JPS6456542A - Polyethylene coated heavily corrosion preventive zinc plated steel material superior in shock resistance and its manufacture - Google Patents
Polyethylene coated heavily corrosion preventive zinc plated steel material superior in shock resistance and its manufactureInfo
- Publication number
- JPS6456542A JPS6456542A JP21404387A JP21404387A JPS6456542A JP S6456542 A JPS6456542 A JP S6456542A JP 21404387 A JP21404387 A JP 21404387A JP 21404387 A JP21404387 A JP 21404387A JP S6456542 A JPS6456542 A JP S6456542A
- Authority
- JP
- Japan
- Prior art keywords
- polyethylene
- layer
- steel material
- pellets
- same
- 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
- Laminated Bodies (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
PURPOSE:To improve adhesion, shock resistance, water resistance and heat deterioration resistance of a coating layer, by a method wherein an adhesive polyethylene coating layer and polyethylene pellet layer are formed after formation of a foundation treatment layer by applying chemical conversion treatment and/or primer coating to a Zn plated layer of a steel material. CONSTITUTION:A chemical conversion treatment layer and/or a primer layer are provided as a foundation treatment layer 3 on a Zn plated steel material having a Zn plated layer 2 on the outer surface of a foundation steel material 1. An adhesive polyethylene layer 4 is formed on the same by sticking and fusing a polyethylene powdery body onto the same. Then the same is put into a post-heating furnace to smoothen the surface of the polyethylene by fusing the polyethylene powdery body sufficiently to the same. Polyethylene pellets are sprayed on the polyethylene in a molten state and the pellets are stuck to the polyethylene. Reheating is performed after surplus polyethylene pellets have been shaken off. The adhesive polyethylene layer 4 of a lower layer and pellets are fused together, the pellets turn disklike and fused in all directions. After reheating, a polyethylene pellet layer 5 is formed by letting stand to cooling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21404387A JPS6456542A (en) | 1987-08-27 | 1987-08-27 | Polyethylene coated heavily corrosion preventive zinc plated steel material superior in shock resistance and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21404387A JPS6456542A (en) | 1987-08-27 | 1987-08-27 | Polyethylene coated heavily corrosion preventive zinc plated steel material superior in shock resistance and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6456542A true JPS6456542A (en) | 1989-03-03 |
Family
ID=16649327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21404387A Pending JPS6456542A (en) | 1987-08-27 | 1987-08-27 | Polyethylene coated heavily corrosion preventive zinc plated steel material superior in shock resistance and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6456542A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100356909B1 (en) * | 1998-12-29 | 2005-11-21 | 주식회사 포스코 | Manufacturing method of coated steel sheet for coated corrugated steel pipe |
US7218425B2 (en) | 2000-12-15 | 2007-05-15 | Canon Kabushiki Kaisha | Dust and/or dirt detection in image reading apparatus having read-while-feed function |
-
1987
- 1987-08-27 JP JP21404387A patent/JPS6456542A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100356909B1 (en) * | 1998-12-29 | 2005-11-21 | 주식회사 포스코 | Manufacturing method of coated steel sheet for coated corrugated steel pipe |
US7218425B2 (en) | 2000-12-15 | 2007-05-15 | Canon Kabushiki Kaisha | Dust and/or dirt detection in image reading apparatus having read-while-feed function |
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