JP2000159165A - Tape sticking device and its method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable non-skilled workers to stick an adhesive tape easily, quickly and accurately to the surfaces of the vertical window frames of door panels different in width along the longitudinal direction. SOLUTION: A device includes an upper unit having an upper locked portion 25 adapted to be detachably locked to a preset position on a work 13 and a leader mounting portion 27 to which a leader 16 following one end of a pasted portion 15 of an adhesive tape 11 with a separatable sheet is connected, and a lower unit 37 having a lower locked portion 38 adapted to be detachably locked to a preset position on the work 13 and a rotatable holding roller 39 on which an extra portion 17 following the other end of the pasted portion 27 is wound. In the condition that the upper unit 24 is locked to a preset position on the work 13, the leader mounting portion 17 is arranged in proximity to one end of a tape pasted face 13 and, in the condition that the lower unit 37 is locked to a preset position on the work 13, the holding roller 39 is arranged apart from the other end of the tape pasted face 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape sticking apparatus and a tape sticking method for peeling and sticking a band-shaped adhesive tape from a release sheet along a tape sticking surface formed on a work.

[0002]

2. Description of the Related Art Matting black inside and outside of a window frame (door sash) formed on a door panel of an automobile is required to reduce the light of the window frame when viewed from outside the vehicle, especially from the side of the vehicle body. This is desirable for suppressing reflection of light and ensuring a clear view not only of the vehicle interior but also of the entire vehicle body.

[0003] For this reason, it has been customary to spray a matte black paint on the window frame. However, spray coating requires additional equipment for maintaining a good working environment, and it has various disadvantages such as time-consuming drying of the paint. JP-A-51-135015 discloses a method of attaching a good matte black adhesive tape to a window frame.
And JP-A-62-46780. In this case, the window frame portion of the car is, as is well known, occupied mostly by a three-dimensional curved surface portion, so that the above-described attaching device is extremely large, and when incorporated into an actual production line, The equipment cost of the production line is increased, the followability to the design change of the window frame is poor, and the versatility is poor.

However, when an operator attempts to perform this sticking operation only manually without using any jigs, it is extremely expensive to perform this operation accurately at a speed corresponding to the production line of an automobile. Work skill will be required.

[0005] Therefore, in order to perform the above-mentioned work easily and quickly without a skilled worker, for example, Japanese Patent Application Laid-Open No. 5-3 / 1993.
Japanese Patent No. 38627 discloses a tape sticking device, and by using this tape sticking device, even a skilled worker can easily and quickly stick an adhesive tape to a predetermined position of a window frame accurately. You can do it. In addition, a device for automatically assembling a weather strip to a window frame portion, for example, a device disclosed in Japanese Patent Application Laid-Open Nos. 2-215882, 3-166068 or 5-65298 can be applied. Is believed to be.

[0006]

Problems to be Solved by the Invention Japanese Patent Application Laid-Open No. 5-33862
The conventional tape sticking device disclosed in Japanese Patent Publication No. 7 has a drawback that the structure is complicated, there are many moving parts, the manufacturing cost is increased, and the tape is assumed to use a tape having a fixed width. It is basically difficult to adapt this to different vertical window frame parts at the top and bottom.

On the other hand, Japanese Patent Laid-Open No. 222212/1990,
JP-A-3-166068 or JP-B-5-6
When the weather strip mounting apparatus disclosed in Japanese Patent No. 5298 is applied to a tape bonding apparatus, a space for installing a manipulator in addition to a door panel holding and positioning apparatus is required, and the production line of an automobile is changed. Otherwise, there is a problem that this cannot be dealt with.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to accurately and easily apply an adhesive tape to a surface of a vertical window frame portion of a door panel whose width dimension varies along its longitudinal direction, even if it is not a skilled worker. An object of the present invention is to provide a tape sticking device and a tape sticking method capable of sticking at low cost.

[0009]

According to a first aspect of the present invention, there is provided:
Adhesive detachably attached to the work, peeled from the adhesive part of the adhesive tape with the release sheet, in which the leader part, adhesive part, and extra length part are integrally formed on the tape adhesive surface formed on this work What is claimed is: 1. A tape attaching device for attaching a tape, comprising: an engaging portion capable of detachably engaging a predetermined position of the work, and a leader portion connected to a leader portion following one end of the attaching portion. An upper unit having a portion, a lower unit having a locking portion that can be removably locked to a predetermined position of the work, and a rotatable holding roller around which a surplus portion following the other end of the attaching portion is wound. The leader mounting portion is disposed near one end of the tape attaching surface in a state where the upper unit is locked at a predetermined position of the work, and In a state in which engages the lower unit in a predetermined position of the work, it is characterized in being spaced apart from the other end of the tape adhering surface.

According to the present invention, after the locking portion of the upper unit is locked at the predetermined position of the work and the locking portion of the lower unit is locked at the predetermined position of the work, the release roller is attached to the holding roller of the lower unit. By winding the extra length side of the adhesive tape and connecting the leader portion of the adhesive tape with the release sheet pulled out from the holding roller to the leader attachment portion of the upper unit, the attaching portion of the adhesive tape with the release sheet Between the leader unit mounting portion of the upper unit and the holding roller of the lower unit. Then, the release sheet is peeled off from the sticking part on the leader part side, and one end of the adhesive tape is pressed against the tape sticking surface to be stuck. Subsequently, the pressure-sensitive adhesive tape is sequentially pressed from the one end side to the other end side of the pressure-sensitive adhesive tape while being peeled off from the one end side of the pressure-sensitive adhesive tape, and adhered. Thereafter, the leader unit and the extra length are separated from the adhesive tape adhered to the tape attaching surface, and the upper unit and the lower unit are removed from the work.

According to a second aspect of the present invention, there is provided a pressure-sensitive adhesive with a release sheet in which a leader portion, a sticking portion, and a surplus portion are integrally formed at one longitudinal end of a tape sticking surface formed on a work. Fixing the leader portion following the one end of the attaching portion in a positioning state with respect to the work so that one end of the attaching portion of the tape is close to the work; and attaching the attaching portion from the other longitudinal end of the tape attaching surface. Holding the extra length following the other end of the attaching portion in a positioning state with respect to the work so that the other end of the attaching portion is separated along the facing direction, and a release sheet from one end of the attaching portion. Peeling and pressing one end of the adhesive tape against one end in the longitudinal direction of the tape application surface, and attaching the adhesive tape while peeling the release sheet from one end of the adhesive tape. To the other end side in order to press and adhere to the tape affixing surface, and a step of separating the leader portion and the extra length portion from the adhesive tape affixed to the tape affixing surface. The tape attaching method is a feature.

According to the present invention, the leader portion following one end of the adhesive portion of the adhesive tape with the release sheet is fixed to the work in a state of being positioned, and is fixed to one end in the longitudinal direction of the tape application surface formed on the work. While holding one end of the sticking part in the proximity state, holding the extra length following the other end of the sticking part in the positioning state with respect to the work, and holding the other end of the sticking part from the other end in the longitudinal direction of the tape sticking surface. Separate the sides along their facing direction. Then, peel off the release sheet from one end of the sticking part, press one end of the adhesive tape against one end in the longitudinal direction of the tape sticking surface to attach, and further peel the adhesive tape while peeling the release sheet from one end of the adhesive tape. From one end side to the other end side, the tape is pressed against the tape sticking surface in order and stuck. Thereafter, the leader section and the extra length section are separated from the adhesive tape adhered to the tape application surface.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In a tape sticking apparatus according to a first embodiment of the present invention, a pin fitted into a connecting hole provided in a leader portion may be projected from a leader mounting portion.

Further, in the tape applying method according to the second aspect of the present invention, the cover film is peelably bonded to the opposite surface of the adhesive tape to which the release sheet is bonded,
The cover film may be peeled off from the adhesive tape when the leader part and the extra length part are separated from the adhesive tape. Further, both ends in the width direction of the adhesive tape stuck on the tape sticking surface may be wound around the work and stuck.

In the first and second embodiments of the present invention,
The work may be a door panel of a vehicle, and the tape application surface may be a surface of the vertical window frame portion. Further, the width dimension at the other end side may be different from the width dimension at one end side of the tape application surface.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a tape applying device according to the present invention is applied to a vertical window frame portion 13 of a front door panel of a passenger car will be described in detail with reference to FIGS. The present invention can be applied not only to such an embodiment but also to a vertical window frame portion of a rear door panel and a technology in another field including a similar problem.

Here, FIG. 1 shows the appearance of a passenger car to which the present invention is applied, and FIG.
It is a perspective view of the adhesive tape 11 with a release sheet used for 2 vertical window frame parts 13. That is, the adhesive tape 11 with a release sheet according to the present embodiment includes an attaching portion 15 having a shape corresponding to the tape attaching surface 14 of the vertical window frame portion 13 of the front door panel 12 of the passenger car in which the tape is used, and a leader following the upper end thereof. The part 16 and the extra length part 17 following the lower end of the sticking part 15 are integrally formed.

The pressure-sensitive adhesive tape 18 to which the pressure-sensitive adhesive (not shown) of the pressure-sensitive adhesive tape 11 with a release sheet is applied has a surface to which the pressure-sensitive adhesive has been applied is releasably joined onto a release sheet 19. A cover film 20 is bonded to the opposite surface to which the release sheet 19 is bonded. The adhesive tape 18 is peelable from the release sheet 19, and the cover film 20 is also peelable from the adhesive tape 18. As described above, in this embodiment, the cover film 20 is joined to the surface of the adhesive tape 18, but the cover film 20 may be omitted depending on the work.

The sticking portion 15 in the present embodiment has a width dimension closer to the upper end side (FIG. 2) corresponding to the shape of the tape sticking surface 14 of the vertical window frame portion 13 of the front door panel 12 of the passenger car.
(Length in the middle, left and right directions) is tapered, and after attaching the adhesive tape 18 to the tape attaching surface 14,
As will be described later, since both ends in the width direction are wound around the vertical window frame portion 13, that is, folded back to the back side of the tape attaching surface 14, the adhesive tape 18 is set to have a wider width than the tape attaching surface 14. (See FIG. 15).

The leader 16 has a pair of engagement holes 21 to be inserted into positioning pins of an upper unit described later. Between the sticking portion 15 and the leader portion 16 and the extra length portion 17, a release sheet 19 is attached to the adhesive tape 18.
When the cover film 20 is peeled off from the adhesive tape 18, the leader portion 16 and the extra length portion 1 are cut against the cover film 20.
7 is integrally separated from the adhesive tape 18 stuck to the tape sticking surface 14 of the vertical window frame portion 13.

The reference numeral 23 in FIG.
And a notch formed between the extra length 17 and
This corresponds to the lower end shape of the tape application surface 14 of the vertical window frame portion 13 in this embodiment.

The tape affixing device in the present embodiment includes an upper unit 24 attached to the upper end of the vertical window frame 13.
And a lower unit 37 attached to the lower end of the vertical window frame 13. Here, the external appearance of the upper unit 24 is shown in FIG. 3 and its planar shape is shown in FIG.
FIGS. 5 and 6 show cross-sectional shapes as viewed in the direction of arrows V and VI-VI, respectively. That is, the upper unit 24 in the present embodiment includes an upper locking portion 25 that can be detachably locked to the upper end portion of the vertical window frame portion 13 and one end side of the sticking portion 15 of the adhesive tape 11 with a release sheet. Leader mounting portion 2 having a pair of positioning pins 26 which are inserted into engagement holes 21 of leader 16 and connected to leader 16.
7 and so on.

When the upper unit 24 is detachably fixed to a predetermined position of the door panel 12 by the upper locking portion 25, the positioning pin 26 of the leader mounting portion 27
In order to protrude forward (to the right in FIG. 6) from the tape affixing surface 14, it is positioned immediately above the vertical window frame 13 in a state close to the vertical window frame 13.

The upper locking portion 25 has a groove portion 2 formed in a horizontal window frame portion 28 extending laterally from the upper end of the vertical window frame portion 13.
5, an engaging projection 30 for positioning the upper unit 24 in the left-right direction in FIG. 5 and a projection 31 projecting from the rear surface of the vertical window frame 13 are inserted into the upper unit 2.
6, an engaging groove portion 3 for positioning in the vertical direction in FIG.
6, and a holding portion 33 for inserting the upper end of the vertical window frame portion 13 into which the upper unit 24 is positioned in the left-right direction in FIG. in this case,
The protrusion 31 of the vertical window frame 13 is the stop end 3 of the engagement groove 32.
The upper locking portion 25 is slid leftward in FIG. 4 along the side window frame portion 28 until the upper unit 24 contacts the side window frame portion 28 in FIG. During,
It is a regular mounting position along the left and right direction. The upper locking portion 25 of the upper unit 24 is provided with a horizontal window frame in order to prevent the upper locking portion 25 from floating about the projection 31 of the vertical window frame portion 13 with respect to the horizontal window frame portion 28. A permanent magnet 35 opposed to the upper end face of the portion 28 in a close state is embedded, and the magnetic force of the permanent magnet 35 allows the upper unit 24 to be stably held without being lifted from the side window frame portion 28. I am careful.

Reference numeral 36 in the drawing denotes a guide plate for guiding the lower portion of the leader 16 toward the tape attaching surface 14 when the attaching portion 15 is attached to the tape attaching surface 14, and a guide portion attaching portion. 27 are integrally fixed. The configuration of the above-described upper locking portion 25 is arbitrarily changed according to the shape of the front door panel 12 as long as the upper unit 24 can be securely fixed to a predetermined position of the front door panel 12 as a work. It is possible.

On the other hand, as shown in FIG. 7 showing the appearance of the lower unit, FIG. 8 showing its planar shape, and FIG. 9 showing its left side shape, the lower unit 37 has a vertical window frame 1
3 comprises a lower engaging portion 38 which can be detachably engaged with the lower end portion, and a rotatable holding roller 39 around which the extra length portion 17 following the other end of the attaching portion 15 is wound.

The lower engaging portion 38 is inserted into the lower end of the run channel 40 of the vertical window frame portion 13 and the first fitting portion 41 for positioning the lower unit 37 in the left-right direction in FIG.
And the vertical window frame portion 13 located immediately below the first fitting portion 41.
The lower unit 37 is inserted into an opening 42 formed at the rear end of the front door panel 12 where
A second fitting portion 43 for positioning in the middle and right directions, and a second fitting portion which is inserted into an opening 44 formed at an upper end portion of the front door panel 12 so as to be separated from the second fitting portion 43. 9, a bracket 46 for positioning the lower unit 37 in the downward direction in FIG. 9 and a third fitting portion 45 for restricting left and right rotation of the lower unit 37 in FIG.

The configuration of the lower locking portion 38 can be arbitrarily determined according to the shape of the front door panel 12 as long as the lower unit 37 can be securely fixed to a predetermined position of the front door panel 12 as a work. It is possible to change.

When the lower unit 37 is attached to the door panel 12, a bracket 46 is provided integrally with the lower engagement portion 38. The bracket 46 projects outward from the lower unit 37. The base end of a roller shaft holder 48 having a roller shaft 47 protruding therefrom is screwed. The adhesive tape 1 with a release sheet is attached to the roller shaft 47.
A holding roller 39 having a stepped portion 49 for abutting one side end of one extra-length portion 17 and positioning the same is rotatably mounted. The rotation axis of the holding roller 39 moves the lower unit 37 to the door panel 12. In the attached state, it is set so as to be parallel to the tape attaching surface 14.

The distance between the tape application surface 14 and the holding roller 39 can be adjusted by changing the position of the roller shaft holder 48 with respect to the bracket 46.

When the adhesive tape 18 is attached to the tape attaching surface 14 of the vertical window frame 13 using the tape attaching device in the present embodiment, first, as shown in FIGS. After the upper unit 24 is attached to a predetermined position of the front door panel 12 using the upper locking unit 25 and the lower locking unit 38 of the lower unit 37, the upper unit 24 is positioned in the engaging hole 21 of the leader unit 16 of the adhesive tape 11 with a release sheet. Insert the pin 26 and its extra length 1
7 is held at one end in the width direction by the holding roller 39 of the lower unit 37.
This is wound around the holding roller 39 while being pressed against the step portion 49, so that the adhesive tape 11 with a release sheet is stretched between the positioning pin 26 and the holding roller 39. In this case, the adhesive tape 11 with the release sheet is inclined with respect to the tape application surface 14 such that the distance from the tape application surface 14 of the vertical window frame portion 13 becomes smaller toward the upper end side of the adhesive tape 11 with the release sheet. Will be retained.

In this state, as shown in FIG. 12, the release sheet 19 of the sticking section 15 is sequentially peeled downward from the cut 22 between the leader section 16 and the sticking section 15 in a plate shape. Using the squeeze jig 50, the sticking portion 1 is moved from the upper end to the lower end of the tape attaching surface 14 of the vertical window frame portion 13.
5 is pressed firmly against the tape application surface 14, and the adhesive tape 18 of the application section 15 is applied to the tape application surface 14. In this case, by simply pressing the sticking portion 15 vertically to the tape sticking surface 14, the sticking portion 15 is moved to the tape sticking surface 14.
And a part of the extra length portion 17 wound around the holding roller 39 is fed out with this operation.

In this way, as shown in FIG. 13, after the sticking portion 15 is stuck to the entire area of the tape sticking surface 14 of the vertical window frame portion 13, the extra length portion 17 is removed from the holding roller 39, and this extra length portion is removed. As shown in FIG. 14, the cover film 2 of the sticking portion 15 is cut from the portion of the cut 22 between the sticking portion 17 and the sticking portion 15.
0, and finally the leader section 16 is removed from the leader section attaching section 27 of the upper unit 24, so that the adhesive tape 18 of the attaching section 15 attached to the tape attaching surface 14 of the vertical window frame section 13 is exposed. Let it. When the cover film 20 is peeled off from the attaching portion 15, the cover film 20 is connected to the extra length portion 17 and the leader portion 16, so that the extra length portion 17 and the leader portion 16 are also removed from the attaching portion 15 together with the cover film 20. can do.

In the case of a pressure-sensitive adhesive tape with a release sheet without the cover film 20, the pressure-sensitive adhesive tape 18 is cut at the cuts 22 at the upper and lower ends of the sticking portion 15.

In this embodiment, the attaching section 15 is attached to the vertical window frame section 13.
In the case of sticking to the tape sticking surface 14, the surface of the adhesive tape 18 is covered with the cover film 20. Therefore, even if the sticking portion 15 is squeezed using the squeeze jig 50 described above, the surface of the adhesive tape 18 No scratches are formed on the
A good surface condition can be maintained.

The adhesive tape 18 of the sticking portion 15 stuck to the tape sticking surface 14 of the vertical window frame portion 13 has both ends in the width direction protruding from the tape sticking surface 14. By using a squeeze jig or the like, this protruding portion is folded back to the back side of the tape attaching surface 14 as shown in FIG.
The tape attaching operation ends.

[0037]

According to the tape sticking apparatus of the present invention, the upper unit and the lower unit are provided with locking portions which can be detachably locked to a predetermined position of the work, and the leader unit, the bonding unit and the extra length are provided. The leader part following one end of the adhesive part of the adhesive tape with the release sheet is integrally formed with the leader part attaching part of the upper unit, and the extra length part following the other end of the adhesive part is lowered. By wrapping the tape around the holding roller of the unit, the adhesive tape with a release sheet is held in an inclined state with respect to the tape application surface. By pressing the tape against the tape application surface, even if the adhesive tape has different widths along the longitudinal direction, it can be applied easily and accurately to the tape application surface of the work. It is possible.

Further, when a pin fitted into the connecting hole provided in the leader portion is protruded from the mounting portion of the leader portion, the connecting operation of the leader portion following one end of the sticking portion to the upper unit can be easily performed. Can be done quickly.

According to the tape attaching method of the present invention, the leader portion, the attaching portion, and the extra length portion are integrally formed such that the interval between the tape attaching surface formed on the work is different along the longitudinal direction. Since the adhesive tape with the release sheet is held in an inclined state with respect to the tape application surface, the adhesive tape is pressed against the tape application surface while peeling the release sheet in order from the narrowest distance with the tape application surface, Even if the adhesive tape has a width dimension that varies along the longitudinal direction, it can be easily and accurately applied to the tape application surface of the work.

When the surface of the adhesive tape is covered with a cover film in advance, it is possible to prevent the surface of the adhesive tape from being damaged due to friction when the adhesive tape is pressed against the tape application surface.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating an appearance of a vehicle to which the present invention is applied.

FIG. 2 is a front view illustrating an appearance of an adhesive tape with a release sheet used in the vehicle illustrated in FIG.

FIG. 3 is a perspective view illustrating an appearance of an upper unit in the present embodiment.

FIG. 4 is a plan view of the upper unit shown in FIG. 3;

FIG. 5 is a sectional view taken along the line VV in FIG. 4;

FIG. 6 is a sectional view taken along the line VI-VI in FIG. 4;

FIG. 7 is a perspective view illustrating an appearance of a lower unit in the present embodiment.

FIG. 8 is a plan view of the lower unit shown in FIG. 7;

FIG. 9 is a left side view of the lower unit shown in FIG. 8;

FIG. 10 is a side view of the tape sticking apparatus in the present embodiment, and shows a state in which an adhesive tape with a release sheet is attached to the tape sticking apparatus.

FIG. 11 is a conceptual view of the operation of the tape sticking procedure in the present embodiment together with FIGS. 12 to 14, showing a state in which an adhesive tape with a release sheet is attached to the tape sticking device.

FIG. 12, together with FIGS. 11, 13, and 14, is a conceptual work diagram showing a tape attaching procedure in the present embodiment, and shows a state in which an adhesive tape is being attached to a tape attaching surface of a vertical window frame portion.

FIG. 13 is a conceptual diagram of the operation of the tape sticking procedure in the present embodiment, together with FIGS. 11, 12, and 14, showing a state in which the adhesive tape has been stuck on the tape sticking surface of the vertical window frame portion.

FIG. 14 is a conceptual diagram showing a procedure for attaching a tape in the present embodiment together with FIGS. 11 to 13, showing a state in which a cover film is peeled off from the surface of an adhesive tape.

FIG. 15 is a cross-sectional view illustrating a final state of adhesion of the adhesive tape to the vertical window frame portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Adhesive tape with a release sheet 12 Front door panel 13 Vertical window frame part 14 Tape affixing surface 15 Affixing part 16 Leader part 17 Extra length 18 Adhesive tape 19 Release sheet 20 Cover film 21 Engagement hole 22 Notch 23 Notch hole 24 Top Unit 25 Upper locking part 26 Positioning pin 27 Leader part mounting part 28 Side window frame part 29 Groove part 30 Engagement convex part 31 Projection part 32 Engagement groove part 33 Holding part 34 Stopper end of engagement groove part 35 Permanent magnet 36 Guide Plate 37 Lower unit 38 Lower locking part 39 Holding roller 40 Run channel 41 First fitting part 42 Opening 43 Second fitting part 44 Opening 45 Third fitting part 46 Bracket 47 Roller shaft 48 Roller shaft holder 49 steps Part 50 Squeeze jig

Claims (8)

[Claims] 1. A pressure-sensitive adhesive tape with a release sheet, which is detachably attached to a work and has a leader portion, a sticking portion, and an extra length portion integrally formed on a tape sticking surface formed on the work. A tape attaching device for attaching an adhesive tape peeled off from a part, wherein a locking part capable of detachably locking to a predetermined position of the work and a leader part following one end of the attaching part are connected. An upper unit having a leader mounting portion to be mounted, a locking portion capable of being detachably locked to a predetermined position of the work, and a rotatable holding roller around which a surplus portion following the other end of the attaching portion is wound. And a lower unit having
In a state where the upper unit is locked at a predetermined position of the work, the leader unit attaching portion is disposed near one end of the tape attaching surface, and the holding roller is configured to move the lower unit to a predetermined position of the work. In a state where the tape is locked at a position, the tape sticking device is disposed apart from the other end of the tape sticking surface. 2. The tape sticking apparatus according to claim 1, wherein the leader section attaching section has a pin fitted into a connection hole provided in the leader section. 3. The work is a vehicle door panel,
The tape application device according to claim 1, wherein the tape application surface is a surface of a vertical window frame portion. 4. The tape sticking apparatus according to claim 1, wherein a width dimension at the other end side of the tape sticking surface is different from a width dimension at one end side of the tape sticking surface. . 5. One end of a sticking portion of a pressure-sensitive adhesive tape with a release sheet in which a leader portion, a sticking portion, and an extra length portion are integrally formed with one longitudinal end of a tape sticking surface formed on a work. A step of fixing a leader portion following one end of the attaching portion so as to be close to the work in a positioning state, and the other end of the attaching portion is opposed to the other end of the tape attaching surface from the other longitudinal end of the tape attaching surface. Holding the extra length following the other end of the sticking portion in a positioning state with respect to the work so as to be separated along, peeling off a release sheet from one end of the sticking portion and one end of the adhesive tape Pressing the tape against one end in the longitudinal direction of the tape sticking surface, and peeling off the release sheet from one end of the adhesive tape, the adhesive tape in order from one end to the other end thereof A tape attaching method, comprising: a step of pressing the tape on the tape attaching surface to attach the tape; and a step of separating the leader portion and the extra length portion from the adhesive tape attached to the tape attaching surface. 6. The pressure-sensitive adhesive tape with a release sheet, wherein a cover film is peelably bonded to an opposite surface of the pressure-sensitive adhesive tape to which the release sheet is bonded, and the leader portion and the extra length portion are separated from the pressure-sensitive adhesive tape. The tape applying method according to claim 5, wherein the separating step includes a step of peeling the cover film from the adhesive tape. 7. The work is a vehicle door panel,
7. The method according to claim 5, wherein the tape application surface is a surface of a vertical window frame portion. 8. The tape attaching method according to claim 5, wherein a width dimension of the other end side is different from a width dimension of one end side of the tape attaching surface. .