DE2217580A1 - - Google Patents

Info

Publication number
DE2217580A1
DE2217580A1 DE19722217580 DE2217580A DE2217580A1 DE 2217580 A1 DE2217580 A1 DE 2217580A1 DE 19722217580 DE19722217580 DE 19722217580 DE 2217580 A DE2217580 A DE 2217580A DE 2217580 A1 DE2217580 A1 DE 2217580A1
Authority
DE
Germany
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
DE19722217580
Other languages
German (de)
Other versions
DE2217580C (en
DE2217580B2 (en
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
Priority to DE19722217580 priority Critical patent/DE2217580C/en
Application filed filed Critical
Publication of DE2217580B2 publication Critical patent/DE2217580B2/en
Publication of DE2217580A1 publication Critical patent/DE2217580A1/de
Priority to CH398273A priority patent/CH575787A5/xx
Priority to GB1642273A priority patent/GB1413003A/en
Priority to US00348707A priority patent/US3798946A/en
Priority to CA168,455A priority patent/CA982879A/en
Priority to JP48041197A priority patent/JPS587377B2/en
Priority to FR7313110A priority patent/FR2179993B1/fr
Publication of DE2217580C publication Critical patent/DE2217580C/en
Application granted granted Critical
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)
DE19722217580 1972-04-12 1972-04-12 Device for butting elongated workpieces with a circular cross-section Expired DE2217580C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19722217580 DE2217580C (en) 1972-04-12 Device for butting elongated workpieces with a circular cross-section
CH398273A CH575787A5 (en) 1972-04-12 1973-03-19
GB1642273A GB1413003A (en) 1972-04-12 1973-04-05 Machine for reducing the diameter of elongated workpieces of circular cross-section
US00348707A US3798946A (en) 1972-04-12 1973-04-06 Device for the conical tapering of elongated workpieces having a circular cross section
CA168,455A CA982879A (en) 1972-04-12 1973-04-11 Device for the conical tapering of elongated workpieces having a circular cross section
JP48041197A JPS587377B2 (en) 1972-04-12 1973-04-11 Enkei Oudanmen O Yuusuru Hosonagaikousakubutsuogenkeisurusouchi
FR7313110A FR2179993B1 (en) 1972-04-12 1973-04-11

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 (3)

Publication Number Publication Date
DE2217580B2 DE2217580B2 (en) 1972-10-26
DE2217580A1 true DE2217580A1 (en) 1972-10-26
DE2217580C DE2217580C (en) 1973-05-24

Family

ID=

Also Published As

Publication number Publication date
GB1413003A (en) 1975-11-05
CH575787A5 (en) 1976-05-31
CA982879A (en) 1976-02-03
US3798946A (en) 1974-03-26
FR2179993A1 (en) 1973-11-23
JPS4910150A (en) 1974-01-29
JPS587377B2 (en) 1983-02-09
DE2217580B2 (en) 1972-10-26
FR2179993B1 (en) 1977-02-04

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee