ES2016446A6 - Manufacturing finned tubes - Google Patents

Manufacturing finned tubes

Info

Publication number
ES2016446A6
ES2016446A6 ES8901611A ES8901611A ES2016446A6 ES 2016446 A6 ES2016446 A6 ES 2016446A6 ES 8901611 A ES8901611 A ES 8901611A ES 8901611 A ES8901611 A ES 8901611A ES 2016446 A6 ES2016446 A6 ES 2016446A6
Authority
ES
Spain
Prior art keywords
finned tubes
manufacturing finned
tool
finning
manufacturing
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 - Fee Related
Application number
ES8901611A
Other languages
Spanish (es)
Inventor
Tomezzoli Renzo Giovanni
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.)
GIOVANNI TOMEZZOLI RENZO MARS
Original Assignee
GIOVANNI TOMEZZOLI RENZO MARS
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 GIOVANNI TOMEZZOLI RENZO MARS filed Critical GIOVANNI TOMEZZOLI RENZO MARS
Publication of ES2016446A6 publication Critical patent/ES2016446A6/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/068—Shaving, skiving or scarifying for forming lifted portions, e.g. slices or barbs, on the surface of the material

Abstract

The tube 1 is revolved and advanced axially through finning apparatus in which a notching tool 7 cuts a helicoidal fin out of the tube material, and the fin is then bent outwards by the action of a finning tool 10 situated opposite the notching tool 7.
ES8901611A 1988-05-13 1989-05-12 Manufacturing finned tubes Expired - Fee Related ES2016446A6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20567/88A IT1217587B (en) 1988-05-13 1988-05-13 METHOD FOR THE MANUFACTURE OF FINNED TUBES WITH HIGH THERMAL EXCHANGE COEFFICIENT

Publications (1)

Publication Number Publication Date
ES2016446A6 true ES2016446A6 (en) 1990-11-01

Family

ID=11168909

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8901611A Expired - Fee Related ES2016446A6 (en) 1988-05-13 1989-05-12 Manufacturing finned tubes

Country Status (5)

Country Link
DE (1) DE3913906A1 (en)
ES (1) ES2016446A6 (en)
FR (1) FR2631269B1 (en)
GB (1) GB2218359B (en)
IT (1) IT1217587B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2219343A (en) * 1939-03-03 1940-10-29 Thermek Corp Machine for raising spines
US3791003A (en) * 1970-02-24 1974-02-12 Peerless Of America Method of frabricating a plural finned heat exchanger
US3683656A (en) * 1970-03-25 1972-08-15 Carl M Lewis Heat exchanger apparatus and method of making the same
IT1215315B (en) * 1985-11-12 1990-01-31 Palloni Giorgio METHOD OF MANUFACTURE OF FINNED TUBES WITH HIGH THERMAL EXCHANGE COEFFICIENT AND FINNED TUBES OBTAINED BY SUCH METHOD.

Also Published As

Publication number Publication date
IT8820567A0 (en) 1988-05-13
FR2631269B1 (en) 1992-06-12
IT1217587B (en) 1990-03-30
GB2218359B (en) 1992-10-21
GB2218359A (en) 1989-11-15
DE3913906A1 (en) 1989-11-23
FR2631269A1 (en) 1989-11-17
GB8909629D0 (en) 1989-06-14

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000401