[go: up one dir, main page]

GB1317005A - Optical lenses from diethylene glycol bisallyl carbonate - Google Patents

Optical lenses from diethylene glycol bisallyl carbonate

Info

Publication number
GB1317005A
GB1317005A GB3273470A GB3273470A GB1317005A GB 1317005 A GB1317005 A GB 1317005A GB 3273470 A GB3273470 A GB 3273470A GB 3273470 A GB3273470 A GB 3273470A GB 1317005 A GB1317005 A GB 1317005A
Authority
GB
United Kingdom
Prior art keywords
diethylene glycol
optical lenses
glycol dimethacrylate
cast
bisallyl carbonate
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
GB3273470A
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.)
Beattie Lab Inc J O
Original Assignee
Beattie Lab Inc J O
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 Beattie Lab Inc J O filed Critical Beattie Lab Inc J O
Publication of GB1317005A publication Critical patent/GB1317005A/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
    • 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
    • B29D11/0048—Moulds for lenses
    • B29D11/00519—Reusable moulds
    • 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00855—Producing cylindrical lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB3273470A 1969-07-15 1970-07-06 Optical lenses from diethylene glycol bisallyl carbonate Expired GB1317005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84175869A 1969-07-15 1969-07-15

Publications (1)

Publication Number Publication Date
GB1317005A true GB1317005A (en) 1973-05-16

Family

ID=25285624

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3273470A Expired GB1317005A (en) 1969-07-15 1970-07-06 Optical lenses from diethylene glycol bisallyl carbonate

Country Status (5)

Country Link
JP (1) JPS5016831B1 (xx)
BE (1) BE753437A (xx)
DE (1) DE2029098A1 (xx)
FR (1) FR2055087A5 (xx)
GB (1) GB1317005A (xx)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185933A (en) * 1986-01-28 1987-08-05 Coopervision Optics Moulding contact lenses
GB2213424A (en) * 1987-12-28 1989-08-16 Sony Corp A method of producing a resin mould.
GB2226272A (en) * 1988-11-02 1990-06-27 Nat Res Dev Contact lens cast moulding and packaging
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185933A (en) * 1986-01-28 1987-08-05 Coopervision Optics Moulding contact lenses
US4955580A (en) * 1986-01-28 1990-09-11 Coopervision Optics Limited Contact lens mold
GB2185933B (en) * 1986-01-28 1990-09-19 Coopervision Optics Moulding contact lenses
US5036971A (en) * 1986-01-28 1991-08-06 Coopervision Optics, Ltd. Moulding contact lenses
GB2213424A (en) * 1987-12-28 1989-08-16 Sony Corp A method of producing a resin mould.
US4948537A (en) * 1987-12-28 1990-08-14 Sony Corporation Method of producing a resin mold for rear projection screen
GB2213424B (en) * 1987-12-28 1992-02-19 Sony Corp A method of producing a resin mould
GB2226272A (en) * 1988-11-02 1990-06-27 Nat Res Dev Contact lens cast moulding and packaging
US5143660A (en) * 1988-11-02 1992-09-01 National Research Development Corporation Method of casting a contact lens
GB2226272B (en) * 1988-11-02 1993-01-13 Nat Res Dev Contact lens cast moulding and packaging
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
US5578332A (en) * 1988-11-02 1996-11-26 British Technology Group Ltd. Contact lens mould

Also Published As

Publication number Publication date
BE753437A (xx) 1971-01-14
JPS5016831B1 (xx) 1975-06-16
FR2055087A5 (xx) 1971-05-07
DE2029098A1 (de) 1971-02-11

Similar Documents

Publication Publication Date Title
US4166088A (en) Method of making high quality plastic lenses
DE3763381D1 (de) Giessen von kontaktlinsen.
BR9400448A (pt) Polímero e lente oftálmica
ATE124649T1 (de) Giessen von kontaktlinsen.
KR860007557A (ko) 소프트 콘택트 렌즈 및 이의 제조방법
TW339306B (en) Method and apparatus for treating an ophthalmic lens mold
ES2145240T3 (es) Procedimiento para el llenado de un molde destinado a la obtencion de una lente optica.
ES8400286A1 (es) "un procedimiento para fabricar lentes de plastico".
GB1317005A (en) Optical lenses from diethylene glycol bisallyl carbonate
GB1317006A (en) Double replication process for producing ophthalmic lenses
JPS57212401A (en) High refractive index plastic lens
JPS57189116A (en) Manufacture of soft contact lens and cast mold used therefor
GB1317007A (en) Multiple plaque casting apparatus for making plastics lenses
JPS6435403A (en) Production of resin optical member having polarizability and light control effect
ES480497A1 (es) Procedimiento de fabricacion de lentes y otros medios opti- cos.
GB1436705A (en) N-vinyl pyrrolidone copolymers
GB1460072A (en) Thermosettable compositions
GB846669A (en) Improvements in devices and methods of forming optical elements
JPS55123429A (en) Preparation of plastic lens
GB925821A (en) Improvements in or relating to optical elements
GB1011837A (en) Light polarizers, methods for making them and novel copolymers for use therein
JPS5336252A (en) Cemented lens
ES288445A3 (es) Procedimiento de fabricación de lentes ópticas y oftálmicas en resina sintética termoendurecible
GB983817A (en) Improvements in or relating to synthetic resins

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees