GR66804B - - Google Patents

Info

Publication number
GR66804B
GR66804B GR64731A GR810164731A GR66804B GR 66804 B GR66804 B GR 66804B GR 64731 A GR64731 A GR 64731A GR 810164731 A GR810164731 A GR 810164731A GR 66804 B GR66804 B GR 66804B
Authority
GR
Greece
Application number
GR64731A
Other languages
Greek (el)
Inventor
Harald Roderburg
Original Assignee
Kabel Metallwerke Ghh
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 Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of GR66804B publication Critical patent/GR66804B/el

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0009—Apparatus or processes specially adapted for manufacturing conductors or cables for forming corrugations on conductors or cables
    • 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Flexible Shafts (AREA)
GR64731A 1980-08-02 1981-04-20 GR66804B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803029447 DE3029447C2 (de) 1980-08-02 1980-08-02 Vorrichtung zum Wellen von Rohren

Publications (1)

Publication Number Publication Date
GR66804B true GR66804B (fr) 1981-04-30

Family

ID=6108805

Family Applications (1)

Application Number Title Priority Date Filing Date
GR64731A GR66804B (fr) 1980-08-02 1981-04-20

Country Status (6)

Country Link
JP (1) JPS5732832A (fr)
AT (1) AT373437B (fr)
BE (1) BE889799A (fr)
DE (1) DE3029447C2 (fr)
GR (1) GR66804B (fr)
HU (1) HU184956B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014132A (en) * 1976-01-29 1977-03-29 Cook Edward J Method and apparatus for horticultural grafting
GB2428217B (en) * 2005-07-13 2008-08-27 Miniflex Ltd Apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD59536A (fr) *
JPS4833140A (fr) * 1971-09-02 1973-05-08

Also Published As

Publication number Publication date
DE3029447C2 (de) 1986-11-27
BE889799A (fr) 1982-02-01
HU184956B (en) 1984-11-28
ATA58881A (de) 1983-05-15
DE3029447A1 (de) 1982-04-01
AT373437B (de) 1984-01-25
JPS5732832A (en) 1982-02-22

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