FR484156A - Manufacturing process of multifocal lenses for glasses - Google Patents

Manufacturing process of multifocal lenses for glasses

Info

Publication number
FR484156A
FR484156A FR484156DA FR484156A FR 484156 A FR484156 A FR 484156A FR 484156D A FR484156D A FR 484156DA FR 484156 A FR484156 A FR 484156A
Authority
FR
France
Prior art keywords
glasses
manufacturing process
multifocal lenses
multifocal
lenses
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
Henry Orford Gowlland
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 FR484156A publication Critical patent/FR484156A/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
    • 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
    • B24B13/0012—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for multifocal lenses
    • 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
    • B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
    • B24B13/012—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane
FR484156D 1916-12-30 1917-01-11 Manufacturing process of multifocal lenses for glasses Expired FR484156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1868116A GB112297A (en) 1916-12-30 1916-12-30 Process for Manufacturing Multi-focal Eyeglass Lenses.

Publications (1)

Publication Number Publication Date
FR484156A true FR484156A (en) 1917-09-12

Family

ID=32484208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR484156D Expired FR484156A (en) 1916-12-30 1917-01-11 Manufacturing process of multifocal lenses for glasses

Country Status (2)

Country Link
FR (1) FR484156A (en)
GB (1) GB112297A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387737A1 (en) * 1977-04-21 1978-11-17 American Optical Corp ADAPTER FOR LENS SURFACE TREATMENT TOOL
FR2458357A1 (en) * 1979-06-06 1981-01-02 American Optical Corp POLISHING HEAD FOR OPHTHALMIC LENSES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387737A1 (en) * 1977-04-21 1978-11-17 American Optical Corp ADAPTER FOR LENS SURFACE TREATMENT TOOL
FR2458357A1 (en) * 1979-06-06 1981-01-02 American Optical Corp POLISHING HEAD FOR OPHTHALMIC LENSES

Also Published As

Publication number Publication date
GB112297A (en) 1917-12-31

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