FR2179993B1 - - Google Patents

Info

Publication number
FR2179993B1
FR2179993B1 FR7313110A FR7313110A FR2179993B1 FR 2179993 B1 FR2179993 B1 FR 2179993B1 FR 7313110 A FR7313110 A FR 7313110A FR 7313110 A FR7313110 A FR 7313110A FR 2179993 B1 FR2179993 B1 FR 2179993B1
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
FR7313110A
Other languages
French (fr)
Other versions
FR2179993A1 (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.)
Wieland Werke AG
Original Assignee
Wieland Werke AG
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 DE19722217580 external-priority patent/DE2217580C/en
Application filed by Wieland Werke AG filed Critical Wieland Werke AG
Publication of FR2179993A1 publication Critical patent/FR2179993A1/fr
Application granted granted Critical
Publication of FR2179993B1 publication Critical patent/FR2179993B1/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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Forging (AREA)
  • Metal Extraction Processes (AREA)
FR7313110A 1972-04-12 1973-04-11 Expired FR2179993B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722217580 DE2217580C (en) 1972-04-12 Device for butting elongated workpieces with a circular cross-section

Publications (2)

Publication Number Publication Date
FR2179993A1 FR2179993A1 (en) 1973-11-23
FR2179993B1 true FR2179993B1 (en) 1977-02-04

Family

ID=5841723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7313110A Expired FR2179993B1 (en) 1972-04-12 1973-04-11

Country Status (6)

Country Link
US (1) US3798946A (en)
JP (1) JPS587377B2 (en)
CA (1) CA982879A (en)
CH (1) CH575787A5 (en)
FR (1) FR2179993B1 (en)
GB (1) GB1413003A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56160631U (en) * 1980-04-25 1981-11-30
JP6252371B2 (en) * 2014-06-19 2017-12-27 日立金属株式会社 Forging mold and forging method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1418697A (en) * 1919-02-11 1922-06-06 Gen Seamless Tube Company Tube and rod tapering
US3041990A (en) * 1959-10-09 1962-07-03 Fiell Cecil K Le Tube tapering machine
DE1285433B (en) * 1964-10-14 1968-12-19 Wieland Werke Ag Device for tapering elongated workpieces with a circular cross-section

Also Published As

Publication number Publication date
JPS4910150A (en) 1974-01-29
FR2179993A1 (en) 1973-11-23
US3798946A (en) 1974-03-26
DE2217580B2 (en) 1972-10-26
CA982879A (en) 1976-02-03
DE2217580A1 (en) 1972-10-26
GB1413003A (en) 1975-11-05
CH575787A5 (en) 1976-05-31
JPS587377B2 (en) 1983-02-09

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
ST Notification of lapse