JP2015204000A - Stick method and stick device for rigid body - Google Patents

Abstract

An object of the present invention is to provide a glass plate laminating apparatus and a laminating method capable of holding a rigid body on an arc surface of a holding member and smoothly laminating the rigid body to a non-bonding member. A method of bonding a rigid body having a Young's modulus of 2 GPa or more to a member to be bonded via an adhesive layer, the step of bending the rigid body to a certain curvature, and the state in which the rigid body is bent A step of bonding a region adjacent to one end of the rigid body, and a step of bonding the rigid body with a constant curvature from the region adjacent to one end of the bonded rigid body toward the other end. Characteristic rigid body bonding method. [Selection] Figure 4

Description

  The present invention relates to a rigid body bonding method and a bonding apparatus.

  The bonding apparatus disclosed in Patent Document 1 is known as a glass sheet bonding apparatus that bonds a rigid cover glass (glass plate) to a rigid touch panel or liquid crystal panel (bonded member). Yes.

  The bonding apparatus of patent document 1 is an apparatus which curves the glass plate and bonds it to the pressure-sensitive adhesive surface (bonding surface) of the member to be bonded while pressing the glass plate against the member to be bonded by a roller. is there.

  For this reason, the bonding apparatus of patent document 1 needs to delicately control the bending amount of a glass plate with advancing of a roller, and even if it controls strictly, it is from a bonding start end to a bonding end end. It was difficult to make completely the same relative positional relationship (bonding conditions) with the adhesive interface with which the glass plate contacts in each successive stage. Moreover, when the bending strength of a glass plate has variation, the variation has a bad influence on bonding, and it cannot bond on fixed conditions. Therefore, it is premised on enveloping foam, and the process of extracting a foam by autoclaving etc. was required after pasting.

  On the other hand, an arc head system disclosed in Patent Document 2 and a drum transfer system disclosed in Patent Document 3 are known in contrast to the bonding system disclosed in Patent Document 1 that curves a glass plate.

  In the arc head method of Patent Document 2, the thin film-like polarizing film (film) is adhered and held on the adhesive material layer of the pasting head by rolling of the arc-shaped pasting head, and then the film is moved along with the rolling of the pasting head. It is affixed to a flat glass plate.

  In the drum transfer method of Patent Document 3, after a polarizing film (film) is adhered and held on an adhesive sheet of a drum by rolling the drum, the film is attached to a flat glass plate along with the rolling of the drum. It is going.

  According to the bonding apparatuses disclosed in Patent Documents 2 and 3, since the film is adhesively held on the arc surface having a constant radius of curvature of the arc head and the drum (hereinafter referred to as a holding member), the film and the film are attached. As for the contact state (bonding conditions) with the glass plate, bonding proceeds in a state in which a constant relationship is always maintained regardless of the stage during the bonding. Therefore, according to the bonding apparatus of patent documents 2 and 3, since the bonding in a fixed condition is possible from the beginning to the end of bonding from the bonding start end, there is an advantage that the problem of entraining bubbles can be reduced as much as possible. is there.

  The rigid body refers to a rigid body having a Young's modulus of 2 GPa or more, and an example of a material having a particularly high Young's modulus is glass. Therefore, the bonding apparatus of Patent Document 1 for bonding a glass plate that is a rigid body and the bonding apparatus of Patent Documents 2 and 3 for bonding a flexible film are bonded to two members. Although it is an apparatus to be combined, it is completely different in that the object to be curved is a rigid body or a soft body. Due to this difference, the glass plate could not be diverted to the bonding apparatus of Patent Documents 2 and 3 for the following reasons.

Japanese Patent No. 4712886 JP2013-133168A Japanese Patent No. 4889057

  The arc head type and drum transfer type laminating devices disclosed in Patent Documents 2 and 3 are suitable for curving a flexible film and laminating it on a flat glass plate. There was a problem in curving a certain glass plate and bonding it to a member to be bonded.

  That is, as a method of curving a flexible film and sticking and holding it on the holding member, a method of sticking or adsorbing is taken, but this is possible only because it is a flexible film.

  In other words, by separating and holding the separate film side of the film on the arc surface of the holding member, the film is flexibly curved and adsorbed along the arc surface, and the surface of the film where the adhesive is exposed can be disposed on the glass plate side. Because.

  However, in order to bend and hold the rigid glass plate on the circular arc surface of the holding member, a strong suction force equal to or higher than that of pushing and bending the glass plate is required. In fact, the pressure-sensitive adhesive layers and pressure-sensitive adhesive sheets disclosed in Patent Documents 2 and 3 cannot provide a force for holding a curved glass plate.

  Moreover, in order to continuously bond the adhesive to the member to be bonded, it is necessary to continuously release the adsorption holding of the holding member simultaneously with the bonding, in accordance with the rolling of the holding member. This is practically impossible. Even if it can be realized, since intermittent adsorption release at regular intervals occurs, a force that is periodically pulled acts on the pressure-sensitive adhesive, resulting in unevenness in the bonding conditions and the bonding state.

  Furthermore, according to the method of a film with an adhesive, a method of attaching a separate film to a glass plate and adsorbing it on the arc surface of the holding member is also conceivable. However, in this case, the adhesive force between the glass plate and the separate film needs to exceed the pushing and bending force required to bend the glass plate along the arc, and with such an adhesive force setting, Since it exceeds the adhesive strength design of the adhesive, the adhesive will peel off from the glass plate once bonded with the rolling of the holding member even if it can be once bonded to the bonded member with the adhesive. Therefore, pasting was impossible.

  This invention is made | formed in view of the above-mentioned situation, hold | maintains a rigid body on the circular arc surface of a holding member, and the rigid body bonding method and bonding which can smoothly bond a rigid body to a to-be-bonded member. An object is to provide a combined device.

  The method for laminating a rigid body according to one aspect of the present invention is a method of laminating a rigid body having a Young's modulus of 2 GPa or more to a member to be bonded through an adhesive layer, the step of warping the rigid body to a certain curvature. A step of bonding a region adjacent to the first end of the rigid body in a state where the rigid body is warped, and a constant curvature from the region adjacent to the first end of the bonded rigid body toward the second end. And a step of bonding the rigid bodies.

  In addition, a rigid body bonding apparatus according to an aspect of the present invention includes a first engagement in which an arcuate surface formed with a constant radius of curvature and a first end of a rigid body having a Young's modulus of 2 GPa or more are detachably engageable. A first holding member having a mating portion and a second engaging portion in which the second end of the rigid body is detachably engageable, and a second holding the non-bonding surface of the member to be pasted detachably. The holding member and the first holding member are supported with respect to the second holding member, whereby the rigid body held by the first holding member is arranged at the initial bonding position, and the rigid body By rolling the region adjacent to the first end to the member to be bonded and the first holding member along the arc surface, the rigid body is bonded to the member to be bonded. And a movable member that can be bonded to the bonding surface.

  As described above, according to the present invention, the rigid body can be held on the arc surface of the holding member, and the rigid body can be smoothly bonded to the non-bonding member.

The perspective view of the bonding apparatus of embodiment Side view of the bonding apparatus shown in FIG. Assembly perspective view of the bonding apparatus shown in FIG. The perspective view which showed the cover glass and LCD panel used as pasting thing Perspective view of suction cup with air cylinder connected Explanatory drawing showing the procedure for attaching the cover glass to the head Explanatory drawing which showed pasting operation of the pasting device

  Hereinafter, preferred embodiments of a rigid body bonding method and a bonding apparatus according to the present invention will be described with reference to the accompanying drawings.

  1 is a perspective view of a bonding apparatus 10 according to the embodiment, FIG. 2 is a side view of the bonding apparatus 10, and FIG. 3 is an assembly perspective view of the bonding apparatus 10. Moreover, FIG. 4 shows a rectangular cover glass (rigid body) 12 to be bonded and a display surface 14 (hereinafter referred to as an LCD panel) of a rectangular LCD panel (bonded member). . That is, the bonding apparatus 10 of the embodiment is an apparatus that bonds the cover glass 12 to the LCD panel 14 (bonding surface). In addition, the bonding apparatus of this invention is not limited to the apparatus which bonds the cover glass 12 to the LCD panel 14, It is applicable to the apparatus which bonds the glass plate which is a rigid body to a to-be-bonded member. .

  The cover glass 12 is larger than the LCD panel 14 in terms of length and width (long side, short side), and a bonding start end 12A (first end) and a bonding end end 12B (described later) of the cover glass 12 ( The second end) is a non-bonded portion that is not bonded to the LCD panel 14. That is, at least a portion excluding the bonding start end 12 </ b> A and the bonding end end 12 </ b> B becomes a bonding portion of the cover glass 12.

[Configuration of the bonding apparatus 10]
The bonding apparatus 10 shown in FIGS. 1 to 3 includes a head portion (first holding member) 16 that holds the cover glass 12, a suction plate (second holding member) 18 that holds the LCD panel 14 by suction, and a shaft 20. And a bearing member 22, a pair of springs (separating members) 32 and 32, a base plate 34, and an air cylinder 36 (see FIG. 5). FIG. 5 is a perspective view of the suction cup 18 to which the air cylinder 36 is connected.

<Configuration of head unit 16>
6A and 6B are explanatory views showing a procedure for attaching the cover glass 12 to the head portion 16, and are diagrams in which the head portion 16 shown in FIGS. 1 to 3 is turned upside down. That is, when the cover glass 12 is attached to the head portion 16, it is preferable that the head portion 16 is turned upside down as shown in FIG.

  The head portion 16 is formed in a substantially rectangular parallelepiped shape, and is provided with an arcuate surface 38 having a constant radius of curvature on the surface facing the suction disk 18. The arc surface 38 is a rectangular surface having a size substantially the same as that of the cover glass 12, and the cover glass 12 is held along the arc surface 38 as described later. The radius of curvature of the arc surface 38 is determined by the material, thickness, etc. of the cover glass 12 so that the cover glass 12 to be held is not damaged. Further, it is preferable to attach a rubber sheet or the like as a buffer material to the arc surface 38.

  A hook (first engagement portion) 40 is provided at one end of the arc surface 38, and a hook (second engagement portion) 42 is provided at the other end of the arc surface 38. The one end of the circular arc surface 38 is a starting end for starting the bonding, and the other end of the circular arc surface 38 is a terminal end for completing the bonding. That is, the cover glass 12 is bonded to the LCD panel 14 by rolling the arc surface 38 from one end to the other end.

  The base end portion of the hook 40 is rotatably attached to the head portion 16 via a hinge 44, and the engagement position indicated by the solid line in FIGS. 6 (A) and 6 (B) and FIGS. It is rotated between the engagement release positions indicated by the solid line in (E). In addition, FIG. 7 (A)-(E) is explanatory drawing which showed the bonding operation | movement of the bonding apparatus 10, and mentions it later.

  6A and 6B, in the state where the tip 40A bent in the L shape of the hook 40 is located at the engagement position indicated by the solid line, the tip 40A, the arc surface 38, 12A is sandwiched between the gaps between them as indicated by an arrow A in FIG. Specifically, once the hook 40 is opened, the bonding start end 12A of the cover glass 12 is roughly aligned with the tip 40A of the hook 40 and placed on the arc surface 38, the hook 40 is closed, the start end alignment and the width direction are adjusted. After the alignment, the glass bonding end end 12B is pushed and bent along the arc surface 38, and the terminal hook 42 is closed. Thereby, the bonding start end 12 </ b> A and the bonding end end 12 </ b> B are engaged with the hooks 40 and 42.

  The bonding start end 12 </ b> A is a portion in the vicinity including one short side portion of the cover glass 12, and is a non-bonding portion with respect to the LCD panel 14. The size (surface area) of the bonding start end 12 </ b> A, that is, the engagement margin with respect to the hook 40 is set in consideration of the pressing force required to bend the cover glass 12 along the arc surface 38. Moreover, it is preferable to affix the rubber | gum sheet | seat etc. which are buffer materials also to the front-end | tip part 40A with which the bonding start end 12A contact | abuts.

  One of the hooks 42 is pivotally attached to the head portion 16 via a hinge 46, and the hook 42 is engaged with the engagement position indicated by the solid lines in FIGS. 6A and 6B and FIG. ) To the disengagement position indicated by the solid line.

  6 (A) and 6 (B), in the state where the tip portion 42A of the hook 42 bent in an L shape is located at the engagement position indicated by the solid line, An end 12B of the bonding of the cover glass 12 is sandwiched in the gap between them as shown by an arrow B in FIG. Thereby, the bonding end end 12 </ b> B is engaged with the hook 42.

  The bonding end 12B is a portion in the vicinity including the other short side portion of the cover glass 12, and is a non-bonding portion with respect to the LCD panel 14. The size (surface area) of the bonding end 12 </ b> B, that is, the engagement margin with respect to the hook 42 is set in consideration of the pressing force required to bend the cover glass 12 along the arc surface 38. Moreover, it is preferable to affix the rubber | gum sheet | seat which is a buffer material also to 42 A of front-end | tip parts with which the bonding end edge 12B contact | abuts.

  As described above, according to the head portion 16 of the embodiment, as shown in FIG. 6A, the bonding start end 12A of the cover glass 12 is engaged with the tip portion 40A of the hook 40, and the tip portion 42A of the hook 42 is engaged with the tip portion 42A of the hook 42. By engaging the bonding end 12B of the cover glass 12, the cover glass 12 can be held in a curved state along the arc surface 38 as shown in FIG. 6B. Thereby, according to head part 16 of an embodiment, since reaction force according to curving the pasting start end of cover glass 12 with hooks 40 and 42 acts on circular arc surface 38, and is pressed, it is based on adhesion and adsorption. Regardless of the holding method, the cover glass 12 can be held in a curved state with a certain radius of curvature.

  As shown in FIG. 3, the head portion 16 is provided with a shaft 20 that constitutes a support member 24 (see FIG. 1). Both ends of the shaft 20 are fixed to a pair of brackets 48 attached to both side surfaces of the head portion 16, and the shaft 20 is disposed at a position separated from the hook 40. Thereby, the hook 40 is rotated without interfering with the shaft 20. Moreover, the axis | shaft 20 is the direction where the longitudinal direction orthogonally crosses with respect to the rolling direction of the head part 16 toward 12 A of end bonding ends from the bonding start end 12A like FIG. 6 (A) and (B). Is arranged.

  As shown in FIG. 3, the bearing 22 constituting the support member 24 is fixed to the upper surface of the base plate 34 that supports the suction plate 18. By fitting the shaft 20 into the bearing 22 from above as indicated by the arrow C, the head portion 16 is supported by the suction plate 18 via the base plate 34. In this supported state, as shown in FIG. 2, the facing surfaces of the bonding start end 12 </ b> A of the cover glass 12 and the start end 14 </ b> A of the LCD panel 14 held by the suction plate 18 are positioned on substantially the same plane (horizontal plane). And the initial bonding position is set. In this initial bonding position, a bonding surface 13A adjacent to the bonding start end 12A (this bonding surface 13A becomes a substantial bonding start surface) is brought into contact with the starting end 14A of the LCD panel 14. Here, the term “adjacent” means a distance of about the difference when the sizes and shapes of the LCD panel (bonded object) 14 and the cover glass (bonded object) 12 are matched.

  The fine adjustment of the initial bonding position is performed by inserting a shim plate (shim: not shown) between the bearing 22 and the base plate 34 and adjusting the height of the bearing 22 with respect to the base plate 34. In addition, rubber leg portions 35 as buffer members are provided at four corners of the lower surface of the base plate 34.

  The support member 24 preferably includes a positioning member for positioning the head portion 16 in the lateral direction (left-right direction = direction orthogonal to the longitudinal direction of the arc surface 38) with respect to the suction disk 18. As the positioning member, the positioning member can be extended downward from both side surfaces of the head portion 16 and the brackets can be brought into contact with the side surface of the suction disk 18. Further, the bracket 48 may have a positioning function.

  The groove 26 constituting the movable member 30 is provided through the side surface of the head portion 16. The groove 26 extends from a position near the hook 40 to a position near the hook 42 and is provided in parallel with the arc surface 38. Moreover, the bonding bar 28 which comprises the movable member 30 is arrange | positioned through the groove | channel 26, and the grip 50 is mounted | worn with the both ends via the bearing (not shown).

<Structure of suction board 18>
As shown in FIG. 5, the suction disk 18 includes a case 52 and a rectangular porous pad 54 fixed to an upper surface opening (not shown) of the case 52. In addition to the porous pad 54, a metal plate is used in which through holes are formed at a constant pitch in the cross direction from the width direction and the longitudinal direction inside the thickness direction, and holes are formed from the plane side of the metal plate at the crossing portion of the cross pattern I can do it. A manual air cylinder 36 is connected to the case 52 via a hose 56. In the case of using a metal plate, a hole opened in the end surface of the metal plate is closed with a plug except for one place, and a manual air cylinder 36 is connected to the hole opened in one place via a hose 56.

  The LCD panel 14 is placed with its back surface (non-bonding surface) positioned on the pad 54, and then the air cylinder 36 is driven to suck the air inside the case 52, thereby flattening the pad 54. Adsorbed and held on the adsorption surface. The holding means of the LCD panel 14 is not limited to suction holding, and an adhesive sheet that can be repeatedly attached and detached may be used. However, for ease of product removal after bonding, suction ON / OFF A vacuum suction method that can be switched off is desirable.

<Spring 32>
The lower end of the spring 32 is fixed to the upper surface of the base plate 34, and the spring 32 is erected so as to be able to expand and contract in the vertical direction. Further, the spring 32 is attached to a position in the vicinity of the terminal end in the bonding direction of the cover glass 12. In the state of FIG. 1 where the head portion 16 is supported by the support member 24, a bracket 58 attached to the head portion 16 is placed on the upper end of the spring 32. Thereby, inadvertent rolling of the head portion 16 is prevented by the biasing force of the spring 32. In addition, at the time of the bonding process by the movable member 30, the head part 16 is rolled against the urging force of the spring 32. The spring urging force only needs to be strong enough to support the head 16 without sinking, and need not be stronger than necessary.

  In addition, although this embodiment used the cover glass which is a glass plate as an example of a rigid body, in the case of the rigid body whose Young's modulus is 2 GPa or more, it can be used suitably.

[Example: Pasting method]
A tempered glass having a thickness of 0.7 mm (vertical and horizontal size: 120 mm × 55 mm) corresponding to the cover glass 12 is curved and held on the head unit 16.

  A dummy glass (length and width size: 93 mm × 52 mm) with a thickness of 500 μm, which is equivalent to the LCD panel 14 and having an adhesive of 500 μm, is sucked and held on the suction board 18.

  Then, when the bonding apparatus 10 of embodiment was used and bonding of the tempered glass to dummy glass was implemented, it was able to bond smoothly without foaming.

  Hereinafter, the bonding operation procedure will be described.

  In the following description, the tempered glass is denoted by the same reference numeral 12 as the cover glass 12, and the dummy glass is denoted by the same reference numeral 14 as the LCD panel 14.

1) Holding process (holding process) of tempered glass 12
First, as shown in FIGS. 6A and 6B, the bonding start end 12A of the tempered glass 12 is sandwiched and engaged with a hook 40 provided at one end of the arc surface 38 of the head portion 16 in the longitudinal direction. Thereafter, the tempered glass 12 is curved while positioning the left and right direction of the tempered glass 12 (the direction orthogonal to the longitudinal direction of the arc surface 38) so as to match the width of the arc surface 38, and the bonding of the tempered glass 12 is completed. The end 12B is sandwiched between the hooks 42 and engaged. Thereby, the tempered glass 12 is held with respect to the head portion 16 in a state of being curved to a constant radius of curvature along the arc surface 38.

2) Holding process of dummy glass 14 Next, as shown in FIG. 3 and FIG. 5, the dummy glass 14 with the adhesive on the display surface is positioned and placed on the suction plate 18 in the vertical and horizontal directions. The lower surface is sucked to the pad 54 of the suction board 18. In the embodiment, the air cylinder 36 is used as a vacuum generation source, and the internal air of the case 52 is sucked to depressurize the inside of the case 52 to hold the dummy glass 14 on the pad 54 by suction. The holding of the dummy glass 14 is not limited to vacuum suction, and an adhesive sheet that can be repeatedly attached and detached may be used.

3) Supporting process of the head unit 16 with respect to the suction plate 18 Next, as shown in FIG. 3, the head unit 16 holding the tempered glass 12 is reversed and the tempered glass 12 is made to face the suction plate 18 on which the dummy glass 14 is sucked. . Then, the head part 16 is arrange | positioned in the bonding initial position by fitting the axis | shaft 20 to the bearing 22. FIG. At this time, as shown in FIG. 2, the bonding end 12 </ b> B of the tempered glass 12 is separated in the direction (upward) away from the dummy glass 14 by the spring 32. Only the surface 13A is in contact with the starting end 14A of the dummy glass 14.

4) Hook 40 disengagement step (first disengagement step)
Next, as shown in FIG. 7A, the bonding bar 28 is sandwiched in the groove 26 of the head portion 16, and the operator holds the grips 50, 50 at both ends of the bonding bar 28 by hand. Via the head part 16, the bonding surface 13A adjacent to the bonding start end 12A of the tempered glass 12 is pressed against the start end 14A of the dummy glass 14, and the bonding surface 13A is bonded to the start end 14A. Thereafter, as shown in FIG. 7B, the hook 40 is rotated in the direction of arrow D to be separated from the bonding start end 12A, and the engagement of the bonding start end 12A by the hook 40 is released.

5) Bonding process (bonding process) by the movable member 30
Next, as shown in FIGS. 7B to 7D, the bonding bar 28 is advanced along the groove 26 while being pressed with a constant force from the bonding start end 12 </ b> A toward the bonding end end 12 </ b> B. At this time, the bonding bar 28 smoothly advances along the groove 26 while being rotated by the bearing. Due to the forward movement of the bonding bar 28, the head portion 16 is pushed by the bonding bar 28 and rolls along the arc surface 38. Thereby, the tempered glass 12 is bonded to the dummy glass 14.

6) Hook 42 disengagement step (second disengagement step)
After advancing the bonding bar 28 to the bonding end 12B, as shown in FIG. 7E, the hook 42 is rotated in the direction of arrow E to be separated from the bonding end, and the bonding end by the hook 42 is completed. The engagement of 12B is released. Thereby, the bonding surface 13B (this bonding surface 13B becomes a substantial bonding end surface) adjacent to the bonding end end 12B is bonded to the terminal end 14B of the dummy glass 14.

7) Suction release process of suction board 18 (third release process)
After the head portion 16 is rolled in the reverse direction and returned to the initial bonding position, the head portion 16 is lifted and removed from the bearing 22. Thereby, since the tempered glass 12 bonded to the dummy glass 14 remains on the suction plate 18, the suction holding of the dummy glass 14 by the suction plate 18 is released by the air cylinder 36, and the bonded product is taken out from the suction plate 18.

  By carrying out the above operations 1) to 7), the tempered glass 12 can be smoothly bonded to the dummy glass 14, and the bonded product can be taken out.

  In addition, in the said Example, although all bonding operation was implemented manually, you may implement using motive power. Further, a vacuum pump may be used as a vacuum source instead of the air cylinder. Moreover, the size of the tempered glass 12 and the dummy glass 14 is an example, and the bonding apparatus 10 of the size corresponding to the size is also an example. That is, it is not limited to the size of a glass plate, The bonding apparatus of this invention is applicable.

  Moreover, since the bonding apparatus 10 of embodiment is spaced apart upward with the spring 32 by the spring 32, when setting the head part 16, parts other than the bonding initial position are bonded first. Can be suppressed. In addition, inadvertent rolling of the head portion 16 can be prevented when setting the initial bonding position. That is, when the head unit 16 is inadvertently rolled when setting the bonding initial position where the hook 40 is not released, the bonding surface bonded to the start end 14A is peeled off from the start end 14A. . Such a malfunction can be prevented by the biasing force of the spring 32.

  As an example, a reinforced (chemical reinforced) cover glass (size: 120 mm × 55 mm) having a thickness of 0.71 mm is applied to an arc suction surface (head portion 16) having three types of radii (R572.5 mm / R1130 mm / R2252.5 mm). Each glass was bent and held, but even if it was bent and held on the smallest arc surface of R572.5, the glass was not broken. As a result of performing a laminating test using the head portions of the above-mentioned three types of arc-adsorbing surfaces with radii, it was an R572.5 mm head with a small radius that had the least amount of bubble entrapment after laminating. With the R2252.5 mm head, many bubbles were involved, and a good quality bonding surface could not be obtained. Therefore, the above results have obtained that the radius of the head portion 16 is preferably 1200 mm or less, more preferably 900 mm or less, and even more preferably 600 mm or less.

  DESCRIPTION OF SYMBOLS 10 ... Pasting apparatus, 12 ... Cover glass (tempered glass), 12A ... Pasting start end, 12B ... Pasting end end, 14 ... LCD panel (dummy glass), 14A ... Starting end, 14B ... Termination, 16 ... Head part , 18 ... suction plate, 20 ... shaft, 22 ... bearing, 24 ... support member, 26 ... groove, 28 ... bonding bar, 30 ... movable member, 32 ... spring, 34 ... base plate, 36 ... air cylinder, 38 ... Arc surface, 40 ... hook, 40A ... tip, 42 ... hook, 42A ... tip, 44 ... hinge, 46 ... hinge, 48 ... bracket, 50 ... grip, 52 ... case, 54 ... pad, 56 ... hose

Claims (6)

A method of bonding a rigid body having a Young's modulus of 2 GPa or more to a member to be bonded via an adhesive layer,
Warping the rigid body to a constant curvature;
Bonding the region adjacent to the first end of the rigid body with the rigid body warped;
A step of bonding the rigid body with a constant curvature from a region adjacent to the first end of the bonded rigid body toward the second end, and a method for bonding the rigid body.   The method for bonding rigid bodies according to claim 1, wherein the rigid bodies are bent along an arc surface formed with a constant radius of curvature.   The rigid body bonding method according to claim 2, wherein the first and second ends of the rigid body are respectively engaged and bent along the arc surface.   The said rigid body is glass, The bonding method of the rigid body of any one of Claims 1-3 characterized by the above-mentioned. A circular arc surface formed with a constant radius of curvature, a first engaging portion that can be detachably engaged with a first end of a rigid body having a Young's modulus of 2 GPa or more, and a second end of the rigid body that is detachably engaged A first holding member having a possible second engaging portion;
A second holding member that detachably holds the non-bonding surface of the member to be bonded;
By supporting the first holding member with respect to the second holding member, the rigid body held by the first holding member is disposed at the initial bonding position and adjacent to the first end of the rigid body. A supporting member that bonds the region to be bonded to the bonded member;
A movable member capable of bonding the rigid body to the bonding surface of the bonded member by rolling the first holding member along the arc surface;
A rigid bonding apparatus characterized by comprising:   The rigid body bonding apparatus according to claim 5, further comprising a separation member that can be expanded and contracted so that a second end of the rigid body held by the first holding member is retracted from the bonded member.

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