FR995521A - Process and devices for the manufacture of optical glasses - Google Patents

Process and devices for the manufacture of optical glasses

Info

Publication number
FR995521A
FR995521A FR995521DA FR995521A FR 995521 A FR995521 A FR 995521A FR 995521D A FR995521D A FR 995521DA FR 995521 A FR995521 A FR 995521A
Authority
FR
France
Prior art keywords
manufacture
devices
optical glasses
glasses
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)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR995521A publication Critical patent/FR995521A/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
    • 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
    • B24B13/023—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 for grinding several lenses simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR995521D 1945-03-19 1945-03-19 Process and devices for the manufacture of optical glasses Expired FR995521A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR995521T 1945-03-19

Publications (1)

Publication Number Publication Date
FR995521A true FR995521A (en) 1951-12-04

Family

ID=9557205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR995521D Expired FR995521A (en) 1945-03-19 1945-03-19 Process and devices for the manufacture of optical glasses

Country Status (1)

Country Link
FR (1) FR995521A (en)

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