FR412685A - Machine pour fabriquer les griffes destinées à sertir les pierres précieuses - Google Patents

Machine pour fabriquer les griffes destinées à sertir les pierres précieuses

Info

Publication number
FR412685A
FR412685A FR412685DA FR412685A FR 412685 A FR412685 A FR 412685A FR 412685D A FR412685D A FR 412685DA FR 412685 A FR412685 A FR 412685A
Authority
FR
France
Prior art keywords
claws
making
machine
precious stones
setting precious
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
English (en)
Inventor
Emil Heinrich Fetzer
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.)
EMIL HEINRICH FETZER
Original Assignee
EMIL HEINRICH FETZER
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 EMIL HEINRICH FETZER filed Critical EMIL HEINRICH FETZER
Application granted granted Critical
Publication of FR412685A publication Critical patent/FR412685A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR412685D 1910-02-16 1910-02-16 Machine pour fabriquer les griffes destinées à sertir les pierres précieuses Expired FR412685A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR412685T 1910-02-16

Publications (1)

Publication Number Publication Date
FR412685A true FR412685A (fr) 1910-07-19

Family

ID=1456529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR412685D Expired FR412685A (fr) 1910-02-16 1910-02-16 Machine pour fabriquer les griffes destinées à sertir les pierres précieuses

Country Status (1)

Country Link
FR (1) FR412685A (fr)

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