NL4190C - - Google Patents

Info

Publication number
NL4190C
NL4190C NL4190DA NL4190C NL 4190 C NL4190 C NL 4190C NL 4190D A NL4190D A NL 4190DA NL 4190 C NL4190 C NL 4190C
Authority
NL
Netherlands
Application number
Publication of NL4190C publication Critical patent/NL4190C/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines 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
    • B24B9/06Machines 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
    • B24B9/16Machines 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
    • B24B9/161Dops, dop holders

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
NL4190D NL4190C (fr)

Publications (1)

Publication Number Publication Date
NL4190C true NL4190C (fr)

Family

ID=1774693

Family Applications (1)

Application Number Title Priority Date Filing Date
NL4190D NL4190C (fr)

Country Status (1)

Country Link
NL (1) NL4190C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517770A (en) * 1980-11-26 1985-05-21 Alec Leibowitz Gemstone polishing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517770A (en) * 1980-11-26 1985-05-21 Alec Leibowitz Gemstone polishing machine

Similar Documents

Publication Publication Date Title
US4738240A (en) Process for cutting a diamond to provide an invisible mounting
US9488588B2 (en) Gemstone registration system
US10036711B2 (en) Gemstone registration and recovery system, and systems for evaluating the light performance of a gemstone and capturing forensic characteristics of a gemstone
US4517770A (en) Gemstone polishing machine
ZA202105843B (en) A gemstone polishing robot
US740902A (en) Holder for cutting precious stones.
US1227243A (en) Edging-machine.
US886310A (en) Jewel-cupping machine.
GB2037196B (en) Gem stone polishing machines
US1124883A (en) Grinding-machine.
US1504358A (en) Machine for cutting diamonds
RU2203795C2 (ru) Устройство для обработки граней алмаза сложной морфологической формы
GB1205220A (en) Device for use in cutting or polishing gem stones
RU2210481C2 (ru) Приспособление для огранки алмазов
WO2003053632A2 (fr) Systeme et procede de polissage automatique de pierres precieuses
GB647538A (en) Improvements in or relating to apparatus for polishing precious stones
RU2001116640A (ru) Устройство для обработки граней алмаза сложной морфологической формы
RU2001116636A (ru) Приспособление для огранки алмазов
NL4190C (fr)