WO2001030717A1 - Verre a glace resistant a la chaleur - Google Patents

Verre a glace resistant a la chaleur Download PDF

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Publication number
WO2001030717A1
WO2001030717A1 PCT/JP2000/007251 JP0007251W WO0130717A1 WO 2001030717 A1 WO2001030717 A1 WO 2001030717A1 JP 0007251 W JP0007251 W JP 0007251W WO 0130717 A1 WO0130717 A1 WO 0130717A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
edge
heat
glass plate
resistant
Prior art date
Application number
PCT/JP2000/007251
Other languages
English (en)
Japanese (ja)
Inventor
Seiji Ikeuchi
Kiminari Sugiura
Masashi Kikuta
Taito Kinoshita
Shigeki Obana
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
Application filed by Nippon Sheet Glass Co., Ltd. filed Critical Nippon Sheet Glass Co., Ltd.
Priority to JP2001533076A priority Critical patent/JP4738688B2/ja
Priority to AU79488/00A priority patent/AU7948800A/en
Priority to KR1020027004634A priority patent/KR20020060197A/ko
Publication of WO2001030717A1 publication Critical patent/WO2001030717A1/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
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/165—Fireproof windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0407—Ornamental plaques, e.g. decorative panels, decorative veneers containing glass elements
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means

Definitions

  • the present invention relates to a heat-resistant plate glass constituted by a glass plate body subjected to a tempering treatment.
  • this type of heat-resistant glass sheet has a decorative part (for example, a part in which a pattern, a pattern, a plain pattern, or the like is formed on the glass plate surface by sandblasting, etching, ceramic printing, or the like). There was no.
  • the mechanical and thermal strength is increased by forming a compressive strain layer on the surface of the glass plate, but by forming a decorative portion on the surface, It was conceived that the surface of the glass sheet was easily disturbed, and it was difficult to apply sufficient strain to the compression-strained layer, and the strength of the sheet glass was reduced. For this reason, conventionally, there was no heat-resistant plate glass provided with a decorative portion.
  • an object of the present invention is to provide a heat-resistant sheet glass having both a strengthening function as a heat-resistant sheet glass and a decorative property. Disclosure of the invention
  • the heat-resistant sheet glass according to the present invention is, as described in claim 1, in a heat-resistant sheet glass constituted by a glass sheet body that has been subjected to a tempering treatment, wherein at least one edge portion of the sheet surface of the glass sheet body is outside. It has a feature in that a decorative portion is provided in the area defined.
  • the glass sheet used for fire doors and windows has a thermal stress generated at the center of the glass sheet by the heat, and tensile stress acts on the edge of the glass sheet supported by the window frame. If the tensile stress exceeds the edge strength of the glass plate, cracking (thermal cracking of the glass plate) occurs, and in order to achieve this, it is desirable that the glass edge strength be particularly high. It is.
  • the edge strength of one edge of the plate surface of the glass plate body is sufficiently ensured (the decorative portion is removed by removing the one edge). If it is provided, the edge of the glass sheet is installed so that its one edge is the upper edge, so that at least the edge strength of the upper edge of the glass plate is high, so that the effect of preventing the heat cracking phenomenon is improved and the fire door or fire protection It is possible to satisfy fire prevention performance as a window. In addition, it is expected that the edge strength of the other edge is maintained at a high level if the decorative portion is provided by removing the other edge as well as providing the decorative portion by removing only one edge. Thus, the effect of preventing the thermal cracking phenomenon on the glass plate is further improved, and high fire prevention performance can be exhibited.
  • a decorative portion is provided in a region where the end green portion (at least one edge portion) is removed, thereby improving the designability of the heat-resistant sheet glass, adding a desired texture, and providing a blindfold. It can be used or used for multiple functions. Therefore, it is possible to provide a heat-resistant glass having both the strengthening function as a heat-resistant glass and the decorativeness.
  • the decorative portion is formed in a region of the plate surface of the glass plate main body from which a whole peripheral portion is removed.
  • the edge strength of the entire circumference of the glass plate is increased, and the effect of preventing the thermal cracking phenomenon is further improved.
  • it will exhibit high fire protection performance.
  • the heat-resistant plate glass of the present invention is characterized in that, as described in claim 3, the glass
  • the lath plate body is characterized in that the ridge is formed smoothly over the entire periphery of the edge.
  • the internal stress generated in the glass sheet tends to concentrate on the edge, especially when the edge of the glass is rough, so the stress tends to concentrate on the valleys and peaks of the irregularities.
  • the degree of strengthening of the glass tends to be low.
  • FIG. 1 is a view showing a cross section of a main part for explaining a mounting state of a heat-resistant plate glass according to the present invention
  • FIG. 2 is a diagram illustrating a method of finishing an edge portion of a heat-resistant plate glass according to the present invention.
  • FIG. 3 is a view for explaining another finishing method
  • FIG. 4 is a front view of the heat-resistant glazing according to the present invention.
  • FIG. 4 and FIG. 5 are cross-sectional views for explaining a mounting state of the heat-resistant glazing according to the present invention, which is different from that shown in FIG. 7 to 11 are front views of a heat-resistant glazing according to the present invention, which is different from that shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 shows a fire door 4 in which an edge 2 of a glass sheet 3 which is a preferred embodiment of the heat-resistant glass sheet according to the present invention is fitted to a sash 1.
  • the sash 1 is provided with an annular sash body 5 forming a door frame portion, and a holding portion 6 for holding the glass sheet 3 on the sash body 5 is detachably attached to a frame inner peripheral portion of the sash body 5. It is provided and configured.
  • the sash body 5 and the holding portion 6 are both formed of metal, and are formed in consideration of being able to hold the plate glass 3 even when a fire occurs.
  • the holding portion 6 is constituted by a pair of angle members, and an edge portion of the plate glass 3 is provided between each of the holding portions 6 C
  • the is attached to the sash body 5 is ready to form a gap 7 which can hold 2, in the gap 7, the plate chloroprene Ngomu made setting block having the function of edge protection glass 3 (the sash 1 8), and a holding member 9 for holding the edge 2 of the plate glass 3 and fixing it to the holding portion 6.
  • the holding material 9 is composed of a ceramic rope S1 and a ceramic paper S2, and the sheet glass 3 is positioned between the two holding portions 6, and is packed in the gap 7 between the sheet glass 3 and the holding portion 6.
  • the edge portion 2 is formed so as to be elastically sandwiched and fixed.
  • the holding portion 6 is formed to have a length dimension substantially corresponding to the entire length of the edge portion 2 of the sheet glass 3, and is disposed so as to sandwich the edge portion 2 of the sheet glass 3.
  • the sheet glass 3 can be strongly held and fixed by receiving a pressing force in the holding direction from above, and the glass peripheral portion can be prevented from coming off due to thermal deformation of the sheet glass 3 at the time of fire.
  • the plate glass 3 is arranged so that the margin D of the edge portion into the holding portion 6 is 1 cm.
  • the plate glass 3 is formed by subjecting a soda-lime-based glass plate main body 3A to a heat strengthening process by a manufacturing method that does not use a hanging metal after passing through an edge finishing step and a decorative part forming step described below. It is.
  • the glass plate main body 3A has a first polishing step of polishing the end face into a curved shape protruding outward toward an intermediate portion in the thickness direction (the maximum unevenness of the polished surface is 0.05 mm or less).
  • the boundary portion 3c between the curved edge portion 3a formed on the end face of the glass plate main body 3A and the flat portion 3b on the front and back of the glass plate main body 3A is removed by the first polishing. It is formed by performing a finishing process to process more smoothly than the process (the maximum unevenness of the finished surface is 0.007 mm or less).
  • the first polishing step is performed by a polishing method of a flat cylindrical wheel type polishing method in which polishing is performed using an outer peripheral surface of a cylindrical wheel 10 rotating around an axis.
  • the outer peripheral surface of the cylindrical wheel 10 is formed such that the outer diameter becomes smaller toward the middle in the axial direction, and the cylindrical wheel 10 becomes a portion to be polished.
  • the end surface of the glass plate is polished to a curved shape protruding outward.
  • the outer peripheral surface of the cylindrical wheel 10 is formed in a polished portion finer than # 200.
  • the curved surface portion 3a polished in the first polishing step has a surface with irregularities of about 0.03 mm, and has very fine irregularities. Can be avoided from acting intensively.
  • polishing direction in the first polishing step is set along the longitudinal direction of the end face of the glass sheet, streaks (scratches) due to polishing are also formed along the longitudinal direction of the end face of the glass sheet. This makes it easier to avoid concentration of thermal destructive force acting along the surface of the glass plate body 3A.
  • the finishing step is performed by a polishing method of a buffing type in which polishing is performed using an outer peripheral surface of a polishing belt 11 which is stretched around a biaxial rotation shaft and rotates. is there.
  • This puff polishing is also called the finest finish, and is generally polished with a belt 11 made of sheep skin, and is polished with an aqueous solution of cerium oxide (a very fine-grained abrasive powder).
  • cerium oxide a very fine-grained abrasive powder.
  • the surface roughness can be reduced to 3 to 7> um by applying while polishing on the polished part, and it is possible to make the surface glossy, and the concentration of internal stress on the boundary 3c is less likely to occur. Can be.
  • edge finishing processes first polishing process and finishing process
  • the edges are made smooth over the entire circumference of the glass plate main body 3A, so that the internal stress is less likely to concentrate.
  • edge intensity increment for about 3. that corresponding is confirmed in 9 x 1 0 7 P a (formerly denoted 4 by 0 O kgf / cm 2).
  • a decorative portion 12 is formed on the surface of the glass plate main body 3A by removing a region having a predetermined dimension L from an edge thereof.
  • the decorative portion forming step of providing the decorative portion 12 is performed by performing a sand blast process on the entire surface of the remaining plate surface in a state where a mask process is performed on a region having a predetermined dimension L from the edge.
  • the plate glass 3 can be blinded by the decorative portion 12, for example, though it allows light to pass therethrough, and can be made into a heat-resistant plate glass having high designability.
  • the heat strengthening treatment is performed by heating the glass plate body 3A at a temperature near the glass softening point, and then blowing cooling air to the surface to apply thermal distortion.
  • the glass plate main body 3A is strengthened by about 1.67 ⁇ 10 8 Pa (1700 kgf / cm 2 in the old notation) or more by the heat strengthening treatment.
  • the glass edge portion (3. 9 X 10 7 + 1. 67 X 1 0 8) Pa ( according to the old notation (400 + 1700) kg f / cm 2 ) Can be secured at the same strength as a sheet glass that has been strengthened.
  • the smaller the above-mentioned margin D the smaller the generated thermal stress at the edge of the glass plate in the event of a fire.
  • the marginal dimension D is 1 cm
  • the predetermined dimension L is 0.5 cm, which is 1/2 of the marginal dimension D.
  • the edge strength (surface compression stress) of the glass plate body 3A can be measured by the total reflection stress measurement method.
  • the total reflection stress measurement method a prism having a slightly larger refractive index is placed on the surface of the plate glass to be measured, and a circularly polarized light beam converging at the point to be measured is incident at an angle almost equal to the critical angle for total reflection, and reflected light observation is performed. It is implemented by measuring the amount of shift between the light and dark total reflection boundaries that appear in the telescope's field of view on a scale calibrated with known stress.
  • the first polishing step is not limited to the polishing method using the flat cylindrical wheel-type polishing method described in the above embodiment.
  • a cap wheel (a polishing diamond wheel on a wheel surface) may be used.
  • the finishing step is limited to the puff polishing described in the previous embodiment. Instead, for example, it may be performed by local heating and melting of the edge of the glass plate body 3A, or may be performed by chemical melting.
  • the attachment of the glass plate body 3A and the sash body 5 is not limited to the above embodiment.
  • the metal elastic holding material 9a that makes surface contact radiant heat to the sash body 5 can be efficiently transmitted from the elastic holding material 9a to the peripheral edge of the glass plate body 3A. This makes it possible to reduce the temperature difference between the central part and the peripheral part of the sheet glass, thereby making it harder to break.
  • a metal elastic holding material 9b fitted to the pressing edge 5a of the sash body 5 a non-combustible plate (for example, (A car board).
  • the decorative portion 12 is not limited to the plate surface of the glass plate main body 3A, and is not limited to a portion formed in a region excluding the entire periphery.
  • the glass plate body 3A may be formed in a region where one edge is removed from the plate surface.
  • a non-decorative edge portion since the edge strength of the edge portion on which the decorative portion is not formed (referred to as a non-decorative edge portion) is increased, when determining the installation posture of the glass plate 3, thermal stress is reduced. It is effective in terms of fire prevention measures if the non-decorative edge is installed at a position where it is likely to be large.
  • the filter forming operation is reduced. This makes it possible to form a sheet glass more efficiently.
  • the non-decorative edge is formed on the long side because thermal stress easily acts on the long side. You may use it. In short, it is only necessary that the decorative portion 12 be provided at least in an area of the plate surface of the glass plate main body from which one edge is removed.
  • the decorative part 12 is not limited to the one formed by the sand blast processing described in the above embodiment, and may be formed by, for example, an etching processing or a ceramic printing processing. .
  • the decoration itself is not limited to the plain pattern described in the previous embodiment. It may be a picture, a geometric pattern, a pattern, or the like. Further, regarding the arrangement of the decorative portion, in addition to providing the decoration on the entire surface, for example, as shown in FIGS. 9 to 11, a decoration may be provided partially.
  • these decorative portions 12 may be provided on both surfaces in addition to being provided on one surface of the glass plate main body 3A.
  • the heat-resistant glazing according to the present invention is required to have heat-resistant strength, and is desired to have a fireproof door whose surface is desired to be decorated so as to give a texture depending on the use environment or to be used for blindfolding. Suitable for applications such as

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)

Abstract

On décrit un verre à glace résistant à la chaleur qui est constitué d'un corps principal (3A) de verre à glace sur lequel a été appliqué un traitement de renforcement et qui présente conjointement une efficacité renforcée et un caractère décoratif. Une partie d'ornementation (12) est prévue dans la région de la surface du corps principal (3A) du verre à glace sauf sur au moins un bord terminal. Cette partie d'ornementation (12) peut être formée dans la région du corps principal (3A) du verre à glace sauf sur tout son bord périphérique et si le rebord est formé de manière à être lisse sur la totalité du bord terminal du corps principal (3A) du verre à glace, la contrainte thermique produite dans le bord terminal du verre à glace, en cas d'incendie, peut être réduite même si la partie d'ornementation (12) existe.
PCT/JP2000/007251 1999-10-26 2000-10-18 Verre a glace resistant a la chaleur WO2001030717A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001533076A JP4738688B2 (ja) 1999-10-26 2000-10-18 防火用耐熱板ガラス
AU79488/00A AU7948800A (en) 1999-10-26 2000-10-18 Heat-resistant plate glass
KR1020027004634A KR20020060197A (ko) 1999-10-26 2000-10-18 방화용 내열 판유리

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30367199 1999-10-26
JP11/303671 1999-10-26

Publications (1)

Publication Number Publication Date
WO2001030717A1 true WO2001030717A1 (fr) 2001-05-03

Family

ID=17923837

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/007251 WO2001030717A1 (fr) 1999-10-26 2000-10-18 Verre a glace resistant a la chaleur

Country Status (4)

Country Link
JP (1) JP4738688B2 (fr)
KR (1) KR20020060197A (fr)
AU (1) AU7948800A (fr)
WO (1) WO2001030717A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012108103A (ja) * 2010-10-29 2012-06-07 Nippon Electric Glass Co Ltd 放射線遮蔽安全ガラスと放射線遮蔽窓

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547232A (en) * 1978-09-27 1980-04-03 Nippon Sheet Glass Co Ltd Fire-proof window glass plate
JPS58161948A (ja) * 1982-03-15 1983-09-26 Sato Garasuten:Kk 彫刻粒痕模様の焼付着色強化ガラスの製造法
JPS62275041A (ja) * 1986-05-22 1987-11-30 Hard Glass Kogyo Kk 装飾強化ガラスの製造方法
JPS6456342A (en) * 1987-08-26 1989-03-03 Sharp Kk Formation of thermochromic film
JPH0971429A (ja) * 1995-09-08 1997-03-18 Nippon Sheet Glass Co Ltd 熱強化板ガラス

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236039A (ja) * 1985-08-05 1987-02-17 Sumitomo Electric Ind Ltd 光フアイバ線引炉

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547232A (en) * 1978-09-27 1980-04-03 Nippon Sheet Glass Co Ltd Fire-proof window glass plate
JPS58161948A (ja) * 1982-03-15 1983-09-26 Sato Garasuten:Kk 彫刻粒痕模様の焼付着色強化ガラスの製造法
JPS62275041A (ja) * 1986-05-22 1987-11-30 Hard Glass Kogyo Kk 装飾強化ガラスの製造方法
JPS6456342A (en) * 1987-08-26 1989-03-03 Sharp Kk Formation of thermochromic film
JPH0971429A (ja) * 1995-09-08 1997-03-18 Nippon Sheet Glass Co Ltd 熱強化板ガラス

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012108103A (ja) * 2010-10-29 2012-06-07 Nippon Electric Glass Co Ltd 放射線遮蔽安全ガラスと放射線遮蔽窓

Also Published As

Publication number Publication date
AU7948800A (en) 2001-05-08
JP4738688B2 (ja) 2011-08-03
KR20020060197A (ko) 2002-07-16

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