FR2020909B1 - - Google Patents

Info

Publication number
FR2020909B1
FR2020909B1 FR6935424A FR6935424A FR2020909B1 FR 2020909 B1 FR2020909 B1 FR 2020909B1 FR 6935424 A FR6935424 A FR 6935424A FR 6935424 A FR6935424 A FR 6935424A FR 2020909 B1 FR2020909 B1 FR 2020909B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR6935424A
Other languages
French (fr)
Other versions
FR2020909A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vulcan Australia Ltd
Original Assignee
Vulcan Australia Ltd
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
Priority claimed from AU44936/68A external-priority patent/AU417205B2/en
Application filed by Vulcan Australia Ltd filed Critical Vulcan Australia Ltd
Publication of FR2020909A1 publication Critical patent/FR2020909A1/fr
Application granted granted Critical
Publication of FR2020909B1 publication Critical patent/FR2020909B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21C37/156—Making tubes with wall irregularities
    • B21C37/157—Perforations
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/121—Making tubes or metal hoses with helically arranged seams with non-welded and non-soldered seams
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
    • 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
    • F16L9/06—Corrugated pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
FR6935424A 1968-10-17 1969-10-16 Expired FR2020909B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU44936/68A AU417205B2 (en) 1968-10-17 1968-10-17 Improved helically wound tubing
AU5486369 1969-05-12

Publications (2)

Publication Number Publication Date
FR2020909A1 FR2020909A1 (en) 1970-07-17
FR2020909B1 true FR2020909B1 (en) 1977-01-21

Family

ID=25626989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6935424A Expired FR2020909B1 (en) 1968-10-17 1969-10-16

Country Status (8)

Country Link
JP (1) JPS4925828B1 (en)
CA (2) CA918085A (en)
FR (1) FR2020909B1 (en)
GB (1) GB1237325A (en)
IE (1) IE33977B1 (en)
IL (1) IL33181A (en)
NL (1) NL6915752A (en)
SE (1) SE374677B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012625A (en) * 1975-09-05 1977-03-15 Honeywell Information Systems, Inc. Non-logic printed wiring board test system
DE3540125C3 (en) * 1985-11-13 1997-05-07 Hahn Fritz Gmbh Co Kg Method and device for producing a corrugated tube by helically winding a corrugated, thin strip, preferably a steel strip
GB0106819D0 (en) 2001-03-20 2001-05-09 Weatherford Lamb Tube manufacture

Also Published As

Publication number Publication date
FR2020909A1 (en) 1970-07-17
IL33181A (en) 1974-09-10
CA918085A (en) 1973-01-02
IE33977L (en) 1970-04-17
NL6915752A (en) 1970-04-21
IL33181A0 (en) 1969-12-31
CA927212A (en) 1973-05-29
IE33977B1 (en) 1974-12-30
SE374677B (en) 1975-03-17
GB1237325A (en) 1971-06-30
JPS4925828B1 (en) 1974-07-03

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Legal Events

Date Code Title Description
TP Transmission of property
AR Application made for restoration
JD Different final judgements