NL8900499A - Werkwijze en inrichting voor vormen en gieten met gebruikmaking van matrijzen die van een zijkanaal zijn voorzien en parametrische vormvlakken hebben. - Google Patents

Werkwijze en inrichting voor vormen en gieten met gebruikmaking van matrijzen die van een zijkanaal zijn voorzien en parametrische vormvlakken hebben. Download PDF

Info

Publication number: NL8900499A
Authority: NL; Netherlands
Prior art keywords: dies; bore; side channel; molding; forming
Prior art date: 1988-03-02

Application number

NL8900499A

Other languages

English (en)

Dutch (nl)

Original Assignee

Pilkington Visioncare Holdings

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.)

1988-03-02

Filing date

1989-03-01

Publication date

1989-10-02

1988-03-02 Priority claimed from US07/163,308 external-priority patent/US4839110A/en

1988-03-03 Priority claimed from US07/163,771 external-priority patent/US4874561A/en

1989-03-01 Application filed by Pilkington Visioncare Holdings filed Critical Pilkington Visioncare Holdings

1989-10-02 Publication of NL8900499A publication Critical patent/NL8900499A/nl

Links

238000005266 casting Methods 0.000 title claims description 49
238000000034 method Methods 0.000 title claims description 47
238000000465 moulding Methods 0.000 claims description 74
239000000463 material Substances 0.000 claims description 40
239000012778 molding material Substances 0.000 claims description 33
230000003287 optical effect Effects 0.000 claims description 29
238000004519 manufacturing process Methods 0.000 claims description 17
230000002093 peripheral effect Effects 0.000 claims description 16
238000007789 sealing Methods 0.000 claims description 11
238000003780 insertion Methods 0.000 claims description 10
230000037431 insertion Effects 0.000 claims description 10
230000006835 compression Effects 0.000 claims description 5
238000007906 compression Methods 0.000 claims description 5
239000007788 liquid Substances 0.000 claims description 5
238000005304 joining Methods 0.000 claims description 3
238000005520 cutting process Methods 0.000 claims description 2
238000003825 pressing Methods 0.000 claims 5
230000008569 process Effects 0.000 description 18
239000000203 mixture Substances 0.000 description 9
238000006243 chemical reaction Methods 0.000 description 4
238000010276 construction Methods 0.000 description 4
230000009471 action Effects 0.000 description 3
239000007789 gas Substances 0.000 description 3
238000007493 shaping process Methods 0.000 description 3
238000013459 approach Methods 0.000 description 2
238000000748 compression moulding Methods 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000013461 design Methods 0.000 description 2
238000006073 displacement reaction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000002347 injection Methods 0.000 description 2
239000007924 injection Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
229920001187 thermosetting polymer Polymers 0.000 description 2
238000006555 catalytic reaction Methods 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
238000012937 correction Methods 0.000 description 1
238000001723 curing Methods 0.000 description 1
230000006378 damage Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
238000007599 discharging Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000009477 glass transition Effects 0.000 description 1
238000000227 grinding Methods 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
238000003754 machining Methods 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012856 packing Methods 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
238000005498 polishing Methods 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000004886 process control Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
230000005855 radiation Effects 0.000 description 1
239000011265 semifinished product Substances 0.000 description 1
238000007711 solidification Methods 0.000 description 1
230000008023 solidification Effects 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000013022 venting 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
- B29D11/0048—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
- 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
- B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
- 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
- B29C33/30—Mounting, exchanging or centering
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (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)

NL8900499A 1988-03-02 1989-03-01 Werkwijze en inrichting voor vormen en gieten met gebruikmaking van matrijzen die van een zijkanaal zijn voorzien en parametrische vormvlakken hebben. NL8900499A (nl)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US07/163,308 US4839110A (en)	1988-03-02	1988-03-02	Method of molding using gated dies
US16330888		1988-03-02
US16377188		1988-03-03
US07/163,771 US4874561A (en)	1988-03-03	1988-03-03	Method for designing parametric molding apparatus

Publications (1)

Publication Number	Publication Date
NL8900499A true NL8900499A (nl)	1989-10-02

Family

ID=26859528

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8900499A NL8900499A (nl)	1988-03-02	1989-03-01	Werkwijze en inrichting voor vormen en gieten met gebruikmaking van matrijzen die van een zijkanaal zijn voorzien en parametrische vormvlakken hebben.

Country Status (8)

Country	Link
JP (1)	JPH01316226A (fr)
AU (1)	AU3089989A (fr)
DE (1)	DE3906564A1 (fr)
FR (1)	FR2628031B1 (fr)
GB (2)	GB2219241A (fr)
IT (1)	IT1232661B (fr)
LU (1)	LU87465A1 (fr)
NL (1)	NL8900499A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5160749A (en) *	1990-10-30	1992-11-03	Minnesota Mining And Manufacturing Company	Three piece mold assembly for making an ocular device
JP2545311Y2 (ja) *	1990-10-30	1997-08-25	ミネソタマイニングアンドマニュファクチャリングカンパニー	眼科用具製造用成形型組立体
US5137441A (en) *	1990-10-30	1992-08-11	Minnesota Mining And Manufacturing Company	Mold assembly for making an ocular lens blank
JPH11114979A (ja) *	1997-10-15	1999-04-27	Menicon Co Ltd	眼用レンズ材料の成形装置及びそれを用いた成形方法
FR2790706B1 (fr) *	1999-03-08	2001-06-08	Essilor Int	Moule en trois parties pour la fabrication d'articles oculaires en materiau polymere transparent
JP2003512949A (ja) *	1999-11-04	2003-04-08	コンセプションライセンスアクチェンゲゼルシャフト	重合可能材料の光学レンズ製造装置
DE10066272B4 (de) *	2000-10-02	2009-01-29	Kraussmaffei Technologies Gmbh	Verfahren und Vorrichtung zum Herstellen von dickwandigen Formteilen
DE102007037204B4 (de) *	2007-08-07	2020-11-12	Docter Optics Se	Verfahren zum Herstellen eines optischen Linsenelementes, insbesondere einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer sowie Charge von hintereinander hergestellten Scheinwerferlinsen
JP5788231B2 (ja) *	2011-06-10	2015-09-30	Hoya株式会社	レンズ製造方法、及び眼鏡レンズ製造システム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB650692A (en) *	1944-11-28	1951-02-28	Teksun Inc	Injection mold for use in molding opthalmic lenses and other articles
GB611432A (en) *	1946-04-26	1948-10-29	James Mitchell Anderson	A new or improved means for moulding ophthalmic contact lenses from plastics
US2890486A (en) *	1955-08-29	1959-06-16	American Optical Corp	Mold for producing lens of any shape from a polymerizable material
GB796825A (en) *	1955-10-04	1958-06-18	American Optical Corp	Improvements in or relating to casting devices for optical elements
GB915523A (en) *	1959-01-28	1963-01-16	Combined Optical Ind Ltd	Improvements in or relating to casting
FR1362588A (fr) *	1963-04-23	1964-06-05	Morvan Soc	Perfectionnement au traitement thermique, plus spécialement à la vulcanisation, insitu, de masses élastiques et notamment de joints d'étanchéité
US3423488A (en) *	1966-05-11	1969-01-21	Ppg Industries Inc	Process for casting resinous lenses in thermoplastic cast replica molds
US3605195A (en) *	1970-08-24	1971-09-20	Charles D Campbell	Mold assembly for casting plastic optical lenses
GB1366927A (en) *	1970-12-14	1974-09-18	Goodyear Tire & Rubber	Method of moulding plastics materials under pressure
CH550653A (de) *	1971-06-04	1974-06-28	Ashland Optical Corp	Einrichtung zum gleichzeitigen giessen einer vielzahl von optischen kunststofflinsen.
DE2308144A1 (de) *	1973-02-19	1974-08-22	Battelle Institut E V	Kontakklinse
US3881683A (en) *	1973-11-29	1975-05-06	American Optical Corp	Gasket for lens mold
JPS5225651A (en) *	1975-08-22	1977-02-25	Olympus Optical Co Ltd	Process for fabricating an optical curved surface using a photopolymer izable adhesive
US4208364A (en) *	1976-03-24	1980-06-17	Shepherd Thomas H	Process for the production of contact lenses
AT368067B (de) *	1977-01-21	1982-09-10	Weber Hermann P	Verfahren und vorrichtung zur herstellung einer optischen linse durch spritzgiessen
GB2088273A (en) *	1980-12-03	1982-06-09	Philips Electronic Associated	Method of making biaspherical optical elements
US4353849A (en) *	1981-06-19	1982-10-12	Lawrence Lewison	Manufacture of soft contact lenses having vent passageways
FR2530182A1 (fr) *	1982-07-16	1984-01-20	Essilor Int	Dispositif de moulage, notamment pour element optique, par exemple lentille ophtalmique
FR2530181A1 (fr) *	1982-07-16	1984-01-20	Essilor Int	Procede et dispositif pour le moulage d'un element optique en matiere synthetique

1989
- 1989-03-01 GB GB8904653A patent/GB2219241A/en not_active Withdrawn
- 1989-03-01 AU AU30899/89A patent/AU3089989A/en not_active Abandoned
- 1989-03-01 NL NL8900499A patent/NL8900499A/nl not_active Application Discontinuation
- 1989-03-01 IT IT8947700A patent/IT1232661B/it active
- 1989-03-02 DE DE3906564A patent/DE3906564A1/de not_active Ceased
- 1989-03-02 JP JP1050960A patent/JPH01316226A/ja active Pending
- 1989-03-02 FR FR8902721A patent/FR2628031B1/fr not_active Expired - Fee Related
- 1989-03-02 LU LU87465A patent/LU87465A1/fr unknown
- 1989-06-30 GB GB8915053A patent/GB2219243A/en not_active Withdrawn

Also Published As

Publication number	Publication date
DE3906564A1 (de)	1989-10-12
IT8947700A0 (it)	1989-03-01
LU87465A1 (fr)	1989-08-30
GB8904653D0 (en)	1989-04-12
AU3089989A (en)	1989-09-07
GB2219243A (en)	1989-12-06
IT1232661B (it)	1992-03-02
FR2628031A1 (fr)	1989-09-08
FR2628031B1 (fr)	1995-05-19
JPH01316226A (ja)	1989-12-21
GB2219241A (en)	1989-12-06
GB8915053D0 (en)	1989-08-23

Legal Events

Date	Code	Title	Description
1991-11-01	BV	The patent application has lapsed

Publication	Publication Date	Title
US4874561A (en)	1989-10-17	Method for designing parametric molding apparatus
EP0144622B1 (fr)	1988-08-31	Dispositif et procédé de moulage par injection de lentilles
US4091057A (en)	1978-05-23	Method for injection molding lenses
EP0336946B1 (fr)	1994-02-23	Moulage de composants optiques thermoplastiques
EP1895341A1 (fr)	2008-03-05	Élément optique et son dispositif de fabrication
NL7906154A (nl)	1980-04-01	Gietinrichting.
AU6559494A (en)	1994-11-08	Moulded photochromic lens and method of making same
US3894710A (en)	1975-07-15	Mold forms coating synthetic resin lenses
HK103496A (en)	1996-06-21	Process for the production of contact lenses
JPS62268620A (ja)	1987-11-21	物品を成型する為の方法
NL8900499A (nl)	1989-10-02	Werkwijze en inrichting voor vormen en gieten met gebruikmaking van matrijzen die van een zijkanaal zijn voorzien en parametrische vormvlakken hebben.
EP0447361B1 (fr)	1994-06-01	Moule pour couler des lentilles de contact
US5928682A (en)	1999-07-27	Annular gated mold for the injection molding of contact lenses
US20040099971A1 (en)	2004-05-27	Lens molds and method of using the same
GB2050928A (en)	1981-01-14	Method and apparatus for molding ophthalmic lenses without spoilation
KR20030046438A (ko)	2003-06-12	열가소성수지 렌즈의 성형 방법, 및 그 방법으로 제작되어고곡률 및/또는 얇은 두께를 갖는 렌즈
EP2352628B1 (fr)	2017-04-19	Procédé de revêtement de lentilles dans un moule
EP0377020A4 (en)	1991-04-24	Method and apparatus for manufacturing disposable optical molds
CA1314377C (fr)	1993-03-16	Procede et dispositif de moulage/coulage a moules reglables
US6390621B1 (en)	2002-05-21	Manufacturing of positive power ophthalmic lenses
JPS6119409B2 (fr)	1986-05-17
MXPA06008099A (es)	2007-01-26	Moldeo por compresion de inyeccion.
US6419860B1 (en)	2002-07-16	Device for the production of optical lenses of polymerizable material
WO2014038940A1 (fr)	2014-03-13	Procédé pour fabriquer un insert optique destiné à un moule d'injection pour la réalisation d'un dispositif ophtalmique
GB1577522A (en)	1980-10-22	Injection moulding of lenses