FR680299A - Lapping machines - Google Patents

Lapping machines

Info

Publication number
FR680299A
FR680299A FR680299DA FR680299A FR 680299 A FR680299 A FR 680299A FR 680299D A FR680299D A FR 680299DA FR 680299 A FR680299 A FR 680299A
Authority
FR
France
Prior art keywords
lapping machines
lapping
machines
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)
Inventor
Felix-Pierre Passemar
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 filed Critical
Application granted granted Critical
Publication of FR680299A publication Critical patent/FR680299A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/12—Mechanical drives with means for varying the speed ratio
    • B23Q5/14—Mechanical drives with means for varying the speed ratio step-by-step

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR680299D 1929-08-14 1929-08-14 Lapping machines Expired FR680299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680299T 1929-08-14

Publications (1)

Publication Number Publication Date
FR680299A true FR680299A (en) 1930-04-28

Family

ID=9022173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680299D Expired FR680299A (en) 1929-08-14 1929-08-14 Lapping machines

Country Status (1)

Country Link
FR (1) FR680299A (en)

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