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AU549883B2 - Making heat exchanger fins - Google Patents
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AU549883B2 - Making heat exchanger fins - Google Patents

Making heat exchanger fins

Info

Publication number
AU549883B2
AU549883B2 AU23140/84A AU2314084A AU549883B2 AU 549883 B2 AU549883 B2 AU 549883B2 AU 23140/84 A AU23140/84 A AU 23140/84A AU 2314084 A AU2314084 A AU 2314084A AU 549883 B2 AU549883 B2 AU 549883B2
Authority
AU
Australia
Prior art keywords
heat exchanger
making heat
exchanger fins
fins
making
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
Application number
AU23140/84A
Other versions
AU2314084A (en
Inventor
Masakatsu Hayashi
Katsuo Matsui
Izumi Ochiai
Shigeyuki Yamazaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to AU23140/84A priority Critical patent/AU549883B2/en
Publication of AU2314084A publication Critical patent/AU2314084A/en
Application granted granted Critical
Publication of AU549883B2 publication Critical patent/AU549883B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • B21D53/085—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal with fins places on zig-zag tubes or parallel tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AU23140/84A 1980-08-15 1984-01-06 Making heat exchanger fins Expired AU549883B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23140/84A AU549883B2 (en) 1980-08-15 1984-01-06 Making heat exchanger fins

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11170480 1980-08-15
AU23140/84A AU549883B2 (en) 1980-08-15 1984-01-06 Making heat exchanger fins

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU74012/81A Division AU532520B2 (en) 1980-08-15 1981-08-12 Heat exchanger

Publications (2)

Publication Number Publication Date
AU2314084A AU2314084A (en) 1984-05-03
AU549883B2 true AU549883B2 (en) 1986-02-20

Family

ID=3712258

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23140/84A Expired AU549883B2 (en) 1980-08-15 1984-01-06 Making heat exchanger fins

Country Status (1)

Country Link
AU (1) AU549883B2 (en)

Also Published As

Publication number Publication date
AU2314084A (en) 1984-05-03

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired