DE2750224C2 - - Google Patents

Info

Publication number
DE2750224C2
DE2750224C2 DE2750224A DE2750224A DE2750224C2 DE 2750224 C2 DE2750224 C2 DE 2750224C2 DE 2750224 A DE2750224 A DE 2750224A DE 2750224 A DE2750224 A DE 2750224A DE 2750224 C2 DE2750224 C2 DE 2750224C2
Authority
DE
Germany
Prior art keywords
cylinder
profile
roller
hollow cylinder
cylindrical
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 - Lifetime
Application number
DE2750224A
Other languages
German (de)
English (en)
Other versions
DE2750224A1 (de
Inventor
Pracheeschwar Swaroop Cambridge Mass. Us Mathur
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.)
General Electric Co
Original Assignee
General Electric Co
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
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE2750224A1 publication Critical patent/DE2750224A1/de
Application granted granted Critical
Publication of DE2750224C2 publication Critical patent/DE2750224C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • 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
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with annular guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE19772750224 1976-12-02 1977-11-10 Verfahren zur formgebung von hohlzylinder-teilen mit innenprofil Granted DE2750224A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/746,973 US4126029A (en) 1976-12-02 1976-12-02 Method of forming hollow cylindrical parts with internal contours

Publications (2)

Publication Number Publication Date
DE2750224A1 DE2750224A1 (de) 1978-06-08
DE2750224C2 true DE2750224C2 (forum.php) 1992-04-09

Family

ID=25003134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772750224 Granted DE2750224A1 (de) 1976-12-02 1977-11-10 Verfahren zur formgebung von hohlzylinder-teilen mit innenprofil

Country Status (8)

Country Link
US (1) US4126029A (forum.php)
JP (1) JPS5387970A (forum.php)
BE (1) BE861364A (forum.php)
CA (1) CA1075051A (forum.php)
DE (1) DE2750224A1 (forum.php)
FR (1) FR2372666A1 (forum.php)
GB (1) GB1592079A (forum.php)
IT (1) IT1088336B (forum.php)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758368C2 (de) * 1977-12-28 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur vorprogrammierbaren Infusion von Flüssigkeiten
JP2689819B2 (ja) * 1992-06-01 1997-12-10 株式会社豊田自動織機製作所 アクスルハウジングにおけるデフハウジング
DE19743627C2 (de) * 1997-10-02 2000-11-23 Mtu Friedrichshafen Gmbh Verfahren zur Herstellung einer Verengung der Zylinderbohrung einer Zylinderlaufbuchse
US6497104B1 (en) * 2000-10-30 2002-12-24 General Electric Company Damped combustion cowl structure
US20140093377A1 (en) * 2012-10-02 2014-04-03 General Electric Company Extruded rotor, a steam turbine having an extruded rotor and a method for producing an extruded rotor
EP3385005B1 (en) 2015-12-03 2020-11-25 Hitachi Metals, Ltd. Method for manufacturing ring-rolled product
US11077481B2 (en) 2015-12-03 2021-08-03 Hitachi Metals, Ltd. Method for manufacturing ring-rolled product
DE102016103946A1 (de) * 2016-03-04 2017-09-07 Leifeld Metal Spinning Ag Verfahren und Vorrichtung zum Umformen eines Werkstücks mit trommelförmiger Umfangswand

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296393C (forum.php) *
US1406895A (en) * 1916-08-02 1922-02-14 Reifurth Otto Apparatus for rolling tires
GB669257A (en) * 1950-03-24 1952-04-02 Ringfeder Gmbh Improvements in methods of fashioning rings by rolling
US3029667A (en) * 1955-08-31 1962-04-17 Lodge & Shipley Co Metal working
AT210717B (de) * 1958-04-21 1960-08-25 Lenin Kohaszati Muvek Verfahren zur Herstellung von Eisenbahnradreifen u. dgl.
US3160036A (en) * 1958-08-29 1964-12-08 Lockheed Aircraft Corp Roll-forming mill
US3382693A (en) * 1965-03-02 1968-05-14 Vni Kt I Podshipnikovoi Promy Ring rolling tool
IL25450A (en) * 1965-03-29 1970-07-19 Rotary Profile Anstalt Profiling of annular workpieces
GB1185716A (en) * 1966-01-04 1970-03-25 Rotary Profile Anstalt Improvements in or relating to Rolling Rings
US3576121A (en) * 1968-09-20 1971-04-27 Kinefac Corp Means for roll forming annular parts
US3685475A (en) * 1969-09-17 1972-08-22 Neill K Banks Jr Process for producing cup-shaped thin-walled metal wares
GB1344066A (en) * 1970-08-04 1974-01-16 Secr Defence Metal working
CA960884A (en) * 1971-02-22 1975-01-14 National Research Development Corporation Rolling machines
DE2431935A1 (de) * 1974-07-03 1976-01-22 Leifeld & Co Verfahren zur herstellung von lagerschalen fuer kugellager

Also Published As

Publication number Publication date
BE861364A (fr) 1978-03-16
JPS5387970A (en) 1978-08-02
FR2372666B1 (forum.php) 1983-05-27
FR2372666A1 (fr) 1978-06-30
US4126029A (en) 1978-11-21
JPS63137B2 (forum.php) 1988-01-05
IT1088336B (it) 1985-06-10
CA1075051A (en) 1980-04-08
GB1592079A (en) 1981-07-01
DE2750224A1 (de) 1978-06-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8328 Change in the person/name/address of the agent

Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee