IT983040B - PROCEDURE FOR THE MANUFACTURING OF PHOTOTROPE LENSES IN MULTIPLE THICKNESSES FOR GLASSES - Google Patents

PROCEDURE FOR THE MANUFACTURING OF PHOTOTROPE LENSES IN MULTIPLE THICKNESSES FOR GLASSES

Info

Publication number
IT983040B
IT983040B IT49730/73A IT4973073A IT983040B IT 983040 B IT983040 B IT 983040B IT 49730/73 A IT49730/73 A IT 49730/73A IT 4973073 A IT4973073 A IT 4973073A IT 983040 B IT983040 B IT 983040B
Authority
IT
Italy
Prior art keywords
phototrope
glasses
lenses
procedure
manufacturing
Prior art date
Application number
IT49730/73A
Other languages
Italian (it)
Original Assignee
Zeiss C
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 Zeiss C filed Critical Zeiss C
Application granted granted Critical
Publication of IT983040B publication Critical patent/IT983040B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • C03B23/22—Uniting glass lenses, e.g. forming bifocal lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102—Photochromic filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Eyeglasses (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Glass Compositions (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
IT49730/73A 1972-05-02 1973-04-30 PROCEDURE FOR THE MANUFACTURING OF PHOTOTROPE LENSES IN MULTIPLE THICKNESSES FOR GLASSES IT983040B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2221488A DE2221488B2 (en) 1972-05-02 1972-05-02 Process for the production of photochromic multifocal lenses

Publications (1)

Publication Number Publication Date
IT983040B true IT983040B (en) 1974-10-31

Family

ID=5843868

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49730/73A IT983040B (en) 1972-05-02 1973-04-30 PROCEDURE FOR THE MANUFACTURING OF PHOTOTROPE LENSES IN MULTIPLE THICKNESSES FOR GLASSES

Country Status (13)

Country Link
JP (4) JPS5312925B2 (en)
AT (1) AT322764B (en)
BE (1) BE798940A (en)
CA (1) CA1011111A (en)
CH (2) CH547504A (en)
DE (1) DE2221488B2 (en)
DK (1) DK144968C (en)
ES (1) ES414198A1 (en)
FR (1) FR2183138B1 (en)
GB (2) GB1396059A (en)
IT (1) IT983040B (en)
NL (1) NL153834B (en)
SE (2) SE394995B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221488B2 (en) * 1972-05-02 1975-06-19 Fa. Carl Zeiss, 7920 Heidenheim Process for the production of photochromic multifocal lenses
DE2609469C2 (en) * 1976-03-08 1983-05-11 Corning Glass Works, 14830 Corning, N.Y. Process for the production of photochromic, ophthalmic multifocall lenses
JPS52114341A (en) * 1976-03-22 1977-09-26 Corning Glass Works Method of manufacturing photochromic multiifocus spectacle lens
FR2346296A1 (en) * 1976-03-31 1977-10-28 Corning Glass Works Multifocal glass lens mfr. - using photochromic glass fused to another glass and heat treated
JPS58158318U (en) * 1982-04-17 1983-10-22 株式会社トーキン Laminated displacement element
JPS5937993U (en) * 1982-08-30 1984-03-10 日立冷熱株式会社 Heat exchange plate for cooling tower
JPS60177316A (en) * 1984-02-24 1985-09-11 Ngk Spark Plug Co Ltd Optical deflecting device
JPS61134726A (en) * 1984-12-06 1986-06-21 Ngk Spark Plug Co Ltd Optical deflector
JPS61132919A (en) * 1984-12-01 1986-06-20 Ngk Spark Plug Co Ltd Optical deflecting device
JP2006327844A (en) * 2005-05-23 2006-12-07 Olympus Corp Manufacturing method of optical element and its manufacturing apparatus
JP2008285377A (en) * 2007-05-18 2008-11-27 Panasonic Corp Joined optical element
JP2017048095A (en) * 2015-09-04 2017-03-09 旭硝子株式会社 Production method of glass

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR584639A (en) * 1924-08-14 1925-02-10 Optique Telegic Soc D Improvements in the manufacture of multiple focus lenses used in eyewear
DE514983C (en) * 1927-10-25 1930-12-20 Emil Busch Akt Ges Optische In Process for the production of a multi-thickness glass
US2026606A (en) * 1933-03-31 1936-01-07 Bausch & Lomb Means for making ophthalmic lenses
US3328182A (en) * 1963-06-24 1967-06-27 Corning Glass Works Phototropic glass article and method
DE2221488B2 (en) * 1972-05-02 1975-06-19 Fa. Carl Zeiss, 7920 Heidenheim Process for the production of photochromic multifocal lenses
JPS5853274B2 (en) * 1976-07-21 1983-11-28 石川島播磨重工業株式会社 rotary kiln
JPS5313207A (en) * 1976-07-23 1978-02-06 Hitachi Ltd Pumping apparatus

Also Published As

Publication number Publication date
JPS5340544A (en) 1978-04-13
JPS5340543A (en) 1978-04-13
JPS5724894B2 (en) 1982-05-26
NL7306111A (en) 1973-11-06
JPS5312925B2 (en) 1978-05-06
NL153834B (en) 1977-07-15
FR2183138B1 (en) 1976-06-11
SE7512290L (en) 1975-11-03
FR2183138A1 (en) 1973-12-14
DK144968B (en) 1982-07-19
JPS5313207B2 (en) 1978-05-09
GB1399856A (en) 1975-07-02
CH547504A (en) 1974-03-29
JPS4962152A (en) 1974-06-17
GB1396059A (en) 1975-05-29
AT322764B (en) 1975-06-10
SE414025B (en) 1980-07-07
DE2221488B2 (en) 1975-06-19
BE798940A (en) 1973-08-16
CH548615A (en) 1974-04-30
JPS50105706A (en) 1975-08-20
ES414198A1 (en) 1976-03-01
DE2221488A1 (en) 1973-11-22
CA1011111A (en) 1977-05-31
DK144968C (en) 1982-12-06
SE394995B (en) 1977-07-25
JPS5724893B2 (en) 1982-05-26

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