FR838357A - Method and apparatus for manufacturing hollow balls - Google Patents

Method and apparatus for manufacturing hollow balls

Info

Publication number
FR838357A
FR838357A FR838357DA FR838357A FR 838357 A FR838357 A FR 838357A FR 838357D A FR838357D A FR 838357DA FR 838357 A FR838357 A FR 838357A
Authority
FR
France
Prior art keywords
hollow balls
manufacturing hollow
manufacturing
balls
hollow
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
Other languages
French (fr)
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.)
TOYO TOKUSHU IMONO KABUSHIKI K
Original Assignee
TOYO TOKUSHU IMONO KABUSHIKI K
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 TOYO TOKUSHU IMONO KABUSHIKI K filed Critical TOYO TOKUSHU IMONO KABUSHIKI K
Application granted granted Critical
Publication of FR838357A publication Critical patent/FR838357A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/04—Centrifugal casting; Casting by using centrifugal force of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR838357D 1938-05-23 1938-05-23 Method and apparatus for manufacturing hollow balls Expired FR838357A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR838357T 1938-05-23

Publications (1)

Publication Number Publication Date
FR838357A true FR838357A (en) 1939-03-03

Family

ID=9299017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838357D Expired FR838357A (en) 1938-05-23 1938-05-23 Method and apparatus for manufacturing hollow balls

Country Status (1)

Country Link
FR (1) FR838357A (en)

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