JPS64280A - Method for coating zinc on perforated aluminum pipe - Google Patents
Method for coating zinc on perforated aluminum pipeInfo
- Publication number
- JPS64280A JPS64280A JP6305987A JP6305987A JPS64280A JP S64280 A JPS64280 A JP S64280A JP 6305987 A JP6305987 A JP 6305987A JP 6305987 A JP6305987 A JP 6305987A JP S64280 A JPS64280 A JP S64280A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- zinc
- extrusion
- perforated aluminum
- aluminum pipe
- 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
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
PURPOSE: To uniformly coat zinc on the surface of a perforated aluminum pipe with good productivity in a simple installation and process by blowing zinc powder on the surface of the perforated aluminum pipe just after extrusion, melting and diffusing zinc with the remaining heat of the above-mentioned pipe.
CONSTITUTION: Metallic powder of zinc is blown on the surface of a perforated aluminum pipe 2 just after extrusion through nozzles 3, 3a. In this case, the positions of the nozzles 3, 3a apart from the outlet of an extruder 1 are set by moving and regulating them to such distance that the surface to be blown of the pipe 2 is made to the proper temp. and also the amount of zinc powder supplied to the nozzles 3, 3a is controlled according to the extrusion velocity of the pipe 2. The surface of the pipe wherein an oxidative film is not formed just after extrusion and it is in a state enriched with activity can be regulated to uniform and good layer coated with prescribed thickness of zinc because zinc powder is melted and diffused with the remaining heat of the pipe 2.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-63059A JPH01280A (en) | 1987-03-18 | Zinc coating method for aluminum multi-hole pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-63059A JPH01280A (en) | 1987-03-18 | Zinc coating method for aluminum multi-hole pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS64280A true JPS64280A (en) | 1989-01-05 |
JPH01280A JPH01280A (en) | 1989-01-05 |
Family
ID=
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4874725A (en) * | 1984-04-27 | 1989-10-17 | Nippon Tungsten Co., Ltd. | High-density sintered article of silicon carbid |
JPH0480381A (en) * | 1990-07-19 | 1992-03-13 | Kobe Steel Ltd | Aluminum type member excellent in laser weldability |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4874725A (en) * | 1984-04-27 | 1989-10-17 | Nippon Tungsten Co., Ltd. | High-density sintered article of silicon carbid |
JPH0480381A (en) * | 1990-07-19 | 1992-03-13 | Kobe Steel Ltd | Aluminum type member excellent in laser weldability |
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