ES545600A0 - Procedimiento para la obtencion de lentillas de contacto semi-acabadas - Google Patents

Procedimiento para la obtencion de lentillas de contacto semi-acabadas

Info

Publication number
ES545600A0
ES545600A0 ES545600A ES545600A ES545600A0 ES 545600 A0 ES545600 A0 ES 545600A0 ES 545600 A ES545600 A ES 545600A ES 545600 A ES545600 A ES 545600A ES 545600 A0 ES545600 A0 ES 545600A0
Authority
ES
Spain
Prior art keywords
blank
semi
produced
contact lens
finished contact
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.)
Granted
Application number
ES545600A
Other languages
English (en)
Other versions
ES8608399A1 (es
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES8608399A1 publication Critical patent/ES8608399A1/es
Publication of ES545600A0 publication Critical patent/ES545600A0/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02C7/04—Contact lenses for the eyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Coloring (AREA)
ES545600A 1984-07-28 1985-07-26 Procedimiento para la obtencion de lentillas de contacto semi-acabadas Expired ES8608399A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3427887 1984-07-28

Publications (2)

Publication Number Publication Date
ES8608399A1 ES8608399A1 (es) 1986-06-16
ES545600A0 true ES545600A0 (es) 1986-06-16

Family

ID=6241811

Family Applications (1)

Application Number Title Priority Date Filing Date
ES545600A Expired ES8608399A1 (es) 1984-07-28 1985-07-26 Procedimiento para la obtencion de lentillas de contacto semi-acabadas

Country Status (7)

Country Link
EP (1) EP0170141B1 (es)
JP (1) JPS6141118A (es)
KR (1) KR860001357A (es)
AT (1) ATE34335T1 (es)
DE (1) DE3562730D1 (es)
ES (1) ES8608399A1 (es)
HK (1) HK86488A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0220919A3 (en) * 1985-10-21 1989-04-12 Shin-Etsu Chemical Co., Ltd. Contact lens
DE3543357A1 (de) * 1985-12-07 1987-06-11 Bayer Ag Verfahren und vorrichtung zur herstellung von kontaktlinsen-rohlingen mit fertig ausgebildeten rueckflaechen-geometrien
US5141677A (en) * 1991-01-22 1992-08-25 Minnesota Mining And Manufacturing Company Method of hot stamping intraocular lens bodies
US5760100B1 (en) 1994-09-06 2000-11-14 Ciba Vision Corp Extended wear ophthalmic lens
US7468398B2 (en) 1994-09-06 2008-12-23 Ciba Vision Corporation Extended wear ophthalmic lens
JP4087947B2 (ja) * 1998-05-08 2008-05-21 Ｈｏｙａヘルスケア株式会社 ガス透過型ハードコンタクトレンズの製造方法
US6162376A (en) 1999-02-24 2000-12-19 Mead Opthalmics Compression molding of optical lenses
KR100368014B1 (ko) * 2000-10-18 2003-01-24 (주)보성기연 에프.알.피 플랜지관 제조방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH280552A (de) * 1950-03-23 1952-01-31 Diplom Optiker Albert Braun Fa Verfahren und Vorrichtung zur Herstellung von Augenhaftschalen.
GB819474A (en) * 1955-05-13 1959-09-02 Frederick Thomas Ridley Contact lenses
DE1704527C3 (de) * 1966-02-15 1978-07-27 Ceskoslovenska Akademie Ved, Prag Verfahren zum Herstellen von nichtspärischen Linsen aus einem Polymer
DE2729385A1 (de) * 1976-07-12 1978-01-19 American Optical Corp Verfahren zum herstellen einer thermoplastischen linse vermittels verformen in fester phase
DE3325055A1 (de) * 1983-07-12 1985-01-24 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von kontaktoptischen gegenstaenden

Also Published As

Publication number Publication date
ATE34335T1 (de) 1988-06-15
ES8608399A1 (es) 1986-06-16
JPS6141118A (ja) 1986-02-27
KR860001357A (ko) 1986-02-26
HK86488A (en) 1988-11-04
EP0170141A3 (en) 1986-07-09
EP0170141B1 (de) 1988-05-18
DE3562730D1 (en) 1988-06-23
EP0170141A2 (de) 1986-02-05

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203