CA982879A - Device for the conical tapering of elongated workpieces having a circular cross section - Google Patents

Device for the conical tapering of elongated workpieces having a circular cross section

Info

Publication number
CA982879A
CA982879A CA168,455A CA168455A CA982879A CA 982879 A CA982879 A CA 982879A CA 168455 A CA168455 A CA 168455A CA 982879 A CA982879 A CA 982879A
Authority
CA
Canada
Prior art keywords
section
circular cross
elongated workpieces
conical tapering
tapering
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
CA168,455A
Other versions
CA168455S (en
Inventor
Eberhard Thamasett
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.)
BOHNER AND KOHLE MASCHINENFABRIK
Original Assignee
BOHNER AND KOHLE MASCHINENFABRIK
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 BOHNER AND KOHLE MASCHINENFABRIK filed Critical BOHNER AND KOHLE MASCHINENFABRIK
Application granted granted Critical
Publication of CA982879A publication Critical patent/CA982879A/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)
  • Metal Extraction Processes (AREA)
  • Forging (AREA)
  • Turning (AREA)
CA168,455A 1972-04-12 1973-04-11 Device for the conical tapering of elongated workpieces having a circular cross section Expired CA982879A (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
CA982879A true CA982879A (en) 1976-02-03

Family

ID=5841723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,455A Expired CA982879A (en) 1972-04-12 1973-04-11 Device for the conical tapering of elongated workpieces having a 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
CH575787A5 (en) 1976-05-31
FR2179993B1 (en) 1977-02-04
JPS587377B2 (en) 1983-02-09
GB1413003A (en) 1975-11-05
FR2179993A1 (en) 1973-11-23
JPS4910150A (en) 1974-01-29
DE2217580B2 (en) 1972-10-26
US3798946A (en) 1974-03-26
DE2217580A1 (en) 1972-10-26

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