FR327311A - Nouvelle machine produisant mécaniquement la taille des lentilles de toutes dimensions et de toutes faces régulières : sphériques, elliptiques, paraboliques, hyperboliques, etc. - Google Patents

Nouvelle machine produisant mécaniquement la taille des lentilles de toutes dimensions et de toutes faces régulières : sphériques, elliptiques, paraboliques, hyperboliques, etc.

Info

Publication number
FR327311A
FR327311A FR327311DA FR327311A FR 327311 A FR327311 A FR 327311A FR 327311D A FR327311D A FR 327311DA FR 327311 A FR327311 A FR 327311A
Authority
FR
France
Prior art keywords
hyperbolic
parabolic
elliptical
lenses
spherical
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
Germain
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR327311A publication Critical patent/FR327311A/fr
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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/0031—Machines having several working posts; Feeding and manipulating devices
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
    • B24B13/026—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made the contact between tool and workpiece being a line

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR327311D 1902-12-13 1902-12-13 Nouvelle machine produisant mécaniquement la taille des lentilles de toutes dimensions et de toutes faces régulières : sphériques, elliptiques, paraboliques, hyperboliques, etc. Expired FR327311A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR327311T 1902-12-13

Publications (1)

Publication Number Publication Date
FR327311A true FR327311A (fr) 1903-06-19

Family

ID=1377303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR327311D Expired FR327311A (fr) 1902-12-13 1902-12-13 Nouvelle machine produisant mécaniquement la taille des lentilles de toutes dimensions et de toutes faces régulières : sphériques, elliptiques, paraboliques, hyperboliques, etc.

Country Status (1)

Country Link
FR (1) FR327311A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510113A (en) * 1945-03-17 1950-06-06 Arthur J Holman Machine for grinding lenses
US3210786A (en) * 1962-06-12 1965-10-12 Peltzer & Ehlers Maschinenfabr Machines for chamfering elements such as screws and bolts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510113A (en) * 1945-03-17 1950-06-06 Arthur J Holman Machine for grinding lenses
US3210786A (en) * 1962-06-12 1965-10-12 Peltzer & Ehlers Maschinenfabr Machines for chamfering elements such as screws and bolts

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