IT1233132B - Method to manufacture pipes for heat exchangers and equipment to implement said method - Google Patents

Method to manufacture pipes for heat exchangers and equipment to implement said method

Info

Publication number
IT1233132B
IT1233132B IT8909309A IT930989A IT1233132B IT 1233132 B IT1233132 B IT 1233132B IT 8909309 A IT8909309 A IT 8909309A IT 930989 A IT930989 A IT 930989A IT 1233132 B IT1233132 B IT 1233132B
Authority
IT
Italy
Prior art keywords
finished product
implement
equipment
heat exchangers
semi
Prior art date
Application number
IT8909309A
Other languages
Italian (it)
Other versions
IT8909309A0 (en
Inventor
Caccialupi Gianfranco
Original Assignee
Mgz Spa
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 Mgz Spa filed Critical Mgz Spa
Priority to IT8909309A priority Critical patent/IT1233132B/en
Publication of IT8909309A0 publication Critical patent/IT8909309A0/en
Application granted granted Critical
Publication of IT1233132B publication Critical patent/IT1233132B/en

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Abstract

The present invention concerns a tubular, semi-finished product that is both thicker and with a longer diameter than the finished product. Said semi-finished product passes through a hammer mill to be thinned, wherein said semi-finished product is hammered on a fix internal plug with helicoidal shape, said shape being provided with helicoidal grooves due to plastic deformation and obtained on the internal side of said tube.
IT8909309A 1989-01-13 1989-01-13 Method to manufacture pipes for heat exchangers and equipment to implement said method IT1233132B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8909309A IT1233132B (en) 1989-01-13 1989-01-13 Method to manufacture pipes for heat exchangers and equipment to implement said method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8909309A IT1233132B (en) 1989-01-13 1989-01-13 Method to manufacture pipes for heat exchangers and equipment to implement said method

Publications (2)

Publication Number Publication Date
IT8909309A0 IT8909309A0 (en) 1989-01-13
IT1233132B true IT1233132B (en) 1992-03-14

Family

ID=11128224

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8909309A IT1233132B (en) 1989-01-13 1989-01-13 Method to manufacture pipes for heat exchangers and equipment to implement said method

Country Status (1)

Country Link
IT (1) IT1233132B (en)

Also Published As

Publication number Publication date
IT8909309A0 (en) 1989-01-13

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940128