DE2954548C2 - - Google Patents

Info

Publication number: DE2954548C2
Authority: DE; Germany
Prior art keywords: mold; mold halves; cavity; monomer; monomers
Prior art date: 1978-05-12
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 - Fee Related

Application number

DE2954548A

Other languages

German (de)

English (en)

Inventor

Giorgio Maria Mailand/Milano It Padoan

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.)

PROTEO S.R.L., LANCIANO, IT

Original Assignee

PROTEO Srl LANCIANO IT

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

1979-05-07

Publication date

1992-07-23

1979-05-07 Application filed by PROTEO Srl LANCIANO IT filed Critical PROTEO Srl LANCIANO IT

1992-07-23 Application granted granted Critical

1992-07-23 Publication of DE2954548C2 publication Critical patent/DE2954548C2/de

1999-05-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 claims description 16
239000000178 monomer Substances 0.000 claims description 15
229920000642 polymer Polymers 0.000 claims description 11
238000005266 casting Methods 0.000 claims description 8
239000011521 glass Substances 0.000 claims description 4
238000004519 manufacturing process Methods 0.000 claims description 4
239000003999 initiator Substances 0.000 claims description 3
239000000463 material Substances 0.000 claims description 3
230000003287 optical effect Effects 0.000 claims description 3
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 claims description 2
239000003054 catalyst Substances 0.000 claims description 2
239000006096 absorbing agent Substances 0.000 claims 1
IGBSAAYMSMEDQY-UHFFFAOYSA-N carboxy hydrogen carbonate;2-propan-2-ylperoxypropane Chemical compound OC(=O)OC(O)=O.CC(C)OOC(C)C IGBSAAYMSMEDQY-UHFFFAOYSA-N 0.000 claims 1
MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims 1
238000010438 heat treatment Methods 0.000 claims 1
238000006116 polymerization reaction Methods 0.000 description 5
229920001577 copolymer Polymers 0.000 description 4
239000007788 liquid Substances 0.000 description 4
125000006850 spacer group Chemical group 0.000 description 4
229920003002 synthetic resin Polymers 0.000 description 4
239000000057 synthetic resin Substances 0.000 description 4
239000012815 thermoplastic material Substances 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 3
229920005989 resin Polymers 0.000 description 3
239000011347 resin Substances 0.000 description 3
229920001519 homopolymer Polymers 0.000 description 2
238000007789 sealing Methods 0.000 description 2
239000004342 Benzoyl peroxide Substances 0.000 description 1
OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
235000019400 benzoyl peroxide Nutrition 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
230000008602 contraction Effects 0.000 description 1
230000003292 diminished effect Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000005489 elastic deformation Effects 0.000 description 1
238000001879 gelation Methods 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
230000000379 polymerizing effect Effects 0.000 description 1
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 1
239000002994 raw material Substances 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
239000000126 substance Substances 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)
Optics & Photonics (AREA)
Health & Medical Sciences (AREA)
Manufacturing & Machinery (AREA)
Ophthalmology & Optometry (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)

DE2954548A 1978-05-12 1979-05-07 Expired - Fee Related DE2954548C2 (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
DE2954548C2 true DE2954548C2 (it)	1992-07-23

Family

ID=11206027

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE2954548A Expired - Fee Related DE2954548C2 (it)	1978-05-12	1979-05-07
DE19792918323 Ceased DE2918323A1 (de)	1978-05-12	1979-05-07	Verfahren zur herstellung von linsen o.dgl.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
DE19792918323 Ceased DE2918323A1 (de)	1978-05-12	1979-05-07	Verfahren zur herstellung von linsen o.dgl.

Country Status (22)

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

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
JP2002525223A (ja) *	1998-09-30	2002-08-13	ノバルティスアクチエンゲゼルシャフト	レンズ成形用型キャリヤ
US6511311B1 (en)	1998-09-30	2003-01-28	Novartis Ag	Lens mold carriers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3171869A (en) *	1959-12-07	1965-03-02	Bausch & Lomb	Process for manufacturing curved optical articles
DE2303551A1 (de) *	1973-01-25	1974-08-01	Transformatoren Union Ag	Formanordnung zur herstellung von giesslingen aus kunstharz im druckgelierverfahren
US4008031A (en) *	1975-08-22	1977-02-15	Weber Hermann P	Apparatus for injection molding lenses

Family Cites Families (5)

* 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
US3251908A (en) *	1962-12-05	1966-05-17	Computing Devices Canada	Method and apparatus for making a curved surface
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

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 DE DE2954548A patent/DE2954548C2/de not_active Expired - Fee Related
- 1979-05-07 DE DE19792918323 patent/DE2918323A1/de not_active Ceased
- 1979-05-07 GR GR59036A patent/GR67597B/el unknown
- 1979-05-07 NO NO791516A patent/NO162009C/no unknown
- 1979-05-08 GB GB7915824A patent/GB2021474B/en not_active Expired
- 1979-05-08 SE SE7904019A patent/SE432219B/sv not_active IP Right Cessation
- 1979-05-09 BE BE6/46827A patent/BE876149A/xx 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 BR BR7902929A patent/BR7902929A/pt unknown
- 1979-05-11 FR FR7912078A patent/FR2425314A1/fr active Granted
- 1979-05-11 LU LU81249A patent/LU81249A1/xx unknown
- 1979-05-11 ES ES480497A patent/ES480497A1/es not_active Expired
- 1979-05-11 NL NL7903713A patent/NL7903713A/xx not_active Application Discontinuation
- 1979-05-11 IL IL57252A patent/IL57252A0/xx not_active IP Right Cessation
- 1979-05-11 CA CA000327575A patent/CA1135913A/en not_active Expired
- 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3171869A (en) *	1959-12-07	1965-03-02	Bausch & Lomb	Process for manufacturing curved optical articles
DE2303551A1 (de) *	1973-01-25	1974-08-01	Transformatoren Union Ag	Formanordnung zur herstellung von giesslingen aus kunstharz im druckgelierverfahren
US4008031A (en) *	1975-08-22	1977-02-15	Weber Hermann P	Apparatus for injection molding lenses

Also Published As

Publication number	Publication date
IE791245L (en)	1979-11-12
GB2021474A (en)	1979-12-05
CA1135913A (en)	1982-11-23
JPS54149765A (en)	1979-11-24
DK162590B (da)	1991-11-18
CH641402A5 (it)	1984-02-29
DK162590C (da)	1992-04-06
DK195179A (da)	1979-11-13
IL57252A0 (en)	1979-09-30
FR2425314B1 (it)	1984-01-13
NO791516L (no)	1979-11-13
LU81249A1 (fr)	1979-09-10
IT1094754B (it)	1985-08-02
ES480497A1 (es)	1979-12-16
SE432219B (sv)	1984-03-26
GR67597B (it)	1981-08-31
NL7903713A (nl)	1979-11-14
IT7823319A0 (it)	1978-05-12
NO162009B (no)	1989-07-17
DE2918323A1 (de)	1979-12-06
AU4703279A (en)	1979-11-29
BE876149A (fr)	1979-09-03
IE48438B1 (en)	1985-01-23
HK73587A (en)	1987-10-16
MX151517A (es)	1984-12-10
AU526381B2 (en)	1983-01-06
AT391296B (de)	1990-09-10
GB2021474B (en)	1982-08-11
NO162009C (no)	1989-10-25
FR2425314A1 (fr)	1979-12-07
ATA334779A (de)	1990-03-15
SE7904019L (sv)	1979-11-13
BR7902929A (pt)	1979-12-04

Legal Events

Date	Code	Title	Description
1987-04-02	Q172	Divided out of (supplement):	Ref country code: DE Ref document number: 2918323
1987-11-12	8110	Request for examination paragraph 44
1991-10-17	8127	New person/name/address of the applicant	Owner name: PROTEO S.R.L., LANCIANO, IT
1991-10-17	8128	New person/name/address of the agent	Representative=s name: DERZEIT KEIN VERTRETER BESTELLT
1992-06-04	8128	New person/name/address of the agent	Representative=s name: HOEFER, T., DIPL.-ING., 4800 BIELEFELD SCHMITZ, H.
1992-07-23	AC	Divided out of	Ref country code: DE Ref document number: 2918323 Format of ref document f/p: P
1992-07-23	D2	Grant after examination
1993-01-07	8363	Opposition against the patent
1996-05-09	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE2760153C2 (de)	1986-01-23	Verfahren zur Herstellung von Kontaktlinsen
DE2518905C2 (de)	1984-10-04	Vorrichtung zum Herstellen einer Linse aus einem polymerisierbaren Material
DE2734416C2 (de)	1986-09-18	Linsengießzelle
DE69523508T2 (de)	2002-05-08	Spritzgiessformteile und Spritzgiessenanlage zur Herstellung von Kontakt-Linsen
EP0637490B1 (de)	1999-03-31	Verfahren und Vorrichtung zur Herstellung von Kontaktlinsen
DE2839249A1 (de)	1979-03-22	Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens
DE2556658C2 (de)	1984-12-06	Kombinierte Kontaktlinse und ihre Herstellung
DE2820809A1 (de)	1978-11-23	Verfahren und vorrichtung zum giessen einer linse aus fluessigem kunststoff
EP0064247B1 (de)	1985-01-30	Vorrichtung zum Herstellen von Formteilen mit asphärischen Oberflächen
DE1504002A1 (de)	1969-03-13	Verfahren zum Herstellen von Linsen
DE69718254T2 (de)	2003-11-13	Weiche Kontaklinse mit hohem Wassergehalt und Verfahren zu deren Herstellung
EP0447361B1 (de)	1994-06-01	Kontaktlinsen-Giessform
DE2801221C3 (de)	1985-08-29	Kontinuierliches Gießverfahren für flüssige Methylmethacrylatsirupe
DE1595410B2 (de)	1975-04-17	Verfahren zur Herstellung von Gegenständen aus Hydrogelen durch Polymerisationsguß
CS260213B1 (en)	1988-12-15	Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method
DE2954548C2 (it)	1992-07-23
DE60303817T2 (de)	2006-11-16	Verfahren zum formen von kunststofflinsen
DE1946443B2 (de)	1978-01-19	Verfahren zur Herstellung eines Lichtleiters
DE69504532T2 (de)	1999-03-11	Verfahren und vorrichtung zum ummanteln von glassscheibenkanten mit einer polyurethandichtung
DE69220656T2 (de)	1998-01-29	Verfahren zur Herstellung von gleichförmige Polymerfasern
DE1936478B2 (de)	1973-09-13	Vorrichtung zum Herstellen von Platten aus polymerisierbarem Kunst stoff
DE69908272T2 (de)	2003-12-11	Verfahren zum giessen von kontaktlinsen
DE69218153T2 (de)	1997-10-09	Optisches Transmissionsmedium aus synthetischem Harz und Verfahren zur Herstellung
DE2740545C2 (de)	1987-05-07	Verfahren zum Gießen von Polymerenstäben
DE1945321A1 (de)	1971-03-11	Verfahren zur Herstellung von optischen Elementen aus duroplastischen Kunststoffen