FR2391008A1 - Helically wound metal tube making machine - has ribbed rotary mandrel with crescent section part casing for profiling bending and welding - Google Patents

Helically wound metal tube making machine - has ribbed rotary mandrel with crescent section part casing for profiling bending and welding

Info

Publication number
FR2391008A1
FR2391008A1 FR7714838A FR7714838A FR2391008A1 FR 2391008 A1 FR2391008 A1 FR 2391008A1 FR 7714838 A FR7714838 A FR 7714838A FR 7714838 A FR7714838 A FR 7714838A FR 2391008 A1 FR2391008 A1 FR 2391008A1
Authority
FR
France
Prior art keywords
mandrel
strip
welding
bending
profiling
Prior art date
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.)
Granted
Application number
FR7714838A
Other languages
French (fr)
Other versions
FR2391008B1 (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.)
RUDOLPH SARL TUYAUX FLEXIBLES
Original Assignee
RUDOLPH SARL TUYAUX FLEXIBLES
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 RUDOLPH SARL TUYAUX FLEXIBLES filed Critical RUDOLPH SARL TUYAUX FLEXIBLES
Priority to FR7714838A priority Critical patent/FR2391008A1/en
Publication of FR2391008A1 publication Critical patent/FR2391008A1/en
Application granted granted Critical
Publication of FR2391008B1 publication Critical patent/FR2391008B1/fr
Granted 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
    • B21C37/12—Making tubes or metal hoses with helically arranged 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

The machine makes metal tubes from spirally wound, ribbed and welded metal strip. A single rotating mandrel (2) is used for the bending, the profiling, and the welding, so that the machine is lightweight and readily produces large diameter tube. The bending and profiling operations may take place simultaneously at a single post, deforming plain strip (10) into a winged 'U' section whilst bending it into longitudinal spirals. A curved guide (1) with a tapered rib presses the strip (10) between two adjacent circumferential ribs (6) of the mandrel. The deformed strip automatically advances along the mandrel and moves onto a crescent shaped former (8). This has an inside diameter equal to the external diameter of the mandrel (2) and houses at least 180 deg. of the circumference of the mandrel. The former (8) applies a circumferential tension to the strip, for a tight overlapping of successive windings ready for welding (25).
FR7714838A 1977-05-16 1977-05-16 Helically wound metal tube making machine - has ribbed rotary mandrel with crescent section part casing for profiling bending and welding Granted FR2391008A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7714838A FR2391008A1 (en) 1977-05-16 1977-05-16 Helically wound metal tube making machine - has ribbed rotary mandrel with crescent section part casing for profiling bending and welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7714838A FR2391008A1 (en) 1977-05-16 1977-05-16 Helically wound metal tube making machine - has ribbed rotary mandrel with crescent section part casing for profiling bending and welding

Publications (2)

Publication Number Publication Date
FR2391008A1 true FR2391008A1 (en) 1978-12-15
FR2391008B1 FR2391008B1 (en) 1982-07-30

Family

ID=9190820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7714838A Granted FR2391008A1 (en) 1977-05-16 1977-05-16 Helically wound metal tube making machine - has ribbed rotary mandrel with crescent section part casing for profiling bending and welding

Country Status (1)

Country Link
FR (1) FR2391008A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118204692A (en) * 2024-05-21 2024-06-18 四川省怀德建设工程有限公司 Building material welding construction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118204692A (en) * 2024-05-21 2024-06-18 四川省怀德建设工程有限公司 Building material welding construction device

Also Published As

Publication number Publication date
FR2391008B1 (en) 1982-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
DI Inadmissibility of an action of restoration