DE848138C - Method and apparatus for producing small cavities, in particular of hemispherical shape, e.g. B. of pans for ball joints - Google Patents

Method and apparatus for producing small cavities, in particular of hemispherical shape, e.g. B. of pans for ball joints

Info

Publication number
DE848138C
DE848138C DED1547D DED0001547D DE848138C DE 848138 C DE848138 C DE 848138C DE D1547 D DED1547 D DE D1547D DE D0001547 D DED0001547 D DE D0001547D DE 848138 C DE848138 C DE 848138C
Authority
DE
Germany
Prior art keywords
pans
hemispherical shape
ball joints
small cavities
producing small
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
DED1547D
Other languages
German (de)
Inventor
Ludwig Michelberger
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.)
Daimler Benz AG
Original Assignee
Daimler Benz 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
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Priority to DED1547D priority Critical patent/DE848138C/en
Application granted granted Critical
Publication of DE848138C publication Critical patent/DE848138C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B5/00Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/36Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
    • B23B5/40Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning spherical surfaces inside or outside
DED1547D 1942-01-20 1942-01-20 Method and apparatus for producing small cavities, in particular of hemispherical shape, e.g. B. of pans for ball joints Expired DE848138C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED1547D DE848138C (en) 1942-01-20 1942-01-20 Method and apparatus for producing small cavities, in particular of hemispherical shape, e.g. B. of pans for ball joints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED1547D DE848138C (en) 1942-01-20 1942-01-20 Method and apparatus for producing small cavities, in particular of hemispherical shape, e.g. B. of pans for ball joints

Publications (1)

Publication Number Publication Date
DE848138C true DE848138C (en) 1952-09-01

Family

ID=7029350

Family Applications (1)

Application Number Title Priority Date Filing Date
DED1547D Expired DE848138C (en) 1942-01-20 1942-01-20 Method and apparatus for producing small cavities, in particular of hemispherical shape, e.g. B. of pans for ball joints

Country Status (1)

Country Link
DE (1) DE848138C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223152A1 (en) * 1985-11-06 1987-05-27 Gebr. Heller Maschinenfabrik GmbH Device for working the internal spherical curved surfaces of a tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE155156C (en) *
US1435453A (en) * 1920-03-09 1922-11-14 Skayef Ball Bearing Company Metal-working machine
DE645307C (en) * 1935-05-12 1937-05-25 Pittler Werkzeugmaschinenfab Device for automatic swivel arms for turning ball tracks
US2104238A (en) * 1936-04-29 1938-01-04 Kenneth N Nichols Lathe tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE155156C (en) *
US1435453A (en) * 1920-03-09 1922-11-14 Skayef Ball Bearing Company Metal-working machine
DE645307C (en) * 1935-05-12 1937-05-25 Pittler Werkzeugmaschinenfab Device for automatic swivel arms for turning ball tracks
US2104238A (en) * 1936-04-29 1938-01-04 Kenneth N Nichols Lathe tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223152A1 (en) * 1985-11-06 1987-05-27 Gebr. Heller Maschinenfabrik GmbH Device for working the internal spherical curved surfaces of a tool

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