DE2932499A1 - Verfahren und vorrichtung zum giessen eines gegenstandes, insbesondere einer linse, aus kunstharz - Google Patents

Verfahren und vorrichtung zum giessen eines gegenstandes, insbesondere einer linse, aus kunstharz

Info

Publication number
DE2932499A1
DE2932499A1 DE19792932499 DE2932499A DE2932499A1 DE 2932499 A1 DE2932499 A1 DE 2932499A1 DE 19792932499 DE19792932499 DE 19792932499 DE 2932499 A DE2932499 A DE 2932499A DE 2932499 A1 DE2932499 A1 DE 2932499A1
Authority
DE
Germany
Prior art keywords
inserts
lens
space
mold parts
finished
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.)
Ceased
Application number
DE19792932499
Other languages
German (de)
English (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 DE2932499A1 publication Critical patent/DE2932499A1/de
Ceased 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
DE19792932499 1978-08-10 1979-08-10 Verfahren und vorrichtung zum giessen eines gegenstandes, insbesondere einer linse, aus kunstharz Ceased DE2932499A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2932499A1 true DE2932499A1 (de) 1980-02-28

Family

ID=25462329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792932499 Ceased DE2932499A1 (de) 1978-08-10 1979-08-10 Verfahren und vorrichtung zum giessen eines gegenstandes, insbesondere einer linse, aus kunstharz

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543357A1 (de) * 1985-12-07 1987-06-11 Bayer Ag Verfahren und vorrichtung zur herstellung von kontaktlinsen-rohlingen mit fertig ausgebildeten rueckflaechen-geometrien

Families Citing this family (13)

* 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 (ja) * 1983-07-18 1994-01-05 出光石油化学株式会社 大型射出圧縮成形法
JPS62144914A (ja) * 1985-12-18 1987-06-29 Alps Electric Co Ltd 光学部品の成型装置
US4778632A (en) * 1986-01-06 1988-10-18 Neolens, Inc. Injection molding equipment and method
JPH06105238B2 (ja) * 1986-02-06 1994-12-21 新日本製鐵株式会社 高炉内ガスの酸素分圧測定方法
JPS63139720A (ja) * 1986-12-02 1988-06-11 Aida Eng Ltd 射出圧縮成形方法
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
EP0484089B1 (en) * 1990-10-30 1995-07-19 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
WO1994012390A2 (en) * 1992-11-24 1994-06-09 United Technologies Corporation Coolable rotor blade structure
AU2087201A (en) * 1999-12-15 2001-06-25 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 (zh) * 2018-10-17 2024-02-06 嘉亨家化股份有限公司 一种螺纹起始牙可调的注塑模具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918231C (de) * 1952-11-25 1954-09-23 Mueller Welt Fa Verfahren und Vorrichtung zum Herstellen von Linsen mit Zentrierrand oder von mit einem Tragrand versehenen Haftglaesern aus thermoplastischen durchsichtigen Kunststoffen
DE2152062B2 (de) * 1970-10-19 1975-09-04 Essilor International (Compagnie Generale D'optique), Paris Preßform zum Herstellen von Kontaktlinsen
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380117A1 (fr) * 1977-02-11 1978-09-08 Weber Hermann Procede et dispositif pour le moulage par injection de lentilles ou verres

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918231C (de) * 1952-11-25 1954-09-23 Mueller Welt Fa Verfahren und Vorrichtung zum Herstellen von Linsen mit Zentrierrand oder von mit einem Tragrand versehenen Haftglaesern aus thermoplastischen durchsichtigen Kunststoffen
DE2152062B2 (de) * 1970-10-19 1975-09-04 Essilor International (Compagnie Generale D'optique), Paris Preßform zum Herstellen von Kontaktlinsen
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543357A1 (de) * 1985-12-07 1987-06-11 Bayer Ag Verfahren und vorrichtung zur herstellung von kontaktlinsen-rohlingen mit fertig ausgebildeten rueckflaechen-geometrien

Also Published As

Publication number Publication date
NL188020B (nl) 1991-10-16
GB2027386B (en) 1982-09-22
JPS6212019B2 (ja) 1987-03-16
NL188020C (nl) 1992-03-16
FR2432929A1 (fr) 1980-03-07
BE878148A (fr) 1979-12-03
AU524955B2 (en) 1982-10-14
AU4902379A (en) 1980-02-14
NL7905618A (nl) 1980-02-12
GB2027386A (en) 1980-02-20
CA1124469A (en) 1982-06-01
FR2432929B1 (fr) 1986-04-25
JPS5527300A (en) 1980-02-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: GENTEX OPTICS, INC., CARBONDALE, PA., US

8128 New person/name/address of the agent

Representative=s name: STELLRECHT, W., DIPL.-ING. M.SC. GRIESSBACH, D., D

8131 Rejection