CH641402A5 - Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili. - Google Patents

Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili. Download PDF

Info

Publication number: CH641402A5
Authority: CH; Switzerland
Prior art keywords: monomer; molds; polymer; lenses; catalyzed
Prior art date: 1978-05-12

Application number

CH419379A

Other languages

English (en)

Italian (it)

Inventor

Giorgio Maria Padoan

Original Assignee

Italiana Lenti

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.)

1978-05-12

Filing date

1979-05-04

Publication date

1984-02-29

1979-05-04 Application filed by Italiana Lenti filed Critical Italiana Lenti

1984-02-29 Publication of CH641402A5 publication Critical patent/CH641402A5/it

Links

238000000034 method Methods 0.000 title description 38
230000003287 optical effect Effects 0.000 title description 10
238000005266 casting Methods 0.000 title description 3
229920003002 synthetic resin Polymers 0.000 title description 3
239000000057 synthetic resin Substances 0.000 title description 3
239000000178 monomer Substances 0.000 description 74
229920000642 polymer Polymers 0.000 description 42
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 35
238000006116 polymerization reaction Methods 0.000 description 15
238000010438 heat treatment Methods 0.000 description 14
230000008569 process Effects 0.000 description 13
-1 2-hydroxy- 5-methylphenyl Chemical group 0.000 description 10
229920001577 copolymer Polymers 0.000 description 10
239000011521 glass Substances 0.000 description 9
JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 description 8
239000000243 solution Substances 0.000 description 8
125000006850 spacer group Chemical group 0.000 description 8
239000000126 substance Substances 0.000 description 8
238000009826 distribution Methods 0.000 description 6
MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 6
238000004519 manufacturing process Methods 0.000 description 6
239000006096 absorbing agent Substances 0.000 description 5
230000005540 biological transmission Effects 0.000 description 5
239000000460 chlorine Substances 0.000 description 5
229910052801 chlorine Inorganic materials 0.000 description 5
239000000463 material Substances 0.000 description 5
239000000654 additive Substances 0.000 description 4
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 description 4
239000003054 catalyst Substances 0.000 description 4
238000001816 cooling Methods 0.000 description 4
230000000875 corresponding effect Effects 0.000 description 4
ZSDPJPHNMOTSQZ-UHFFFAOYSA-N hydroxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OO ZSDPJPHNMOTSQZ-UHFFFAOYSA-N 0.000 description 4
230000001939 inductive effect Effects 0.000 description 4
239000003999 initiator Substances 0.000 description 4
230000036961 partial effect Effects 0.000 description 4
238000002604 ultrasonography Methods 0.000 description 4
239000004342 Benzoyl peroxide Substances 0.000 description 3
OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
235000019400 benzoyl peroxide Nutrition 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
230000007547 defect Effects 0.000 description 3
239000003599 detergent Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
230000008030 elimination Effects 0.000 description 3
238000003379 elimination reaction Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000001301 oxygen Substances 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 3
230000009467 reduction Effects 0.000 description 3
MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 3
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
230000009471 action Effects 0.000 description 2
230000000996 additive effect Effects 0.000 description 2
QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
239000012964 benzotriazole Substances 0.000 description 2
230000001143 conditioned effect Effects 0.000 description 2
230000008602 contraction Effects 0.000 description 2
230000006837 decompression Effects 0.000 description 2
229920001519 homopolymer Polymers 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
150000002978 peroxides Chemical class 0.000 description 2
238000007789 sealing Methods 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
230000003068 static effect Effects 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
229920001187 thermosetting polymer Polymers 0.000 description 2
239000004416 thermosoftening plastic Substances 0.000 description 2
238000005406 washing Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
241001122767 Theaceae Species 0.000 description 1
239000002253 acid Substances 0.000 description 1
230000003213 activating effect Effects 0.000 description 1
230000001464 adherent effect Effects 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
238000013475 authorization Methods 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000004040 coloring Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
239000013527 degreasing agent Substances 0.000 description 1
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
230000008034 disappearance Effects 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000005672 electromagnetic field Effects 0.000 description 1
230000001804 emulsifying effect Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
238000007654 immersion Methods 0.000 description 1
230000006872 improvement Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
230000006698 induction Effects 0.000 description 1
230000008595 infiltration Effects 0.000 description 1
238000001764 infiltration Methods 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
NUHSROFQTUXZQQ-UHFFFAOYSA-N isopentenyl diphosphate Chemical compound CC(=C)CCO[P@](O)(=O)OP(O)(O)=O NUHSROFQTUXZQQ-UHFFFAOYSA-N 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000010907 mechanical stirring Methods 0.000 description 1
230000005499 meniscus Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000002991 molded plastic Substances 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
230000000379 polymerizing effect Effects 0.000 description 1
229920002635 polyurethane Polymers 0.000 description 1
239000004814 polyurethane Substances 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
230000005855 radiation Effects 0.000 description 1
150000003254 radicals Chemical class 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
238000007670 refining Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
238000002798 spectrophotometry method Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
239000010902 straw Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1
238000012719 thermal polymerization Methods 0.000 description 1
239000004634 thermosetting polymer Substances 0.000 description 1
238000004383 yellowing Methods 0.000 description 1

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
- B29D11/00413—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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
- 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
- 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
- B29L2031/00—Other particular articles
- B29L2031/76—Office equipment or accessories
- B29L2031/7602—Maps

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Ophthalmology & Optometry (AREA)
Manufacturing & Machinery (AREA)
Health & Medical Sciences (AREA)
Optics & Photonics (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Lenses (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

CH419379A 1978-05-12 1979-05-04 Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili. CH641402A5 (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT23319/78A IT1094754B (it)	1978-05-12	1978-05-12	Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili

Publications (1)

Publication Number	Publication Date
CH641402A5 true CH641402A5 (it)	1984-02-29

Family

ID=11206027

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH419379A CH641402A5 (it)	1978-05-12	1979-05-04	Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili.

Country Status (22)

Country	Link
JP (1)	JPS54149765A (fr)
AT (1)	AT391296B (fr)
AU (1)	AU526381B2 (fr)
BE (1)	BE876149A (fr)
BR (1)	BR7902929A (fr)
CA (1)	CA1135913A (fr)
CH (1)	CH641402A5 (fr)
DE (2)	DE2954548C2 (fr)
DK (1)	DK162590C (fr)
ES (1)	ES480497A1 (fr)
FR (1)	FR2425314A1 (fr)
GB (1)	GB2021474B (fr)
GR (1)	GR67597B (fr)
HK (1)	HK73587A (fr)
IE (1)	IE48438B1 (fr)
IL (1)	IL57252A0 (fr)
IT (1)	IT1094754B (fr)
LU (1)	LU81249A1 (fr)
MX (1)	MX151517A (fr)
NL (1)	NL7903713A (fr)
NO (1)	NO162009C (fr)
SE (1)	SE432219B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1191569B (it) *	1986-02-28	1988-03-23	Nuova Sil Spa	Stampo per la produzione mediante colata di lenti organiche
US6511311B1 (en)	1998-09-30	2003-01-28	Novartis Ag	Lens mold carriers
EP1117523B1 (fr) *	1998-09-30	2002-12-11	Novartis AG	Supports de moules de lentilles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1166582A (fr) *	1955-12-30	1958-11-13	Combined Optical Ind Ltd	Procédé et appareil de moulage de lentilles et autres éléments optiques de précision
FR1204627A (fr) *	1958-04-25	1960-01-27	Lentilles Ophtalmiques Special	Perfectionnements à la fabrication de lentilles optiques et ophtalmiques en résinesynthétique thermodurcissable
US3171869A (en) *	1959-12-07	1965-03-02	Bausch & Lomb	Process for manufacturing curved optical articles
US3251908A (en) *	1962-12-05	1966-05-17	Computing Devices Canada	Method and apparatus for making a curved surface
DE2303551C3 (de) *	1973-01-25	1981-05-14	Transformatoren Union Ag, 7000 Stuttgart	Anlage zum Herstellen von Gießlingen aus Kunstharz im Druckgießverfahren
DE2312934C3 (de) *	1973-03-15	1980-01-24	Et. Dentaire Ivoclar, Schaan (Liechtenstein)	Verfahren und Vorrichtung zur Herstellung von Dentalprothesen aus Kunststoff
GB1511901A (en) *	1974-05-06	1978-05-24	Bausch & Lomb	Forming lenses and lens blanks
US4008031A (en) *	1975-08-22	1977-02-15	Weber Hermann P	Apparatus for injection molding lenses

1978
- 1978-05-12 IT IT23319/78A patent/IT1094754B/it active
1979
- 1979-05-04 AT AT0334779A patent/AT391296B/de not_active IP Right Cessation
- 1979-05-04 CH CH419379A patent/CH641402A5/it not_active IP Right Cessation
- 1979-05-07 GR GR59036A patent/GR67597B/el unknown
- 1979-05-07 NO NO791516A patent/NO162009C/no unknown
- 1979-05-07 DE DE2954548A patent/DE2954548C2/de not_active Expired - Fee Related
- 1979-05-07 DE DE19792918323 patent/DE2918323A1/de not_active Ceased
- 1979-05-08 SE SE7904019A patent/SE432219B/sv not_active IP Right Cessation
- 1979-05-08 GB GB7915824A patent/GB2021474B/en not_active Expired
- 1979-05-09 BE BE6/46827A patent/BE876149A/fr not_active IP Right Cessation
- 1979-05-10 MX MX177595A patent/MX151517A/es unknown
- 1979-05-10 DK DK195179A patent/DK162590C/da active
- 1979-05-11 IL IL57252A patent/IL57252A0/xx not_active IP Right Cessation
- 1979-05-11 LU LU81249A patent/LU81249A1/fr unknown
- 1979-05-11 FR FR7912078A patent/FR2425314A1/fr active Granted
- 1979-05-11 BR BR7902929A patent/BR7902929A/pt unknown
- 1979-05-11 CA CA000327575A patent/CA1135913A/fr not_active Expired
- 1979-05-11 ES ES480497A patent/ES480497A1/es not_active Expired
- 1979-05-11 NL NL7903713A patent/NL7903713A/xx not_active Application Discontinuation
- 1979-05-12 JP JP5763979A patent/JPS54149765A/ja active Pending
- 1979-05-14 AU AU47032/79A patent/AU526381B2/en not_active Ceased
- 1979-08-08 IE IE1245/79A patent/IE48438B1/en not_active IP Right Cessation
1987
- 1987-10-07 HK HK735/87A patent/HK73587A/xx unknown

Also Published As

Publication number	Publication date
GB2021474B (en)	1982-08-11
GR67597B (fr)	1981-08-31
SE7904019L (sv)	1979-11-13
IT1094754B (it)	1985-08-02
MX151517A (es)	1984-12-10
ES480497A1 (es)	1979-12-16
LU81249A1 (fr)	1979-09-10
GB2021474A (en)	1979-12-05
AU526381B2 (en)	1983-01-06
FR2425314A1 (fr)	1979-12-07
DK195179A (da)	1979-11-13
IE791245L (en)	1979-11-12
CA1135913A (fr)	1982-11-23
IE48438B1 (en)	1985-01-23
IL57252A0 (en)	1979-09-30
NO162009C (no)	1989-10-25
JPS54149765A (en)	1979-11-24
BE876149A (fr)	1979-09-03
NO791516L (no)	1979-11-13
BR7902929A (pt)	1979-12-04
IT7823319A0 (it)	1978-05-12
DE2954548C2 (fr)	1992-07-23
DE2918323A1 (de)	1979-12-06
NL7903713A (nl)	1979-11-14
SE432219B (sv)	1984-03-26
DK162590B (da)	1991-11-18
FR2425314B1 (fr)	1984-01-13
AU4703279A (en)	1979-11-29
AT391296B (de)	1990-09-10
HK73587A (en)	1987-10-16
DK162590C (da)	1992-04-06
ATA334779A (de)	1990-03-15
NO162009B (no)	1989-07-17

Legal Events

Date	Code	Title	Description
1991-09-13	PUE	Assignment	Owner name: PROTEO S.R.L.
1991-09-13	PVP	Pledging	Free format text: CENTROBANCA S.P.A.
1996-01-31	PL	Patent ceased

Publication	Publication Date	Title
US4497754A (en)	1985-02-05	Casting plastic lenses from thermohardening monomer with compensation for polymer expansion and shrinkage
US4095772A (en)	1978-06-20	Casting apparatus for plastic lenses
US5433898A (en)	1995-07-18	Method of manufacturing a contact lens
US3423488A (en)	1969-01-21	Process for casting resinous lenses in thermoplastic cast replica molds
US3422168A (en)	1969-01-14	Process of casting resinous lenses in thermoplastic cast replica molds
CN103189191B (zh)	2015-04-29	眼科装置模具和相关方法
US3691263A (en)	1972-09-12	Method for manufacturing rotation-symmetric articles by centrifugal casting
KR20050043645A (ko)	2005-05-11	컨택트 렌즈용 성형틀
WO1994006621A9 (fr)	1994-05-26	Procede de fabrication d'une lentille de contact
US7718097B2 (en)	2010-05-18	Process for producing a plastic lens
US6257547B1 (en)	2001-07-10	Mold assembly for forming ophthalmic lens
RU2415011C2 (ru)	2011-03-27	Пресс-формы, используемые для изготовления контактных линз
US4806287A (en)	1989-02-21	Method for polymerization cast molding of lenses from hydrophilic gels
CH641402A5 (it)	1984-02-29	Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili.
US4227673A (en)	1980-10-14	Gasket for casting lenses
KR100976153B1 (ko)	2010-08-16	콘택트렌즈 제조용 몰드
FR2790993B1 (fr)	2001-06-15	Procede de demoulage d'un article en materiau polymere transparent et son utilisation pour la fabrication d'un article en materiau polymere transparent tel qu'une lentille ophtalmique
JP5349919B2 (ja)	2013-11-20	プラスチックレンズの製造方法
SU829443A1 (ru)	1981-05-15	Форма дл изготовлени оптическихиздЕлий из пОлиМЕРНыХ МАТЕРиАлОВ
US9050740B2 (en)	2015-06-09	Forming non-uniform optical guiding structures
CN217293312U (zh)	2022-08-26	一种带纳米光栅微结构的防蓝光镜片加工模具及防蓝光镜片
JPH0299912A (ja)	1990-04-11	色収差補正複合レンズ
JPS61106211A (ja)	1986-05-24	親水性プラスチックレンズ製造用鋳型
JP2013028078A (ja)	2013-02-07	プラスチックレンズの製造方法
JP3002423U (ja)	1994-09-27	モールド立て