NL186493C - METHOD FOR MANUFACTURING A STEPPED TUBULAR ELEMENT WITH DIFFERENT WALL THICKNESS - Google Patents

METHOD FOR MANUFACTURING A STEPPED TUBULAR ELEMENT WITH DIFFERENT WALL THICKNESS

Info

Publication number
NL186493C
NL186493C NL7709624A NL7709624A NL186493C NL 186493 C NL186493 C NL 186493C NL 7709624 A NL7709624 A NL 7709624A NL 7709624 A NL7709624 A NL 7709624A NL 186493 C NL186493 C NL 186493C
Authority
NL
Netherlands
Prior art keywords
manufacturing
wall thickness
tubular element
different wall
stepped tubular
Prior art date
Application number
NL7709624A
Other languages
Dutch (nl)
Other versions
NL186493B (en
NL7709624A (en
Original Assignee
An Compagnie Ind Et Commercial
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 An Compagnie Ind Et Commercial filed Critical An Compagnie Ind Et Commercial
Publication of NL7709624A publication Critical patent/NL7709624A/en
Publication of NL186493B publication Critical patent/NL186493B/en
Application granted granted Critical
Publication of NL186493C publication Critical patent/NL186493C/en

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
NL7709624A 1976-10-29 1977-09-01 METHOD FOR MANUFACTURING A STEPPED TUBULAR ELEMENT WITH DIFFERENT WALL THICKNESS NL186493C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7632702A FR2369027A1 (en) 1976-10-29 1976-10-29 TUBULAR PART OF WHICH DIAMETERS AND THICKNESSES ARE NOT CONSTANT THROUGHOUT THEIR LENGTH

Publications (3)

Publication Number Publication Date
NL7709624A NL7709624A (en) 1978-05-03
NL186493B NL186493B (en) 1990-07-16
NL186493C true NL186493C (en) 1990-12-17

Family

ID=9179375

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7709624A NL186493C (en) 1976-10-29 1977-09-01 METHOD FOR MANUFACTURING A STEPPED TUBULAR ELEMENT WITH DIFFERENT WALL THICKNESS

Country Status (10)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU928745A1 (en) * 1979-05-22 1983-06-07 Запорожский Проектно-Конструкторский И Технологический Институт Hydraulic press control system
FR2529983A1 (en) * 1982-07-09 1984-01-13 Vallourec STEERING RACK FOR MOTOR VEHICLES
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 (en) * 1982-10-08 1986-05-16 Piercy Jean PROCESS FOR MANUFACTURING CYLINDRICAL PARTS, ESPECIALLY HOLLOW PARTS, AND MACHINE FOR IMPLEMENTING SAME
FR2544271B1 (en) * 1983-04-15 1988-09-09 Peugeot Cycles STEERING WHEEL AXLE FOR A STEERING COLUMN OF A MOTOR VEHICLE
IT1160132B (en) * 1983-12-14 1987-03-04 Tubi Italia Spa PROCEDURE FOR THE PREPARATION OF TUBULAR MACHINES INTENDED FOR PLANTS FOR CONTINUOUS STEEL CASTING
DE3412486C2 (en) * 1984-04-03 1994-02-03 Kabelmetal Ag Process for the production of continuous molds for continuous casting machines
SE0003655D0 (en) * 2000-10-10 2000-10-10 Avesta Sheffield Ab Method and apparatus for manufacturing a single tube structure comprising tubes and a tube manufactured in accordance with the method
EP2914392A1 (en) * 2012-11-02 2015-09-09 SchmitterGroup AG Method for producing different wall thicknesses of a container tube
CN107695219B (en) * 2017-10-20 2019-05-03 芜湖市鸿坤汽车零部件有限公司 A kind of tubing expanding device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE114783C (en) *
DE129875C (en) *
DE730633C (en) * 1938-10-19 1943-01-15 Ernst Heinkel Flugzeugwerke G Hydraulic pipe pulling press
DE811109C (en) * 1950-01-06 1951-08-16 Reisholz Stahl & Roehrenwerk Method and device for the production of seamless hollow bodies, in particular tubes on shock bars
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 (en) * 1966-05-13 1967-05-19 Rubery Manufacturing process for vehicle axles

Also Published As

Publication number Publication date
FR2369027B1 (en) 1980-12-26
IT1090228B (en) 1985-06-26
NL186493B (en) 1990-07-16
DE2741071A1 (en) 1978-05-11
LU78398A1 (en) 1978-01-26
RO75232A (en) 1980-12-30
NL7709624A (en) 1978-05-03
YU254677A (en) 1984-08-31
BE860121A (en) 1978-02-15
DE2741071C2 (en) 1985-02-28
FR2369027A1 (en) 1978-05-26
GB1566582A (en) 1980-05-08
ES463011A1 (en) 1978-12-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee

Effective date: 19970401