AU3089989A - Method and apparatus for molding and casting using gated dies having parametric molding surfaces - Google Patents
Method and apparatus for molding and casting using gated dies having parametric molding surfacesInfo
- Publication number
- AU3089989A AU3089989A AU30899/89A AU3089989A AU3089989A AU 3089989 A AU3089989 A AU 3089989A AU 30899/89 A AU30899/89 A AU 30899/89A AU 3089989 A AU3089989 A AU 3089989A AU 3089989 A AU3089989 A AU 3089989A
- Authority
- AU
- Australia
- Prior art keywords
- molding
- parametric
- gated
- dies
- casting
- 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.)
- Abandoned
Links
- 238000000465 moulding Methods 0.000 title 2
- 238000005266 casting Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US163308 | 1980-06-26 | ||
US07/163,308 US4839110A (en) | 1988-03-02 | 1988-03-02 | Method of molding using gated dies |
US07/163,771 US4874561A (en) | 1988-03-03 | 1988-03-03 | Method for designing parametric molding apparatus |
US163771 | 1993-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3089989A true AU3089989A (en) | 1989-09-07 |
Family
ID=26859528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU30899/89A Abandoned AU3089989A (en) | 1988-03-02 | 1989-03-01 | Method and apparatus for molding and casting using gated dies having parametric molding surfaces |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH01316226A (en) |
AU (1) | AU3089989A (en) |
DE (1) | DE3906564A1 (en) |
FR (1) | FR2628031B1 (en) |
GB (2) | GB2219241A (en) |
IT (1) | IT1232661B (en) |
LU (1) | LU87465A1 (en) |
NL (1) | NL8900499A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5137441A (en) * | 1990-10-30 | 1992-08-11 | Minnesota Mining And Manufacturing Company | Mold assembly for making an ocular lens blank |
US5160749A (en) * | 1990-10-30 | 1992-11-03 | Minnesota Mining And Manufacturing Company | Three piece mold assembly for making an ocular device |
EP0484089B1 (en) * | 1990-10-30 | 1995-07-19 | Minnesota Mining And Manufacturing Company | Three piece mold assembly for making an ocular device |
JPH11114979A (en) * | 1997-10-15 | 1999-04-27 | Menicon Co Ltd | Molding machine for eye lens material and method for molding using it |
FR2790706B1 (en) * | 1999-03-08 | 2001-06-08 | Essilor Int | THREE-PART MOLD FOR THE MANUFACTURE OF EYE ARTICLES OF TRANSPARENT POLYMERIC MATERIAL |
WO2001032407A1 (en) * | 1999-11-04 | 2001-05-10 | Concepcionlicence Ag | Device for the production of optical lenses of polymerizable material |
DE10048861A1 (en) * | 2000-10-02 | 2002-04-25 | Krauss Maffei Kunststofftech | Thick-walled plastic lens molding method, involves molding a thin walled component and increasing cavity size during continued injection to produce a thick walled component |
DE102007037204B4 (en) * | 2007-08-07 | 2020-11-12 | Docter Optics Se | Method for producing an optical lens element, in particular a headlight lens for a motor vehicle headlight and batch of headlight lenses produced one behind the other |
JP5788231B2 (en) * | 2011-06-10 | 2015-09-30 | Hoya株式会社 | Lens manufacturing method and spectacle lens manufacturing system |
Family Cites Families (19)
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 (en) * | 1963-04-23 | 1964-06-05 | Morvan Soc | Improvement in heat treatment, more especially in vulcanization, insitu, of elastic masses and in particular of seals |
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 |
IL39580A (en) * | 1971-06-04 | 1975-03-13 | Ashland Optical Corp | Multiple molding of plastic optical lenses |
DE2308144A1 (en) * | 1973-02-19 | 1974-08-22 | Battelle Institut E V | Inhomogeneously constructed contact lens - incorporating a pharmaceutically active ingredient |
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 (en) * | 1977-01-21 | 1982-09-10 | Weber Hermann P | METHOD AND DEVICE FOR PRODUCING AN OPTICAL LENS BY INJECTION MOLDING |
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 (en) * | 1982-07-16 | 1984-01-20 | Essilor Int | MOLDING DEVICE, IN PARTICULAR FOR OPTICAL ELEMENT, FOR EXAMPLE OPHTHALMIC LENS |
FR2530181A1 (en) * | 1982-07-16 | 1984-01-20 | Essilor Int | METHOD AND DEVICE FOR MOLDING AN OPTICAL MEMBER IN SYNTHETIC MATERIAL |
-
1989
- 1989-03-01 IT IT8947700A patent/IT1232661B/en active
- 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/en not_active Application Discontinuation
- 1989-03-02 LU LU87465A patent/LU87465A1/en unknown
- 1989-03-02 DE DE3906564A patent/DE3906564A1/en not_active Ceased
- 1989-03-02 FR FR8902721A patent/FR2628031B1/en not_active Expired - Fee Related
- 1989-03-02 JP JP1050960A patent/JPH01316226A/en active Pending
- 1989-06-30 GB GB8915053A patent/GB2219243A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPH01316226A (en) | 1989-12-21 |
NL8900499A (en) | 1989-10-02 |
GB8915053D0 (en) | 1989-08-23 |
FR2628031A1 (en) | 1989-09-08 |
GB2219243A (en) | 1989-12-06 |
IT1232661B (en) | 1992-03-02 |
GB2219241A (en) | 1989-12-06 |
FR2628031B1 (en) | 1995-05-19 |
GB8904653D0 (en) | 1989-04-12 |
LU87465A1 (en) | 1989-08-30 |
DE3906564A1 (en) | 1989-10-12 |
IT8947700A0 (en) | 1989-03-01 |
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