GB1413003A - Machine for reducing the diameter of elongated workpieces of circular cross-section - Google Patents

Machine for reducing the diameter of elongated workpieces of circular cross-section

Info

Publication number
GB1413003A
GB1413003A GB1642273A GB1642273A GB1413003A GB 1413003 A GB1413003 A GB 1413003A GB 1642273 A GB1642273 A GB 1642273A GB 1642273 A GB1642273 A GB 1642273A GB 1413003 A GB1413003 A GB 1413003A
Authority
GB
United Kingdom
Prior art keywords
reducing
diameter
machine
section
circular cross
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.)
Expired
Application number
GB1642273A
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 GB1413003A publication Critical patent/GB1413003A/en
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)
  • Forging (AREA)
  • Metal Extraction Processes (AREA)
  • Turning (AREA)
GB1642273A 1972-04-12 1973-04-05 Machine for reducing the diameter of elongated workpieces of circular cross-section Expired GB1413003A (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 (1)

Publication Number Publication Date
GB1413003A true GB1413003A (en) 1975-11-05

Family

ID=5841723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1642273A Expired GB1413003A (en) 1972-04-12 1973-04-05 Machine for reducing the diameter of elongated workpieces of circular cross-section

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
JPS587377B2 (en) 1983-02-09
DE2217580B2 (en) 1972-10-26
JPS4910150A (en) 1974-01-29
DE2217580A1 (en) 1972-10-26
US3798946A (en) 1974-03-26
CA982879A (en) 1976-02-03
FR2179993B1 (en) 1977-02-04
FR2179993A1 (en) 1973-11-23
CH575787A5 (en) 1976-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee