BR8805550A - Metodo para montar e fundir o segmento e elementos de vidro principais - Google Patents

Metodo para montar e fundir o segmento e elementos de vidro principais

Info

Publication number
BR8805550A
BR8805550A BR8805550A BR8805550A BR8805550A BR 8805550 A BR8805550 A BR 8805550A BR 8805550 A BR8805550 A BR 8805550A BR 8805550 A BR8805550 A BR 8805550A BR 8805550 A BR8805550 A BR 8805550A
Authority
BR
Brazil
Prior art keywords
fusing
assembling
elements
main glass
glass segment
Prior art date
Application number
BR8805550A
Other languages
English (en)
Inventor
Milford Leland Buckley
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of BR8805550A publication Critical patent/BR8805550A/pt

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Joining Of Glass To Other Materials (AREA)
BR8805550A 1987-11-03 1988-10-27 Metodo para montar e fundir o segmento e elementos de vidro principais BR8805550A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/116,152 US4842632A (en) 1987-11-03 1987-11-03 Method of making multifocal lens blanks

Publications (1)

Publication Number Publication Date
BR8805550A true BR8805550A (pt) 1989-07-11

Family

ID=22365564

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8805550A BR8805550A (pt) 1987-11-03 1988-10-27 Metodo para montar e fundir o segmento e elementos de vidro principais

Country Status (3)

Country Link
US (1) US4842632A (pt)
EP (1) EP0314956A1 (pt)
BR (1) BR8805550A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906422A (en) * 1988-10-17 1990-03-06 Corning Incorporated Method of producing moulds for organic polymer multifocal lenses
US4992086A (en) * 1990-02-20 1991-02-12 Corning Incorporated Multifocal lens method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1436217A (en) * 1922-11-21 A voluntary asso
US865363A (en) * 1907-07-02 1907-09-10 Kryptok Company Method of making bifocal lenses.
US1190242A (en) * 1914-06-03 1916-07-04 American Optical Corp Process of forming bifocal lenses.
US1350441A (en) * 1919-12-04 1920-08-24 Bausch & Lomb Manufacture of lenses
US1596397A (en) * 1925-12-14 1926-08-17 Continental Optical Corp Process for making fused multifocal lenses
US1734428A (en) * 1926-12-01 1929-11-05 Bausch & Lomb Method of making fused multifocal lenses
US2640299A (en) * 1949-12-07 1953-06-02 American Optical Corp Process of forming a multifocal lens
US2807122A (en) * 1954-05-26 1957-09-24 American Optical Corp Method of forming and fusing glass articles
US3966311A (en) * 1972-05-02 1976-06-29 Carl Zeiss-Stiftung Method of producing photochromic multifocal spectacle lenses
US4190451A (en) * 1978-03-17 1980-02-26 Corning Glass Works Photochromic glass

Also Published As

Publication number Publication date
EP0314956A1 (en) 1989-05-10
US4842632A (en) 1989-06-27

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Legal Events

Date Code Title Description
FC Decision: refusal