JPS521912B2 - - Google Patents

Info

Publication number
JPS521912B2
JPS521912B2 JP3251974A JP3251974A JPS521912B2 JP S521912 B2 JPS521912 B2 JP S521912B2 JP 3251974 A JP3251974 A JP 3251974A JP 3251974 A JP3251974 A JP 3251974A JP S521912 B2 JPS521912 B2 JP S521912B2
Authority
JP
Japan
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
JP3251974A
Other versions
JPS50125960A (ja
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
Priority to JP3251974A priority Critical patent/JPS521912B2/ja
Priority to IT5223174A priority patent/IT1016957B/it
Priority to DE19742436069 priority patent/DE2436069A1/de
Priority to FR7428402A priority patent/FR2265472A1/fr
Publication of JPS50125960A publication Critical patent/JPS50125960A/ja
Publication of JPS521912B2 publication Critical patent/JPS521912B2/ja
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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
    • 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
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
    • B21C37/185—Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Rolling (AREA)
JP3251974A 1974-03-25 1974-03-25 Expired JPS521912B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3251974A JPS521912B2 (ja) 1974-03-25 1974-03-25
IT5223174A IT1016957B (it) 1974-03-25 1974-07-23 Apparato per produrre in continuo pali rastremati
DE19742436069 DE2436069A1 (de) 1974-03-25 1974-07-26 Vorrichtung zum kontinuierlichen herstellen eines konischen rohres
FR7428402A FR2265472A1 (en) 1974-03-25 1974-08-19 Conical tube rolling mill - with four-roll stands in rough and two finish conicity sections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3251974A JPS521912B2 (ja) 1974-03-25 1974-03-25

Publications (2)

Publication Number Publication Date
JPS50125960A JPS50125960A (ja) 1975-10-03
JPS521912B2 true JPS521912B2 (ja) 1977-01-18

Family

ID=12361200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3251974A Expired JPS521912B2 (ja) 1974-03-25 1974-03-25

Country Status (4)

Country Link
JP (1) JPS521912B2 (ja)
DE (1) DE2436069A1 (ja)
FR (1) FR2265472A1 (ja)
IT (1) IT1016957B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108530A (ja) * 1983-11-17 1985-06-14 Iwao Maeyama ２サイクルエンジン
JPH0529767B2 (ja) * 1987-06-12 1993-05-06 Kawasaki Heavy Ind Ltd

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5461896A (en) * 1994-02-18 1995-10-31 Abbey Etna Machine Company Automated changeover tube mill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108530A (ja) * 1983-11-17 1985-06-14 Iwao Maeyama ２サイクルエンジン
JPH0529767B2 (ja) * 1987-06-12 1993-05-06 Kawasaki Heavy Ind Ltd

Also Published As

Publication number Publication date
IT1016957B (it) 1977-06-20
FR2265472A1 (en) 1975-10-24
JPS50125960A (ja) 1975-10-03
DE2436069A1 (de) 1975-10-02

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