RO89288A - Dispozitiv pentru realizarea tevilor cu aripioare - Google Patents

Dispozitiv pentru realizarea tevilor cu aripioare

Info

Publication number
RO89288A
RO89288A RO84114139A RO11413984A RO89288A RO 89288 A RO89288 A RO 89288A RO 84114139 A RO84114139 A RO 84114139A RO 11413984 A RO11413984 A RO 11413984A RO 89288 A RO89288 A RO 89288A
Authority
RO
Romania
Prior art keywords
rib tubes
producing rib
producing
tubes
rib
Prior art date
Application number
RO84114139A
Other languages
English (en)
French (fr)
Romanian (ro)
Inventor
Janusz Przybyla
Zygmunt Gozdziewicz
Andrzej Szal
Ryszard Zub
Andrzej Maczynski
Original Assignee
Zaklady Urzadzen Chemicznych Metalchem,Pl
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 Zaklady Urzadzen Chemicznych Metalchem,Pl filed Critical Zaklady Urzadzen Chemicznych Metalchem,Pl
Publication of RO89288A publication Critical patent/RO89288A/ro

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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 or 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 or tubes with decorated walls with helical guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Forging (AREA)
RO84114139A 1983-03-31 1984-03-31 Dispozitiv pentru realizarea tevilor cu aripioare RO89288A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24132483A PL139849B1 (en) 1983-03-31 1983-03-31 Method of rolling of transversally finned pipes and set of tools therefor

Publications (1)

Publication Number Publication Date
RO89288A true RO89288A (ro) 1986-03-15

Family

ID=20016489

Family Applications (1)

Application Number Title Priority Date Filing Date
RO84114139A RO89288A (ro) 1983-03-31 1984-03-31 Dispozitiv pentru realizarea tevilor cu aripioare

Country Status (7)

Country Link
EP (1) EP0121252B1 (cs)
CS (1) CS247078B2 (cs)
DE (1) DE3478581D1 (cs)
HU (1) HU197237B (cs)
PL (1) PL139849B1 (cs)
RO (1) RO89288A (cs)
SU (1) SU1268094A3 (cs)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084142A (cs) * 1900-01-01
US3683656A (en) * 1970-03-25 1972-08-15 Carl M Lewis Heat exchanger apparatus and method of making the same
PL79817B1 (cs) * 1973-11-22 1975-08-30
ZA764761B (en) * 1976-08-09 1978-01-25 Heat Exchangers Africa Ltd Finned tubing
PL113419B1 (en) * 1977-01-26 1980-12-31 Zaklad Doswiadczalny Przy Zakl Method of rolling transversely finned pipes and workingtool therefor

Also Published As

Publication number Publication date
HUT38065A (en) 1986-04-28
PL241324A1 (en) 1984-10-08
CS247078B2 (en) 1986-11-13
HU197237B (en) 1989-03-28
EP0121252A2 (en) 1984-10-10
SU1268094A3 (ru) 1986-10-30
PL139849B1 (en) 1987-02-28
EP0121252B1 (en) 1989-06-07
DE3478581D1 (en) 1989-07-13
EP0121252A3 (en) 1987-05-27

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