FR476452A - Machine for cutting or polishing gems or precious stones - Google Patents

Machine for cutting or polishing gems or precious stones

Info

Publication number
FR476452A
FR476452A FR476452DA FR476452A FR 476452 A FR476452 A FR 476452A FR 476452D A FR476452D A FR 476452DA FR 476452 A FR476452 A FR 476452A
Authority
FR
France
Prior art keywords
cutting
machine
precious stones
gems
polishing
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.)
STERN COLEMAN DIAMOND MACHINE
Original Assignee
STERN COLEMAN DIAMOND MACHINE
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 STERN COLEMAN DIAMOND MACHINE filed Critical STERN COLEMAN DIAMOND MACHINE
Application granted granted Critical
Publication of FR476452A publication Critical patent/FR476452A/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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/16—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
FR476452D 1914-04-23 1914-04-23 Machine for cutting or polishing gems or precious stones Expired FR476452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR476452T 1914-04-23

Publications (1)

Publication Number Publication Date
FR476452A true FR476452A (en) 1915-08-05

Family

ID=1514229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR476452D Expired FR476452A (en) 1914-04-23 1914-04-23 Machine for cutting or polishing gems or precious stones

Country Status (1)

Country Link
FR (1) FR476452A (en)

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