CS247078B2 - Rolling method of radialy ribbed two-layer pipes and apparatus to perform this method - Google Patents

Rolling method of radialy ribbed two-layer pipes and apparatus to perform this method Download PDF

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Publication number
CS247078B2
CS247078B2 CS243384A CS243384A CS247078B2 CS 247078 B2 CS247078 B2 CS 247078B2 CS 243384 A CS243384 A CS 243384A CS 243384 A CS243384 A CS 243384A CS 247078 B2 CS247078 B2 CS 247078B2
Authority
CS
Czechoslovakia
Prior art keywords
rib
rolling
tube
support
disk
Prior art date
Application number
CS243384A
Other languages
Czech (cs)
English (en)
Inventor
Janusz Przybyla
Zygmunt Gozdziewicz
Andrzej Szal
Ryszard Zub
Andrzej Maszynski
Original Assignee
Zaklady Urzadzen Chem
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 Chem filed Critical Zaklady Urzadzen Chem
Publication of CS247078B2 publication Critical patent/CS247078B2/cs

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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)
CS243384A 1983-03-31 1984-03-30 Rolling method of radialy ribbed two-layer pipes and apparatus to perform this method CS247078B2 (en)

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
CS247078B2 true CS247078B2 (en) 1986-11-13

Family

ID=20016489

Family Applications (1)

Application Number Title Priority Date Filing Date
CS243384A CS247078B2 (en) 1983-03-31 1984-03-30 Rolling method of radialy ribbed two-layer pipes and apparatus to perform this method

Country Status (7)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084142A (fr) * 1900-01-01
US3683656A (en) * 1970-03-25 1972-08-15 Carl M Lewis Heat exchanger apparatus and method of making the same
PL79817B1 (fr) * 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
PL241324A1 (en) 1984-10-08
SU1268094A3 (ru) 1986-10-30
EP0121252A2 (fr) 1984-10-10
DE3478581D1 (en) 1989-07-13
PL139849B1 (en) 1987-02-28
HUT38065A (en) 1986-04-28
HU197237B (en) 1989-03-28
EP0121252A3 (en) 1987-05-27
EP0121252B1 (fr) 1989-06-07
RO89288A (fr) 1986-03-15

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