AU4902379A - Molding ophthalmic lenses and other articles - Google Patents

Molding ophthalmic lenses and other articles

Info

Publication number
AU4902379A
AU4902379A AU49023/79A AU4902379A AU4902379A AU 4902379 A AU4902379 A AU 4902379A AU 49023/79 A AU49023/79 A AU 49023/79A AU 4902379 A AU4902379 A AU 4902379A AU 4902379 A AU4902379 A AU 4902379A
Authority
AU
Australia
Prior art keywords
articles
ophthalmic lenses
molding ophthalmic
molding
lenses
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
AU49023/79A
Other versions
AU524955B2 (en
Inventor
Joseph L. Jerominek
Albert Joseph Laliberte
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.)
Gentex Optics Inc
Original Assignee
Omnitech Inc
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 Omnitech Inc filed Critical Omnitech Inc
Publication of AU4902379A publication Critical patent/AU4902379A/en
Application granted granted Critical
Publication of AU524955B2 publication Critical patent/AU524955B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7306—Control circuits therefor
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • 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
    • B29D11/00413—Production 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7393—Heating or cooling of the mould alternately heating and cooling
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; 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
AU49023/79A 1978-08-10 1979-07-18 Molding ophthalmic lenses and other articles Expired AU524955B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93244278A 1978-08-10 1978-08-10
US932442 1978-08-10

Publications (2)

Publication Number Publication Date
AU4902379A true AU4902379A (en) 1980-02-14
AU524955B2 AU524955B2 (en) 1982-10-14

Family

ID=25462329

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49023/79A Expired AU524955B2 (en) 1978-08-10 1979-07-18 Molding ophthalmic lenses and other articles

Country Status (8)

Country Link
JP (1) JPS5527300A (en)
AU (1) AU524955B2 (en)
BE (1) BE878148A (en)
CA (1) CA1124469A (en)
DE (1) DE2932499A1 (en)
FR (1) FR2432929B1 (en)
GB (1) GB2027386B (en)
NL (1) NL188020C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864231A (en) * 1972-01-31 1975-02-04 Metallurgie Hoboken Apparatus for measuring in a continuous manner oxygen in a molten metal
JPH06845B2 (en) * 1983-07-18 1994-01-05 出光石油化学株式会社 Large injection compression molding method
DE3543357A1 (en) * 1985-12-07 1987-06-11 Bayer Ag METHOD AND DEVICE FOR THE PRODUCTION OF CONTACT LENS BLANKS WITH FINALLY TRAINED REAR SURFACE GEOMETRIES
JPS62144914A (en) * 1985-12-18 1987-06-29 Alps Electric Co Ltd Manufacture of optical component and device thereof
US4778632A (en) * 1986-01-06 1988-10-18 Neolens, Inc. Injection molding equipment and method
JPH06105238B2 (en) * 1986-02-06 1994-12-21 新日本製鐵株式会社 Method for measuring oxygen partial pressure of blast furnace gas
JPS63139720A (en) * 1986-12-02 1988-06-11 Aida Eng Ltd Injection compression molding system
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
DE69111374T2 (en) * 1990-10-30 1996-04-04 Minnesota Mining & Mfg Three-part mold for manufacturing an optical device.
US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
WO1994012390A2 (en) * 1992-11-24 1994-06-09 United Technologies Corporation Coolable rotor blade structure
WO2001043953A1 (en) * 1999-12-15 2001-06-21 Bausch & Lomb Incorporated Method of molding lenses
US6695607B2 (en) * 2001-12-17 2004-02-24 Essilor International (Compagnie Generale D'optique) Mold half-block for injection molding an optical article out of thermoplastic material, and a mold including such a half-block
CN109228163B (en) * 2018-10-17 2024-02-06 嘉亨家化股份有限公司 Injection mold with adjustable thread starting teeth

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918231C (en) * 1952-11-25 1954-09-23 Mueller Welt Fa Method and device for the production of lenses with a centering rim or of adhesive glasses provided with a supporting rim made of thermoplastic transparent plastics
FR2109470A5 (en) * 1970-10-19 1972-05-26 Silor
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses
FR2380117A1 (en) * 1977-02-11 1978-09-08 Weber Hermann Injection moulding plastic lenses - in a cavity of reducible size having an overflow pocket

Also Published As

Publication number Publication date
JPS5527300A (en) 1980-02-27
DE2932499A1 (en) 1980-02-28
NL188020B (en) 1991-10-16
NL188020C (en) 1992-03-16
FR2432929B1 (en) 1986-04-25
GB2027386A (en) 1980-02-20
GB2027386B (en) 1982-09-22
FR2432929A1 (en) 1980-03-07
NL7905618A (en) 1980-02-12
BE878148A (en) 1979-12-03
CA1124469A (en) 1982-06-01
JPS6212019B2 (en) 1987-03-16
AU524955B2 (en) 1982-10-14

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired