GB2027386B - Adjustable mould ofr moulding ophtalmic lenses - Google Patents

Adjustable mould ofr moulding ophtalmic lenses

Info

Publication number
GB2027386B
GB2027386B GB7926077A GB7926077A GB2027386B GB 2027386 B GB2027386 B GB 2027386B GB 7926077 A GB7926077 A GB 7926077A GB 7926077 A GB7926077 A GB 7926077A GB 2027386 B GB2027386 B GB 2027386B
Authority
GB
United Kingdom
Prior art keywords
ofr
moulding
adjustable mould
ophtalmic lenses
ophtalmic
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.)
Expired
Application number
GB7926077A
Other languages
English (en)
Other versions
GB2027386A (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.)
Omnitech 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 GB2027386A publication Critical patent/GB2027386A/en
Application granted granted Critical
Publication of GB2027386B publication Critical patent/GB2027386B/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
GB7926077A 1978-08-10 1979-07-26 Adjustable mould ofr moulding ophtalmic lenses Expired GB2027386B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2027386A GB2027386A (en) 1980-02-20
GB2027386B true GB2027386B (en) 1982-09-22

Family

ID=25462329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7926077A Expired GB2027386B (en) 1978-08-10 1979-07-26 Adjustable mould ofr moulding ophtalmic lenses

Country Status (8)

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

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 (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
DE3543357A1 (de) * 1985-12-07 1987-06-11 Bayer Ag Verfahren und vorrichtung zur herstellung von kontaktlinsen-rohlingen mit fertig ausgebildeten rueckflaechen-geometrien
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
DE69111374T2 (de) * 1990-10-30 1996-04-04 Minnesota Mining & Mfg Dreiteil-Formwerkzeug zur Herstellung einer optischen Vorrichtung.
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

Family Cites Families (4)

* 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
FR2109470A5 (enrdf_load_stackoverflow) * 1970-10-19 1972-05-26 Silor
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses
FR2380117A1 (fr) * 1977-02-11 1978-09-08 Weber Hermann Procede et dispositif pour le moulage par injection de lentilles ou verres

Also Published As

Publication number Publication date
NL188020C (nl) 1992-03-16
JPS5527300A (en) 1980-02-27
JPS6212019B2 (enrdf_load_stackoverflow) 1987-03-16
CA1124469A (en) 1982-06-01
NL188020B (nl) 1991-10-16
AU4902379A (en) 1980-02-14
NL7905618A (nl) 1980-02-12
GB2027386A (en) 1980-02-20
BE878148A (fr) 1979-12-03
FR2432929A1 (fr) 1980-03-07
DE2932499A1 (de) 1980-02-28
FR2432929B1 (fr) 1986-04-25
AU524955B2 (en) 1982-10-14

Similar Documents

Publication Publication Date Title
GB2048758B (en) Cotact lens mould
AU526913B2 (en) Moulding contact lenses
GB2057338B (en) Plastics moulding process
AU537184B2 (en) Plastic mould
AU534646B2 (en) Lens moulding gasket
AU533126B2 (en) Moulding assembly for soft contact lenses
JPS5516098A (en) Molded plastic product
AU563294B2 (en) Continuous moulding
GB2032647B (en) Aspheric ophthalmic lens
GB2034498B (en) Ophthalmic lens
GB2027386B (en) Adjustable mould ofr moulding ophtalmic lenses
GB2059920B (en) Moulded plastics trays
AU531024B2 (en) Moulding expanded plastic
DE3170417D1 (en) Polyvinyl-chloride moulding material
BR8004970A (pt) Molde
SU674913A1 (ru) Устройство дл формовани
JPS5337045A (en) Antireflection plastic lens
AU518918B2 (en) Moulding plastic blocks
AU2450577A (en) Plastic mould
ZA804482B (en) Plastics moulding process
JPS536358A (en) Molds for molding plastics
AU490628B2 (en) Injection moulding moulds
DE3050043A1 (de) Moulding process
AU531043B2 (en) Moulding process
AU3694178A (en) Moulding plastic film material

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)