CH575787A5 - - Google Patents

Info

Publication number
CH575787A5
CH575787A5 CH398273A CH398273A CH575787A5 CH 575787 A5 CH575787 A5 CH 575787A5 CH 398273 A CH398273 A CH 398273A CH 398273 A CH398273 A CH 398273A CH 575787 A5 CH575787 A5 CH 575787A5
Authority
CH
Switzerland
Application number
CH398273A
Original Assignee
Bohner & Koehle
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/de
Application filed by Bohner & Koehle filed Critical Bohner & Koehle
Publication of CH575787A5 publication Critical patent/CH575787A5/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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)
CH398273A 1972-04-12 1973-03-19 CH575787A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722217580 DE2217580C (de) 1972-04-12 Vorrichtung zum Konifizieren langgestreckter Werkstücke kreisrunden Querschnitts

Publications (1)

Publication Number Publication Date
CH575787A5 true CH575787A5 (enrdf_load_stackoverflow) 1976-05-31

Family

ID=5841723

Family Applications (1)

Application Number Title Priority Date Filing Date
CH398273A CH575787A5 (enrdf_load_stackoverflow) 1972-04-12 1973-03-19

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56160631U (enrdf_load_stackoverflow) * 1980-04-25 1981-11-30
JP6252371B2 (ja) * 2014-06-19 2017-12-27 日立金属株式会社 鍛造金型および鍛造方法

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 (de) * 1964-10-14 1968-12-19 Wieland Werke Ag Vorrichtung zum Konifizieren langgestreckter Werkstuecke kreisrunden Querschnitts

Also Published As

Publication number Publication date
DE2217580A1 (enrdf_load_stackoverflow) 1972-10-26
GB1413003A (en) 1975-11-05
JPS4910150A (enrdf_load_stackoverflow) 1974-01-29
FR2179993A1 (enrdf_load_stackoverflow) 1973-11-23
DE2217580B2 (de) 1972-10-26
CA982879A (en) 1976-02-03
US3798946A (en) 1974-03-26
FR2179993B1 (enrdf_load_stackoverflow) 1977-02-04
JPS587377B2 (ja) 1983-02-09

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased