FR2134094A1 - Synthetic plastic correction lenses - Google Patents

Synthetic plastic correction lenses

Info

Publication number: FR2134094A1
Authority: FR; France
Prior art keywords: lenses; polarising; pref; mould; correction
Prior art date: 1971-04-19
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

FR7113789A

Other languages

English (en)

French (fr)

Other versions

FR2134094B1 (2

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.)

Polaroid Corp

Original Assignee

Polaroid Corp

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.)

1971-04-19

Filing date

1971-04-19

Publication date

1972-12-08

1971-04-19 Application filed by Polaroid Corp filed Critical Polaroid Corp

1971-04-19 Priority to FR7113789A priority Critical patent/FR2134094A1/fr

1972-12-08 Publication of FR2134094A1 publication Critical patent/FR2134094A1/fr

1978-03-10 Application granted granted Critical

1978-03-10 Publication of FR2134094B1 publication Critical patent/FR2134094B1/fr

Status Granted legal-status Critical Current

Links

229920003023 plastic Polymers 0.000 title abstract 2
239000000178 monomer Substances 0.000 abstract 3
239000004372 Polyvinyl alcohol Substances 0.000 abstract 2
239000001913 cellulose Substances 0.000 abstract 2
229920002678 cellulose Polymers 0.000 abstract 2
229920002451 polyvinyl alcohol Polymers 0.000 abstract 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract 1
239000000853 adhesive Substances 0.000 abstract 1
230000001070 adhesive effect Effects 0.000 abstract 1
SYFOAKAXGNMQAX-UHFFFAOYSA-N bis(prop-2-enyl) carbonate;2-(2-hydroxyethoxy)ethanol Chemical compound OCCOCCO.C=CCOC(=O)OCC=C SYFOAKAXGNMQAX-UHFFFAOYSA-N 0.000 abstract 1
239000004568 cement Substances 0.000 abstract 1
239000002131 composite material Substances 0.000 abstract 1
229960000935 dehydrated alcohol Drugs 0.000 abstract 1
238000000465 moulding Methods 0.000 abstract 1
238000005498 polishing Methods 0.000 abstract 1
229920002037 poly(vinyl butyral) polymer Polymers 0.000 abstract 1
229920001187 thermosetting polymer Polymers 0.000 abstract 1

Classifications

- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- 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
- B29D11/00528—Consisting of two mould halves joined by an annular gasket
- 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
- B29D11/0073—Optical laminates
- 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
- B29D11/00634—Production of filters
- B29D11/00644—Production of filters polarizing

Landscapes

Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Ophthalmology & Optometry (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Eyeglasses (AREA)

FR7113789A 1971-04-19 1971-04-19 Synthetic plastic correction lenses Granted FR2134094A1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7113789A FR2134094A1 (en)	1971-04-19	1971-04-19	Synthetic plastic correction lenses

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7113789A FR2134094A1 (en)	1971-04-19	1971-04-19	Synthetic plastic correction lenses

Publications (2)

Publication Number	Publication Date
FR2134094A1 true FR2134094A1 (en)	1972-12-08
FR2134094B1 FR2134094B1 (2)	1978-03-10

Family

ID=9075511

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7113789A Granted FR2134094A1 (en)	1971-04-19	1971-04-19	Synthetic plastic correction lenses

Country Status (1)

Country	Link
FR (1)	FR2134094A1 (2)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2183108A1 (2) *	1972-05-02	1973-12-14	Polaroid Corp
FR2183109A1 (2) *	1972-05-02	1973-12-14	Polaroid Corp
EP1739462A4 (en) *	2004-04-19	2010-11-24	Sunlux Co Ltd	OPTICAL DEVICE OF POLARIZING PLASTIC MATERIAL AND METHOD OF MANUFACTURING THE SAME

1971
- 1971-04-19 FR FR7113789A patent/FR2134094A1/fr active Granted

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2183108A1 (2) *	1972-05-02	1973-12-14	Polaroid Corp
FR2183109A1 (2) *	1972-05-02	1973-12-14	Polaroid Corp
EP1739462A4 (en) *	2004-04-19	2010-11-24	Sunlux Co Ltd	OPTICAL DEVICE OF POLARIZING PLASTIC MATERIAL AND METHOD OF MANUFACTURING THE SAME
US8147946B2 (en)	2004-04-19	2012-04-03	Sunlux Co., Ltd.	Polarizing plastic optical device and process for producing the same

Also Published As

Publication number	Publication date
FR2134094B1 (2)	1978-03-10

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Legal Events

Date	Code	Title	Description
1990-02-23	ST	Notification of lapse