LU78398A1 - - Google Patents

Info

Publication number
LU78398A1
LU78398A1 LU78398A LU78398A LU78398A1 LU 78398 A1 LU78398 A1 LU 78398A1 LU 78398 A LU78398 A LU 78398A LU 78398 A LU78398 A LU 78398A LU 78398 A1 LU78398 A1 LU 78398A1
Authority
LU
Luxembourg
Application number
LU78398A
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 filed Critical
Publication of LU78398A1 publication Critical patent/LU78398A1/xx

Links

Classifications

    • 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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • 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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metal Extraction Processes (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
LU78398A 1976-10-29 1977-10-27 LU78398A1 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7632702A FR2369027A1 (fr) 1976-10-29 1976-10-29 Piece tubulaire dont les diametres et les epaisseurs ne sont pas constants sur toute leur longueu

Publications (1)

Publication Number Publication Date
LU78398A1 true LU78398A1 (nl) 1978-01-26

Family

ID=9179375

Family Applications (1)

Application Number Title Priority Date Filing Date
LU78398A LU78398A1 (nl) 1976-10-29 1977-10-27

Country Status (10)

Country Link
BE (1) BE860121A (nl)
DE (1) DE2741071C2 (nl)
ES (1) ES463011A1 (nl)
FR (1) FR2369027A1 (nl)
GB (1) GB1566582A (nl)
IT (1) IT1090228B (nl)
LU (1) LU78398A1 (nl)
NL (1) NL186493C (nl)
RO (1) RO75232A (nl)
YU (1) YU254677A (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU928745A1 (ru) * 1979-05-22 1983-06-07 Запорожский Проектно-Конструкторский И Технологический Институт Система управлени гидравлическим прессом
FR2529983A1 (fr) * 1982-07-09 1984-01-13 Vallourec Cremaillere de direction pour vehicules automobiles
GB2124935B (en) * 1982-07-21 1985-08-14 Cam Gears Ltd A piston and cylinder assembly a power assisted steering gear which includes such an assembly and a method of forming a piston for such an assembly
FR2534159B1 (fr) * 1982-10-08 1986-05-16 Piercy Jean Procede de fabrication de pieces cylindriques, notamment de pieces creuses, et machine pour sa mise en oeuvre
FR2544271B1 (fr) * 1983-04-15 1988-09-09 Peugeot Cycles Axe de volant pour colonne de direction de vehicule automobile
IT1160132B (it) * 1983-12-14 1987-03-04 Tubi Italia Spa Procedimento per la preparazione di comchiglie tubolari destinate ad impianti per la colata continua di acciaio
DE3412486C2 (de) * 1984-04-03 1994-02-03 Kabelmetal Ag Verfahren zur Herstellung von Durchlaufkokillen für Stranggußmaschinen
SE0003655D0 (sv) * 2000-10-10 2000-10-10 Avesta Sheffield Ab Förfarande och anordning för tillverkning av ett ien rörkonstruktion ingående rör samt ett rör tillverkat enligt förfarandet
WO2014067581A1 (de) * 2012-11-02 2014-05-08 Schmittergroup Ag Verfahren zur herstellung unterschiedlicher wanddicken eines behälterrohres
CN107695219B (zh) * 2017-10-20 2019-05-03 芜湖市鸿坤汽车零部件有限公司 一种管材扩口装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE114783C (nl) *
DE129875C (nl) *
DE730633C (de) * 1938-10-19 1943-01-15 Ernst Heinkel Flugzeugwerke G Hydraulische Rohreinziehpresse
DE811109C (de) * 1950-01-06 1951-08-16 Reisholz Stahl & Roehrenwerk Verfahren und Vorrichtung zur Herstellung von nahtlosen Hohlkoerpern, insbesondere von Rohren auf Stossbaenken
GB1092717A (en) * 1964-11-18 1967-11-29 Tube Mill Holding Sa Plant and process for producing seamless tubes using a push-bench, and seamless tubes produced by the process
FR1481305A (fr) * 1966-05-13 1967-05-19 Rubery Procédé de fabrication d'essieux pour véhicules

Also Published As

Publication number Publication date
ES463011A1 (es) 1978-12-16
NL7709624A (nl) 1978-05-03
FR2369027A1 (fr) 1978-05-26
FR2369027B1 (nl) 1980-12-26
IT1090228B (it) 1985-06-26
DE2741071A1 (de) 1978-05-11
RO75232A (ro) 1980-12-30
GB1566582A (en) 1980-05-08
BE860121A (fr) 1978-02-15
NL186493B (nl) 1990-07-16
DE2741071C2 (de) 1985-02-28
NL186493C (nl) 1990-12-17
YU254677A (en) 1984-08-31

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