JPWO2020009203A1 - Glass plate for A pillar - Google Patents

Abstract

Provided is a glass plate for an A pillar that can be securely fixed to the A pillar and does not generate extra air resistance. The glass plate for the A-pillar is attached to the A-pillar of the vehicle in an opening formed along the longitudinal direction of the A-pillar, has a ridgeline portion along the longitudinal direction, and has a cross-sectional shape in the width direction orthogonal to the ridgeline portion. However, it has a curved shape that protrudes toward the outside of the vehicle, and in the cross-sectional shape in the width direction, the skirts at both ends in the width direction have a larger radius of curvature than the ridgeline portion.

Description

The present invention relates to a glass plate for A pillars.

The vehicle has a plurality of pillars for connecting the body and the roof, securing a living space, and supporting the roof. There is a windowpane between each pillar. The names of the pillars are alphabetically named from the front to the rear of the vehicle, such as A pillar, B pillar, C pillar and D pillar. The A-pillar, also called the front pillar, is the pillars on both the left and right ends that support the windshield. The A-pillar withstands impacts such as a collision from the front and has an important role of securing a living space for occupants.

However, there is a problem that the A-pillar obstructs a part of the left-right front view for the driver. Patent Document 1 describes that a transparent portion is provided on the A pillar by attaching a glass plate to the A pillar in order to prevent the A pillar from obstructing the field of view.

Japanese Unexamined Patent Publication No. 2003-276638

When the transparent portion is provided by the A-pillar glass plate mounted on the A-pillar, it is necessary to securely fix the A-pillar glass plate to the A-pillar. Further, it is necessary to prevent extra air resistance from being generated by the glass plate for the A pillar.

However, no detailed study has been made on the shape of the A-pillar glass plate.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a glass plate for an A pillar that can be securely fixed to the A pillar and does not generate extra air resistance.

The glass plate for A-pillar of the present invention is attached to an opening formed in the A-pillar of a vehicle along the longitudinal direction of the A-pillar, has a ridgeline portion along the longitudinal direction, and is orthogonal to the ridgeline portion. The cross-sectional shape in the width direction is a curved shape protruding toward the outside of the vehicle, and in the cross-sectional shape in the width direction, the skirts at both ends in the width direction have a radius of curvature larger than that of the ridgeline portion.

According to the present invention, it can be reliably fixed to the A pillar, and the generation of extra air resistance can be suppressed.

FIG. 1 is a perspective view of a main part of a vehicle in which an A-pillar glass plate is attached to the A-pillar. FIG. 2 is a schematic configuration diagram of a glass plate for A pillar. FIG. 3 is a cross-sectional view taken along the line III-III of FIG. FIG. 4 is a partially enlarged view of the lower side of the A-pillar glass plate. FIG. 5 is an explanatory diagram for explaining the difference between the minimum values of the radius of curvature of the A-pillar glass plate. FIG. 6 is an explanatory diagram for explaining a transparent portion and an opaque portion of the A-pillar glass plate. FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG. FIG. 9 is a cross-sectional view of a glass plate for an A pillar provided with a resin film. FIG. 10 is a cross-sectional view of a glass plate for A pillars made of laminated glass. FIG. 11 is a partial cross-sectional view of an end portion of an A-pillar glass plate made of laminated glass. FIG. 12 is a partial cross-sectional view of a glass plate for an A pillar provided with a resin molding on the outer periphery. FIG. 13 is a schematic configuration diagram of a glass plate for A pillar for explaining the application range of the adhesive. FIG. 14 is a perspective view of a main part of another vehicle in which an A-pillar glass plate is attached to the A-pillar.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. The present invention will be described in the following embodiments. However, changes can be made by many methods without departing from the scope of the present invention, and other embodiments other than the present embodiment can be used. Therefore, all modifications within the scope of the present invention are included in the claims. Hereinafter, modes for carrying out the invention will be described with reference to the drawings. In each drawing, the same components may be designated by the same reference numerals and duplicate description may be omitted.

In the present specification, the A-pillar glass plate is attached to the A-pillar of the vehicle for "top", "bottom", "front", "rear", "right", "left", "inside" and "outside". Indicates the direction and position when the glass is used.

FIG. 1 is a perspective view of a main part of a vehicle in which an A-pillar glass plate is provided on the A-pillar of the vehicle. As shown in FIG. 1, the vehicle 10 includes a pair of left and right A-pillars 12 arranged on the front side of the vehicle 10 and extending in the vertical direction, and a roof 14 supported by the A-pillars 12. The A-pillar 12 shown in FIG. 1 is the A-pillar on the right side when viewed from the front of the vehicle. The opening 16 is formed by a pair of A-pillars 12 arranged obliquely from the front side to the rear side of the vehicle and the roof 14. A windshield 18 is attached to the opening 16. The upper end of the windshield 18 is supported by the roof 14, and the left and right ends of the windshield 18 are supported by the A-pillar 12. The vehicle 10 includes, in some cases, a front bench glass 19, a side window glass 20, and a front door 22 that supports the side window glass 20 so as to be able to move up and down behind the A pillar 12. The windshield 18 includes a transparent portion 18A and a colored opaque portion 18B provided around the transparent portion 18A. The colored opaque portion 18B may be a black, so-called “black ceramic” shielding layer.

A rectangular opening 12A may be formed in the A pillar 12 along the longitudinal direction. The A-pillar 12 means a pillar that supports the left and right ends of the windshield 18 and is in front of the front door 22. The A pillars 12 are arranged on the left and right sides of the vehicle 10. The left and right A-pillars 12 are not limited to each, and may be composed of one or more columns. The longitudinal direction is the extending direction of the A pillar 12. The opening 12A may have a rectangular shape and may have a shape that is longer in the vertical direction than in the horizontal direction. In the present specification, the rectangle means a quadrangle and a substantially quadrangle, and the sides forming the rectangle may be linear or curved. Further, the angle of the corner portion of the rectangle is not limited to 90 °, and may be in the range of 30 ° to 120 °. The corners of the rectangle may have an arc shape. Therefore, the rectangle may be referred to as a quadrangle, a substantially quadrangle, a quadrilateral, or a substantially quadrilateral.

The A-pillar glass plate 30 is attached to the A-pillar 12 so as to cover the opening 12A of the A-pillar 12. The glass plate 30 for the A-pillar has a visible light transmittance of 70% or more. The opening 12A and the glass plate 30 for the A pillar ensure visibility in front of the vehicle to the driver. The larger the opening 12A of the A pillar 12, the better the visibility of the driver. The A-pillar glass plate 30 includes a transparent portion 38 and an opaque portion 40 as described later.

Next, the A-pillar glass plate 30 will be described with reference to FIGS. 2 to 13. FIG. 2 is a schematic perspective view of the A-pillar glass plate 30, and FIG. 3 is a cross-sectional view taken along the line III-III. The A-pillar glass plate 30 has a ridge line portion 32 along the longitudinal direction. The cross-sectional shape in the width direction orthogonal to the ridge line portion 32 of the A-pillar glass plate 30 is a curved shape protruding to the outside of the vehicle. In the cross-sectional shape in the width direction, the skirt portions 34 at both ends in the width direction have a larger radius of curvature than the ridge line portion 32 (see FIG. 3).

Generally, the fixed portion of the A pillar 12 is formed of a flat surface. By increasing the radius of curvature of the skirts 34 at both ends of the A-pillar glass plate 30, the shape of the skirt 34 approaches the shape of the fixed portion. When the fixed portion of the A-pillar 12 and the glass plate 30 for the A-pillar are opposed to each other, the gap can be made constant. The constant gap makes the thickness of the adhesive uniform and reduces the variation in the adhesive strength. The fixing portion of the A-pillar 12 and the glass plate 30 for the A-pillar are more securely fixed.

Further, by increasing the radius of curvature of the skirts 34 at both ends of the A-pillar glass plate 30, the step between the A-pillar 12 and the A-pillar glass plate 30 becomes smaller. The small step suppresses the generation of air resistance. As a result, fuel efficiency is improved, wind noise is reduced, and the quietness of the vehicle 10 is contributed.

The longitudinal direction means a direction having a long length in the A-pillar glass plate 30, and in FIG. 3, it is a direction extending to the right oblique direction. Of the four sides that make up the outer circumference of the A-pillar glass plate 30, two opposing sides that extend in the longitudinal direction form the long side. The ridge line portion 32 along the longitudinal direction is a region in which a high portion h with respect to the plane is connected in the longitudinal direction when the A-pillar glass plate 30 is installed on a flat surface with the outer surface of the vehicle facing upward. .. Therefore, the ridge line portion 32 along the longitudinal direction extends in the longitudinal direction of the A-pillar glass plate 30. The curved shape is a shape composed of a curved surface. However, a part composed of a straight line may be included in a part.

The skirt portion 34 is a region between the ridge line portion 32 and the end portion 35 to 20 mm in the width direction of the A-pillar glass plate 30. The radius of curvature of the ridge portion 32 and the skirt portion 34 can be measured by, for example, the articulated coordinate measuring machine Vectron VMC5500 manufactured by Kosaka Laboratory Co., Ltd. The radius of curvature of the ridge line portion 32 is preferably 100 mm or more and 500 mm or less, and more preferably 150 mm or more and 300 mm or less.

_{Further, as shown in FIG. 3, the range L 1} of 20 mm from both ends of the A-pillar glass plate 30 of the skirt portion 34 in the width direction toward the ridge line portion 32 is preferably a radius of curvature of 300 mm or more, preferably 400 mm. It is more preferably 500 mm or more, and further preferably 500 mm or more. The 20 mm range L ₁ of the skirt 34 generally coincides with the range to which the adhesive is applied.

The A-pillar glass plate 30 is manufactured by forming a flat plate shape by, for example, a float method or the like, and forming the glass plate into a curved shape by gravity molding or press molding. The glass plate for manufacturing the A-pillar glass plate 30 may be inorganic glass. The glass plate may be soda lime glass, aluminosilicate glass, or non-alkali glass. When the glass plate is soda lime glass, it may be green glass or clear glass. When the glass plate 30 for the A pillar is soda lime glass, it is preferable that the glass has the same composition as the glass plate of the windshield 18 in terms of a sense of unity and design. When the glass plate 30 for the A pillar is soda lime glass, it is preferable that the glass has the same composition as the glass plate of the side window glass 20 in terms of a sense of unity and design. When the glass plate 30 for the A pillar is soda lime glass, it is preferable that the glass has the same composition as the glass plate of the front bench glass 19 in terms of a sense of unity and design.

In the case of one tempered glass, the glass plate 30 for the A-pillar preferably has a plate thickness of 2 mm or more and 5 mm or less, and more preferably 2.8 mm or more and 4 mm or less. In the case of laminated glass composed of two or more glass plates, the glass plate 30 for the A-pillar preferably has a plate thickness of 0.3 mm or more and 3 mm or less, and a plate thickness of 1 mm or more and 2.5 mm or less. It is more preferable to have. When the glass plate 30 for the A pillar is a laminated glass composed of two or more glass plates, the plate thickness of each glass plate may be the same or different. When the thickness of each glass plate is different, it is preferable to make the glass plate located on the outside of the vehicle thicker and the glass plate located on the inside of the vehicle thinner from the viewpoint of anti-stepping stones and weight reduction. The end portion of the A-pillar glass plate 30 may be chamfered. Details of tempered glass and laminated glass will be described later.

The A-pillar glass plate 30 may have a rectangular shape, for example, in a plan view, in accordance with the shape of the A-pillar 12. The plan view means a case where the A-pillar glass plate 30 is viewed from above when the A-pillar glass plate 30 is installed on a flat surface with the vehicle outer side facing upward.

In the present specification, the rectangle means a quadrangle and a substantially quadrangle, and the sides forming the rectangle may be linear or curved. Further, the angle of the corner portion of the rectangle is not limited to 90 °, and may be in the range of 30 ° to 120 °. The corners of the rectangle may have an arc shape. Therefore, the rectangle may be referred to as a quadrangle, a substantially quadrangle, a quadrilateral, or a substantially quadrilateral.

It is preferable that the maximum value of the widthwise dimension of the A-pillar glass plate 30 is 200% or less of the minimum value of the widthwise dimension. In FIG. 2, the maximum value L ₂ (lower part) of the widthwise _{dimension of the A-pillar glass plate 30 is 200% or less of the minimum value L 3} (upper part) of the widthwise dimension, that is, (L ₂ / L ₃ ). It is preferable that × 100 ≦ 200 (%). The (L ₂ / L ₃ ) × 100 (%) value is more preferably 150% or less, still more preferably 120% or less. The ratio of L _{2 to L 3} described above makes it possible to mount the A-pillar glass plate 30 on the A-pillar 12 without significantly changing the design of the A-pillar 12 of the vehicle 10.

The maximum value L ₂ means the length of the portion of the linear virtual line orthogonal to the ridge line portion 32 where the distance to the opposite end of the A-pillar glass plate 30 is the longest. The minimum value L ₃ means the length of the portion of the virtual line orthogonal to the ridge line portion 32 where the distance to the opposite end of the A-pillar glass plate 30 is the shortest.

As shown in FIGS. 2 and 4, the cross-sectional shape of the A-pillar glass plate 30 in the direction of the ridge line portion 32 below the center in the vertical direction is a curved surface shape protruding toward the inside of the vehicle (a curved surface shape). It is preferable to have a curved surface shape portion 36). The curved surface-shaped portion 36 of the lower portion of the glass plate 30 for the A-pillar provides a design that smoothly connects to the bonnet of the vehicle 10, so that a sense of discomfort in the design can be eliminated. Therefore, the design is improved.

As shown in FIG. 5, the glass plate 30 for the A-pillar has 1/4, 2/4, and 3/4 from the upper end of the ridge 32 toward the lower end in the direction of the ridge 32. As for the cross-sectional shape in the width direction of the position, the difference between the minimum values of the radii of curvature of the adjacent cross-sectional shapes is preferably 30% or less. Making the difference between the minimum values of the radius of curvature 30% or less suppresses the occurrence of fluoroscopic distortion and reflection distortion on the A-pillar glass plate 30. 0.7R when the minimum radius of curvature at the 1/4 position is R ₁ , the minimum radius of curvature at the 2/4 position is R _2, and the minimum radius of curvature at the 3/4 position is R _3. The relationship of ₁ <R ₂ <1.3 _{R 3 is preferable.} The difference in the minimum value of the radius of curvature is preferably small, but the difference in the minimum value of the radius of curvature may be appropriately determined from the viewpoint of design.

Next, the transparent portion 38 and the opaque portion 40 of the A-pillar glass plate 30 will be described. As shown in FIGS. 6 and 7, the A-pillar glass plate 30 has a transparent portion 38 having a visible light transmittance of 70% or more, and a colored opaque portion 40 surrounding the transparent portion 38. Is preferable. The colored opaque portion 40 may be a black, so-called “black ceramic” shielding layer. When the opaque portion 40 is a black sera, it can be formed by applying a black sera printing ink to a glass surface and baking the black sera printing ink. The opaque portion 40 suppresses deterioration of the adhesive portion that joins the A-pillar glass plate 30 and the fixed portion of the A-pillar 12 (not shown) due to ultraviolet rays. Further, the opaque portion 40 prevents the interior of the vehicle from being visually recognized from the outside of the vehicle. The transparent portion 38 of the A-pillar glass plate 30 means a region where the colored opaque portion 40 is not formed.

FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG. 1 when the glass plate 30 for the A pillar shown in FIG. 6 is mounted on the A pillar 12. As shown in FIG. 8, the A-pillar glass plate 30 is directly fixed to the fixing portion 12B of the A-pillar 12 with an adhesive (not shown). The A-pillar glass plate 30 covers the opening 12A of the A-pillar 12.

The fixed portion 12B of the A pillar 12 has a substantially flat surface. The radius of curvature of the skirt portion 34 of the A-pillar glass plate 30 is large, and the gap between the fixed portion 12B and the skirt portion 34 is a substantially constant distance. The glass plate 30 for the A-pillar can have a uniform thickness of the adhesive and can reduce the variation in the adhesive strength. Further, the glass plate 30 for the A pillar reduces the step with the A pillar 12 and reduces the air resistance.

When the A-pillar glass plate 30 is mounted on the opening 12A of the A-pillar 12 of the vehicle and the A-pillar glass plate 30 is viewed from the front front of the vehicle 10 facing the A-pillar glass plate 30. It has a shape in which 70% or more of the area of the transparent portion 38 can be visually recognized. Further, with the A-pillar glass plate 30 mounted on the opening 12A of the A-pillar 12 of the vehicle, the A-pillar glass plate 30 was viewed from the side of the vehicle 10 facing the A-pillar glass plate 30. At that time, it has a shape in which 70% or more of the region of the transparent portion 38 can be visually recognized.

Region of the transparent section 38 is represented by the surface area S _T except the opaque portion 40 of the A-pillar glass plate 30. Region of the transparent portion 38 when viewed A-pillar glass plate 30 from the front side on the front is represented by a projected area S _F region of the transparent section 38. Region of the transparent portion 38 when viewed A-pillar glass plate 30 from the side is represented by the projected area S _S of the area of the transparent portion 38.

A pillar glass plate 30 shown in FIG. _8, it is preferable to satisfy _{(S F / S T) ×} 100 ≧ 30 (%), and _{(S S / S T) ×} 100 ≧ 30 (%), ( It is more preferable to satisfy S _F / S _T ) × 100 ≧ 50 (%) and (S _S / S _T ) × 100 ≧ 50 (%). The A-pillar glass plate 30 is curved so as to connect the windshield 18 and the side window glass 20. The A-pillar glass plate 30 ensures visibility for the driver.

The glass plate 30 for the A pillar may be tempered glass. Tempered glass is a glass having a compressive stress layer on the glass surface and a tensile stress layer inside the glass. The tempered glass is preferably chemically tempered glass or air-cooled tempered glass. FIG. 9 shows a cross-sectional view when the glass plate 30 for the A pillar is tempered glass. As shown in FIG. 9, for example, in the A-pillar glass plate 30, the resin film 50 can be provided on the inner side surface of the vehicle in a region other than the opaque portion 40. The resin film 50 can prevent the fragments from scattering when the glass plate 30 for the A pillar is damaged. As the resin film 50, for example, a polyethylene resin-based or polyester resin-based transparent resin film can be used. In FIG. 9, the case where the resin film 50 is provided on the inner side surface of the A-pillar glass plate 30 is illustrated, but it may be on either the inner side surface or the outer side surface of the vehicle. Therefore, the resin film 50 can also be provided on the vehicle outer surface of the A-pillar glass plate 30.

The glass plate 30 for the A pillar may be laminated glass. FIG. 10 shows a cross-sectional view when the glass plate 30 for the A pillar is laminated glass. As shown in FIG. 10, the A-pillar glass plate 30 includes two glass plates, a first glass plate 42 arranged on the outside of the vehicle and a second glass plate 44 arranged on the inside of the vehicle, and a second glass plate. An interlayer film 46 is provided between the glass plate 42 of 1 and the glass plate 44 of the second. In the interlayer film 46, the first glass plate 42 and the second glass plate 44 are joined. The interlayer film 46 preferably has a visible light transmittance of 70% or more.

As the interlayer film 46, for example, polyvinyl butyral (PVB), ethylene-vinyl acetate copolymer (EVA), or the like can be used. Of these, PVB is preferable as the interlayer film 46 from the viewpoint of adhesiveness and penetration resistance of the laminated glass.

The first glass plate 42 and the second glass plate 44 have a ridge line portion 32 along the longitudinal direction. The cross-sectional shape in the width direction orthogonal to the ridge line portion 32 is a curved shape protruding toward the outside of the vehicle, and the skirt portions 34 at both ends in the width direction have a larger radius of curvature than the ridge line portion 32.

FIG. 11 is a partial cross-sectional view of an end portion of the A-pillar glass plate 30 made of laminated glass. As shown in FIG. 11, the interlayer film 48 is formed by laminating two high-hardness layers 48A and one low-hardness layer 48B having a hardness lower than that of the high-hardness layer 48A. The low hardness layer 48B is arranged between the two high hardness layers 48A. By sandwiching the low-hardness layer 48B between the two high-hardness layers 48A, the interlayer film 48 becomes a sound-insulating functional film having sound-insulating properties. Here, the hardness is the shore hardness.

For example, the interlayer film 48 can be composed of PVB as the high hardness layer 48A and PVB as the low hardness layer 48B having a hardness lower than that of the high hardness layer 48A. The hardness of PVB can be adjusted by the amount of plasticizer added. However, the types of resins for the high hardness layer 48A and the low hardness layer 48B are not limited as long as they are suitable for laminated glass.

The A-pillar glass plate 30 described above preferably has a water-repellent film (not shown) containing fluorine or silicone as a main component on at least a part of the outer surface of the vehicle. The water-repellent film improves the water repellency of the A-pillar glass plate 30, and can improve visibility in rainy weather. Since the glass plate 30 for the A-pillar cannot be wiped with water droplets by the front wiper, this configuration is effective.

The above-mentioned A-pillar glass plate 30 may have a coating layer that imparts a hydrophilic function, an anti-fog function, and the like. Since it is difficult for the air blown from the defogger for preventing fogging of the vehicle 10A to hit the inner side surface of the upper part of the glass plate 30 for the A pillar, fogging may easily occur. Therefore, it is preferable that the A-pillar glass plate 30 has a coating layer having an anti-fog function. It is not necessary for the entire A-pillar glass plate 30 to have a coating layer having an anti-fog function, and a portion where air from the defogger is difficult to hit, for example, the upper part 1 / with reference to the height direction of the A-pillar glass plate 30. It is preferable that the portion above 2 or the portion above the upper 1/3 has a coating layer. Further, in the case of laminated glass, the facing surfaces of the first glass plate 42 and the second glass plate 44 usually have a coating layer including a metal layer such as a low-radioactivity coating, an infrared light-shielding coating, and a conductive coating. You may.

In addition to the thermoplastic resin and the plasticizer, the interlayer film 48 includes an infrared absorber, an ultraviolet absorber, a fluorescent agent, an adhesive modifier, a coupling agent, a surfactant, an antioxidant, a heat stabilizer, and a light stabilizer. , Defoaming agent, antifoaming agent, antistatic agent, flame retardant and other various additives may be contained.

The interlayer film 48 may include a so-called shade band layer that reduces the glare of the occupants of the vehicle due to sunlight. The shade band layer is provided on the peripheral edge of the side that becomes the upper side when the A-pillar glass plate 30 is attached to the vehicle.

When the glass plate 30 for the A pillar is laminated glass, a functional film other than the interlayer film 48 may be provided between the first glass plate 42 and the second glass plate 44. In the functional film, for example, the interlayer film 48 forms a layered structure and is arranged between the layers. The functional film may be an infrared reflective film, a dimming film, a heat generating film, or a display. As the light control film, PDLC form, SPD film, guest host liquid crystal film, electrochromic, thermochromic and the like can be preferably used. Further, as the heat generating film, a film on which a conductive wire is printed, a film on which a conductive film is formed, or the like can be preferably used. In addition, a plurality of conductive wires themselves may be arranged instead of the heat generating film. As the display, an OLED, a liquid crystal, or the like can be preferably used.

The A-pillar glass plate 30 may be provided with a resin molding on the outer periphery thereof. FIG. 12 is a partial cross-sectional view of a glass plate 30 for an A pillar provided with a resin molding 60 on the outer periphery. The A-pillar glass plate 30 and the molding 60 are adhered to each other by an adhesive (not shown). The molding 60 includes a vehicle inner portion 60A that contacts the vehicle interior side surface of the A-pillar glass plate 30, an end face portion 60B that contacts the end surface of the A-pillar glass plate 30, and a protrusion 60C having the end surface portion 60B as a base. Has. The mall 60 in FIG. 12 is a so-called two-sided mall. The protruding portion 60C is elastically deformed and comes into close contact with the A pillar 12. The protruding portion 60C ensures good waterproofness.

The molding 60 is a general term for gaskets, modules, weather strips, seal rubbers, and the like. As the resin material for forming the molding 60, soft polyvinyl chloride is generally used, but elastomers such as polyolefin-based elastomers, polyurethane-based elastomers, polyester-based elastomers, and polyamide-based elastomers, polyurethanes, and ethylene vinyl acetate copolymers. , Vinyl acetate, chlorinated polyethylene, ethylene propylene diene monomer (EPDM), and other rubber materials may be used. Further, if necessary, a mixture of two or more of these materials may be used.

As an adhesive for adhering the glass plate 30 for A pillar and the molding 60, at least one or two kinds such as polyurethane-based, polyester-based, polyamide-based, phenol-based, acrylic-based, epoxy-based, cyanoacrylate-based, and rubber-based are used. The above mixture may be used as it is, may be dissolved in a solvent, or may be used as a so-called emulsion dispersed in water.

As shown in FIG. 12, a support member 62 is arranged between the inner surface of the A-pillar glass plate 30 and the fixing portion 12B of the A-pillar 12. The A-pillar glass plate 30 and the fixing portion 12B are adhered to each other by the adhesive 64 via the molding 60. The A-pillar glass plate 30 and the fixing portion 12B are indirectly bonded to each other.

Next, the range to which the adhesive 64 is applied will be described. FIG. 13 is a schematic configuration diagram of the A-pillar glass plate 30. The A-pillar glass plate 30 includes two opposing long sides 31, 33. Long side 31 has a length of _{L 4,} the long side 33 has a length of _{L 5.} The adhesive 64 (not shown) is preferably applied in a range of 80% or more of _{the length L 4} of the long side 31 and 80% or more of the length L _{5 of the long side 33, and more preferably 90% or more.} .. The adhesive 64 applied to 80% or more of the long sides 31 and 33 can further strengthen the adhesive force between the A-pillar glass plate 30 and the A-pillar 12. As the adhesive 64, a urethane-based adhesive or the like can be used.

FIG. 14 is a perspective view of a main part of the vehicle 10A in which the glass plate 30 for the A pillar is provided on the A pillar 12 of the vehicle 10A, which is different from that of FIG. The same components as those in FIG. 1 are designated by the same reference numerals, and the description thereof will be omitted. In FIG. 14, unlike FIG. 1, the A pillar 12 on the side of the side window glass 20 is configured so as not to be visually recognized from the outside of the vehicle. This configuration is preferable from the viewpoint of the design of the vehicle 10A.

The A-pillar glass plate 30 is preferably attached to the vehicle 10A at an angle of 15 degrees or more and 60 degrees or less, more preferably 20 degrees or more and 50 degrees or less, and 25 degrees or more and 45 degrees or less. Is more preferable. The horizontal direction refers to a plane parallel to the ground. It is preferable that the A-pillar 12 and the windshield 18 have substantially the same mounting angle because they give a sense of unity in appearance. Therefore, the mounting angle of the vehicle 10A of the A-pillar glass plate 30 mounted on the A-pillar 12 is preferably in the above range.

The specification, claims, drawings and abstracts of Japanese Patent Application No. 2018-129307 filed on July 6, 2018 and Japanese Patent Application No. 2019-083047 filed on April 24, 2019. The entire contents of the above are cited here and incorporated as the disclosure of the present invention.

10, 10A ... Vehicle, 12 ... A pillar, 12A ... Opening, 12B ... Fixed part, 14 ... Roof, 16 ... Opening, 18 ... Windshield, 18A ... Transparent part, 18B ... Opaque part, 19 ... Front bench glass , 20 ... Side window glass, 22 ... Front door, 30 ... Glass plate for A pillar, 31 ... Long side, 32 ... Ridge line part, 33 ... Long side, 34 ... Base part, 35 ... End part, 36 ... Curved shape part , 38 ... Transparent part, 40 ... Opaque part, 42 ... First glass plate, 44 ... Second glass plate, 46 ... Intermediate film, 48 ... Intermediate film, 48A ... High hardness layer, 48B ... Low hardness layer, 50 ... resin film, 60 ... molding, 60A ... car inner part, 60B ... end face part, 60C ... protruding part, 62 ... support member, 64 ... adhesive

Claims (19)

It is mounted on the A-pillar of a vehicle in an opening formed along the longitudinal direction of the A-pillar.
It has a ridgeline portion along the longitudinal direction, and the cross-sectional shape in the width direction orthogonal to the ridgeline portion is a curved shape protruding toward the outside of the vehicle, and in the cross-sectional shape in the width direction, both ends in the width direction. The skirt portion is a glass plate for A pillar having a radius of curvature larger than that of the ridge line portion. The glass plate for an A-pillar according to claim 1, wherein the opening of the A-pillar of the vehicle is a quadrangle or a substantially quadrangle in a plan view. The glass plate for A pillar according to claim 1 or 2, wherein in the cross-sectional shape in the width direction, a range of 20 mm from both ends of the foot portion in the width direction toward the ridge line portion has a radius of curvature of 300 mm or more. The A-pillar glass plate according to any one of claims 1 to 3, wherein the A-pillar glass plate is a quadrangle or a substantially quadrangle in a plan view. The glass plate for A pillar according to any one of claims 1 to 4, wherein the maximum value of the dimension in the width direction is 200% or less of the minimum value of the dimension in the width direction. In a state where the glass plate for the A pillar is attached to the opening of the A pillar of the vehicle.
From claim 1, the cross-sectional shape of the portion of the glass plate for A-pillar below the center in the vertical direction, and the cross-sectional shape in the direction of the ridgeline portion has a curved surface shape protruding toward the inside of the vehicle. The glass plate for A pillar according to any one of 5. Adjacent cross-sectional shapes in the width direction at positions 1/4, 2/4, and 3/4 from the upper end of the ridge toward the lower end in the direction of the ridge. The glass plate for A pillar according to any one of claims 1 to 6, wherein the difference between the minimum values of the radius of curvature in the above is 30% or less. The A according to any one of claims 1 to 7, wherein the A-pillar glass plate has a transparent portion having a visible light transmittance of 70% or more and a colored opaque portion surrounding the transparent portion. Glass plate for pillars. The A-pillar glass plate according to any one of claims 1 to 8, wherein the A-pillar glass plate is tempered glass. The A-pillar glass plate according to claim 9, wherein the A-pillar glass plate has a resin film on either the inner side surface or the outer side surface of the vehicle. The glass plate for A pillar is a laminated glass having two glass plates and an interlayer film having a visible light transmittance of 70% or more arranged between the two glass plates. The glass plate for A pillar according to any one of the above items. The A-pillar glass plate according to claim 11, wherein the interlayer film is polyvinyl butyral. The A-pillar glass plate according to claim 11, wherein the interlayer film is a sound-insulating functional film in which a high-hardness layer and a low-hardness layer are laminated. The glass plate for A-pillar according to any one of claims 1 to 13, which has a water-repellent film containing fluorine or silicone as a main component on at least a part of the outer surface of the glass plate for A-pillar. The A-pillar glass plate according to any one of claims 1 to 14, wherein a resin molding is provided on the outer periphery of the A-pillar glass plate. In a state where the glass plate for the A pillar is attached to the opening of the A pillar of the vehicle.
When the A-pillar glass plate is viewed from the front front of the vehicle facing the A-pillar glass plate, and when the A-pillar glass plate is viewed from the side of the vehicle facing the A-pillar glass plate. The A-pillar glass plate according to claim 8, both of which have a shape in which 30% or more of the transparent portion region can be visually recognized. The glass plate for A-pillar has two long sides, and 80% or more of the long side is directly or indirectly bonded to the A-pillar via an adhesive with respect to the length of each long side. The A-pillar glass plate according to any one of claims 1 to 16. The glass plate for A pillar according to any one of claims 1 to 17, wherein the mounting angle to the vehicle is 15 degrees or more and 60 degrees or less with respect to the horizontal direction. The A-pillar glass plate according to any one of claims 1 to 18, which has a coating layer having an anti-fog function on at least a part of the vehicle interior side surface of the A-pillar glass plate.

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