JP2766355B2 - Sheet glass bending and quenching equipment - Google Patents
Sheet glass bending and quenching equipmentInfo
- Publication number
- JP2766355B2 JP2766355B2 JP1316277A JP31627789A JP2766355B2 JP 2766355 B2 JP2766355 B2 JP 2766355B2 JP 1316277 A JP1316277 A JP 1316277A JP 31627789 A JP31627789 A JP 31627789A JP 2766355 B2 JP2766355 B2 JP 2766355B2
- Authority
- JP
- Japan
- Prior art keywords
- mesh
- air
- sheet glass
- glass
- sheet
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は固体接触冷却式の板ガラス曲げ急冷装置に関
する。The present invention relates to a solid contact cooling type sheet glass bending and quenching apparatus.
（従来の技術） 板ガラスを急冷強化する方法として、板ガラスの表面
に冷却風を吹き付ける風冷強化法、板ガラスを液体に浸
漬する液冷強化法、板ガラスを金属板等に接触させて冷
却する固体接触法が知られている。(Prior art) As a method for rapidly cooling and strengthening a sheet glass, a wind-cooling strengthening method in which cooling air is blown onto the surface of the sheet glass, a liquid cooling strengthening method in which the sheet glass is immersed in a liquid, and a solid contact in which the sheet glass is brought into contact with a metal plate and cooled. The law is known.
固体接触法に係る技術には、特公昭62−18488号公
報「ガラス板の強化装置」、特公昭63−43324号公報
「板ガラスの強化方法」などが知られている。As a technique relating to the solid contact method, Japanese Patent Publication No. Sho 62-18488, "A glass sheet strengthening apparatus" and Japanese Patent Publication No. Sho 63-43324, "A method of strengthening a glass sheet" are known.
上記は冷却板を分割したことを特徴とする。冷却板
をガラスに接触した場合、熱膨張により冷却板に反りが
発生するが、冷却板を分割し、かつ背面に断熱材層を介
在させることにより、冷却時の反りを防止するものであ
る。The above is characterized in that the cooling plate is divided. When the cooling plate comes into contact with the glass, the cooling plate is warped due to thermal expansion. However, the cooling plate is divided and a heat insulating material layer is interposed on the back surface to prevent the warping during cooling.
上記は固体接触部材で予備冷却し、風冷装置で本冷
却するものである。In the above, the pre-cooling is performed by the solid contact member and the main cooling is performed by the air cooling device.
（発明が解決しようとする課題） 上記はガラスに冷却板を接触させたときに、強く接
触する部位と弱く接触する部位とが混在するという固体
冷却法が本来的に有する欠点即ち板ガラスを均一に冷却
することはできないという欠点がある。(Problems to be Solved by the Invention) When the cooling plate is brought into contact with the glass, the solid cooling method inherently having a part that strongly contacts and a part that contacts weakly has a drawback inherent in the solid cooling method. It has the disadvantage that it cannot be cooled.
また、上記は冷却を２段階に分けて行うため装置が
大掛りとなり且つ板ガラスの曲げ成形を行う場合には予
備冷却後に搬送する間に板ガラスが変形することがあ
る。Further, since the cooling is performed in two stages, the apparatus becomes large-scale, and when the sheet glass is bent, the sheet glass may be deformed during the transportation after the preliminary cooling.
（課題を解決するための手段） 上記課題を解決すべく本発明は、成形型のワーク接触
面に固体接触部材を設け、軟化点近くまで加熱した板ガ
ラスを曲げるとともに前記固体接触部材に接触させるこ
とにより、板ガラスを急冷強化するようにした板ガラス
の曲げ急冷装置において、 前記固体接触部材は、ベース材と、このベース材に穿
設した溝と、この溝に冷却空気を供給するエアー吐出口
と、溝から空気を排出するエアー吸引口と、これら溝、
エアー吐出口及びエアー吸引口を覆う如くにベース材の
片面に貼りつけた網目状金属シートと、板ガラスに接触
させる部材として前記網目状金属シートに重ねた通気性
表面材とからなり、 前記溝を通過させた空気でベース材、網目状金属シー
トを強制冷却することで前記固体接触部材の温度上昇を
抑え、溝に供給した空気の一部を網目状金属シート及び
表面材を通してリークさせることで板ガラスに直接接触
する表面材の温度上昇を抑える構成にしたことを特徴と
する。(Means for Solving the Problems) In order to solve the above problems, the present invention provides a solid contact member on a work contact surface of a forming die, and bends a sheet glass heated to near a softening point and contacts the solid contact member. Thereby, in the sheet glass bending and quenching apparatus that quenched and strengthens the sheet glass, the solid contact member is a base material, a groove formed in the base material, an air discharge port for supplying cooling air to the groove, Air suction ports for discharging air from the grooves, these grooves,
A mesh-like metal sheet attached to one side of the base material so as to cover the air discharge port and the air suction port, and a gas-permeable surface material superimposed on the mesh-like metal sheet as a member to be brought into contact with the sheet glass; The base material and the mesh-like metal sheet are forcibly cooled by the passed air to suppress a rise in the temperature of the solid contact member, and a part of the air supplied to the groove is leaked through the mesh-like metal sheet and the surface material to form a sheet glass. The structure is characterized in that the temperature rise of the surface material that directly contacts the surface is suppressed.
前記網目状金属シートは100メッシュ〜400メッシュの
範囲の網であり、前記表面材はガラス繊維、セラミック
繊維、カーボン繊維、金属繊維又はアラミド繊維からな
る繊維或いはフェルトであることが望ましい。The mesh-like metal sheet is a mesh in the range of 100 mesh to 400 mesh, and the surface material is desirably a fiber or a felt made of glass fiber, ceramic fiber, carbon fiber, metal fiber, or aramid fiber.
（作用） 溝の開口面を網目状金属シート及び通気性表面材で塞
ぐことで、エアー通路を形成し、このエアー通路に冷却
空気を供給し、暖まった空気を排出することで固体接触
部材の温度上昇を抑える。板ガラスに表面材を接触させ
ることで、板ガラスの熱を表面材及び網目状金属シート
を介してベース材で吸収する。(Operation) An air passage is formed by closing the opening surface of the groove with a mesh-like metal sheet and a gas-permeable surface material, cooling air is supplied to the air passage, and warm air is discharged to form a solid contact member. Suppress temperature rise. By bringing the surface material into contact with the sheet glass, the heat of the sheet glass is absorbed by the base material via the surface material and the mesh-like metal sheet.
エアーを直接吹き付ける風冷法では冷却むらが発生す
る。これに対して、本発明ではエアーで固体接触部材を
冷却し、この固体接触部材で板ガラスを冷却すること、
及び固体接触部材をエアーで満遍なく冷却することが可
能であることから、板ガラスを均一に冷却することがで
きる。In the air cooling method in which air is directly blown, uneven cooling occurs. On the other hand, in the present invention, the solid contact member is cooled by air, and the sheet glass is cooled by the solid contact member,
Further, since the solid contact member can be uniformly cooled with air, the plate glass can be uniformly cooled.
更に、溝に供給した空気の一部を網目状金属シート及
び表面材を通してリークさせることで板ガラスに直接接
触する表面材の温度上昇を抑えることができる。このエ
アーのリークは微量であるため、風冷法の様な冷却むら
が発生する虞れはない。Further, by allowing a part of the air supplied to the groove to leak through the mesh-like metal sheet and the surface material, it is possible to suppress a rise in the temperature of the surface material that directly contacts the sheet glass. Since the leak of the air is very small, there is no fear that uneven cooling such as the air cooling method occurs.
（実施例） 以下に本発明の実施例を添付図面に基づいて説明す
る。(Example) Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.
第１図は本発明に係る板ガラスの曲げ急冷装置の全体
図であり、板ガラスの曲げ急冷装置１は、加熱炉２に隣
接して設けられ、加熱炉２内には板ガラスＧを加熱しつ
つ搬送する炉内搬送ロール３…（…は複数を示す。以下
同様。）を配置し、加熱された板ガラスＧをフラット吸
盤４にて曲げ急冷装置１内に送り込むようにし、曲げ急
冷装置１の下流側には次工程への搬送ロール５…を配置
し、曲げ急冷された板ガラスを吸盤装置６によって曲げ
急冷装置１内から搬送ロール５…上に受け渡す。FIG. 1 is an overall view of a sheet glass bending and quenching apparatus according to the present invention. A sheet glass bending and quenching apparatus 1 is provided adjacent to a heating furnace 2 and conveys the sheet glass G into the heating furnace 2 while heating the sheet glass G. (... denotes a plurality, the same applies hereinafter.) Is arranged, and the heated sheet glass G is fed into the bending and quenching device 1 by the flat suction cup 4, and the downstream side of the bending and quenching device 1. Are placed in the next step, and the sheet glass that has been bent and quenched is transferred from the inside of the bending and quenching device 1 to the transfer rolls 5 by the suction device 6.
曲げ急冷装置１は、成形型としての凸型７及び凹型８
からなり、上方の凸型７はフレーム９に対してシリンダ
ユニット10で昇降自在とし、また、下方の凹型８は床面
に固定する。なお、凹型８は昇降自在としてもよく、ま
たリングモールドと組合わせてもよい。The bending and quenching device 1 includes a convex mold 7 and a concave mold 8 as molding dies.
The upper convex mold 7 can be moved up and down by a cylinder unit 10 with respect to the frame 9, and the lower concave mold 8 is fixed to the floor surface. In addition, the concave mold 8 may be movable up and down, or may be combined with a ring mold.
凸型７及び凹型８のワーク接触面に、固体接触部材1
1,11を設ける。The solid contact member 1 is attached to the work contact surfaces of the convex mold 7 and the concave mold 8.
1,11 are provided.
第２図は本発明に係る固体接触部材の要部斜視図であ
り、第２図の固体接触部材11,11は湾曲しているが、第
２図では説明を容易にするため平板化したもので説明す
る。FIG. 2 is a perspective view of an essential part of the solid contact member according to the present invention. The solid contact members 11, 11 in FIG. 2 are curved, but are flattened in FIG. 2 for easy explanation. Will be described.
固体接触部材11は、ベース材11Aと、このベース材11A
に規則的に穿設した溝12…と、これらの溝12…に冷却空
気を供給するエアー吐出口13…と、溝12…から空気を排
出するエアー吸引口14…と、これら溝12…、エアー吐出
口13…及びエアー吸引口14…を覆う如くにベース材11A
の片面（図では上面）に貼りつけた網目状金属シート15
と、板ガラスに接触させる部材として網目状金属シート
15に重ねた通気性表面材16とからなる。The solid contact member 11 includes a base material 11A and the base material 11A.
Grooves 12 regularly formed in the grooves 12, air discharge ports 13 for supplying cooling air to these grooves 12 ..., air suction ports 14 for discharging air from the grooves 12, ..., these grooves 12, ..., Base material 11A so as to cover air discharge ports 13 and air suction ports 14
Metal sheet 15 pasted on one side (top in the figure)
And a mesh metal sheet as a member to be brought into contact with the sheet glass
It is composed of a gas permeable surface material 16 superimposed on 15.
前記溝12の寸法は、溝幅Ｙを2mm〜15mm、溝深さＺを1
mm〜6mm、溝12と溝12の間の板ガラスに接触する部分の
幅Ｘを0.5mm〜10mmとする。このような寸法にすること
で、板ガラスＧの変形を抑制しつつ均一に冷却すること
ができる。The dimensions of the groove 12 are such that the groove width Y is 2 mm to 15 mm and the groove depth Z is 1
mm to 6 mm, and the width X of the portion between the grooves 12 that contacts the glass sheet is 0.5 mm to 10 mm. With such dimensions, the glass sheet G can be uniformly cooled while suppressing deformation.
エアー吐出口13は、板ガラスに対して傾斜させるとな
およい。It is more preferable that the air discharge port 13 is inclined with respect to the plate glass.
網目状金属シート15は、100〜400メッシュ（１平方イ
ンチの中に含まれる目の数）とするのが好ましい。これ
は、100メッシュ以下では粗い網目となり、目の跡が転
写する虞れがある。また、400メッシュ以上では目が細
か過ぎてエアーの流れが阻害されるからである。The mesh metal sheet 15 preferably has a mesh size of 100 to 400 mesh (the number of meshes included in one square inch). This results in a coarse mesh below 100 mesh, and there is a possibility that the marks of the eyes may be transferred. On the other hand, if the mesh is 400 mesh or more, the eyes are too fine and the flow of air is hindered.
通気性表面材16は、例えば厚みが0.3mm〜0.5mmのガラ
ス繊維、セラミック繊維、カーボン繊維、金属繊維又は
アラミド繊維からなる繊維或いはフェルトである。The breathable surface material 16 is, for example, a fiber or a felt made of glass fiber, ceramic fiber, carbon fiber, metal fiber, or aramid fiber having a thickness of 0.3 mm to 0.5 mm.
以上の構成からなる曲げ急冷装置の作用を次に説明す
る。Next, the operation of the bending and quenching apparatus having the above configuration will be described.
第３図（Ａ）〜（Ｇ）は板ガラスの曲げ急冷工程図で
ある。3 (A) to 3 (G) are views showing a process of bending and quenching a sheet glass.
（Ａ）において、加熱炉２内の板ガラスをフラット吸
盤４で吸着する。In (A), the flat glass in the heating furnace 2 is sucked by a flat suction cup 4.
（Ｂ）において、フラット吸盤４で板ガラスを凸型7,
凹型８間に送り込む。In (B), a flat sucker 4 is used to form a glass sheet into a convex shape 7,
It is fed between the concave molds 8.
（Ｃ）において、板ガラスＧを凹型８に載せ、フラッ
ト吸盤４を戻す。In (C), the plate glass G is placed on the concave mold 8 and the flat suction cup 4 is returned.
（Ｄ）において、凸型７を下げて、板ガラスＧを曲げ
成形する。In (D), the convex 7 is lowered and the sheet glass G is bent.
そして、第２図においてエアーで固体接触部材11を冷
却し、この固体接触部材11で板ガラスを冷却する。固体
接触部材11をエアーで満遍なく冷却することが可能であ
ることから、板ガラスＧを均一に冷却することができ
る。Then, in FIG. 2, the solid contact member 11 is cooled by air, and the sheet glass is cooled by the solid contact member 11. Since the solid contact member 11 can be uniformly cooled with air, the plate glass G can be cooled uniformly.
更に、溝12…に供給した空気の一部を網目状金属シー
ト15及び表面材16を通してリークさせることで板ガラス
に直接接触する表面材16の温度上昇を抑えることができ
る。このエアーのリークは微量であるため、風冷法の様
な冷却むらが発生する虞れはない。Further, by allowing a part of the air supplied to the grooves 12 to leak through the mesh-like metal sheet 15 and the surface material 16, it is possible to suppress a temperature rise of the surface material 16 that directly contacts the sheet glass. Since the leak of the air is very small, there is no fear that uneven cooling such as the air cooling method occurs.
これで、板ガラスＧの曲げ成形と急冷強化が完了す
る。This completes the bending and quenching of the sheet glass G.
第３図（Ｅ）に戻って、凸型７を上げる。 Returning to FIG. 3 (E), the convex mold 7 is raised.
（Ｆ）において、吸着装置６を凸型7,凹型８間に差込
み、板ガラスＧを吸着する。In (F), the suction device 6 is inserted between the convex mold 7 and the concave mold 8 to suck the sheet glass G.
（Ｇ）において、板ガラスＧを搬送ロール５へ受け渡
す。In (G), the sheet glass G is delivered to the transport roll 5.
第４図は本発明に係る固体接触部材の別実施例図であ
り、溝12…を互いに交差するように配列したことを特徴
とする。FIG. 4 is a diagram showing another embodiment of the solid contact member according to the present invention, wherein grooves 12 are arranged so as to cross each other.
第５図は本発明に係る固体接触部材の更なる別実施例
図であり、トング17によって板ガラスＧを鉛直に保ち、
この向きで曲げ成形し且つ急冷するようにしたものであ
る。FIG. 5 is a view showing still another embodiment of the solid contact member according to the present invention.
It is bent in this direction and quenched.
（発明の効果） 以上に述べた通り本発明によれば、エアーで固体接触
部材を冷却し、この固体接触部材で板ガラスを冷却する
こと、及び固体接触部材をエアーで満遍なく冷却するこ
とが可能であることから、板ガラスを均一に冷却するこ
とができる。(Effects of the Invention) As described above, according to the present invention, it is possible to cool a solid contact member with air, cool a sheet glass with the solid contact member, and evenly cool the solid contact member with air. As a result, the glass sheet can be cooled uniformly.
更に、溝に供給した空気の一部を網目状金属シート及
び表面材を通してリークさせることで板ガラスに直接接
触する表面材の温度上昇を抑えることができる。このエ
アーのリークは微量であるため、風冷法の様な冷却むら
が発生する虞れはない。Further, by allowing a part of the air supplied to the groove to leak through the mesh-like metal sheet and the surface material, it is possible to suppress a rise in the temperature of the surface material that directly contacts the sheet glass. Since the leak of the air is very small, there is no fear that uneven cooling such as the air cooling method occurs.
従って、強化度にむらのない強化ガラスを得ることが
できる。Therefore, it is possible to obtain a tempered glass having a uniform tempering degree.
第１図は本発明に係る板ガラスの曲げ急冷装置の全体
図、第２図は本発明に係る固体接触部材の要部斜視図、
第３図（Ａ）〜（Ｇ）は板ガラスの曲げ急冷工程図、第
４図は本発明に係る固体接触部材の別実施例図、第５図
は本発明に係る固体接触部材の更なる別実施例図であ
る。 尚、図中、１は板ガラスの曲げ急冷装置、２は加熱炉、
７は成形型としての凸型、８は成形型としての凹型、11
は固体接触部材、11Aはベース材、12は溝、13はエアー
吐出口、14はエアー吸引口、15は網目状金属シート、16
は通気性表面材、Ｇは板ガラスである。FIG. 1 is an overall view of a sheet glass bending and quenching apparatus according to the present invention, FIG. 2 is a perspective view of a main part of a solid contact member according to the present invention,
3 (A) to 3 (G) are drawings of a step of bending and quenching a sheet glass, FIG. 4 is a view of another embodiment of the solid contact member according to the present invention, and FIG. 5 is a further alternative of the solid contact member according to the present invention. It is an Example figure. In the drawing, 1 is a plate glass bending and quenching device, 2 is a heating furnace,
7 is a convex mold, 8 is a concave mold, 11
Is a solid contact member, 11A is a base material, 12 is a groove, 13 is an air discharge port, 14 is an air suction port, 15 is a mesh-like metal sheet, 16
Is a breathable surface material, and G is a sheet glass.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−140333（ＪＰ，Ａ) 特開 昭54−33516（ＪＰ，Ａ) 特開 昭59−227732（ＪＰ，Ａ) 特開 昭58−140334（ＪＰ，Ａ) 特公 昭47−48250（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.6，ＤＢ名) C03B 27/004,27/044,27/052,23/03──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-58-140333 (JP, A) JP-A-54-33516 (JP, A) JP-A-59-227732 (JP, A) JP-A-58-140 140334 (JP, A) JP 47-48250 (JP, B1) (58) Fields studied (Int. Cl. 6 , DB name) C03B 27 / 004,27 / 044,27 / 052,23 / 03
Claims (2)
け、軟化点近くまで加熱した板ガラスを曲げるとともに
前記固体接触部材に接触させることにより、板ガラスを
急冷強化するようにした板ガラスの曲げ急冷装置におい
て、 前記固体接触部材は、ベース材と、このベース材に穿設
した溝と、この溝に冷却空気を供給するエアー吐出口
と、溝から空気を排出するエアー吸引口と、これら溝、
エアー吐出口及びエアー吸引口を覆う如くにベース材の
片面に貼りつけた網目状金属シートと、板ガラスに接触
させる部材として前記網目状金属シートに重ねた通気性
表面材とからなり、 前記溝を通過させた空気でベース材、網目状金属シート
を強制冷却することで前記固体接触部材の温度上昇を抑
え、溝に供給した空気の一部を網目状金属シート及び表
面材を通してリークさせることで板ガラスに直接接触す
る表面材の温度上昇を抑える構成にしたことを特徴とし
た板ガラスの曲げ急冷装置。A solid contact member is provided on a work contact surface of a molding die, and a sheet glass heated to near a softening point is bent and brought into contact with the solid contact member, thereby rapidly cooling and strengthening the sheet glass. In the device, the solid contact member includes a base material, a groove formed in the base material, an air discharge port for supplying cooling air to the groove, an air suction port for discharging air from the groove, and these grooves.
A mesh-like metal sheet attached to one side of the base material so as to cover the air discharge port and the air suction port, and a gas-permeable surface material superimposed on the mesh-like metal sheet as a member to be brought into contact with the sheet glass; The base material and the mesh-like metal sheet are forcibly cooled by the passed air to suppress a rise in the temperature of the solid contact member, and a part of the air supplied to the groove is leaked through the mesh-like metal sheet and the surface material to form a sheet glass. A plate glass bending and quenching device characterized in that a rise in the temperature of a surface material that directly contacts the plate is suppressed.
メッシュの範囲の網であり、前記表面材はガラス繊維、
セラミック繊維、カーボン繊維、金属繊維又はアラミド
繊維からなる繊維或いはフェルトであることを特徴とし
た請求項１記載の板ガラスの曲げ急冷装置。2. The mesh-like metal sheet has a mesh size of 100 to 400 mesh.
A mesh in the range of a mesh, wherein the surface material is glass fiber,
2. The sheet glass bending and quenching apparatus according to claim 1, wherein the apparatus is a fiber or felt made of ceramic fiber, carbon fiber, metal fiber or aramid fiber.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1316277A JP2766355B2 (en) | 1989-12-05 | 1989-12-05 | Sheet glass bending and quenching equipment |
| EP19900313157 EP0431895A3 (en) | 1989-12-05 | 1990-12-04 | Method of and apparatus for bending and tempering sheet glass |
| US07/622,731 US5139552A (en) | 1989-12-05 | 1990-12-05 | Apparatus for bending and tempering sheet glass |
| KR1019900019912A KR910011664A (en) | 1989-12-05 | 1990-12-05 | Method and apparatus for strengthening bending / quenching of sheet glass |
| CA002041059A CA2041059A1 (en) | 1989-12-05 | 1990-12-05 | Method of and apparatus for bending and tempering sheet glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1316277A JP2766355B2 (en) | 1989-12-05 | 1989-12-05 | Sheet glass bending and quenching equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03177326A JPH03177326A (en) | 1991-08-01 |
| JP2766355B2 true JP2766355B2 (en) | 1998-06-18 |
Family
ID=18075315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1316277A Expired - Fee Related JP2766355B2 (en) | 1989-12-05 | 1989-12-05 | Sheet glass bending and quenching equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2766355B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7866187B2 (en) * | 2003-09-24 | 2011-01-11 | Pilkington North America, Inc. | Press bending station for the bending of glass sheets |
| GB201708758D0 (en) * | 2017-06-01 | 2017-07-19 | Pilkington Group Ltd | Method and apparatus for shaping a glass sheet |
| CN109206001A (en) * | 2018-09-03 | 2019-01-15 | 郑州福耀玻璃有限公司 | Automobile parts glass rapid prototyping system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE47093B1 (en) * | 1977-06-23 | 1983-12-14 | Triplex Safety Glass Co | Improvements in or relating to toughened glass sheets and method for their production |
| JPS58140334A (en) * | 1982-02-09 | 1983-08-20 | Nippon Sheet Glass Co Ltd | Apparatus for manufacturing tempered curved glass |
| JPS58140333A (en) * | 1982-02-09 | 1983-08-20 | Nippon Sheet Glass Co Ltd | Apparatus for manufacturing tempered curved glass |
| JPS59227732A (en) * | 1983-06-03 | 1984-12-21 | Asahi Glass Co Ltd | Apparatus for reinforcing glass plate |
-
1989
- 1989-12-05 JP JP1316277A patent/JP2766355B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03177326A (en) | 1991-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |