JPH06122854A - Method for adhesive tape and device therefor - Google Patents

Abstract

PURPOSE:To provide the method and device for adhering the tape and for simultaneously automatically forming a folded part on the tip of the tape so as to facilitate the peeling of the adhered tape. CONSTITUTION:A V-shaped lever 50 is attached to a tape-cutting device 10 through springs 60 so as to be placed at a position 2 by the overcenter action of the springs 60, and the tip of the cut tap on the side of an adhering roller 20 is nipped between one piece of the V-shaped lever 50 and the adhering roller to form a folded part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention is wound into a roll,
The present invention relates to a method and a device for forming a fold in the first portion of a tape when a tape having an adhesive or a pressure sensitive adhesive applied to the back surface is attached.

[0002]

2. Description of the Related Art There are various tapes to be applied on a road surface and other objects. For example, (1) a masking tape to be applied to a portion which is not applied when a paint is applied. (2) Tape for road marking. In general, glass beads are adhered to the surface of the glass, and at night, the light emitted from the headlamps of a car is retroreflected to improve the visibility to the driver. (3) Tape for vehicle guidance. This has a surface coated with a substance that can be detected by various sensors mounted on the vehicle (such as magnetic powder or a light-reflecting agent such as aluminum powder). (4) Marking tape for various sports such as gymnasiums. (5) Affixing the tape used for attaching temporary notices such as memos and posters. And so on.

Of these tapes, one that is temporarily attached has one end folded so that it can be easily grasped, which is convenient for peeling.
In the past, this folding was done manually. 15 to 18 show an example of a handcart type device for applying a tape, FIG. 15 is a perspective view showing the entire structure, and FIG. 16 is a side view of FIG. 15 seen from the R direction. The pusher type tape applying device 10 has a handle 1, a handle 2, a frame 3, a member supporting lever 4, an operating lever 5, a front wheel 6, a pressing roller 7 (which also serves as a rear wheel), and the like. The member supporting lever 4 includes a tape 8 wound in a roll shape, an attaching roller 20, a guide disk 21, a tape retainer 23, a tape cutting device 34, and a cutting device lever 3.
3rd grade is supported. A cutting lever 31 is attached to the handle 2. In FIG. 2, GL represents the ground.

FIG. 17 shows a state during the sticking operation. When the handle 2 is pushed down to push the sticking roller 20 against the ground GL and the entire apparatus 10 is advanced in the direction of arrow S, the sticking roller 20 and the front wheel 6 are shown. , Pressing roller 7
Rotates in the direction of arrow R in the figure, the wound tape 8 rotates in the direction of arrow D, the tape is gradually unrolled and adhered to the ground by the application roller 20, and the adhered tape portion 82 is It is firmly adhered by the pressing roller 7.

FIG. 18 shows a state at the end of the sticking work. When the sticking device 10 reaches a predetermined position for ending the sticking of the tape, the force pushing the handle 2 downward is released. Then, the member support lever 4 is rotated counterclockwise by the spring 43 until it hits the stopper 44. Then, when the handle 2 and the cutting lever 31 are grasped, the cutting lever 31 rotates counterclockwise toward the handle 2 as indicated by an arrow P, pulls the wire 32, and the cutting device lever 33 centers the fulcrum 36. The tape cutting device 3 rotates clockwise in the direction of arrow S1 against the spring 35.
Cut the tape with 4.

After cutting, if the grip of the cutting lever 31 is loosened, the wire 32 is also loosened, and the cutting device lever 33 rotates about the fulcrum 36 until it hits the stopper 37.
Return to the state of and prepare for the next pasting work. Since such a conventional device cannot automatically fold the ends of the adhesive, it is necessary to manually fold the ends inward to form a knob for peeling the tape.

[0007]

According to the present invention, in order to solve the above-mentioned problems, in a tape applying method, a tape drawn from a roll around which the tape is wound is placed on an object by an earthing applying roller. Pasting, after finishing the pasting work, raise the pasting roller, move the tape cutting device to the direction of the pasting roller to cut the tape, and then mount it on the tape cutting device via a spring. The rear piece of the V-shaped lever, which is rotatably mounted by a pin, is pressed against the pasting roller or part of its member, whereby the spring overcenters the mounting pin of the V-shaped lever, At the front piece, scrape the cut tape on the side of the sticking roller, and scrape it up toward the sticking roller with the adhesive surface inside.
A tape sticking method characterized in that a fold is formed at the tip of the tape by pressing the raised portion of the tape that is cut between the front piece of the L-shaped lever.

In addition, in a tape sticking device equipped with a roll wound with a tape, a tape sticking roller, a tape cutting device, a tape retainer, etc., the tip of the device body of the tape cutting device is formed into a cutting blade, and a side plate of the device body is formed. A V-shaped lever is rotatably mounted by a mounting pin via a spring, and the front part and the rear part of the V-shaped lever come into contact with a sticking roller or a part of its member during the reciprocating motion of the tape cutting device. A tape sticking device having such a length that the spring is configured to overcenter the mounting pin when each piece hits the sticking roller. Is what I got.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing the overall construction of a tape sticking device 10 of the present invention, and FIG. 2 is a side view of FIG. 1 viewed from the R direction, which is a handcart type similar to FIG. , Figure 1
5, the same reference numerals as those in FIG. 16 represent the same parts, and the basic tape attaching operation is also the same.

When the tape 8 is attached, the tape holder 23 is rotated around the fulcrum 24 so as to be released from the tape, and the handle 2 is pushed down in the direction of arrow R _{1 in} FIG. The member supporting lever 4 is provided with a spring 43 around the fulcrum 45 as indicated by an arrow D _1.
Counterclockwise to rotate the application roller 20 to the ground. In the figure, reference numeral 25 is a spring that holds the tape holder 23 by an over-center method.

The tape 8 is coated with an adhesive or a pressure-sensitive adhesive on the surface in contact with the ground GL. The basic operation of attaching and cutting the tape is the same as that of the device shown in FIGS. It goes without saying that the forward direction of the apparatus 10 is the arrow direction S in FIG. 3 is a perspective view of the tape cutting device 34 according to the present invention, and FIG. 4 is a side view of FIG. 3 as seen from the direction A. The cutting device body 34a has a cutting blade 34 at its tip.
It is formed in b and has side plates 34c on both sides of its central portion, and the V-shaped lever 50 is pivotally supported by the mounting pins 53 on the side plates 34c.

The V-shaped lever 50 comprises a front piece 51 and a rear piece 52 with a mounting pin 53 as a boundary. A tension spring 60 is stretched between the spring mounting pin 54 provided on the side plate 34c and the spring mounting pin 55 provided on the rear piece 52 of the V-shaped lever so as to overcenter the mounting pin 53. As a result, the V-shaped lever 50 is rotated in the clockwise direction from the position shown in FIG.
Take two positions, a second position that touches.

FIG. 5 and the following figures sequentially show explanatory views showing the order of folding formation at the end portion of the tape by the method and apparatus of the present invention. In FIG. 5, the tape sticking device 10 advances in the direction of arrow S, the sticking roller 20 is grounded and wound on the wound tape 8 in the direction of arrow D, and the sticking roller 20 is shown by arrow R.
The tape is rolled out by rotating in the direction. Reference numeral 82 denotes a tape adhered on the ground.

As shown in FIG. 6, when the pasting device reaches the end point of the tape pasting position, the device 10 stops, and if the force holding the handle 2 is loosened as described above, the sticking roller 20 together with the handle 2 is also indicated by an arrow. Rise as indicated by U. FIG. 7 shows the time when the tape is cut. When the cutting lever 31 is grasped, the wire 32 is pulled to rotate the cutting device lever 33 clockwise around the fulcrum 36 (see FIG. 2), and the tape cutting device 34 is indicated by an arrow R. And move it to the left in the figure,
The tape is cut by the cutting blade 34b at the tip and is still advanced to the left. Reference numeral 81 indicates the tip portion of the cut tape.

FIG. 8 shows a state in which the tape cutting device 34 further advances and the rear piece 52 of the V-shaped lever 50 hits the tape attaching roller 20 and the V-shaped lever starts to rotate clockwise. In FIG. 9, the V-shaped lever 50 has an arrow C.
When the front piece 51 is cut between itself and the attaching roller 20, the front end 81 of the tape is scraped up with the surface coated with the adhesive inside.

As shown in FIG. 10, when the V-shaped lever 50 rotates to some extent, the spring 60 overcenters the mounting pin 53, and the V-shaped lever 50 is in the second position where the rear piece 52 contacts the cutting device body 34a. Then, the tape is sandwiched between the front piece 51 and the attaching roller 20 with the adhesive inside to form the folding 83. After the tape is cut as described above, when the cutting lever 31 is loosened, the wire 32 is also loosened, the lever 33 is rotated counterclockwise by the spring 35, and the tape cutting device is also operated by the arrow T in FIG.
As shown by, move backward to the left in the figure.

Then, the front piece 51 is attached to the attaching roller 20.
It hits and rotates counterclockwise as shown by arrow E. When the V-shaped lever 50 rotates counterclockwise to some extent, the spring 60 overcenters the mounting pin 53,
As shown in FIG. 12, the V-shaped lever has a first position (FIG. 5, FIG. 6, FIG. 7) in which the front piece 51 contacts the cutting device body 34a.
Etc. 13), when the lever 33 hits the stopper 37 as shown in FIG. 13, the tape cutting device 34 also returns to the old position shown in FIG. 2, and the sticking device is completely completed. A fold 83 is formed at the tip of the tape to be attached next. Since the folded portion has the surface on which the adhesive is applied inside, it cannot be once formed.

In FIG. 13, for the next sticking, when the sticking roller 20 is grounded by pushing down the handle 2, the tape also descends with the fold 83 formed at the tip of the tape, and the fold 83 as shown in FIG. First, the tape attaching work is performed. Since the fold 83 is not adhered, it can be picked up, and when the tape is peeled off, it can be easily peeled off.

However, it is not possible to automatically form the folds only in the first attachment, and the folds can be automatically formed from the end of the first time. In the embodiment described above, the tension spring is used in the tape cutting device, but an example using the compression spring will be described below with reference to FIG. 19 is a perspective view of another example of a tape cutting device using a compression spring, FIG.
FIG. 9 is a side view of FIG. 18 viewed from the direction A, where 34a is a cutting device body, 34b is a cutting blade, 34c is a side plate, 50 is a V-shaped lever, 51 is a front piece, 52 is a rear piece, and 53 is Although it is the same as the case of FIG. 3 and FIG. 4 as a mounting pin, in this example, the compression spring 70 is fitted between the bent portion 50d of the V-shaped lever 50 and the compression spring receiver 34d.

The rear piece 52 is U-shaped and has a gap 52S through which the spring 70 passes, as will be described later.
21 and subsequent drawings are explanatory views of the action, and FIG. 21 shows a case corresponding to FIG. 9, and as shown by an arrow F, the rear piece 52
22 is pressed by a sticking roller or the like, it is pushed as shown in FIG. 22, and the compression spring 70 bends the bent portion 50d of the V-shaped lever 50.
Since the key is being pushed, when the V-shaped lever is rotated clockwise for a certain amount or more, the spring is reversed so that the state shown in FIG. 23 is obtained. At this time, the spring 70 moves the gap 5 of the rear piece 52.
It passes through 2S and curves downward.

FIG. 24 corresponds to FIG. 11, and when the cutting device retracts, the front piece 51 receives a force as indicated by an arrow F by the sticking roller or the like, and returns from the state of FIG. 25 to the state of FIG. .

[0022]

[Effect] When a tape is attached, a fold can be automatically formed at the tip of the tape to be attached, and when the attached tape is peeled off, the fold can be pinched and easily peeled off.

[Brief description of drawings]

FIG. 1 is a perspective view showing the external appearance of an apparatus according to the present invention.

FIG. 2 is a side view of FIG. 1 viewed from the R direction.

FIG. 3 is a perspective view of the tape cutting device of the present invention.

FIG. 4 is a side view of FIG. 3 viewed from the direction A.

FIG. 5 is an explanatory diagram of a state in which a tape is being attached.

FIG. 6 is an explanatory diagram of a state at the end of pasting.

FIG. 7 is an explanatory diagram of a state at the time of cutting.

FIG. 8 is an explanatory diagram of a state in which the rear piece contacts the attaching roller.

FIG. 9 is an explanatory diagram of a state in which the V-shaped lever is rotating.

FIG. 10 is an explanatory diagram of a state in which a fold is formed.

FIG. 11 is an explanatory view showing the tape cutting device retracting and the front piece hitting the attaching roller.

FIG. 12 is an explanatory diagram of a cutting end state.

FIG. 13 is an explanatory diagram of a state at the start of the next pasting work.

FIG. 14 is an explanatory diagram of a state during the next pasting work.

FIG. 15 is a perspective view of a conventional device.

16 is a side view of FIG. 15 viewed from the R direction.

FIG. 17 is an explanatory diagram of a state during the pasting work.

FIG. 18 is an explanatory diagram of a state at the end of pasting work.

FIG. 19 is a perspective view of another example of a cutting device using a compression spring.

FIG. 20 is a side view of FIG. 19 seen from the direction A.

FIG. 21 is a view showing a state where force is applied to the V-shaped lever.

FIG. 22 is a view showing a state in which the V-shaped lever is rotating.

FIG. 23 is a view showing a state in which the V-shaped lever has rotated.

FIG. 24 is a view showing a case where a force is applied to the V-shaped lever in the opposite direction.

FIG. 25 is a view showing a state where the V-shaped lever is rotating.

[Explanation of symbols]

 1 Handle 2 Handle 3 Frame 4 Member Support Lever 5 Operating Lever 6 Front Wheel 7 Pushing Roller 8 Rolled Tape 9 Support Point 10 Tape Sticking Device 20 Sticking Roller 23 Tape Pressing 24 Support Point 25 Spring 31 Cutting Lever 32 Wire 33 Cutting Device Lever 34 Tape cutting device 34a Body 34b Cutting blade 34c Side plate 35 Spring 36 Support point 37 Stopper 43 Spring 44 Stopper 45 Support point 50 V-shaped lever 51 Front part piece 52 Rear part piece 53 Mounting pin 54 Spring mounting pin 55 Spring mounting pin 60 Spring 81 Tape tip 82 Attached tape 83 Fold

Claims (2)

[Claims] 1. A method of applying a tape, wherein a tape drawn from a roll around which the tape is wound is applied onto a target object by an earthing application roller, and the application roller is raised after completion of the application work. , The tape cutting device is moved in the direction of the attaching roller to cut the tape, and then the rear piece of the V-shaped lever rotatably mounted on the tape cutting device by a mounting pin via a spring. Against the sticking roller or a part of the member, whereby the spring overcenters the mounting pin of the V-shaped lever, and the front end of the V-shaped lever causes the tip of the cut tape on the sticking roller side. With the adhesive surface inside, scrape up toward the sticking roller and hold down the scraped part of the tape cut between the sticking roller and the front piece of the V-shaped lever. And by
A method for attaching a tape, characterized in that a fold is formed at the tip of the tape. 2. A tape sticking device equipped with a tape winding roll, a tape sticking roller, a tape cutting device, a tape retainer, etc., wherein the tip of the device body of the tape cutting device is formed into a cutting blade. A V-shaped lever is rotatably attached to the side plate by a mounting pin via a spring, and the front and rear pieces of the V-shaped lever are attached to a sticking roller or a part of the member during reciprocating movement of the tape cutting device. A tape sticking device, characterized in that the length is set so as to hit, and when each piece hits the sticking roller, the spring is configured to overcenter the mounting pin.