LU87465A1 - Procedes et appareils de fabrication d'objets coules ou moules,notamment des verres correcteurs - Google Patents

Procedes et appareils de fabrication d'objets coules ou moules,notamment des verres correcteurs Download PDF

Info

Publication number
LU87465A1
LU87465A1 LU87465A LU87465A LU87465A1 LU 87465 A1 LU87465 A1 LU 87465A1 LU 87465 A LU87465 A LU 87465A LU 87465 A LU87465 A LU 87465A LU 87465 A1 LU87465 A1 LU 87465A1
Authority
LU
Luxembourg
Prior art keywords
molds
molding
bore
mold
casting
Prior art date
Application number
LU87465A
Other languages
English (en)
French (fr)
Original Assignee
Pilkington Visioncare Holdings
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
Priority claimed from US07/163,308 external-priority patent/US4839110A/en
Priority claimed from US07/163,771 external-priority patent/US4874561A/en
Application filed by Pilkington Visioncare Holdings filed Critical Pilkington Visioncare Holdings
Publication of LU87465A1 publication Critical patent/LU87465A1/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/0048Moulds for lenses
    • B29D11/00528Consisting of two mould halves joined by an annular gasket
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/0055Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/30Mounting, exchanging or centering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/34Feeding the material to the mould or the compression means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/36Moulds for making articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00413Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
LU87465A 1988-03-02 1989-03-02 Procedes et appareils de fabrication d'objets coules ou moules,notamment des verres correcteurs LU87465A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/163,308 US4839110A (en) 1988-03-02 1988-03-02 Method of molding using gated dies
US16330888 1988-03-02
US07/163,771 US4874561A (en) 1988-03-03 1988-03-03 Method for designing parametric molding apparatus
US16377188 1988-03-03

Publications (1)

Publication Number Publication Date
LU87465A1 true LU87465A1 (fr) 1989-08-30

Family

ID=26859528

Family Applications (1)

Application Number Title Priority Date Filing Date
LU87465A LU87465A1 (fr) 1988-03-02 1989-03-02 Procedes et appareils de fabrication d'objets coules ou moules,notamment des verres correcteurs

Country Status (8)

Country Link
JP (1) JPH01316226A (it)
AU (1) AU3089989A (it)
DE (1) DE3906564A1 (it)
FR (1) FR2628031B1 (it)
GB (2) GB2219241A (it)
IT (1) IT1232661B (it)
LU (1) LU87465A1 (it)
NL (1) NL8900499A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
JP2545311Y2 (ja) * 1990-10-30 1997-08-25 ミネソタ マイニング アンド マニュファクチャリング カンパニー 眼科用具製造用成形型組立体
JPH11114979A (ja) * 1997-10-15 1999-04-27 Menicon Co Ltd 眼用レンズ材料の成形装置及びそれを用いた成形方法
FR2790706B1 (fr) * 1999-03-08 2001-06-08 Essilor Int Moule en trois parties pour la fabrication d'articles oculaires en materiau polymere transparent
JP2003512949A (ja) 1999-11-04 2003-04-08 コンセプションライセンス アクチェンゲゼルシャフト 重合可能材料の光学レンズ製造装置
DE10048861A1 (de) * 2000-10-02 2002-04-25 Krauss Maffei Kunststofftech Verfahren und Vorrichtung zum Herstellen von dickwandigen Formteilen
DE102007037204B4 (de) * 2007-08-07 2020-11-12 Docter Optics Se Verfahren zum Herstellen eines optischen Linsenelementes, insbesondere einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer sowie Charge von hintereinander hergestellten Scheinwerferlinsen
JP5788231B2 (ja) * 2011-06-10 2015-09-30 Hoya株式会社 レンズ製造方法、及び眼鏡レンズ製造システム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB650692A (en) * 1944-11-28 1951-02-28 Teksun Inc Injection mold for use in molding opthalmic lenses and other articles
GB611432A (en) * 1946-04-26 1948-10-29 James Mitchell Anderson A new or improved means for moulding ophthalmic contact lenses from plastics
US2890486A (en) * 1955-08-29 1959-06-16 American Optical Corp Mold for producing lens of any shape from a polymerizable material
GB796825A (en) * 1955-10-04 1958-06-18 American Optical Corp Improvements in or relating to casting devices for optical elements
GB915523A (en) * 1959-01-28 1963-01-16 Combined Optical Ind Ltd Improvements in or relating to casting
FR1362588A (fr) * 1963-04-23 1964-06-05 Morvan Soc Perfectionnement au traitement thermique, plus spécialement à la vulcanisation, insitu, de masses élastiques et notamment de joints d'étanchéité
US3423488A (en) * 1966-05-11 1969-01-21 Ppg Industries Inc Process for casting resinous lenses in thermoplastic cast replica molds
US3605195A (en) * 1970-08-24 1971-09-20 Charles D Campbell Mold assembly for casting plastic optical lenses
GB1366927A (en) * 1970-12-14 1974-09-18 Goodyear Tire & Rubber Method of moulding plastics materials under pressure
IL39580A (en) * 1971-06-04 1975-03-13 Ashland Optical Corp Multiple molding of plastic optical lenses
DE2308144A1 (de) * 1973-02-19 1974-08-22 Battelle Institut E V Kontakklinse
US3881683A (en) * 1973-11-29 1975-05-06 American Optical Corp Gasket for lens mold
JPS5225651A (en) * 1975-08-22 1977-02-25 Olympus Optical Co Ltd Process for fabricating an optical curved surface using a photopolymer izable adhesive
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
AT368067B (de) * 1977-01-21 1982-09-10 Weber Hermann P Verfahren und vorrichtung zur herstellung einer optischen linse durch spritzgiessen
GB2088273A (en) * 1980-12-03 1982-06-09 Philips Electronic Associated Method of making biaspherical optical elements
US4353849A (en) * 1981-06-19 1982-10-12 Lawrence Lewison Manufacture of soft contact lenses having vent passageways
FR2530181A1 (fr) * 1982-07-16 1984-01-20 Essilor Int Procede et dispositif pour le moulage d'un element optique en matiere synthetique
FR2530182A1 (fr) * 1982-07-16 1984-01-20 Essilor Int Dispositif de moulage, notamment pour element optique, par exemple lentille ophtalmique

Also Published As

Publication number Publication date
FR2628031A1 (fr) 1989-09-08
IT8947700A0 (it) 1989-03-01
GB2219243A (en) 1989-12-06
JPH01316226A (ja) 1989-12-21
GB8904653D0 (en) 1989-04-12
DE3906564A1 (de) 1989-10-12
GB2219241A (en) 1989-12-06
FR2628031B1 (fr) 1995-05-19
AU3089989A (en) 1989-09-07
NL8900499A (nl) 1989-10-02
IT1232661B (it) 1992-03-02
GB8915053D0 (en) 1989-08-23

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