JPH0242708U - - Google Patents
Info
- Publication number
- JPH0242708U JPH0242708U JP11857888U JP11857888U JPH0242708U JP H0242708 U JPH0242708 U JP H0242708U JP 11857888 U JP11857888 U JP 11857888U JP 11857888 U JP11857888 U JP 11857888U JP H0242708 U JPH0242708 U JP H0242708U
- Authority
- JP
- Japan
- Prior art keywords
- hook
- electric resistance
- metal plate
- resistance welded
- pipe according
- 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.)
- Pending
Links
Landscapes
- Coating By Spraying Or Casting (AREA)
Description
第１図〜第３図は本電縫管の製造工程を夫々示
し、第１図はその第１工程を示し、第２図はその
要部斜視図、第３図は同第２工程を示す。
１…帯状金属板、２…フツク状部、３…溶射金
属、４…成形ロール、５…溶接機、６…電縫管。
Figures 1 to 3 show the manufacturing process of this electric resistance welded tube, with Figure 1 showing the first process, Figure 2 a perspective view of the main parts, and Figure 3 showing the second process. . DESCRIPTION OF SYMBOLS 1... Band-shaped metal plate, 2... Hook-shaped part, 3... Sprayed metal, 4... Forming roll, 5... Welding machine, 6... Electric resistance welding pipe.
Claims (1)
、その長手方向に連続した継ぎ目を液密に溶接し
てなり、内部に相変化する流体（沸騰液または凝
縮液）が二相状態で流通する熱交換器用電縫管に
おいて、前記帯状金属板１の内面側のみに溶融金
属を噴射させることにより、その内面に多数の細
かいランダムな凹凸部を形成させたもの。 (2) 前記帯状金属板に外力を加えることにより
、多数の前記凸部のうち少なくとも一部にフツク
状部２が形成されてなる実用新案登録請求の範囲
第１項記載の電縫管。 (3) 前記内面に付着した溶射金属上に再溶射す
ることによりフツク前記凸部にフツク状部２が形
成された実用新案登録請求の範囲第１項記載の電
縫管。[Claims for Utility Model Registration] (1) A thin strip-shaped metal plate 1 is formed into a tubular shape, and continuous seams in the longitudinal direction are welded in a liquid-tight manner. In an electric resistance welded tube for a heat exchanger in which liquid) flows in a two-phase state, a large number of fine random irregularities are formed on the inner surface by injecting molten metal only onto the inner surface of the strip metal plate 1. thing. (2) The electric resistance welded pipe according to claim 1, wherein the hook-like portions 2 are formed in at least some of the plurality of convex portions by applying an external force to the band-shaped metal plate. (3) The electric resistance welded pipe according to claim 1, wherein the hook-shaped portion 2 is formed on the protruding portion of the hook by re-spraying the sprayed metal adhered to the inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11857888U JPH0242708U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11857888U JPH0242708U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0242708U true JPH0242708U (en) | 1990-03-23 |
Family
ID=31363045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11857888U Pending JPH0242708U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242708U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263265A (en) * | 1992-01-24 | 1993-10-12 | Nippon Steel Corp | Production of titanium plate and titanium alloy plate having excellent coatability |
| JPH0681112A (en) * | 1992-01-24 | 1994-03-22 | Nippon Steel Corp | Method for producing titanium plate and titanium alloy plate with excellent paintability |
| WO2016208599A1 (en) * | 2015-06-23 | 2016-12-29 | 日本発條株式会社 | Clad pipe and method for manufacturing clad pipe |
-
1988
- 1988-09-09 JP JP11857888U patent/JPH0242708U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263265A (en) * | 1992-01-24 | 1993-10-12 | Nippon Steel Corp | Production of titanium plate and titanium alloy plate having excellent coatability |
| JPH0681112A (en) * | 1992-01-24 | 1994-03-22 | Nippon Steel Corp | Method for producing titanium plate and titanium alloy plate with excellent paintability |
| WO2016208599A1 (en) * | 2015-06-23 | 2016-12-29 | 日本発條株式会社 | Clad pipe and method for manufacturing clad pipe |
| JP2017008379A (en) * | 2015-06-23 | 2017-01-12 | 日本発條株式会社 | Clad pipe, and production method of clad pipe |
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