutter member 16.

The fixed member 17 is provided upright on the upper surface of the base 1 and has a size at which the tape 18 can be positioned on the upper surface of the fixed member 17, that is, a width slightly larger than the width of the tape 18. A concave portion 19 is formed, and the upper surface of the concave portion 19 is sharpened to have a triangular shape, and a ridge 20 protruding in the length direction of the tape 18 is provided at a substantially central portion. When pulling out this ridge 20 and the tape 18,
The ridges 20 of the kinking member 15 can press the adhesive surface to damage the length of the tape 18 to form a kinking. Especially,
By adopting the above-mentioned kinked member 15, the tape 18 is positioned in the concave portion 19, and by pulling out the tape 18, the tape 18 is prevented from moving left and right, and the adhesive surface is projected.
It is possible to make a habit surely by pressing against 20 and furthermore, with the ridge 20 which is the apex of the triangle, make a large scratch in the length direction of the tape at the approximate center of the tape 18 and add a habit You can do it.

In the illustrated example, the protruding member 20 is provided with a ridge 20 such that a substantially central portion of the upper surface protrudes in the lengthwise direction of the tape, but as shown in FIG. , Multiple ridges
20 may be provided, as shown in FIG. 10, cut diagonally so that a corner is formed, and this corner is
It may be 20. Further, as shown in FIG. 11, instead of providing the protrusion 20 on the upper surface, the protruding member 15 may be formed in a shape of a circular arc so as to form the protrusion 20a. In this manner, the tape 18 is pressed against the adhesive surface of the tape 18 and pressed.
Anything can be used as long as it makes a habit by scratching in the length direction.
Various shapes of protrusions can be used.

As shown in FIGS. 3 and 8, the cutter member 16 has pivot pins 24 on both sides of a lower portion of a rotating frame 23 provided with a cutter blade 22 at a tip thereof. The mounting piece 25 is provided from the lower end. Further, on the front surface of the fixed base 17, there is provided a storage recess 19a large enough to allow the cutter member 16 to be located, and with the mounting piece 25 of the rotary frame 23 positioned inside the base 1, The pivot pin 24 is pivotally attached to the inner surface of the storage recess 19a to be rotatable, and the rotating frame 23 is positioned in the storage recess 19a of the fixed base 17, as shown in FIG. The cutter blade 22 of the cutter member 16 is set to be slightly above the ridge 20. Then, as shown in FIGS. 5 and 7, both ends of the elastic member 9 are locked to the mounting piece 25 of the rotating frame 23 and the locking shaft 10 inside the substrate 4, and FIG.
As shown in FIG. 2, the rotating frame 23 can be held in a state where the rotating frame 23 is located in the storage recess 19 a of the fixed base 17.

As shown in FIG. 3, the support means 2 mainly includes a pair of receiving rollers 26a and 26b, a pressing roller 27, and a return elastically biasing the pressing roller 27 in a direction of pressing the inside of the adhesive tape T. And a spring 28.

Specifically, as shown in FIG. 3, one receiving roller 26a is formed by externally fitting both ends of the receiving roller 26a to the protruding shaft 8 of the receiving roller concave portion 7 provided with the base 1. roller
The whole 26a is rotatable. Further, the other receiving roller 26b and the pressing roller 27 are configured by assembling the support arm 29 and the rotating arm 30.

As shown in FIG. 3, the support arm 29 is provided with a connecting rod 32 and a pivotal cylinder body obliquely upward from the lower end of the surface of the holding piece 31.
32a is extended in an L-shape. The rotating arm 30 is
As shown in FIG. 3, a shaft 33 having a reduced diameter portion 33a at the tip end.
The connecting piece 34 and the pressing roller 27 are extended in an L-shape from the base end to make the whole substantially U-shaped.

Then, the pivotally attached cylindrical body 32a of the support arm 29 is
The other receiving roller 26b is externally fitted in the axial direction, and the rotation arm
30 is inserted into the pivotally attached cylindrical body 32a of the support arm 29, and the rotating arm 30 having the pressing roller 27 is moved to the support arm 29.
Return spring 28, which is rotatable with respect to
Around the tip of the shaft 33 of the rotating arm 30 and return spring
28 is fixed to the cover 35, and the other end of the return spring 28 is
33, and is elastically biased so that the pressing roller 27 is positioned below. That is, the protrusion 31a provided on the holding piece 31 of the support arm 29 is fitted into the fitting groove 36 provided on the back surface of the fixing base 17, so that the support arm having the rotating arm 30 with respect to the fixing member 17 is provided. 29 can be fixed.

Further, according to the adhesive tape cutter A of this embodiment, the pressing roller 27 of the rotating arm 30 is lifted upward with respect to the supporting arm 29 against the urging force of the return spring 28 and provided on the substrate 4. The surface of the adhesive tape T is supported by the receiving roller 26a and the receiving roller 26b provided on the support arm 29, and the pressing roller 27 is inserted and positioned in the core material 37 of the adhesive tape T. As shown in FIG. 5, the pressure-sensitive adhesive tape T can be rotatably held by the pressing roller 27 from the inner surface by the force. Then, the leading end of the tape 18 is pulled out from the adhesive tape T, and as shown in FIG. 7, the adhesive surface of the tape 18 is pressed against the ridge 20 of the curving member 15 provided on the upper surface of the fixing table 17 so that the length of the tape 18 is increased. While making a habit in the vertical direction, the adhesive surface of the tape 18 is brought into contact with the cutter blade 22 of the cutter member 16, and the cutter member 16 located in the storage recess 19 a of the fixing base 17 against the urging force of the elastic member 9 is moved. When the tape 18 is cut by the cutter blade 22 of the cutter member 16 in this state, the space between the hammering member 15 and the cutter blade 22 is bent inward, and a bent end 18a is formed at the leading end of the tape 18. Is formed.

Similarly, as shown in FIG. 1, when the tape 18 is pulled out while holding the bent end 18a formed at the front end, a pair of receiving rollers 26a and 26b,
The pressure-sensitive adhesive tape T supported by the pressing roller 27 rotates, and the ridges 20 of the curving member 15 provided on the upper surface of the fixing base 17 press the adhesive surface of the tape 18 in the longitudinal direction of the tape 18. While adding a habit, the adhesive surface of the tape 18 is brought into contact with the cutter blade 22 of the cutter member 16, and the cutter member 16 located in the storage recess 19 a of the fixing base 17 is turned outwardly against the urging force of the elastic member 9. When the tape 18 is cut by the cutter blade 22 of the cutter member 16 in this state, the space between the hammering member 15 and the cutter blade 22 is bent inward to form a bent end 18a at the leading end of the tape 18. You.

When replacing the adhesive tape T, the pressing roller 27 of the rotating arm 30 is lifted upward with respect to the support arm 29 against the urging force of the return spring 28, and the used adhesive tape T is removed. After the core material of the new adhesive tape T
Insert the holding roller 27 of the rotating arm 30 into the
The surface of the adhesive tape T is supported by the receiving roller 26a of the support arm 29 and the receiving roller 26b of the support arm 29, and the pressing roller
The new adhesive tape T can be set by inserting the adhesive tape T into the core material 37 of the adhesive tape T and positioning it, and pressing the inner surface of the adhesive tape T with the pressing roller 27 by the urging force of the return spring 28.

In the adhesive tape cutter A described above,
After the tape 18 is cut, the bent end 18a is formed. However, if the tape 18 is cut with the cutter blade 22 without rotating the cutter member 16 outward, a normal tape cutter is used. Can be used as Further, it is also possible to provide a stopper that can fix and hold the cutter member 16 with respect to the fixing table 17.

As described above, according to the pressure-sensitive adhesive tape cutter A of this embodiment, the tip of the tape 18 is pulled out from the pressure-sensitive adhesive tape T, and as shown in FIG.
Press the adhesive surface of the tape 18 against the ridge 20 of the 15
The tape 18 is cut while making a habit in the length direction of the tape.
And the cutter member 16 located in the storage recess 19a of the fixing base 17 is rotated outward against the urging force of the elastic member 9, and in this state, the cutter blade 22 of the cutter member 16 is rotated.
When the tape 18 is cut by the
Is bent inward to reliably form the bent end 18a.

Further, according to the adhesive tape cutter A of this embodiment, the pressing roller 27 of the rotating arm 30 is rotated upward with respect to the supporting arm 29 against the urging force of the return spring 28, and The support roller 26a provided on the support arm 29 and the support roller 26b provided on the support arm 29 support the surface of the adhesive tape T, and the pressing roller 27 is positioned within the core material 37 of the adhesive tape T, and the return spring 28 is attached. Since the adhesive tape T is held by being pressed from the inner surface by the force, it is possible to easily set a new adhesive tape T simply by rotating the pressing roller 27 of the rotating arm 30 with respect to the support arm 29. Can be.

Next, the adhesive tape cutter A of another embodiment is described.
Will be described. Adhesive tape cutter A of another embodiment
As shown in FIGS. 12 to 15, a holding roller 38 for externally fitting a core material 37 of an adhesive tape T is rotatably provided as a support means 2 behind the base 1. A disk-shaped pressing plate 39 is provided at predetermined intervals on the surface of the shaft 40 as a cutting means 3 as a cutting means 3, and the tip of the pressing plate 39 is pointed to rotate the rotating roller 41 formed with the ridge 20. The base member of the L-shaped rotating plate 42 provided with a freely provided curving member 15 and a cutter member 16 having a cutter blade 22 standing upright on the front thereof is rotatable,
The cutter blade 22 is positioned on the side of the
A contact member 43 is provided for contacting a part of the rotating plate 42 having
12, the bottom surface of the rotating plate 42 is elastically urged upward by an elastic member 9 using a coil spring, and the rotation of the rotating roller 41 and the rotating plate 42 is maintained. A support spring 44 formed by bending a wire material is interposed therebetween, supports the rotating roller 41 to be able to move up and down, and provides locking gears 45 at both ends of the rotating roller 41. A locking piece 48 that can be engaged with the groove 46 of the locking gear 45 below the locking gear 45.
Is provided.

As described above, according to the adhesive tape cutter A, when the tip of the tape 18 is pulled, the rotating roller 41 rotates and is guided by the pressing plate 39, and as shown in FIG.
18 is pulled out, and furthermore, the rotating plate 42 is pushed downward with the tape 18, the groove 46 of the locking gear 45 is engaged with the locking piece 47, and the rotating roller 41 is fixed, and the adhesive of the tape 18 is adhered. Habit member on the surface
Pressing the ridge 20 of the pressing plate 39 which is 15 and pulling out the tape 18 while giving a habit in the longitudinal direction, abutting against the stopper member 43 and the cutter blade 22, and as shown in FIG. When the cutter member 16 is rotated outwardly against the elastic urging force of the elastic member 9, the tape 18 is cut by the cutter blade 22, and the cutter member 16 returns to the original state by the elastic urging force of the elastic member 9. A bent end 18a is formed at the tip of the tape 18.

[0032]

As apparent from the above description, the following operations and effects are obtained. According to the pressure-sensitive adhesive tape cutter of the first aspect, the tape tip is pulled out from the pressure-sensitive adhesive tape, and the tape is cut while the tape is adhered to the ridge of the tapered member with the adhesive surface of the tape pressed in the longitudinal direction of the tape. Therefore, the adhesive surface of the tape is brought into contact with the cutter blade of the cutter member, the cutter member is rotated outward against the urging force of the elastic member, and the tape is cut by the cutter blade of the cutter member in this state. Then, the space between the curving member and the cutter blade is bent inward, so that a bent end is reliably formed.

According to the pressure-sensitive adhesive tape cutter of the second aspect,
As the protrusion of the curling member, the protrusion provided so as to extend in the length direction of the tape makes it possible to make a large scratch in the length direction of the tape and to form a curl. A bent end is formed at the end.

According to the adhesive tape cutter of the third aspect,
By positioning the tape in the recess and pulling out the tape, it is possible to restrict the tape from moving right and left, and to press the adhesive surface against the ridge to make sure that the tape has a habit. The part can be heavily scratched in the length direction of the tape and habited.

According to the adhesive tape cutter of the fourth aspect,
The pressing roller is rotated outwardly against the elastic urging force, and the surface of the adhesive tape is supported by the two receiving rollers. Since it is a structure that holds the adhesive tape by pressing from the outside, just moving the pressing roller outward,
A new adhesive tape can be set easily.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of an adhesive tape cutter according to a representative embodiment of the present invention.

FIG. 2 is a perspective view of the same adhesive tape cutter.

FIG. 3 is an exploded perspective view of the same adhesive tape cutter.

FIG. 4 is a side view showing a usage state of the adhesive tape cutter.

FIG. 5 is a longitudinal sectional view of FIG. 4;

FIG. 6 is a side view showing a state where the tape is pulled out when the adhesive tape cutter is used.

FIG. 7 is a longitudinal sectional view of FIG. 6;

FIG. 8 is a perspective view showing a state where the tape is pulled out when the adhesive tape cutter is used.

FIG. 9A is a plan view showing another habited member, and FIG.

10A is a plan view showing another member with a habit, and FIG.

FIG. 11A is a plan view showing another member with a habit, and FIG.

FIG. 12 is an explanatory sectional view of a pressure-sensitive adhesive tape cutter according to another embodiment before the tape is pulled out.

FIG. 13 is an explanatory cross-sectional view after the tape is pulled out in the adhesive tape cutter of another embodiment.

FIG. 14 is a side view of an adhesive tape cutter according to another embodiment.

FIG. 15 is a plan view illustrating a main part of an adhesive tape cutter according to another embodiment.

[Explanation of symbols]

A adhesive tape cutter T adhesive tape 1 base 2 support means 3 cutting means 4 substrate 5 lower cover 6 rotation support plate 7 recess for receiving roller 8 protruding shaft 9 elastic member 10 locking shaft 11 support cylinder 12 fitting cylinder 13 pivot Cylinder 14 Slip member 15 Curl member 16 Cutter member 17 Fixing table 18 Tape 19 Concave portion 20 Ridge 21 Corner 22 Cutter blade 23 Rotating frame 24 Pivot pin 25 Mounting piece 26 Receiving roller 27 Pressing roller 28 Return spring 29 Support arm 30 Rotating arm 31 Holding piece 32 Connecting rod 33 Shaft body 34 Connecting piece 35 Cover 36 Fitting groove 37 Core material 38 Holding roller 39 Press plate 40 Shaft body 41 Rotating roller 42 Rotating plate 43 Locking member 44 Support Spring 45 Locking gear 46 Groove 47 Locking piece

Claims (4)

[Claims] 1. An adhesive tape cutter comprising: a supporting means for rotatably holding an adhesive tape on a base; and a cutting means for cutting the tape, the adhesive tape cutter comprising:
A crimping member having a protrusion for crimping in the length direction of the tape by press-contacting is erected, and a base end portion of a cutter member having a cutter blade is pivotally attached to a side of the crimping member, and is outwardly formed. Characterized in that cutting means comprising a cutter member elastically biased by an elastic member is provided so as to be rotatably erected to the side and positioned on a side of the habit member. . 2. The pressure-sensitive adhesive tape cutter according to claim 1, wherein a protrusion extending in the length direction of the tape and having a sharpened tip is provided as a protrusion of the curling member. 3. The pressure-sensitive adhesive tape cutter according to claim 2, wherein a concave portion having a width slightly larger than the tape width is provided, and a ridge projecting in a length direction of the tape is provided at a substantially central portion of the concave portion. 4. As a support means, two outer rollers for supporting the outer surface of the adhesive tape are provided, and an inner roller which is located between these outer rollers and is elastically urged in a direction of pressing against the inner surface of the adhesive tape. 4. The adhesive tape cutter according to claim 1, wherein the adhesive tape cutter has a structure provided with rollers.