FR2447560A1 - Lentille recouverte d'une couche et son procede de fabrication - Google Patents

Lentille recouverte d'une couche et son procede de fabrication

Info

Publication number
FR2447560A1
FR2447560A1 FR7928460A FR7928460A FR2447560A1 FR 2447560 A1 FR2447560 A1 FR 2447560A1 FR 7928460 A FR7928460 A FR 7928460A FR 7928460 A FR7928460 A FR 7928460A FR 2447560 A1 FR2447560 A1 FR 2447560A1
Authority
FR
France
Prior art keywords
layer
manufacturing
lens
lens coated
film
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.)
Pending
Application number
FR7928460A
Other languages
English (en)
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.)
Tokyo Optical Co Ltd
Original Assignee
Tokyo Optical Co Ltd
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 Tokyo Optical Co Ltd filed Critical Tokyo Optical Co Ltd
Publication of FR2447560A1 publication Critical patent/FR2447560A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29D11/00865—Applying coatings; tinting; colouring
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • B29C39/28—Moulds or cores with means to avoid flashes
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • B29C39/32—Moulds or cores with joints or the like for making the mould impervious

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A.LENTILLE RECOUVERTE D'UNE COUCHE ET SON PROCEDE DE FABRICATION. B.CE PROCEDE POUR PRODUIRE DES LENTILLES MOULEES RECOUVERTES D'UNE COUCHE, COMPREND UNE PREMIERE ETAPE CONSISTANT A PREPARER UNE LENTILLE AYANT UNE SURFACE GROSSIERE AVEC DE FINES RAYURES DISPERSEES SUR CETTE SURFACE ET UNE SECONDE ETAPE CONSISTANT A FORMER UNE PELLICULE DE REVETEMENT EN APPLIQUANT UN LIQUIDE DE MATIERE FILMOGENE A LA SURFACE RAYEE DE LA LENTILLE. C.APPLICATION : FABRICATION DE LENTILLES POUR L'OPTIQUE.
FR7928460A 1979-01-23 1979-11-19 Lentille recouverte d'une couche et son procede de fabrication Pending FR2447560A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP720579U JPS55107310U (fr) 1979-01-23 1979-01-23

Publications (1)

Publication Number Publication Date
FR2447560A1 true FR2447560A1 (fr) 1980-08-22

Family

ID=11659511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928460A Pending FR2447560A1 (fr) 1979-01-23 1979-11-19 Lentille recouverte d'une couche et son procede de fabrication

Country Status (4)

Country Link
JP (1) JPS55107310U (fr)
DE (1) DE2942562A1 (fr)
FR (1) FR2447560A1 (fr)
GB (1) GB2051397A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0138114A2 (fr) * 1983-09-30 1985-04-24 Matsushita Electric Industrial Co., Ltd. Procédé de fabrication d'une couche opaque sur des lentilles

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417790A (en) * 1979-05-10 1983-11-29 American Optical Corporation Finished ophthalmic lens comprising an optical smooth coating over a rough-surfaced base
US4857072A (en) * 1987-11-24 1989-08-15 Schering Corporation Hydrophilic colored contact lenses
FR2727649A1 (fr) * 1994-12-01 1996-06-07 Sgcn Procede de decoration ou de marquage d'un objet en matiere plastique
EP1865258A1 (fr) * 2006-06-06 2007-12-12 Siemens Aktiengesellschaft Composant blindé d'un moteur et turbine à gaz
EP3362247B1 (fr) * 2015-10-12 2020-03-11 PPG Industries Ohio, Inc. Moule de fabrication d'un vitrage d'aéronef polymère
CN208636449U (zh) * 2018-08-10 2019-03-22 瑞声科技(新加坡)有限公司 一种镜片镀膜治具
CN113759446A (zh) * 2021-09-09 2021-12-07 京东方科技集团股份有限公司 菲涅尔透镜、菲涅尔透镜组件及虚拟现实显示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL65953C (fr) * 1946-10-11
CH404183A (de) * 1962-08-14 1965-12-15 Jenaer Glaswerk Schott & Gen Verfahren zum Herstellen von optischen Körpern aus Kunststoffen
GB1262526A (en) * 1969-03-21 1972-02-02 Minnesota Mining & Mfg Coating for optical element
US3881683A (en) * 1973-11-29 1975-05-06 American Optical Corp Gasket for lens mold

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543873A (en) * 1977-06-10 1979-01-12 Asahi Glass Co Ltd Method of forming lens or sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL65953C (fr) * 1946-10-11
CH404183A (de) * 1962-08-14 1965-12-15 Jenaer Glaswerk Schott & Gen Verfahren zum Herstellen von optischen Körpern aus Kunststoffen
GB1262526A (en) * 1969-03-21 1972-02-02 Minnesota Mining & Mfg Coating for optical element
US3881683A (en) * 1973-11-29 1975-05-06 American Optical Corp Gasket for lens mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0138114A2 (fr) * 1983-09-30 1985-04-24 Matsushita Electric Industrial Co., Ltd. Procédé de fabrication d'une couche opaque sur des lentilles
EP0138114A3 (en) * 1983-09-30 1987-12-16 Matsushita Electric Industrial Co., Ltd. Method for forming light-shield coat on lenses

Also Published As

Publication number Publication date
JPS55107310U (fr) 1980-07-26
DE2942562A1 (de) 1980-07-24
GB2051397A (en) 1981-01-14

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