FR590998A - Optical lens piercing machine - Google Patents

Optical lens piercing machine

Info

Publication number
FR590998A
FR590998A FR590998DA FR590998A FR 590998 A FR590998 A FR 590998A FR 590998D A FR590998D A FR 590998DA FR 590998 A FR590998 A FR 590998A
Authority
FR
France
Prior art keywords
optical lens
piercing machine
lens piercing
machine
optical
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
Georges Greffier
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 FR590998A publication Critical patent/FR590998A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • B28D1/143—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling lens-drilling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
FR590998D 1924-02-29 1924-02-29 Optical lens piercing machine Expired FR590998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR590998T 1924-02-29

Publications (1)

Publication Number Publication Date
FR590998A true FR590998A (en) 1925-06-26

Family

ID=8963827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR590998D Expired FR590998A (en) 1924-02-29 1924-02-29 Optical lens piercing machine

Country Status (1)

Country Link
FR (1) FR590998A (en)

Similar Documents

Publication Publication Date Title
FR866865A (en) Advanced optical glasses
FR595525A (en) Sewing machine
FR590998A (en) Optical lens piercing machine
FR844516A (en) Optical projection device
FR639707A (en) Optical glass cutting machine
FR519375A (en) Optical lens cutting machine
FR588638A (en) Improvements in optical lens flattening machines
FR34051E (en) Optical glass cutting machine
FR589683A (en) Can opening machine
FR536688A (en) Optical lens frame
FR519016A (en) Machine for grinding the edges of optical glasses
FR587405A (en) Reproducing machine
FR714260A (en) Optical lens surfacing machine
FR822886A (en) Optical device
FR593143A (en) Overlock machine
FR581014A (en) screen with optical device for light projections
FR805328A (en) Indirect vision optical device
FR829964A (en) Optical device
FR589474A (en) Sewing machine
FR595693A (en) Universal splicing machine
FR601121A (en) Regulator for spinning machines
FR841512A (en) Optical profile grinding machine
FR610082A (en) Beet harvester
FR576338A (en) Bottle making machine
FR29563E (en) Drawing device for spinning machines