WO1999048830A1 - Panneau de verre - Google Patents

Panneau de verre Download PDF

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Publication number
WO1999048830A1
WO1999048830A1 PCT/JP1999/001339 JP9901339W WO9948830A1 WO 1999048830 A1 WO1999048830 A1 WO 1999048830A1 JP 9901339 W JP9901339 W JP 9901339W WO 9948830 A1 WO9948830 A1 WO 9948830A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
spacer
sheet
wire
gap
Prior art date
Application number
PCT/JP1999/001339
Other languages
English (en)
Japanese (ja)
Inventor
Hideo Yoshizawa
Original Assignee
Nippon Sheet Glass Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10071703A external-priority patent/JPH11270242A/ja
Priority claimed from JP10113232A external-priority patent/JPH11302043A/ja
Priority claimed from JP10115030A external-priority patent/JPH11310436A/ja
Priority claimed from JP10115031A external-priority patent/JPH11310437A/ja
Priority claimed from JP10115032A external-priority patent/JPH11310438A/ja
Priority claimed from JP10120595A external-priority patent/JPH11311068A/ja
Priority claimed from JP10120594A external-priority patent/JPH11311067A/ja
Priority claimed from JP10138518A external-priority patent/JPH11324510A/ja
Priority claimed from JP10143992A external-priority patent/JPH11335143A/ja
Priority to CA002290407A priority Critical patent/CA2290407A1/fr
Priority to EP99909214A priority patent/EP0983974A4/fr
Priority to KR1019997010680A priority patent/KR20010012719A/ko
Application filed by Nippon Sheet Glass Co., Ltd. filed Critical Nippon Sheet Glass Co., Ltd.
Publication of WO1999048830A1 publication Critical patent/WO1999048830A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6604—Units comprising two or more parallel glass or like panes permanently secured together comprising false glazing bars or similar decorations between the panes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6612—Evacuated glazing units
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing units

Definitions

  • the present invention relates to a glass panel in which a gap between a pair of glass sheets is depressurized, convection of an internal gas is suppressed, a heat transmission rate is reduced, and heat insulation is improved.
  • various spacers such as a long spacer or a spacer in which a plurality of members are separated from each other and connected by a wire, are interposed between a pair of glass sheets, and the outer periphery of both glass sheets is
  • the present invention relates to a glass panel for hermetically sealing a glass plate and keeping a gap between both glass sheets in a reduced pressure state.
  • the gap between the sheet glasses is maintained in a reduced pressure state in order to enhance the heat insulating effect and the soundproofing effect. For this reason, the glass sheet is pressed against the spacer by atmospheric pressure. If the pressing force is large, stress concentration occurs in the sheet glass at the contact portion between the spur and the sheet glass, and there is a possibility that a local crack called a Hertz crack, a conical crack, or a ring crack may occur. If the local cracks occur, the depressurized state of the voids is impaired, and the heat insulating effect of the glass panel is reduced. In addition, if local cracks occur, the surface strength of the glass sheet decreases, and the glass sheet may be damaged by external forces such as wind pressure and vibration.
  • the spacer S is in contact with both glass sheets 1A and 1B on the strip side. Therefore, the contact area between them becomes large. Therefore, heat transfer easily occurs between the spacer S and the sheet glass, and the heat insulating effect of the glass panel is reduced.
  • a glass panel disclosed in, for example, Japanese Patent Application Laid-Open No. Hei 6-200676 has been proposed as one that enhances the heat insulation effect and reduces the airflow resistance in the gap V 1. .
  • a spacer in which a plurality of spheres are intermittently connected by a wire is used.
  • the contact thermal resistance between the two is reduced, and by connecting with a wire, the spacer can be easily arranged.
  • An object of the present invention is to provide a glass panel which solves the above-mentioned conventional problems, is easy to manufacture, suppresses stress concentration on a sheet glass by a spacer, and is excellent in a heat insulating effect and a transparent property. . Disclosure of the invention
  • the glass panel of the present invention comprises a space between a pair of first and second glass sheets.
  • a seal portion is provided around the entire outer edge of both glass sheets with the interposition of a seal.
  • the gap between the first glass sheet and the second glass sheet is sealed under reduced pressure.
  • the glass panel of the present invention facilitates manufacture by devising the shape of the spacer, suppresses stress concentration on the plate glass by the spacer, and is excellent in heat insulation effect and transparency. It is assumed.
  • the glass panel according to claim 1 is configured such that the spacer is made of a wire having a cross-sectional shape with no corners, and extends along the sheet surfaces of both sheet glasses. It has the characteristic that it is arranged in such a manner.
  • the cross-sectional shape of the spacer so as to have no corners, for example, even if the spacer is arranged in a twisted state, the first sheet glass and the second sheet glass can be formed.
  • the sharp corner does not come into contact with. Therefore, the supporting reaction force acting on the first glass sheet and the second glass sheet from the spacer is dispersed, and the stress concentration on the local part of the glass sheet is reduced. As a result, it is possible to prevent the strength of the first glass sheet and the second glass sheet from decreasing, and to obtain a glass panel that is less likely to be locally cracked or damaged.
  • the efficiency of the spacer arranging step can be improved.
  • the cross section of the wire can be formed to be circular or substantially circular.
  • the spacer makes a line contact or a surface contact with the first sheet glass and the second sheet glass. Therefore, the load acting on the first glass sheet and the like is dispersed, and local cracks and the like can be more effectively prevented.
  • the glass panel according to claim 3 includes, as shown in FIG. They can be arranged side by side with a gap between them, so that the gaps between the wires can communicate with each other.
  • a glass panel having high heat insulation and the like can be formed efficiently and economically.
  • the glass panel according to claim 4 is as shown in FIGS. 19 to 22. That is, the spacer includes a plurality of convexly curved surface portions that bulge toward a side closer to the plate glass. These convex curved portions are provided at intervals in the longitudinal direction of the spacer. And when the convex curved surface portion is cut by a plane including two contact portions where the first glass plate and the second glass plate and the convex curved surface portion are in contact with each other, a cross-sectional peripheral portion formed on the convex curved surface portion Are configured such that the radius of curvature of each of the planes differs.
  • a gap is formed between the spacer and the first glass sheet and the second glass sheet between adjacent convex curved portions along the longitudinal direction of the spacer. Therefore, it is possible to reduce the ventilation resistance of the gap.
  • the radius of curvature of the cross-sectional peripheral portion of the convex curved surface portion is different for each arbitrary plane.
  • both elastic deformations occur to some extent, and both make line contact or surface contact.
  • the convex curved surface portion is substantially in line contact.
  • the contact portion is located in a plane where the maximum radius of curvature can be obtained.
  • the contact state between the sensor and the first plate glass or the like can be line contact instead of point contact. Therefore, it is possible to obtain a glass panel in which local cracks such as Hertz cracks are unlikely to occur.
  • the glass panel using the sensor of this configuration has a high heat-insulating effect, a small airflow resistance in the voids, does not impair the transparency, and prevents the glass interface from cracking.
  • the glass panel according to claim 5 is as shown in FIGS. 19 to 22. That is, the radius of curvature is configured such that the radius of curvature in a cross section along the longitudinal direction of the spacer is maximum, and the radius of curvature in a cross section perpendicular to the longitudinal direction is minimum.
  • the convex curved surface portion can be formed into an elongated spindle shape along the longitudinal direction of the spacer, and the convex curved surface portion interposed between the sheet glasses is hardly noticeable from the outside.
  • the glass panel according to claim 6 is characterized in that, as shown in FIGS. 23 and 24, a wire is spirally wound to form a spacer.
  • the peripheral surface of the wire comes into contact with the first sheet glass and the second sheet glass at a plurality of contact sites spaced apart along the extending direction of the spacer. Therefore, the supporting reaction force acting on the first glass sheet and the second glass sheet from the spacer is dispersed. Moreover, since the spacer is spirally wound, a gap can be formed between the first sheet glass and the second sheet glass and the wire, so that the airflow resistance in the gap can be reduced.
  • the glass panel uses the spiral spacer to disperse the supporting reaction force acting on the first sheet glass and the like, thereby preventing cracking and breakage of the first sheet glass and the like.
  • the contact area between the spacer and the two sheets of glass is small, the contact thermal resistance between them is increased, and the heat insulating effect of the glass panel can be enhanced.
  • the air gap has low airflow resistance, the work of sucking the gas in the air gap and reducing the pressure can be performed efficiently.
  • a fixed length is applied so that the thermal resistance of the entire sensor becomes the desired thermal resistance.
  • the number of turns of the wire can be changed. In other words, as the number of turns of the wire is reduced, the heat transfer between the first glass sheet and the second glass sheet is suppressed, and a glass panel having a high heat insulating effect can be obtained.
  • the glass panel according to claim 7 may be as shown in FIG.
  • the shape of the strap used here is a wire that is partially spirally wound at a location separated by a predetermined distance.
  • the glass panel according to claim 8 may be as shown in FIG. That is, the spacer may be formed by winding a wire spirally along the outer peripheral surface of the core material.
  • the core material can prevent the deformation.
  • the handling of the spacer in the manufacturing process becomes easy, and the glass panel can be manufactured efficiently.
  • a sensor having a core material can reliably receive the first glass sheet and the second glass sheet, and can effectively prevent cracks and breakage of both glass sheets. Furthermore, by appropriately changing the combination of the diameter and the material of the wire and the diameter and the material of the core, it is easy to set the thermal resistance of the entire spacer to a desired value.
  • the spacer is formed of a wire having a substantially circular cross section as shown in FIGS. 23 and 24, for example.
  • the spacer comes into contact with the first glass sheet or the like in a point-like manner at a plurality of contact sites spaced from each other, and the contact area between the spacer and the two glass sheets is reduced. Also, according to the diameter of the wire, it is easy to predict the contact state of the contact portion when the wire and the two glass sheets come into contact.
  • the glass panel according to Claim 10 is shown in FIGS.
  • the spacers can be configured by arranging spacers made of wire rods with knots at regular intervals.
  • a knot of any size can be formed by appropriately selecting a knot using the same base.
  • the distance between the first glass sheet and the second glass sheet can be set arbitrarily.
  • the spacer and the two glass sheets come into contact only with the knot. Therefore, the contact area between the spacer and both glass sheets can be made extremely small. In this case, the contact heat resistance between the spacer and the glass sheets becomes large, and the heat insulating effect can be enhanced.
  • the knot may be formed by solid knot.
  • the knot is constituted by a solid knot, the knot becomes a lump and has no spread area, so that the knot becomes inconspicuous in appearance.
  • a knot can be formed by twisting the wire.
  • the knot can be formed by simply twisting the wire. You. Therefore, the spacer can be manufactured efficiently.
  • the glass panel according to Claim 13 is characterized in that, as shown in FIGS. 34 to 36, a long sensor formed by twisting a plurality of wires is used. .
  • a spacer is formed by twisting a plurality of wires, the first glass sheet and the second glass sheet and the spacer come into contact with each other at a plurality of spaced contact portions. Therefore, the supporting reaction force that the spacer acts on the both glass sheets due to the atmospheric pressure can be dispersed.
  • a gap is formed between the spacer and the two glass plates between the contact portions adjacent to each other in the longitudinal direction of the spacer. Therefore, the airflow resistance in the gap can be reduced.
  • the supporting reaction force against the glass panel can be dispersed to prevent the glass panel from being cracked or damaged.
  • the contact area between the spacer and the glass sheets can be reduced, the contact thermal resistance can be increased, and the heat insulating effect can be enhanced.
  • the airflow resistance in the air gap is small, the work of sucking the gas in the air gap and reducing the pressure can be performed efficiently, and in the case of a long spacer, it is fixed by winding it around the first glass plate, for example.
  • glass panels can be easily manufactured.
  • the glass panel according to claim 14 includes a spacer formed by partially burning a plurality of wire rods at predetermined intervals in their longitudinal direction. It can also be configured using.
  • the spacer can be formed using a wire having a substantially circular cross section.
  • the contact portions between the peripheral surfaces of the wire are formed in a straight line along the longitudinal direction of the wire.
  • the spacer makes a point-like contact with the two glass plates at a plurality of contact portions spaced apart. In this way, the contact area between the wires and the contact area between the spacer and the glass sheets should be reduced. Therefore, heat conduction between the first glass sheet and the second glass sheet can be reduced.
  • the contact portions between the first sheet glass and the second sheet glass and the wire are provided at regular intervals, and the contact shape is substantially constant according to the diameter of the wire. Therefore, it is possible to easily predict the actual contact thermal resistance between the both glass sheets and the spacer. As a result, the dimensions and material of the wire can be appropriately set in order to secure a desired heat insulating effect.
  • the glass panel according to claim 16 is characterized in that, as shown in FIGS. 37 and 38, a spacer formed of a braid is used.
  • the braid here refers to a string having a portion woven into a predetermined shape using a wire.
  • the first sheet glass and the second sheet glass and the spacer make point contact at a plurality of contact portions. Therefore, the contact area between the two glass sheets and the spacer is extremely small, and the contact thermal resistance between the two is increased, so that the heat insulating effect of the glass panel can be enhanced.
  • braids are generally hard to twist and have good linearity. For this reason, when disposing the braid between the first glass sheet and the second glass sheet, the trouble of correcting the bending can be simplified.
  • the glass panel according to claim 17 is characterized in that, as shown in FIGS. 37 and 38, a spacer made of a braid having a core wire is used.
  • the braid comprises at least an inner portion made of one core wire and an outer portion made of a tubular braided member to hold the inner portion.
  • the inner portion when the inner portion is made of a material having high tensile strength, the tensile strength of the entire braid can be increased. This reduces the risk of the braid being cut during the production of the glass panel, thereby improving the production efficiency of the glass panel.
  • the outer portion when the outer portion is made of carbon fiber or the like having low thermal conductivity, heat conduction between the braid and the two glass sheets is suppressed, so that a glass panel having a high heat insulating effect can be obtained.
  • the respective portions can be formed of materials having different purposes. Therefore, a spacer can be appropriately designed to obtain a glass panel having desired performance.
  • the glass panel according to claim 18 is characterized in that, as shown in FIG. 39, a plurality of braids are broken or braided to form a spacer.
  • the contact portions between the first glass sheet and the second glass sheet and the spacer will be more scattered. That is, the interval between the contact portions adjacent to each other along the longitudinal direction of the spacer is wider than that in the case according to claim 17 of the present invention. For this reason, the gap between the spacer and the two glass sheets becomes wide. Therefore, it is easy to conduct air from one side of the spacer to the other side along the surface direction of the plate glass, and even when a plurality of spacers are juxtaposed, the air existing in the gap portion Exhaust is easy.
  • the spacer since the spacer is intermittently in contact with both glass sheets, it has good heat insulating properties. Also, the spacer made of braid has a certain degree of elasticity, so that the concentration of stress can be moderately reduced.
  • the glass panel according to claim 19 is characterized in that, as shown in FIGS. 41 and 42, a spacer made of a string member woven with a wire is used.
  • one wire rod is sequentially knitted so as to have a planar spread.
  • the wire can be woven into a rod shape to give a three-dimensional shape.
  • the thickness of these flat or three-dimensional braided portions can be freely set depending on the degree of braiding. Even when the space between the voids to be formed is predetermined, a braided portion having a predetermined thickness can be easily formed using a wire sufficiently thinner than the space. It is also optional to provide such a braided portion intermittently along the longitudinal direction of the spacer.
  • the spacer of this configuration can be formed efficiently without the need to combine a plurality of wires.
  • the interval between the glass sheets can be freely set, and the air existing in the gap can be easily exhausted. Further, it is possible to obtain a glass panel having excellent heat insulating properties such that stress concentration acting on both glass sheets can be reduced to prevent breakage of the glass panel.
  • the glass panel according to claim 20 is characterized in that, as shown in FIGS. 43 and 44, the spacer body is formed by using spacers which are connected to each other by wires at intervals. Having.
  • the spacer body is formed in a columnar shape, and has a contact portion with the plate surface along the longitudinal direction.
  • the columnar sensor body is interposed between the glass sheets so that the longitudinal direction is along the surface of the first glass sheet and the second glass sheet, and a gap is formed between the glass sheets. can do.
  • both glass panes try to bend around each spacer body as a fulcrum.
  • the spacer main body is formed in a columnar shape, and has a contact portion for both glass sheets along its longitudinal direction. Therefore, the supporting reaction force acting on each glass sheet from each spacer main body is dispersed along the longitudinal direction of the spacer main body.
  • the support reaction force can be dispersed without disposing the spacer body more densely than in the related art, so that it is possible to prevent local cracks or the like from occurring on the glass surface and to prevent the glass panel from being broken. Transparency can be ensured.
  • the glass panel according to claim 21 is characterized in that the contact portion is configured to linearly contact both glass sheets.
  • the supporting reaction force acting on each of the glass sheets from each of the spacer bodies can be linearly dispersed along the contact portions.
  • the bending of the both glass sheets can be minimized, and the contact length between the both glass sheets and the base unit is made constant.
  • the contact length is made constant, the state of vibration transmission between the two glass sheets via the spacer body is also made constant. Therefore, with the glass panel having this configuration, a desired heat insulating effect and soundproofing effect can be obtained.
  • the pillar-shaped spacer main bodies are connected to each other by wires in a state of being separated from each other, there is an advantage that the transparency of the glass panel is easily ensured.
  • a glass panel according to claim 22 is characterized in that the pillar-shaped spacer main body has a cylindrical outer peripheral surface.
  • a glass panel according to claim 23, as shown in FIGS. 45 to 50, comprises a column-shaped baser body having a plurality of contact portions in a longitudinal direction with respect to both glass sheets in a point-like manner. It has a feature in that it is configured using.
  • the glass panel according to claim 24 may be configured using a columnar spacer body shown in FIGS. 45 and 46. That is, a ridge having a constant height is provided on the cylindrical outer peripheral surface of the spacer main body along the circumferential direction with respect to the axis of the spacer main body. Also includes a plurality of such ridges. With this configuration, even when the spacer body rotates around its own axis, the outer peripheral edge of the ridge portion can be stably brought into contact with the two glass sheets in a plurality of points. Therefore, it is possible to easily attach the spacer main body to both glass sheets.
  • the glass panel according to claim 25 is characterized in that it is configured using a spacer in which a plurality of spacer bodies are connected at their radially central portions by a wire.
  • the glass panel according to claim 26 can be configured using the spacers shown in FIGS. 51 and 52.
  • a cord-shaped spacer formed by connecting a plurality of engaging piece members is used.
  • the engagement between the engagement piece members is performed by using an engagement portion provided at an end of each engagement piece member.
  • the length of the engagement piece member is set to a certain size.
  • the pitch of the engaging portion can be determined, that is, the contact pitch of the spacer with the first glass plate and the second glass plate can be determined.
  • the coefficient of thermal expansion of the engagement piece member is different from the coefficient of thermal expansion of both sheet glasses.
  • the influence of the dimensional change of the engagement piece members, and the individual engagement piece members accompanying the expansion and contraction of the glass can be improved.
  • the influence of the relative movement can be absorbed by the engaging portion. In other words, the dimensional change and relative movement can be sufficiently tolerated by strengthening or loosening the engagement state of the individual engagement piece members.
  • the spacer even if the temperature changes, the arrangement state of the spacer is not disturbed. Further, it is possible to prevent relative movement between the two glass sheets and the individual engaging piece members, thereby preventing inconvenience such as scratching the surfaces of the both glass sheets.
  • the two glass sheets and the engaging piece member It is possible to provide a gap between them. Therefore, when performing suction under reduced pressure in the gap between the two glass sheets, the suction operation can be performed using only one suction port, and the production of the glass panel can be simplified.
  • the spacer can be easily arranged, and the vacuum suction between the first sheet glass and the second sheet glass can be easily performed.
  • a spacer can be configured as shown in FIG.
  • the engagement piece members are formed of an annular body, and are connected to each other in a chain to form a spacer. In this case, a part of the annular body becomes the engaging portion.
  • the relative posture of the individual annular bodies can be freely changed. Therefore, for example, When placed on the first glass sheet, the individual annular bodies are placed in a state where they are securely in contact with the surface of the first glass sheet. That is, a situation in which the specific annular body floats from the surface of the first plate glass does not occur. In this way, the spacer of the present configuration can be arranged in a stable posture between the first sheet glass and the second sheet glass.
  • a spacer can be configured as shown in FIG.
  • annular second main body capable of forming the engaging portion is provided at an end of the first main body to form the engagement piece member, and each of the second main bodies is engaged in a chain shape. .
  • the adjacent engagement piece members are connected to each other to form the spacer.
  • each engaging piece member is placed between the first glass sheet and the second glass sheet in the same manner as described in Claim 27. It can be arranged in a stable posture.
  • the linear body is more linear than the spacer described in claim 27. Can be arranged.
  • the length of one-third engaging piece members becomes long. Therefore, when configuring a spacer having a predetermined length, the number of necessary engagement pieces can be reduced. As a result, the number of the engaging portions, that is, the number of the portions where the spacer is bent is reduced, so that the linearity can be secured, and the appearance of the glass panel is improved.
  • the glass panel according to claim 29 can form a spacer as shown in FIG. 54.
  • the bar-shaped main body is provided with engaging portions formed of hook-shaped portions at both ends to form the engaging piece members, and the hook-shaped portions are engaged with each other.
  • the adjacent engagement piece members are connected to form a spacer.
  • the engagement piece members can be arranged while being engaged and connected. Therefore, it is possible to freely configure a spacer having an arbitrary length. Further, in this configuration, the individual engagement piece members are separated from each other until the spacer is arranged. Therefore, the spacer can be transported in a compact state as compared with a case where the individual engagement piece members are connected in advance.
  • the hook-shaped portion of the present configuration can be formed by simply bending the end of the rod-shaped main body, for example, the configuration of the stirrer becomes very simple.
  • the glass panel according to claim 30 is configured such that a spacer is formed by forming a plurality of first wire rods oriented in one direction along the plate surfaces of the first sheet glass and the second sheet glass.
  • a plurality of second wires are oriented in a direction different from that of the first wires, and are arranged side by side at intervals along the plate surfaces of the two glass sheets. On the point.
  • the first wire and the second wire are crossed at the intersection of the first wire and the second wire. It comes into contact with either the first glass sheet or the second glass sheet. Therefore, the spacer and the two glass sheets come into contact with each other at multiple points, and the supporting reaction force acting on the both glass sheets from the spacer can be dispersed. Moreover, in the vicinity of the intersection, the plurality of first wires and the plurality of second wires contact only one of the first sheet glass and the second sheet glass, respectively. Therefore, a gap is formed between the spacer and the two glass sheets, and the pressure inside the gap can be easily reduced.
  • the spacer can be arranged without any trouble, the concentration of stress on the sheet glass can be suppressed, and the inside of the gap can be easily depressurized. .
  • the glass panel according to claim 31 can be configured using a spacer formed by laminating a second wire on a first wire in a lattice shape. .
  • the spacer can be arranged without any trouble, the concentration of stress on the sheet glass is suppressed, and the inside of the gap portion is easily formed. The effect of being able to reduce the pressure can be exhibited.
  • the glass panel according to claim 32 can be formed using the spacers shown in FIGS. 56 and 57. When looking at a plurality of intersections formed by the first wire and the second wire, the spacer is configured such that the vertical relationship between the first wire and the second wire is reversed between adjacent intersections. Are arranged in a grid pattern.
  • the spacer of this configuration is a sliver having the same configuration as a wire mesh generally called a mesh, and can be handled as a single member, so that it is extremely easy to dispose it on both glass sheets.
  • the concentration of stress on the sheet glass can be suppressed, and the pressure inside the gap can be easily reduced.
  • the glass panel according to claim 33 can be configured using a mesh-shaped spacer.
  • the spacer has a structure in which wires oriented in one direction are juxtaposed at intervals along the sheet surfaces of both sheet glasses, and adjacent wires are intertwined with each other.
  • the spacer is formed in a net shape of this configuration, and the spacer is also very easy to handle.
  • a spacer configured such that adjacent wires are engaged with each other at a predetermined interval and configured similarly to a so-called fence net can be expanded and contracted. Therefore, it is possible to convey in a state reduced in the width direction.
  • adjacent wires may be twisted together. This In this case, a stretcher having poor elasticity, but having autonomy and a stable mesh can be easily handled.
  • the glass panel according to claim 34 can be formed using a spacer shown in FIG. That is, a plurality of first wires, which are oriented in one direction, are arranged at a plurality of positions along the plate surface of the glass sheet with an interval therebetween, and a plurality of second wires are arranged so as to intersect the first wire. At this time, the intersecting first wire and second wire are joined at each intersection of the first wire and the second wire.
  • handling can be facilitated by integrating the spacer.
  • the spacer is a force that mainly causes each intersection and its surrounding area to come into contact with both sheets of glass; the junction at the intersection is thicker than the wire rod. Therefore, stress concentration on the sheet glass is suppressed.
  • the glass panel according to claim 35 can be configured using a spacer in which a knot is formed by the first wire and the second wire at the intersection.
  • the glass panel according to claim 36 can be formed using a spacer formed by joining intersecting wires at each intersection.
  • the mesh shape can be stabilized, and a spacer that is easier to handle can be provided.
  • the glass panel according to claim 37 can be formed using a spacer formed by knitting a wire into a flat knit.
  • a spacer formed of a flat knit has flexibility. Therefore, Both glass sheets can be easily spread on the sheet surface.
  • the wire rod can be knitted as shown in FIGS. 64 and 65, or can be knitted with a change in stitching as shown in FIGS. 66 and 67. As a result, a pattern can be imparted to the glass panel.
  • FIG. 1 is a partially cutaway perspective view showing a preferred glass panel according to the present invention.
  • FIG. 2 is a cross-sectional view showing a glass panel
  • FIG. 3 is a cross-sectional view showing the installation state of the spacer.
  • FIG. 4 and FIG. 5 are cross-sectional views showing embodiments of savers having different cross-sectional shapes.
  • FIG. 6 to FIG. 9 are explanatory views showing a procedure for forming a glass panel.
  • FIG. 10 to FIG. 14 are explanatory diagrams showing a procedure for forming a glass panel.
  • FIG. 15 to FIG. 18 are explanatory diagrams showing a procedure for forming a glass panel. Is a partial cross-sectional side view of the spacer according to the second embodiment,
  • FIG. 20 is a partial cross-sectional front view of the spacer according to the second embodiment, and
  • FIG. It is a partial cross-sectional side view of the spacer according to the second embodiment,
  • FIG. 22 is a cross-sectional view of the stirrer according to the second embodiment
  • FIG. 23 is a partial cross-sectional side view of a sourser according to the third embodiment
  • FIG. 24 is a partial cross-sectional front view of a sourser according to the third embodiment
  • FIG. 25 is a partially sectional side view of the spacer according to the third embodiment
  • FIG. 26 is a partially sectional side view of the spacer according to the third embodiment.
  • the figure is a plan view of the spacer according to the fourth embodiment
  • FIG. 28 is a side view of the sensor according to the fourth embodiment.
  • FIG. 29 is a plan view of a soother according to the fourth embodiment.
  • FIG. 30 is a side view of the sensor according to the fourth embodiment.
  • FIG. 31 to FIG. 33 are explanatory views showing a spacer manufacturing procedure according to the fourth embodiment.
  • FIG. 34 is a partial cross-sectional side view of the sensor according to the fifth embodiment, and
  • FIG. 35 is a partial cross-sectional front view of the sensor according to the fifth embodiment;
  • FIG. 36 is a partial cross-sectional side view of the spacer according to the fifth embodiment, and
  • FIGS. 37 to 40 are explanatory diagrams showing various spacers made of a braid according to the sixth embodiment.
  • FIGS. 41 and 42 are explanatory views showing various spacers made of a string member according to the sixth embodiment.
  • FIG. 43 is a perspective view showing a spacer according to a seventh embodiment
  • FIG. 44 is a cross-sectional view of the baser body according to the seventh embodiment.
  • FIG. 45 is a perspective view showing a spacer body according to the seventh embodiment
  • FIG. 46 is a longitudinal sectional view of the spacer body according to the seventh embodiment
  • FIG. 47 is a perspective view showing a spacer body according to the seventh embodiment, and FIG. 48 is a longitudinal sectional view of the spacer body according to the seventh embodiment;
  • FIG. 49 is a perspective view showing the spacer main body according to the seventh embodiment
  • FIG. 50 is a longitudinal sectional view of the spacer main body according to the seventh embodiment
  • FIG. 51 is a plan view showing an example of a spacer according to the eighth embodiment
  • FIG. 52 is a longitudinal sectional view of a main part showing an arrangement state of the spacer according to the eighth embodiment.
  • FIG. 53 is a perspective view showing an example of a spacer used for the glass panel of the eighth embodiment.
  • FIG. 54 is a plan view showing an example of a spacer used for the glass panel of the eighth embodiment.
  • FIG. 55 is a partially cutaway perspective view showing an example of the glass panel according to the ninth embodiment.
  • FIG. 56 is a perspective view of an essential part showing another example of the spacer according to the ninth embodiment.
  • FIG. 57 is a perspective view of a glass panel using the spacer according to the ninth embodiment.
  • FIGS. 58 to 64 are plan views showing examples of other spacers according to the ninth embodiment.
  • FIG. 65 is a plan view showing an example of a glass panel in which a sensor according to the ninth embodiment is arranged,
  • FIG. 66 is an explanatory view of a principal part showing another example of the stitches of the baser according to the ninth embodiment.
  • FIG. 67 is a plan view showing an example of a glass panel on which a spacer according to the ninth embodiment is arranged,
  • FIG. 68 is a partially cutaway perspective view showing a conventional glass panel.
  • FIG. 69 is a cross-sectional view showing an installation state of a conventional spacer. BEST MODE FOR CARRYING OUT THE INVENTION
  • the glass panel GP is composed of, for example, a pair of first plate glass 1A and second plate glass 1B.
  • a number of spacers S 1 are interposed between the first glass sheet 1A and the second glass sheet 1B. These spacers S1 are arranged at intervals along the plate surface.
  • the gap V1 between the first glass sheet 1A and the second glass sheet 1B is sealed under reduced pressure.
  • the first glass sheet 1A and the second glass sheet 1B are each formed of a transparent float glass sheet having a thickness of 3 mm.
  • a seal portion is provided between the outer peripheral edges of the first glass sheet 1A and the second glass sheet 1B.
  • the seal portion is, for example, a seal portion 2 using low melting point glass such as solder glass.
  • the seal portion 2 keeps the space V1 in a reduced pressure state.
  • the gap portion VI is pressurized by, for example, manufacturing a glass panel in a vacuum environment or suctioning air after manufacturing a glass panel.
  • Vacuum environment 1. 0 X 1 0- 2 T orr or less, 1. Good Banao long 0 X 1 0- 4 T orr less.
  • the suction for reducing the pressure in the gap V 1 in one of the first glass sheet 1 A and the second glass sheet 1 B or in the sealing part 2 Part 3 must be provided.
  • the outer peripheral edges of the first sheet glass 1A and the second sheet glass 1B are formed such that the first sheet glass 1A protrudes along the sheet surface direction.
  • a sealing material can be placed on the projecting portion 4, so that the outer peripheral portion of the gap portion VI can be efficiently and reliably sealed.
  • the spacer S 1 is made of a wire 5.
  • the wire 5 is provided along the plate surfaces of the first glass sheet 1A and the second glass sheet 1B.
  • the spacer S 1 is a thin wire made of stainless steel (SUS304) and has a diameter of
  • the spacer S1 abuts on the first sheet glass 1A and the second sheet glass 1B at both outermost edges in the diameter direction of the cross section. That is, the distance between the first glass sheet 1A and the second glass sheet 1B is determined by the cross-sectional diameter of the spacer S1.
  • the spacer S1 Since the spacer S1 is a wire rod, the spacer S1 contacts the first flat glass 1A and the second flat glass 1B over the entire length or almost the entire length of the spacer S1. For this reason, the support reaction force of the spacer S1 acts on the first glass sheet 1A and the second glass sheet 1B in a dispersed manner.
  • the cross-sectional shape of the spacer S1 is not limited to a circle.
  • an elliptical shape or a shape with rounded corners of a polygon may be used.
  • the wire 5 is spirally wound around the first flat glass 1A and temporarily fixed.
  • the temporary fixing material can be easily removed in a heating step described later, for example, using a tape or an adhesive.
  • a fixing low melting point glass 6 is applied to the wire 5 wound around the first plate glass 1A in a dot-like manner. At this time, the fixing low-melting glass 6 is applied to a height not exceeding the height of the wire 5 so that the wire 5 directly contacts the glass sheet 1. I do. The application position is located inside the edge of the first plate glass 1A.
  • the fixing low melting point glass 6 has a melting point of 400 to 600 ° C. This completes the preparation for permanent fixing of the wire 5.
  • the first plate glass 1A is heated by the heating device 7 to a temperature higher than the softening point of the fixing low melting point glass 6. After melting only the low-melting glass 6 for fixing, it is cooled to room temperature, and the wire 5 is fixed with the low-melting glass 6 for fixing.
  • a second glass sheet 1B is overlaid. Further, an outer peripheral sealing material 8 is arranged on the protrusion 4. As the outer peripheral sealing material 8, for example, a low melting point glass having a softening point lower than that of the fixing low melting point glass 6 is used. As the outer peripheral sealing material 8, a fluid material is applied or a solid material is placed. In particular, when applied, the outer peripheral sealing material 8 is sufficiently dried, and then the second glass sheet 1B is laminated.
  • the second plate glass 1B is provided with a suction port 3a serving as the suction section 3 in advance.
  • the first sheet glass 1A and the second sheet glass 1B are heated by the second heating device 7a. After the outer peripheral sealing material 8 is melted, the temperature is returned to room temperature again. Thus, the seal portion 2 is formed by the solidified outer peripheral seal material 8.
  • the glass panel according to the present invention can be formed under a reduced pressure environment as shown below.
  • wire 5 is spirally wound around 1A of first glass sheet. Attach and temporarily fix.
  • the temporary fixing is performed using, for example, a tape or an adhesive so that the temporary fixing can be eliminated in a subsequent heating step.
  • a first glass sheet 1A having an outer peripheral sealing material 8 applied to the protruding portion 4 and a second glass sheet 1B are overlaid, and these are, for example, vacuum furnace 9 Carry inside.
  • the first glass sheet 1A and the second glass sheet 1B are heated under reduced pressure.
  • the outer peripheral sealing material 8 is melted by heating and returned to room temperature again.
  • the seal portion 2 is formed by the solidified outer peripheral seal material 8, and the gap V1 is maintained in a reduced pressure state.
  • a spacer S2 shown in FIGS. 19 and 20 can be used.
  • the spacer S2 is made of, for example, a metal wire having a circular cross section.
  • the spacer S2 has a plurality of convex curved surface portions 10 which bulge out at intervals in the longitudinal direction.
  • the spacer S2 is made of, for example, stainless steel (SUS304, etc.).
  • the convex curved surface portion 10 is formed by etching. That is, irregularities are formed on the surface of the wire by melting the wire between the adjacent convex curved surface portions 10 by etching. As a result, a gap 11 is formed between the spacer S2 and the first plate glass 1A or the like between the adjacent convex curved surface portions 10 along the longitudinal direction of the spacer S2. You.
  • spacer S 2 for example, 10 ⁇ ! It is preferable to use a wire having a diameter of about 10 ⁇ m.
  • each of the convex curved surface portions 10 has a different radius of curvature depending on how the cross section is taken.
  • the first radius of curvature R1 along the longitudinal direction of the spacer S2 is set to be the maximum
  • the second radius of curvature R2 along the radial direction is set to be the minimum. That is, a different cross section including two contact portions T 1 where the convex curved surface portion 10 comes into contact with the first glass sheet 1A and the second glass sheet 1B is assumed.
  • the first radius of curvature R 1 is The closer the plane to the plane, the larger the radius of curvature.
  • These radii of curvature vary continuously between a plane including the first radius of curvature R 1 and a plane including the second radius of curvature R 2.
  • the glass panel according to the second embodiment can be configured as shown in FIGS. 21 and 22.
  • a method in which a metal is intermittently applied along the longitudinal direction of the wire 5 or a metal thin film or the like is attached by sputtering can be used. Further, a metal film can be attached by spraying or a metal can be deposited. By these methods, a convex curved surface portion 10 having a configuration in which the length of the wire 5 along the longitudinal direction is longer than the length of the wire 5 along the radial direction is formed.
  • the wire 5 can be made of various stainless steels (such as SUS304) as described above.
  • the first radius of curvature of the convex curved surface portion 10 may be minimized, and the second radius of curvature may be maximized. Also in this case, it is preferable to continuously change the radius of curvature between the plane including the first radius of curvature R1 and the plane including the second radius of curvature R2.
  • the convex curved surface portion 10 may be formed by partially extending a portion of the wire rod that is spaced apart in the longitudinal direction to form a small-diameter portion. it can.
  • the shape and the interval of the convex curved surface portion 10 can be appropriately set according to the interval between the plate glasses necessary to obtain a desired heat insulating effect.
  • FIGS. 23 to 26 show a glass panel according to the third embodiment.
  • the spacer S3 used in this embodiment is formed in a coil shape by spirally winding the wire 5 over its entire length.
  • a metal wire having a circular cross section can be used.
  • the metal for example, stainless steel such as SUS304 can be used.
  • the diameter of the wire 5 is, for example, 10 ⁇ ! ⁇ 100 ⁇ m is preferred.
  • the maximum diameter d of the wire 5 formed in a coil shape is preferably, for example, 20 ⁇ m to 200 ⁇ m.
  • the first sheet glass 1A and the second sheet glass 1B and the wire 5 make a point-like contact at the contact portion T1.
  • a gap 11 is formed between the wires 5 adjacent to each other in the longitudinal direction of the spacer S3.
  • spacer S3 according to the third embodiment may be configured as shown in FIG.
  • the wire rod 5 is partially spirally wound at a position separated by a predetermined distance to form the spacer S3.
  • the wire 5 is made of stainless steel such as SUS304 having a circular cross section with a diameter of about 10 ⁇ .
  • the maximum diameter d of the spirally wound portion 12 is about 40 ⁇ .
  • Other configurations are the same as those shown in FIG.
  • spacer S3 according to the third embodiment may be the one shown in FIG.
  • the wire S 5 is spirally wound around the outer peripheral surface of the columnar core material 13 to form the spacer S 3.
  • stainless steel such as SUS304 having a circular cross section with a diameter of about 10 ⁇ m is used.
  • the diameter of the core 11 is about 20 ⁇ m.
  • the spacer S3 according to the third embodiment is not limited to a spirally wound wire having a circular cross section.
  • a wire having a polygonal cross section may be spirally wound.
  • a hollow wire rod may be spirally wound.
  • the diameter of the wire 5 and the maximum diameter of the spacer S3 can be appropriately set.
  • knots 14 are formed at predetermined intervals.
  • Each of the spacers S4 is configured using a wire 5 having a circular cross-sectional shape.
  • the wire 5 is made of, for example, stainless steel such as SUS304.
  • the diameter of the wire 5 is preferably, for example, about 100 to 100 m.
  • the knot 14 is formed, for example, as shown in FIG. 27 by passing through the single loop formed by the wire 5. Further, as shown in FIG. 29, a part of the wire 5 is pinched in a U-shape to form a loop at the portion, and the U-shaped part is formed inside the loop. It may be formed by inserting the part 14a. In particular, when forming the knot 14 in FIG. 29, the knot 14 can be easily formed at any position of the spacer S4.
  • a ring formed by the spacer S4 and a massive knot 14 formed through the spacer S4 inside the ring is particularly described. It shall be defined as "tied together". According to these knots 14, a portion where the baser S4 overlaps inevitably occurs, so that the knot 14 having a thickness at least twice the diameter of the baser S4 can be formed. In particular, when forming the knot 14 of FIG. 29, the knot 14 is strongly pulled so that the knot 14 is in the state shown in FIGS. 29 and 30. They are even more overlapped and clumpy. Therefore, for example, it is possible to form the knot 14 having a thickness about three times or more than the diameter of the spacer S4.
  • each part of the knot 14 facing the first glass plate 1A and the second glass plate 1B is the first glass plate 1A, the second glass plate 1B.
  • a gap 11 is formed between the spacer S4 and the two glass plates between the contact portions T1 adjacent to each other in the longitudinal direction of the spacer S4.
  • the spacer S4 and the two glass sheets come into contact only with the knot 14 concerned. Therefore, the contact area between the spacer S4 and both glass sheets can be made extremely small. In this case, the contact thermal resistance between the spacer S4 and both glass sheets is increased, and the heat insulating effect can be enhanced.
  • the spacer S4 and the two glass sheets make substantially point contact in this way, stress may concentrate on a portion of the two glass sheets that abuts on the knot 14.
  • the interval between the knots 14 can be freely set, so that the degree of bending of the two glass sheets or the concentration of the stress applied to both the glass sheets from one knot 14 can be reduced. It is easy to arbitrarily set the interval between the knots 14 so that the degree and the like are appropriate. Therefore, cracking and breakage of the glass panel can be effectively prevented.
  • this configuration only the portion of the knot 14 contacts the both glass sheets, and the portion of the spacer S4 other than the knot 14 is separated from the both glass sheets.
  • the air in the gap portion VI can easily conduct from one side of the spacer S4 to the other side along the surface direction of both glass sheets regardless of the presence of the spacer S4. Therefore, even when a plurality of spacers S4 are provided in parallel in the gap V1, the air existing in the gap V1 can be easily exhausted.
  • the knot 14 has the advantage that the knot 14 does not have a spreading area and has an area that is hardly conspicuous in appearance. Therefore, even if the knot 14 is pressed by the first glass sheet 1A and the second glass sheet 1B, the knot 14 is not easily deformed, so that the function as the spacer S4 is maintained for a long time. You can also get the advantage.
  • the glass panel according to the fourth embodiment can also be configured as shown in FIGS. 31 to 33.
  • the knot 14 may be formed by twisting the wire material Svazer S4.
  • the wire material Svazer S4 for example, the same stainless steel as described above is used. In this case, it is necessary that the wire 5 can be bent and deformed and that the shape in the twisted state be maintained well. If the twisted portion is easily recovered, the function as the spacer S4 is lost.
  • a predetermined position of the wire 5 can be hooked by the hook member 15 and the knot 14 can be configured by simply twisting the hook member 15 several times.
  • the S 4 can be efficiently produced.
  • the heat insulating effect of the glass panel GP, the effect of preventing breakage and breakage, the ease of exhausting at the time of decompression, and the like by providing the knot 14 are the same as those of the first embodiment.
  • a string-shaped spacer S5 formed by twisting two wires 5 is used.
  • the wire 5 has a circular cross section, for example, stainless steel such as SUS 3 Constitute.
  • the diameter of the wire 5 is preferably, for example, about 10 ⁇ m to 100 m.
  • the maximum diameter d obtained by twisting the wires 5 is approximately 20 ⁇ m to 200 ⁇ m.
  • These two wires 5 contact the first glass sheet 1A and the second glass sheet 1B at a plurality of contact portions T1 distributed in a scattered manner.
  • the wires 5 contact each other at the contact portions B in a straight line along the longitudinal direction of the spacer S5.
  • a gap 11 is formed between the spacer S5 and both glass sheets.
  • the glass panel according to the fifth embodiment can be configured as shown in FIG.
  • the wire rods 5 are partially twisted at locations separated by a predetermined distance in their longitudinal direction to form a spacer S5.
  • the maximum diameter d of the twisted portion 16 is, for example, about 20 ⁇ m to 200 ⁇ m.
  • the portions of the two wires 5 of the twisted portion 16 facing the first glass sheet 1A and the second glass sheet 1B of the two wire rods 5 are point-shaped with respect to the plate surfaces of the first glass sheet 1A and the second glass sheet 1B.
  • the contact portion T1 is formed at the contact portion T1.
  • the spacer S5 according to the fifth embodiment can also be configured by burning three or more wire rods 5 together.
  • a plurality of stranded wires obtained by joining a large number of thin wires 5 having a diameter of about 4 ⁇ m can be further twisted to form the spacer S5.
  • the wire 5 to be used is not limited to the one having a circular cross-sectional shape.
  • a wire 5 having a polygonal cross-section can be used.
  • the glass panel according to the sixth embodiment can be configured as shown in FIGS. 37 to 42.
  • a spacer S 6 composed of a braid K 1 is used.
  • the braid K 1 refers to a string formed by combining the wires 5, but here, the range is interpreted to be a little narrower. Shall not be included. That is, the braid K1 here refers to a string having a portion woven into a predetermined shape using at least the wire 5.
  • the braid K 1 includes an inner portion 17 composed of at least one core wire 5 a and a tubular braided member for holding the upper portion 17. And an outer portion 18 composed of
  • the core wires 5a may be simply bundled along the longitudinal direction X1, or the individual core wires 5a may loosely compete with each other. It may be combined.
  • the outer portion 18 is formed, for example, by knitting a wire rod 57 a to form a tubular member, and wrapping the inner portion 17 in the tubular member.
  • the braid K1 is configured using, for example, a wire 5 having a circular cross section.
  • a wire 5 for example, stainless steel such as SUS304 is used.
  • the diameter of the wire 5 is preferably, for example, about several ⁇ m to 20 ⁇ m.
  • All parts of the braid K1 may be composed of a wire 5 made of one type of material, or a mixture of wires 5 made of a plurality of types of materials.
  • the inner portion 17 is made of stainless steel or carbon fiber having a high tensile strength, the tensile strength of the entire braid K1 can be increased. This reduces the risk that the braid K1 will be cut during the formation of the glass panel GP, thereby improving the production efficiency of the glass panel.
  • the outer portion 18 is made of a carbon fiber or the like having low thermal conductivity, heat conduction between the braid K 1 and both glass sheets is suppressed, so that a glass panel GP having a high heat insulating effect can be obtained. it can.
  • the spacer S 6 When the braid K 1 composed of the inner part 17 and the outer part 18 is used as the spacer S 6, at least the outer part 18 is wound around the inner part 17, so that at least Three wires 5 overlap. Therefore, the spacer S6 having at least three times the thickness of the wire 5 or the like can be easily obtained.
  • the braid K 1 is provided in a plurality with respect to the first flat glass 1 A and the second flat glass 1 B. Touch at a point. This contact point is referred to as a contact portion T1.
  • the contact portion T1 is formed intermittently along the longitudinal direction X1 of the spacer S6.
  • a gap 11 is formed between the spacer S6 and both glass sheets between the contact portions T1 adjacent to each other along the longitudinal direction X1 of the base S6.
  • the spacer S 6 is formed of the braid K 1, the spacer S 6 and both glass sheets contact only at the contact portion T 1.
  • the contact area with the sheet glass can be made extremely small. In this case, the contact thermal resistance between the spacer S6 and the two sheets of glass is increased, and the heat insulating effect can be enhanced.
  • the air in the gap portion VI can easily conduct from one side of the spacer S6 to the other side along the surface direction of the both glass sheets regardless of the presence of the spacer S6. Therefore, even when a plurality of spacers S6 are arranged in parallel in the gap V1, the air existing in the gap V1 can be easily exhausted.
  • the spacer S6 is composed of the braid K1
  • the braid K1 is generally hard to twist and has good linearity. Therefore, when the braid K1 is disposed between the first glass sheet 1A and the second glass sheet 1B, there is also obtained an advantage that labor for correcting bending can be simplified.
  • a spacer S6 formed by combining a plurality of braids K1 can be used.
  • the interval between the contact portions T1 that abut on the sheet glass 1 in the direction along the longitudinal direction X1 of the spacer S6 is wider than in the above-described embodiment, and is adjacent in the same direction.
  • the distance between the sheet glass 1 and the spacer S 6 becomes wider. Therefore, in the gap portion VI, it is easy to conduct air from one side of the spacer S6 to the other side along the surface direction of both the glass sheets. For this reason, Even when a plurality of spacers S6 are arranged in parallel, it is easy to exhaust the air present in the gap V1.
  • FIG. 40 it is also possible to use a spacer S6 composed of only the outer portion 18 in which the wire 5 is braided in a cylindrical shape. Also in this case, good heat insulating performance can be exhibited, and the work of reducing the pressure in the gap V1 can be easily performed. Since the spacer S6 shown in FIGS. 39 and 40 has a certain degree of elasticity, the concentration of stress on both glass sheets can be moderately moderated.
  • the spacer S6 can be constituted by a string member H1 in which the wire 5 is woven.
  • one wire 5 is sequentially knitted to freely form a spreader S6 having a shape having a planar spread or a three-dimensional shape like a substantially rod shape. be able to.
  • the thickness of these flat or three-dimensional braided portions can be freely set depending on the degree of braiding. Even when the space between the voids V1 to be formed is predetermined, it is possible to easily form a braided portion having a predetermined thickness by using a wire 5 sufficiently thinner than the space. .
  • such a braided portion may be intermittently provided along the longitudinal direction X1 of the spacer S6, so that the gap between the both glass sheets and the spacer S6 is securely formed. Can be formed.
  • the spacer S6 it is possible to efficiently form the spacer S6 without the need to combine a plurality of wires 5 and the like. Further, since the interval between the voids V 1 can be set arbitrarily, the decompression work is also easy. Furthermore, stress concentration acting on both glass sheets can be reduced, thereby preventing breakage of the glass panel and exhibiting excellent heat insulating properties.
  • the glass panel according to the seventh embodiment can be configured using a spacer S7 shown in FIGS. 43 to 50.
  • the spacer S 7 is configured by connecting a plurality of spacer main bodies S 7 a with a wire 5.
  • the wire 5 can be made of various metals.
  • the metal for example, stainless steel such as SUS304 can be used.
  • the diameter of this wire Is preferably about 10 ⁇ ⁇ 1 ⁇ m.
  • the sensor body S7a of the present embodiment is configured, for example, as shown in FIGS. 43 and 44.
  • the peripheral surface of the wire 5 is subjected to plating at intervals in the longitudinal direction to increase the diameter, and the large diameter portion is used as the spacer body S7a. Therefore, the spacer main bodies S 7 a adjacent in the longitudinal direction are connected to each other at the center in the radial direction at a distance from each other by the small-diameter wire rod 5. Tied.
  • the spacer body S7a may be formed by attaching a metal thin film or the like to the peripheral surface of the wire 5 by sputtering at an interval in the longitudinal direction. Also, a metal film may be attached to the wire 5 by thermal spraying. Furthermore, the spacer body
  • Etching may be performed on a metal wire having a diameter required as S7a at a position spaced apart in the longitudinal direction to form a small-diameter portion corresponding to the wire 5.
  • an outer peripheral surface 19 is cylindrical and its diameter d2 is about 25 ⁇ m.
  • a pillar-shaped member can be used.
  • the first sheet glass 1A and the second sheet glass 1B and the outer peripheral surface 19 are in linear contact with each other at the contact portion T1 along the longitudinal direction of the spacer main body S7a.
  • the spacer S7 of the glass panel according to the seventh embodiment can be configured using the spacer body S7a shown in FIGS. 45 and 46.
  • a ridge portion 20 that is continuous in the circumferential direction with respect to the axis of the spacer body S7a is provided on the cylindrical outer peripheral surface 19.
  • a plurality of the ridge portions 20 are provided along the longitudinal direction of the spacer body S7a.
  • the ridge 20 has a triangular ring shape in cross section.
  • the ridges 20 adjacent in the longitudinal direction are integrally formed concentrically.
  • the protruding height of each protruding portion 20 with respect to the outer peripheral surface 19 is constant. Therefore, in one spacer main body S7a, the spacer main body S7a contacts the first flat glass 1A or the second flat glass 1B with a plurality of contacts along the longitudinal direction. A point contact is made at part T1.
  • the ridge 20 has a semi-circular cross section instead of a triangular cross section. It may be. Further, each of the ridges 20 may be formed at a distance from each other in the longitudinal direction of the spacer body S7a.
  • the glass-panel spacer S7 according to the seventh embodiment is shown in FIG. 47 and FIG.
  • the spacer main body S7a one having a spiral ridge 20 on the cylindrical outer peripheral surface 19 is used.
  • the maximum diameter d1 of the ridge 20 is approximately
  • the cross-sectional shape of the ridge 20 is also substantially triangular.
  • the protruding height of the ridge 2 ° with respect to the outer peripheral surface 19 is constant. Therefore, the protruding ridge portion 20 also contacts the first flat glass 1A or the second flat glass 1B in a point-like manner at the plurality of contact portions T1 along the longitudinal direction of the spacer body S7a. I do.
  • the spiral ridge 20 may have a semicircular cross section.
  • the pitch of the spiral can be changed to arbitrarily set the interval between the adjacent contact portions T1.
  • the spacer S7 of the glass panel according to the seventh embodiment is shown in FIG. 49 and FIG.
  • the protrusion 21 has a substantially conical shape and is formed integrally with the spacer body S7a.
  • the maximum diameter d1 of the spacer body S7a is about 25 ⁇ m.
  • the protrusion height of the protrusion 21 with respect to the outer peripheral surface 19 is substantially constant.
  • the tips of the projections 21 are point-like at a plurality of contact portions T1 along the longitudinal direction of the spacer main body S7a.
  • the protrusion 21 may be formed in a semicircular cross-sectional shape. (Eighth embodiment)
  • the glass panel according to the present invention can be configured using the spacer described in the eighth embodiment.
  • FIGS. 51 to 54 show the spacer according to the eighth embodiment.
  • the spacer according to the present embodiment can be configured, for example, as shown in FIGS. 51 and 52.
  • the spacer S 8 is formed by connecting a plurality of engagement pieces 22.
  • the engagement piece member 22 is formed of, for example, an oval annular body 22a.
  • a part of the annular body 22a functions as an engagement portion for connecting adjacent annular bodies 22a.
  • Adjacent cyclic bodies 22a are connected in a chain.
  • Each of the annular members 22a is made of a metal wire or the like.
  • the cross-sectional shape of the wire can be circular or substantially circular.
  • the metal for example, stainless steel such as SUS304 is used.
  • the spacers are arranged between the first sheet glass 1A and the second sheet glass 1B, for example, while being juxtaposed at an interval of 3 Om m.
  • FIG. 52 shows a side cross-sectional view of the annular bodies 22a engaging each other. Since the spacer S8 is in a chain shape, the adjacent cyclic members 22a are arranged in an intersecting state. Each of the annular bodies 22a is in contact with each of the first glass sheet 1A and the second glass sheet 1B at a single contact point T1. That is, in the case of the spacer S8 having this configuration, the spacer S8 and the two glass plates intermittently contact each other along the longitudinal direction of the spacer S8. The supporting reaction force acting on both glass sheets can be dispersed. On the other hand, as shown in FIG. 52, the annular bodies 22a connected to each other are in an overlapping state.
  • the distance between the first glass sheet 1A and the second glass sheet 1B can be maintained at about twice the diameter of the wire constituting the annular body 22a.
  • a gap 11 is formed between the first plate glass 1A and the second plate glass 1B and the spacer S8. Therefore, the suction resistance at the time of reducing the pressure in the gap V1 can be reduced.
  • the glass panel according to the eighth embodiment can be configured using the spacer shown in FIG.
  • the engaging piece member 22 a linear or rod-shaped first main body 25 provided with an annular second main body 26 at both ends thereof is used.
  • the adjacent engaging piece members 22 are connected by engaging the second main bodies 26 with each other.
  • the second main bodies 26 provided at both ends are provided so as to be in the same plane with each other or in different planes having a predetermined angle. Is preferred. That is, when a spacer is arranged between the first glass sheet 1A and the second glass sheet 1B, as shown in FIG. 52, the second bodies 26 engaged with each other are in contact with each other. All the second bodies 26 are in contact with the first flat glass 1A and the second flat glass The engaging piece member 22 is configured so as to surely come into contact with 1B.
  • the distance between the contact portions T1 can be appropriately set by appropriately setting the length of the first main body 25.
  • the length of the first main body 25 may be set within an appropriate range while considering the above conditions.
  • the glass panel according to the eighth embodiment can also be configured using the spacer shown in FIG.
  • the engaging piece member 22 is formed by providing the hook-shaped portions 28 at both ends of the rod-shaped main body 27.
  • the hook-shaped portion 28 can be formed by, for example, bending both end portions of the rod-shaped main body 27 by approximately 180 degrees. A part of these hook-shaped portions 28 becomes the engaging portions 23, and the hook-shaped portions 28 are engaged and connected to each other to form the spacer S8.
  • the engagement piece members 22 can be arranged while being engaged and connected, so that the spacer S8 of an arbitrary length is configured. can do.
  • the respective engaging piece members 22 are transported in a separated state until they are placed on the first sheet glass 1A or the like, so that the transporting itself is easy.
  • the individual engaging piece members 22 are connected in advance, there is a possibility that some external force may be applied during the transportation and the engaging portion 23 may be deformed. There may be inconveniences such as the inability to arrange the spacers S8 in a straight line, and the inability of any of the engaging pieces 22 to evenly contact both glass sheets.
  • the engagement portions 23 and the like are less likely to be deformed, and when the engagement pieces 22 are connected to each other, they can be arranged more linearly.
  • a first wire 5c and a second wire 5d are overlapped in different directions to form a spacer S9.
  • the first wires 5c and the second wires 5d are arranged in parallel and at equal intervals, respectively.
  • the first wire rod 5c and the second wire rod 5d are different from each other only in the arrangement direction, and both are constituted by the wire rods 5 made of the same material.
  • the wire 5 is made of, for example, a metal wire having a circular cross section or a substantially circular cross section. The diameter is preferably about 24 ⁇ .
  • As the metal stainless steel such as SUS304 is used.
  • the first wire 5c and the second wire 5d are bonded to each other at an intersection 29 with an adhesive.
  • the glass panel using the spacer S9 includes a first sheet glass 1A in which a plurality of first wires 5c are spirally wound, and a second glass in which a plurality of second wires 5d are spirally wound. It is formed by stacking the plate glass 1B. The first wire 5c and the second wire 5d are fixed to the first glass sheet 1A and the second glass sheet 1B in the same manner as shown in FIG.
  • the spacers according to the ninth embodiment include a plurality of first wire rods 5 c and a plurality of second wire rods 5, similarly to a wire mesh for sieving. d may be interwoven.
  • the vertical relationship between the first wire 5c and the second wire 5d that cross each other at the intersections 29 adjacent to each other is made different.
  • the spacer S9 of this configuration comes into contact with both glass sheets only near the intersection 29. Accordingly, the contact area between the spacer S9 and the two glass sheets becomes small, and the heat transfer between the first glass sheet 1A and the second glass sheet 1B is suppressed, and a glass panel having a high heat insulating effect is obtained. be able to.
  • the spacer S9 comes into contact with both the glass sheets at a plurality of points, so that the supporting reaction force acting on the both glass sheets from the spacer S9 can be dispersed. This makes it possible to obtain a glass panel that is less likely to crack.
  • the spacer S 9 is a general fan.
  • a wire 5 which is oriented in one direction may be entangled at predetermined intervals to form a net. This can be formed by horizontally moving the spirally formed wires 5 by engaging them next to each other.
  • the wires 5 may be twisted together at the places where the wires 5 are entangled. With this configuration, since the adjacent wires 5 are securely connected to each other, the handling is facilitated by integrating the sensor S9.
  • the controller S9 according to the ninth embodiment has a first wire 5c and a second wire 5d connected at a crossing 29 by a knot 30, as shown in FIG. Well, hi.
  • the third wire 5e may be used for the connection, or one of the first wire 5c and the second wire 5d may be connected to the other.
  • the first wire 5c and the second wire 5d may be connected to each other.
  • first wire 5c and the second wire 5d may be joined at the intersection 29 using an adhesive or the like.
  • a structure in which adjacent wires 5 are connected at predetermined intervals without intersecting the wires 5 may be expanded in a net shape. Also in this case, a spacer S9 as shown in FIG. 61 can be formed.
  • the spacer S9 according to the ninth embodiment may be configured by arranging continuous wires 5 in a reciprocating manner at intervals.
  • the wires 5 arranged in one direction and the wires 5 arranged in the other direction do not have to be continuous.
  • the spacer S9 according to the ninth embodiment may be formed by knitting the wire 5 into a planar knit.
  • Such a spacer formed of a flat knitted fabric has flexibility. Therefore, it is easy to spread both glass sheets on the sheet surface.
  • the wire 5 can be knitted in any manner, and as shown in FIGS. 66 and 67, can be knitted with a change in stitching. As a result, a pattern can be given to the glass panel. Therefore, even if the appearance of the spacer S9 is likely to impair the aesthetic appearance, the appearance of the spacer S9 can be avoided by forming a pattern on the spacer S9.
  • the glass panel of the present invention can be used in a wide variety of applications, for example, for construction use, for vehicles (window glass for automobiles, window glass for railway vehicles, window glass for ships), equipment elements It can be used for applications (surface glass of plasma displays, doors and walls of refrigerators, doors and walls of heat insulators), etc.
  • the first sheet glass 1A and the second sheet glass 1B are not limited to the sheet glass having a thickness of 3 mm described in the above embodiment, and may be sheet glasses having other thicknesses.
  • the type of glass can be arbitrarily selected.
  • template glass ground glass (glass with a function of diffusing light by surface treatment), netted glass or tempered glass, heat ray absorption, ultraviolet absorption It may be a sheet glass provided with a function such as heat ray reflection, or a combination thereof.
  • composition of the glass, and Seo Ichida glass (Seo one da lime Shirikagara scan), or borosilicate glass, or aluminosilicate glass, a variety of crystallized glass Moyore, 0
  • the first glass sheet 1A and the second glass sheet 1B are not limited to those having different lengths and widths, and those having the same dimensions are used. It may be.
  • the two glass sheets may be overlapped so that the edges are aligned.
  • a glass panel may be formed by combining the first sheet glass 1A and the second sheet glass 1B having different thickness dimensions.
  • the spacer is not limited to the stainless steel spacer described in the above embodiment.For example, Inconel 718 and other metals and quartz glass. Ceramics or the like may be used. In short, any material may be used as long as it is not easily deformed so that the two sheets of glass do not come into contact with each other under an external force.
  • the spacer diameter, installation interval dimensions, and arrangement are not limited to those in the previous embodiment.
  • the strength, thickness, bending characteristics, and gap of the first sheet glass 1A, etc. It can be set appropriately according to the degree of pressure reduction of the section.
  • the spacer used in the glass panel of the present invention has a hollow inside. May be

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

Panneau de verre dans lequel des séparateurs (S1) sont placé entre des premier (1A) et second (1B) panneaux de verre plats, un élément d'étanchéité (2) étant prévu sur la totalité des bord périphériques extérieurs des premier et second panneaux de verre plats (1A, 1B), l'espace entre lesdits panneaux plats (1A) et (1B) étant fermé sous vide. Les espaceurs (S1) confèrent une isolation thermique excellente, une résistance à la fracture et une transparence au panneau de verre placé le long des surfaces des feuilles de verre des premier (1A) et second (1B) panneaux plats.
PCT/JP1999/001339 1998-03-20 1999-03-17 Panneau de verre WO1999048830A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019997010680A KR20010012719A (ko) 1998-03-20 1999-03-17 유리패널
EP99909214A EP0983974A4 (fr) 1998-03-20 1999-03-17 Panneau de verre
CA002290407A CA2290407A1 (fr) 1998-03-20 1999-03-17 Panneau de verre

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
JP10/71703 1998-03-20
JP10071703A JPH11270242A (ja) 1998-03-20 1998-03-20 複層ガラス
JP10113232A JPH11302043A (ja) 1998-04-23 1998-04-23 ガラスパネル
JP10/113232 1998-04-23
JP10115031A JPH11310437A (ja) 1998-04-24 1998-04-24 ガラスパネル
JP10/115030 1998-04-24
JP10115032A JPH11310438A (ja) 1998-04-24 1998-04-24 ガラスパネル
JP10115030A JPH11310436A (ja) 1998-04-24 1998-04-24 ガラスパネル
JP10/115032 1998-04-24
JP10/115031 1998-04-24
JP10120595A JPH11311068A (ja) 1998-04-30 1998-04-30 ガラスパネル
JP10120594A JPH11311067A (ja) 1998-04-30 1998-04-30 ガラスパネル
JP10/120594 1998-04-30
JP10/120595 1998-04-30
JP10138518A JPH11324510A (ja) 1998-05-20 1998-05-20 ガラスパネル
JP10/138518 1998-05-20
JP10/143992 1998-05-26
JP10143992A JPH11335143A (ja) 1998-05-26 1998-05-26 ガラスパネル

Publications (1)

Publication Number Publication Date
WO1999048830A1 true WO1999048830A1 (fr) 1999-09-30

Family

ID=27577153

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/001339 WO1999048830A1 (fr) 1998-03-20 1999-03-17 Panneau de verre

Country Status (5)

Country Link
EP (1) EP0983974A4 (fr)
KR (1) KR20010012719A (fr)
CN (1) CN1256684A (fr)
CA (1) CA2290407A1 (fr)
WO (1) WO1999048830A1 (fr)

Cited By (2)

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WO2001029357A1 (fr) * 1999-10-21 2001-04-26 Guardian Industries Corporation Fenetre a verres d'isolation sous vide comprenant des dispositifs d'ecartement places dans le joint
WO2001036774A1 (fr) * 1999-11-16 2001-05-25 Guardian Industries Corporation Unite de fenetre a vitre isolante a vide avec des espaceurs en fibres

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WO2010083476A2 (fr) 2009-01-15 2010-07-22 Eversealed Windows, Inc Joint de bordure souple pour unité de vitrage pour isolation sous vide
US8512830B2 (en) 2009-01-15 2013-08-20 Eversealed Windows, Inc. Filament-strung stand-off elements for maintaining pane separation in vacuum insulating glazing units
FR2951715A1 (fr) * 2009-10-22 2011-04-29 Saint Gobain Espaceur en verre trempe
US8950162B2 (en) 2010-06-02 2015-02-10 Eversealed Windows, Inc. Multi-pane glass unit having seal with adhesive and hermetic coating layer
US8492788B2 (en) * 2010-10-08 2013-07-23 Guardian Industries Corp. Insulating glass (IG) or vacuum insulating glass (VIG) unit including light source, and/or methods of making the same
US8573804B2 (en) 2010-10-08 2013-11-05 Guardian Industries Corp. Light source, device including light source, and/or methods of making the same
US9293653B2 (en) 2010-10-08 2016-03-22 Guardian Industries Corp. Light source with light scattering features, device including light source with light scattering features, and/or methods of making the same
US8357553B2 (en) 2010-10-08 2013-01-22 Guardian Industries Corp. Light source with hybrid coating, device including light source with hybrid coating, and/or methods of making the same
US9328512B2 (en) 2011-05-05 2016-05-03 Eversealed Windows, Inc. Method and apparatus for an insulating glazing unit and compliant seal for an insulating glazing unit
CA2958414C (fr) 2013-10-18 2021-11-16 Eversealed Windows, Inc. Ensembles de joint de bord pour unites de verre isolantes (igu) hermetiques et unites de verre isolantes sous vide (vigu)
CN109829203B (zh) * 2019-01-07 2020-11-24 重庆大学 一种建筑空间膜结构中织物基材的生产方法
WO2021182099A1 (fr) * 2020-03-13 2021-09-16 日本板硝子株式会社 Panneau de verre multicouche sous vide

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JPS50156525A (fr) * 1974-06-10 1975-12-17
JPH09124347A (ja) * 1995-10-30 1997-05-13 Affinity Kk 真空パネルおよびそれを使用した窓
JPH10297944A (ja) * 1997-04-24 1998-11-10 Central Glass Co Ltd 複層ガラスパネル
JPH1192181A (ja) * 1997-09-19 1999-04-06 Kobayashi Glass Kenzai:Kk 減圧複層ガラスおよびその製造方法

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JPS50156525A (fr) * 1974-06-10 1975-12-17
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JPH10297944A (ja) * 1997-04-24 1998-11-10 Central Glass Co Ltd 複層ガラスパネル
JPH1192181A (ja) * 1997-09-19 1999-04-06 Kobayashi Glass Kenzai:Kk 減圧複層ガラスおよびその製造方法

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
US6291036B1 (en) 1999-05-03 2001-09-18 Guardian Industries Corporation Vacuum IG window unit with spacers in seal
WO2001029357A1 (fr) * 1999-10-21 2001-04-26 Guardian Industries Corporation Fenetre a verres d'isolation sous vide comprenant des dispositifs d'ecartement places dans le joint
WO2001036774A1 (fr) * 1999-11-16 2001-05-25 Guardian Industries Corporation Unite de fenetre a vitre isolante a vide avec des espaceurs en fibres
US6436492B1 (en) 1999-11-16 2002-08-20 Guardian Industries Corp. Vacuum IG window unit with fiber spacers

Also Published As

Publication number Publication date
KR20010012719A (ko) 2001-02-26
CA2290407A1 (fr) 1999-09-30
EP0983974A1 (fr) 2000-03-08
EP0983974A4 (fr) 2001-01-03
CN1256684A (zh) 2000-06-14

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