JPS64280A - Method for coating zinc on perforated aluminum pipe - Google Patents

Method for coating zinc on perforated aluminum pipe

Info

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
Application number
JP6305987A
Other languages
Japanese (ja)
Other versions
JPH01280A (en
Inventor
Masayuki Ekuma
Takeshi Nishimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP62-63059A priority Critical patent/JPH01280A/en
Priority claimed from JP62-63059A external-priority patent/JPH01280A/en
Publication of JPS64280A publication Critical patent/JPS64280A/en
Publication of JPH01280A publication Critical patent/JPH01280A/en
Pending legal-status Critical Current

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  • 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
JP62-63059A 1987-03-18 Zinc coating method for aluminum multi-hole pipe Pending JPH01280A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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