FR928749A - Advanced machines for grinding and polishing dies for stretching metal film - Google Patents

Advanced machines for grinding and polishing dies for stretching metal film

Info

Publication number
FR928749A
FR928749A FR928749DA FR928749A FR 928749 A FR928749 A FR 928749A FR 928749D A FR928749D A FR 928749DA FR 928749 A FR928749 A FR 928749A
Authority
FR
France
Prior art keywords
grinding
metal film
stretching metal
advanced machines
dies
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Application granted granted Critical
Publication of FR928749A publication Critical patent/FR928749A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
    • B24B5/485—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies using grinding wires or ropes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR928749D 1941-03-27 1946-04-24 Advanced machines for grinding and polishing dies for stretching metal film Expired FR928749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB928749X 1941-03-27

Publications (1)

Publication Number Publication Date
FR928749A true FR928749A (en) 1947-12-05

Family

ID=10728086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928749D Expired FR928749A (en) 1941-03-27 1946-04-24 Advanced machines for grinding and polishing dies for stretching metal film

Country Status (1)

Country Link
FR (1) FR928749A (en)

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