JP3021239B2 - Plate buckling prevention device for plate joints - Google Patents
Plate buckling prevention device for plate jointsInfo
- Publication number
- JP3021239B2 JP3021239B2 JP5167362A JP16736293A JP3021239B2 JP 3021239 B2 JP3021239 B2 JP 3021239B2 JP 5167362 A JP5167362 A JP 5167362A JP 16736293 A JP16736293 A JP 16736293A JP 3021239 B2 JP3021239 B2 JP 3021239B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- buckling prevention
- rolled material
- rough
- eddy current
- 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
Landscapes
- General Induction Heating (AREA)
- Metal Rolling (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、連続圧延設備におけ
る、板材接合部の板座屈防止装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing buckling of a sheet material joint in a continuous rolling facility.
【０００２】[0002]
【従来の技術】従来例えば粗圧延材を接合して連続的に
仕上げ圧延を行なう連続熱間圧延プロセスにおける粗圧
延材の高速接合法に於ては接合すべき先行板材の後端部
と後行板材の先端部とを誘導コイルから印加された交番
磁束により発生する渦電流によって加熱し、加圧して接
合しているが、このような方法により接合すると、この
接合部は上方または下方に座屈することがあるので、こ
の座屈を防止するために各板材端部を座屈防止板によっ
て上下から拘束している。2. Description of the Related Art Conventionally, for example, in a high-speed joining method of a rough rolled material in a continuous hot rolling process in which a rough rolled material is joined and continuously subjected to finish rolling, a rear end portion of a preceding sheet material to be joined and a succeeding end portion thereof are connected. The tip of the plate is heated and pressurized by eddy current generated by the alternating magnetic flux applied from the induction coil, and the plate is joined by such a method. When joined by such a method, the joint buckles upward or downward. In order to prevent the buckling, the ends of the respective plate members are restrained from above and below by buckling prevention plates.
【０００３】図４は、上述した従来の板材接合装置の一
例である、連続熱間圧延設備の粗圧延材接合装置を示す
平面図、図５は図４のＶ−Ｖ断面図である。また図６は
同装置の作用を示す説明図である。FIG. 4 is a plan view showing an example of the above-mentioned conventional sheet material joining apparatus, which is a rough rolled material joining apparatus of continuous hot rolling equipment, and FIG. 5 is a sectional view taken along line VV of FIG. FIG. 6 is an explanatory view showing the operation of the apparatus.
【０００４】図４及び図５において、１３は誘導コイル
であり、先行粗圧延材１１及び後行粗圧延材１２がその
中心空間部を通過するように配設されている。In FIGS. 4 and 5, reference numeral 13 denotes an induction coil, and a leading coarse rolled material 11 and a subsequent rough rolled material 12 are arranged so as to pass through the central space.
【０００５】１４は出側フレームであり、先行粗圧延材
１１及び後行粗圧延材１２がその中心空間部を通過する
ように、誘導コイル１３の出側に配設されている。Reference numeral 14 denotes a delivery frame, which is disposed on the delivery side of the induction coil 13 so that the leading rough rolled material 11 and the subsequent rough rolled material 12 pass through the central space.
【０００６】１５は入側フレームであり、油圧シリンダ
１８によって板材長さ方向に移動し、先行粗圧延材１１
及び後行粗圧延材１２がその中心空間部を通過するよう
に、誘導コイル１３の入側に配設されている。Reference numeral 15 denotes an entry side frame, which is moved by a hydraulic cylinder 18 in the length direction of the plate material, and
And, the subsequent rough rolled material 12 is disposed on the entry side of the induction coil 13 so as to pass through the central space.
【０００７】この各々のフレーム１４，１５の上部及び
下部には、ロッド部が貫通するように油圧シリンダ１６
がそれぞれ固設され、各々の油圧シリンダ１６のロッド
部先端にはクランプ１７がそれぞれ装着されている。そ
して、この上下のクランプ１７には座屈防止板２１がそ
れぞれ装着されている。[0007] The upper and lower portions of each of the frames 14, 15 are provided with a hydraulic cylinder 16 such that a rod portion passes therethrough.
Are fixed to each other, and clamps 17 are respectively attached to the distal ends of the rod portions of the respective hydraulic cylinders 16. Buckling prevention plates 21 are mounted on the upper and lower clamps 17, respectively.
【０００８】先行粗圧延材１１の後端部及び後行粗圧延
材１２の先端部を図示のように少し離して設定し、油圧
シリンダ１６によってクランプ１７及び座屈防止板２１
を各々の粗圧延材１１，１２の上面及び下面に押圧して
拘束する。The rear end portion of the preceding rough rolled material 11 and the front end portion of the subsequent rough rolled material 12 are set slightly apart as shown in the figure, and the clamp 17 and the buckling prevention plate 21 are
To the upper and lower surfaces of each of the rough rolled materials 11 and 12 to restrain them.
【０００９】そして、誘導コイル１３に高周波電流を印
加通電し、先行粗圧延材１１の後端部及び後行粗圧延材
１２の先端部に誘導コイル１３から板厚方向に貫通する
磁束によってその平面内に励起渦電流２０を発生させて
誘導加熱する。この渦電流２０の電流密度ｉの板端から
の分布は次式となる。 ｉ（ｘ）＝ｉ0 ｅｘｐ（−ｘ／δ） ここで ｘ：板端からの距離 δ：渦電流の浸透深さThen, a high-frequency current is applied to the induction coil 13 so as to conduct electricity. An excitation eddy current 20 is generated in the inside and induction heating is performed. The distribution of the current density i of the eddy current 20 from the plate edge is given by the following equation. i (x) = i 0 exp (−x / δ) where x: distance from plate edge δ: penetration depth of eddy current
【００１０】次に、入側フレーム１５を油圧シリンダ１
８によって板材長さ方向に移動させ、後行粗圧延材１２
の先端部を先行粗圧延材１１の後端部に押圧して接合す
る。Next, the input side frame 15 is connected to the hydraulic cylinder 1
8 to move the sheet material in the longitudinal direction,
Is pressed against and joined to the rear end of the preceding rough rolled material 11.
【００１１】[0011]
【発明が解決しようとする課題】ところが前述のような
従来の連続熱間圧延設備の粗圧延材接合装置では、誘導
加熱のとき、目的の粗圧延材１１，１２の接合部だけで
なく、座屈防止板２１にも図６に示すように渦電流２０
が発生して周回し、誘導加熱されてしまう。However, in the conventional rough-rolled material joining apparatus of the continuous hot-rolling equipment as described above, in the induction heating, not only the joints of the target rough-rolled materials 11 and 12 but also As shown in FIG.
Occurs and it goes around, causing induction heating.
【００１２】従って、前記接合部の加熱効率が低下し、
また、座屈防止板２１が溶損したり粗圧延材１１，１２
に溶着する等の不具合がある。Therefore, the heating efficiency of the joint decreases,
In addition, the buckling prevention plate 21 may be melted or may be rough-rolled materials 11 and 12.
Has problems such as welding.
【００１３】本発明は、このような従来技術の不具合点
を解消するために提案されたもので、誘導加熱によるジ
ュール熱の発生が微少である座屈防止板を具備した板材
接合部の板座屈防止装置を提供することを目的としてい
る。SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned disadvantages of the prior art, and is a plate seat of a plate joining portion provided with a buckling prevention plate which generates little Joule heat due to induction heating. It is intended to provide a buckling prevention device.
【００１４】[0014]
【課題を解決するための手段】前記目的を達成するため
の構成として本発明の板材接合部の板座屈防止装置は、
先行板材の後端部と後行板材の先端部とを、誘導コイル
から印加された交番磁束により板面内に発生する渦電流
によって誘導加熱すると共に座屈防止板によって上面及
び下面から拘束し、前記先行板材の後端部と前記後行板
材の先端部を加圧して接合する板材接合装置において、
前記座屈防止板の板材幅方向に櫛歯状の切欠部を設けた
ことを特徴としている。According to a first aspect of the present invention, there is provided an apparatus for preventing plate buckling of a sheet material joint according to the present invention.
The rear end of the preceding plate and the front end of the following plate are heated by eddy current generated in the plate surface by the alternating magnetic flux applied from the induction coil, and are restrained from the upper surface and the lower surface by the buckling prevention plate, In a plate material joining apparatus that presses and joins a rear end portion of the preceding plate material and a front end portion of the succeeding plate material,
The buckling prevention plate is characterized in that a comb-shaped notch is provided in a width direction of the plate material.
【００１５】[0015]
【作用】上記のように構成した本発明の板材接合部の板
座屈防止装置によれば、先行板材の後端部と後行板材の
先端部とを少し離して設定し、誘導コイルに高周波電流
を印加通電して誘導コイルから板材の板厚方向に貫通す
る磁束によって発生する渦電流を、先行板材の後端部及
び後行板材の先端部の平面に周回させて誘導加熱し、両
者を加圧して接合する。According to the plate buckling prevention apparatus of the present invention configured as described above, the rear end of the preceding plate and the front end of the succeeding plate are set slightly apart from each other, and a high-frequency wave is applied to the induction coil. An eddy current generated by a magnetic flux that passes through the induction coil in the thickness direction of the plate from the induction coil by applying a current is circulated around the plane of the rear end of the preceding plate and the front end of the succeeding plate, and induction heating is performed. Pressing and joining.
【００１６】このとき、座屈防止板にも渦電流が発生す
るが、本発明においては、座屈防止板はその板材幅方向
に櫛歯状に成形することによって板幅が狭くしてあるの
で両側の渦電流が干渉して打消し合い、渦電流の電流密
度は小さくなるのでジュール熱の発生も微少になる。At this time, an eddy current is also generated in the buckling prevention plate. However, in the present invention, the buckling prevention plate is formed in a comb-like shape in the width direction of the plate material so that the width of the plate is reduced. The eddy currents on both sides interfere with each other and cancel each other out, and the current density of the eddy currents becomes small, so that the generation of Joule heat becomes very small.
【００１７】従って接合部の熱効率を向上させ、座屈防
止板の溶損や板材への溶着を防止することができる。Accordingly, it is possible to improve the thermal efficiency of the joint portion and prevent the buckling prevention plate from being damaged or welded to the plate material.
【００１８】[0018]
【実施例】以下図面により本発明の１実施例について説
明する。図１は本発明の１実施例である、連続熱間圧延
設備の粗圧延材接合装置を示す平面図、図２は図１のII
−II断面図である。また図３は同装置の作用を示す説明
図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a rough rolled material joining apparatus of a continuous hot rolling equipment according to one embodiment of the present invention, and FIG.
-It is a II sectional view. FIG. 3 is an explanatory view showing the operation of the apparatus.
【００１９】図１及び図２において、１は座屈防止板で
あり、該板１は粗圧延材幅方向に櫛歯状の切欠部１ａが
形成され、入側フレーム１５及び出側フレーム１４にそ
れぞれ固設された油圧シリンダ１６のロッド部先端に取
付けた上下の各々のクランプ１７にそれぞれ装着されて
いる。その他の構成は従来の装置と同一であるのでその
詳細説明は省略する。1 and 2, reference numeral 1 denotes a buckling prevention plate. The plate 1 has a comb-shaped notch 1a formed in the width direction of the rough rolled material. The upper and lower clamps 17 are respectively attached to the distal ends of the rod portions of the hydraulic cylinders 16 that are fixed. The rest of the configuration is the same as that of the conventional device, and a detailed description thereof will be omitted.
【００２０】本装置の作動に際してはまず接合すべき先
行粗圧延材１１の後端部及び後行粗圧延材１２の先端部
を図示のように少し離して設定し、油圧シリンダ１６に
よって上下の各クランプ１７及び座屈防止板１を各々の
粗圧延材１１，１２の上面及び下面に押圧して拘束す
る。In operation of the present apparatus, first, the rear end of the preceding rough rolled material 11 to be joined and the front end of the subsequent rough rolled material 12 are set slightly apart as shown in the figure, and the upper and lower The clamp 17 and the buckling prevention plate 1 are pressed against the upper and lower surfaces of each of the rough rolled materials 11 and 12 to restrain them.
【００２１】ついで誘導コイル１３に高周波電流を印加
通電し、先行粗圧延材１１の後端部及び後行粗圧延材１
２の先端部に板厚方向に貫通する磁束によってその平面
内に励起渦電流２０を発生させて誘導加熱する。Next, a high-frequency current is applied to the induction coil 13 to energize it, and the rear end of the preceding rough rolled material 11 and the subsequent rough rolled material 1
An excitation eddy current 20 is generated in the plane by the magnetic flux penetrating in the thickness direction at the tip end of 2 to induce induction heating.
【００２２】この渦電流２０の電流密度ｉの板端からの
分布は次式となる。 ｉ（ｘ）＝ｉ0 ｅｘｐ（−ｘ／δ） ここで ｘ：板端からの距離 δ：渦電流の浸透深さThe distribution of the current density i of the eddy current 20 from the plate edge is given by the following equation. i (x) = i 0 exp (−x / δ) where x: distance from plate edge δ: penetration depth of eddy current
【００２３】次に、入側フレーム１５を油圧シリンダ１
８によって板材長さ方向（図２矢印方向）に移動させ、
後行粗圧延材１２の先端部を先行粗圧延材１１の後端部
に押圧して接合する。Next, the input side frame 15 is connected to the hydraulic cylinder 1
8 to move in the plate material length direction (the direction of the arrow in FIG. 2),
The leading end of the subsequent rough-rolled material 12 is pressed and joined to the rear end of the preceding rough-rolled material 11.
【００２４】このとき、同装置の作用説明図である図３
に示すように、座屈防止板１にも渦電流１０が発生する
が、渦電流１０は座屈防止板１の平面内を１周しなけれ
ばならないので、板幅が狭くしてあれば図３の下方に示
すように両側の渦電流１０が干渉して打消し合い、渦電
流の電流密度ｉは小さくなるのでジュール熱の発生も微
少になる。この損失は櫛歯１ａの幅４を浸透深さの５倍
以内としておけばほとんど問題とならない程度におさめ
ることができる。At this time, FIG.
As shown in FIG. 1, an eddy current 10 is also generated in the buckling prevention plate 1. However, since the eddy current 10 has to make one round in the plane of the buckling prevention plate 1, if the width of the plate is reduced, the figure is reduced. As shown in the lower part of FIG. 3, the eddy currents 10 on both sides interfere with each other and cancel each other out, and the current density i of the eddy currents becomes small, so that the generation of Joule heat becomes very small. If the width 4 of the comb teeth 1a is set within 5 times the penetration depth, this loss can be reduced to a level that causes almost no problem.
【００２５】この結果接合部の熱効率を向上させ、座屈
防止板の溶損や板材への溶着を防ぐことができる。As a result, the thermal efficiency of the joint can be improved, and the buckling prevention plate can be prevented from being damaged or welded to the plate material.
【００２６】以上本発明の１実施例について縷々説明し
たが、本発明は上記実施例に限定されるものでなく、本
発明技術思想の範囲内で種々設計変更が可能であり、そ
れらは何れも本発明の技術的範囲に属する。Although one embodiment of the present invention has been described in detail, the present invention is not limited to the above embodiment, and various design changes are possible within the scope of the technical idea of the present invention. It belongs to the technical scope of the present invention.
【００２７】[0027]
【発明の効果】以上説明したように本発明の板材接合部
の板座屈防止装置によれば、座屈防止板の板材幅方向に
櫛歯状の切欠部を設けたことにより、座屈防止板の板材
幅方向長さが短くなるので、誘導加熱加圧時、座屈防止
板両側の渦電流が干渉して打消し合い、渦電流の電流密
度は小さくなるのでジュール熱の発生も微少になる。従
って、接合部の熱効率を向上させ、座屈防止板の溶損や
板材への溶着を防止することができる。As described above, according to the apparatus for preventing buckling of a sheet material joint according to the present invention, the buckling prevention plate is provided with comb-shaped notches in the width direction of the sheet material to prevent buckling. Since the length of the plate in the width direction of the plate becomes shorter, eddy currents on both sides of the buckling prevention plate interfere and cancel each other during induction heating and pressurization, and the current density of the eddy current becomes smaller, so the generation of Joule heat is also very small. Become. Therefore, it is possible to improve the thermal efficiency of the joining portion and prevent the buckling prevention plate from being damaged by welding or being welded to the plate material.
【図１】本発明の１実施例に係る連続熱間圧延設備の粗
圧延材接合装置の平面図である。FIG. 1 is a plan view of a rough rolled material joining apparatus of a continuous hot rolling facility according to one embodiment of the present invention.
【図２】図１のII−II線断面図である。FIG. 2 is a sectional view taken along line II-II of FIG.
【図３】図１及び図２に示す装置の作用を示す説明図で
ある。FIG. 3 is an explanatory view showing the operation of the device shown in FIGS. 1 and 2.
【図４】従来の連続熱間圧延設備の粗圧延材接合装置を
示す平面図である。FIG. 4 is a plan view showing a conventional rough-rolled material joining apparatus for continuous hot rolling equipment.
【図５】図４のＶ−Ｖ線断面図である。FIG. 5 is a sectional view taken along line VV of FIG. 4;
【図６】図４及び図５に示す装置の作用を示す説明図で
ある。FIG. 6 is an explanatory diagram showing the operation of the device shown in FIGS. 4 and 5.
１ 座屈防止板 １ａ 切欠部 １０ 渦電流 １１ 先行粗圧延材 １２ 後行粗圧延材 １３ 誘導コイル １４ 出側フレーム １５ 入側フレーム １６ 油圧シリンダ １７ クランプ １８ 油圧シリンダ ２０ 渦電流 DESCRIPTION OF SYMBOLS 1 Buckling prevention plate 1a Notch 10 Eddy current 11 Lead rough rolling material 12 Trailing rough rolling material 13 Induction coil 14 Outlet frame 15 Inlet frame 16 Hydraulic cylinder 17 Clamp 18 Hydraulic cylinder 20 Eddy current
───────────────────────────────────────────────────── フロントページの続き (72)発明者 森本 和夫 広島市西区観音新町四丁目６番22号 三 菱重工業株式会社広島研究所内 (72)発明者 鶴崎 一也 広島市西区観音新町四丁目６番22号 三 菱重工業株式会社広島研究所内 (72)発明者 和泉 清 広島市西区観音新町四丁目６番22号 三 菱重工業株式会社広島研究所内 (72)発明者 二階堂 英幸 千葉県千葉市中央区川崎町１番地 川崎 製鉄株式会社千葉製鉄所内 (72)発明者 平林 毅 千葉県千葉市中央区川崎町１番地 川崎 製鉄株式会社千葉製鉄所内 (72)発明者 磯山 茂 千葉県千葉市中央区川崎町１番地 川崎 製鉄株式会社千葉製鉄所内 (72)発明者 天笠 敏明 千葉県千葉市中央区川崎町１番地 川崎 製鉄株式会社千葉製鉄所内 (72)発明者 田村 望 千葉県千葉市中央区川崎町１番地 川崎 製鉄株式会社千葉製鉄所内 (58)調査した分野(Int.Cl.7，ＤＢ名) B21B 1/26,15/00 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuo Morimoto 4-2-2 Kannon Shinmachi, Nishi-ku, Hiroshima City Inside the Hiroshima Research Laboratory, Mitsubishi Heavy Industries, Ltd. (72) Inventor Kazuya Tsuruzaki 4-6-kannon Shinmachi, Nishi-ku, Hiroshima City 22 Hiroshima R & D Co., Ltd. (72) Inventor Kiyoshi Izumi 4-2-2 Kannon Shinmachi, Nishi-ku, Hiroshima City Hiroshima R & D Laboratories (72) Inventor Hideyuki Nikaido Kawasaki, Chuo-ku, Chiba No. 1, Kawasaki Steel Corporation Chiba Works (72) Inventor Takeshi Hirabayashi 1 Kawasaki-cho, Chuo-ku, Chiba City, Chiba Prefecture Kawasaki Steel Corporation Chiba Works, Chiba (72) Inventor Shigeru Isoyama 1 Kawasaki-cho, Chuo-ku, Chiba City, Chiba Prefecture Address Kawasaki Steel Corporation Chiba Works (72) Inventor Toshiaki Amagasa 1 Kawasaki-cho, Chuo-ku, Chiba-shi, Chiba Kawasaki Steel Corporation Company Chiba steelworks (72) inventor Tamura, Nozomu Chiba City, Chiba Prefecture, Chuo-ku, Kawasaki-cho, address 1 Kawasaki Steel Co., Ltd. Chiba steelworks (58) investigated the field (Int.Cl. 7, DB name) B21B 1 / 26,15 / 00
Claims (1)
を、誘導コイルから印加された交番磁束により板面内に
発生する渦電流によって誘導加熱すると共に座屈防止板
によって上面及び下面から拘束し、前記先行板材の後端
部と前記後行板材の先端部とを加圧して接合する板材接
合装置において、前記座屈防止板の板材幅方向に櫛歯状
の切欠部を設けたことを特徴とする板材接合部の板座屈
防止装置。1. An induction heating of a rear end portion of a preceding plate material and a front end portion of a succeeding plate material by eddy current generated in a plate surface by an alternating magnetic flux applied from an induction coil, and an upper surface and a buckling prevention plate. In a plate joining apparatus which is constrained from a lower surface and presses and joins a rear end of the preceding plate and a tip of the succeeding plate, a comb-shaped notch is provided in a width direction of the buckling prevention plate. A plate buckling prevention device for a plate material joint.
Priority Applications (25)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5167362A JP3021239B2 (en) | 1993-06-15 | 1993-06-15 | Plate buckling prevention device for plate joints |
| CA002256995A CA2256995C (en) | 1993-06-15 | 1994-06-15 | A system for continuous hot rolling |
| US08/387,788 US5753894A (en) | 1993-06-15 | 1994-06-15 | Hot rolling method for continuously joining metal blocks and an apparatus for the same |
| KR1019950700581A KR100249664B1 (en) | 1993-06-15 | 1994-06-15 | Method for continuous hot rolling of metal pieces, and apparatus and parts therefor |
| DE69433332T DE69433332T2 (en) | 1993-06-15 | 1994-06-15 | Method and device for continuous hot rolling |
| CA002399336A CA2399336A1 (en) | 1993-06-15 | 1994-06-15 | Continuous hot rolling method |
| EP99112849A EP0956911B1 (en) | 1993-06-15 | 1994-06-15 | A continuous hot rolling method and an apparatus for carrying out said method |
| PCT/JP1994/000968 WO1994029040A1 (en) | 1993-06-15 | 1994-06-15 | Method for continuous hot rolling of metal pieces, and apparatus and parts therefor |
| CA002399334A CA2399334A1 (en) | 1993-06-15 | 1994-06-15 | Continuous hot rolling method |
| CN94190501A CN1060975C (en) | 1993-06-15 | 1994-06-15 | Method for continuous hot rolling of metal pieces, and apparatus and parts therefor |
| EP00100926A EP1002590B1 (en) | 1993-06-15 | 1994-06-15 | Continuous hot rolling method and apparatus |
| EP02014360A EP1250967A3 (en) | 1993-06-15 | 1994-06-15 | A metal block joining apparatus |
| CNB021297932A CN1269582C (en) | 1993-06-15 | 1994-06-15 | Continuous hot-rolling method for metal plate |
| CA002142464A CA2142464C (en) | 1993-06-15 | 1994-06-15 | A continuous hot rolling method of metal blocks, as well as a metal blocks joining apparatus, a table roller for conveying the metal blocks, a poor joined portion removing apparatus and a metal block cooling apparatus which are used to carry out said method |
| DE69433369T DE69433369T2 (en) | 1993-06-15 | 1994-06-15 | Continuous hot rolling process and apparatus for carrying out the process |
| EP94918527A EP0661112B1 (en) | 1993-06-15 | 1994-06-15 | Method and apparatus for continuous hot rolling of metal pieces |
| DE69428259T DE69428259T2 (en) | 1993-06-15 | 1994-06-15 | METHOD AND DEVICE FOR CONTINUOUS HOT ROLLING OF METAL ROLLING MATERIAL |
| CNA021297940A CN1535773A (en) | 1993-06-15 | 1994-06-15 | Continuous hot-rolling method for metal plate |
| TW083111602A TW297789B (en) | 1993-06-15 | 1994-12-16 | |
| US08/946,638 US6164525A (en) | 1993-06-15 | 1997-10-07 | Continuous hot rolling method of metal blocks, as well as a metal block joining apparatus, a table roller for conveying the metal blocks, a poor joined portion removing apparatus and a metal block cooling apparatus which are used to carry out said method |
| US08/946,554 US6152352A (en) | 1993-06-15 | 1997-10-07 | Continuous hot rolling method of metal blocks, as well as a metal block joining apparatus, a table roller for conveying the metal blocks, a poor joined portion removing apparatus and a metal block cooling apparatus which are used to carry out said method |
| US08/946,756 US6037575A (en) | 1993-06-15 | 1997-10-07 | Method and apparatus for removing a defect in joined metal blocks |
| CN98114741A CN1207966A (en) | 1993-06-15 | 1998-06-11 | Continuous rolling method of metal blocks |
| US09/415,609 US6373017B1 (en) | 1993-06-15 | 1999-10-09 | Continuous hot rolling mill with metal block conveying apparatus |
| US09/441,503 US6345756B1 (en) | 1993-06-15 | 1999-11-15 | Defectively joined portion removal apparatus for use in a continuous hot rolling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5167362A JP3021239B2 (en) | 1993-06-15 | 1993-06-15 | Plate buckling prevention device for plate joints |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH071005A JPH071005A (en) | 1995-01-06 |
| JP3021239B2 true JP3021239B2 (en) | 2000-03-15 |
Family
ID=15848316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5167362A Expired - Fee Related JP3021239B2 (en) | 1993-06-15 | 1993-06-15 | Plate buckling prevention device for plate joints |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3021239B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368926A (en) * | 1992-09-10 | 1994-11-29 | The Procter & Gamble Company | Fluid accepting, transporting, and retaining structure |
| JP3310920B2 (en) * | 1998-01-26 | 2002-08-05 | 三菱重工業株式会社 | Sheet bar joining machine |
-
1993
- 1993-06-15 JP JP5167362A patent/JP3021239B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071005A (en) | 1995-01-06 |
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