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| Number | Title | Issue Date |
| 8029707 | Surface casting onto a polycarbonate photochromic substrate A system and method for providing photochromic segmented multifocal optical lenses. A latex primer formulation is provided for effectuating adhesion of a surface casting composition onto a lens having a photochromic coating. The method provides efficient, cost effec... | 10/04/2011 |
| 7993548 | Method of manufacturing a vessel The invention concerns a novel sample tube and a method of manufacturing a such a sample tube. According to the method an oversized mold cavity is formed with an opposing pair of mold members of an injection molding machine, the mold members being movable relative t... | 08/09/2011 |
| 7854865 | Method of injection molding thin thermoplastic lenses Methods are disclosed to injection mold resins, like polycarbonate, to form solid optical lenses. The lenses are ideally suited for use as very thin coating carriers. The method involves closing the mold with a clamp force less than the force exerted on the insert d... | 12/21/2010 |
| 7842203 | Gasket for molding plastic lens A mold (1) for molding a plastic lens is formed of a first mold (3) which forms one lens surface of the plastic lens, a second mold (4) which forms the other lens surface of the plastic lens, and a cylindrical gasket (2) into which the fi... | 11/30/2010 |
| 7842204 | Method for producing laminated photochromic lenses A method for laminating an optical assembly and the optical assembly formed thereby. An ultra thin lens is injection molded and may include a bifocal feature. A support lens, e.g. of the single vision type, is provided with a photochromic coating. A flexible two sta... | 11/30/2010 |
| 7763191 | Method and apparatus for performing an in-mold coining operation A hardware configuration and related method for performing a coining-type injection compression operation. The invention is useful in molding lenses since lenses have different thicknesses at various points. The equipment maintains the mold in a closed position duri... | 07/27/2010 |
| 7727429 | Core for molding a ceramic discharge vessel A method of molding a ceramic vessel includes compressing a water-soluble powder, suspending the compressed powder shape in a mold, injecting a ceramic molding mixture into the mold, and dissolving the compressed powder by flushing the vessel with water. A core for ... | 06/01/2010 |
| 7718098 | Method for obtaining an optical lens and joint and device for the implementation thereof The method includes the use of a closed mold consisting of two shells (2,3) and an annular joint (4), the joint having a hole (19) for filling the mold cavity with a polymerizable material, the introduction of the material occurring after a stag... | 05/18/2010 |
| 7704418 | Manufacturing optical elements An optical element is manufactured using a replication tool comprising a negative structural feature defined in a replication side of the replication tool, and a peripheral feature formed in the replication side of the replication tool adjacent the negative structur... | 04/27/2010 |
| 7407607 | Mold and method for casting ophthalmic lenses The invention relates generally to ophthalmic molds and methods useful for casting ophthalmic moldings. In one aspect, the invention relates to a mold for casting an ophthalmic molding formed from a first mold half detachably affixed to a second mold half, whereby t... | 08/05/2008 |
| RE40152 | Injection molded thermoplastic spectacle lens suited for fully automated dip hardcoating Plastic injection-compression multi-cavity molding of flash-free improved-cleanliness thermoplastic spectacle lenses (16) are suitable to be robotically dip hardcoated. Special spring-loaded (25, 26) molds having variable-volume mold cavities are used ... | 03/18/2008 |
| 7332110 | Method and device for producing optical part An annular insert (4) is arranged in the optical component molding cavity of a mold to surround an outer periphery of raw material resin in a direction in which the resin is distributed in the cavity to limit the distribution of the raw material resin and def... | 02/19/2008 |
| 7326375 | Injection compression molding method and injection compression machine of lens An injection compression molding method of a lens is provided, where a toggle link mechanism (65) is actuated to close a molding die (50) and a movable die plate (64) is moved to a position establishing a cavity thickness of greater than a thick... | 02/05/2008 |
| 7311399 | Method of making a thermoplastic-based article and a thermoplastic-based article made thereby An article, such as a lens article (10, 10′, 10″, 100) containing a first component, e.g., a filter (14, 14′), or component thereof, having a minimum degradation temperature, and a second component, e.g., a substrate (22, 22′), comprisin... | 12/25/2007 |
| 7264755 | Lens molding apparatus and related methods An adjustable mold includes a distortable boundary, a flexible membrane, and a pressurizer, and method of use thereof. Pressure is applied to the flexible membrane, which causes the membrane to distort over the boundary. The shape of the boundary and the distortion ... | 09/04/2007 |
| 7255553 | Light guide plate mold core and method for manufacturing the same A light guide plate mold core (1) includes a main body (13) having a molding surface (12) and a plurality of concavities (13a) formed at the molding surface. The main body is made of a material whose thermal conductivity is limited... | 08/14/2007 |
| 7252495 | Press-molding mold A press-molding mold includes a first mold part (10), a second mold part (20), a bushing (40), a first latching pin (50) and a second latching pin (70). The second mold part (20) defines a longitudinal central axis (21 | 08/07/2007 |
| 7249848 | Wettable hydrogels comprising reactive, hydrophilic, polymeric internal wetting agents The present invention relates to wettable silicone hydrogels comprising the reaction product of at least one siloxane containing component and at least one reactive, hydrophilic polymeric internal wetting agent. The present invention further relates to silicone hydr... | 07/31/2007 |
| 7244813 | Methods of purifying polymeric material A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a polymeric material having reduced levels of particulate impurities. The polymer... | 07/17/2007 |
| 7227703 | Aspheric lens and method for making same An aspheric lens (1) includes a substrate (10) and an aspheric film (12). The substrate (10) is made of glass, and has a spherical surface (102). The aspheric film (12) is formed on a surface of the substrate (10), an... | 06/05/2007 |
| 7192444 | Aspheric soft lens An aspheric soft intraocular lens, having an optical power surface, which may have multiple radii portions or aspherical portions, as well as spherical portions, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction. ... | 03/20/2007 |
| 7161736 | Solid immersion lens structures and methods for producing solid immersion lens structures A microlens structure such as a solid immersion lens structure is a radiation transmissive pliant elastomer cast to a desired shape and smoothness. A method for construction of a solid immersion lens structure includes providing a mold defining a lens shaped cavity ... | 01/09/2007 |
| 7156638 | Mold, molding system and molding machine for making ophthalmic devices This invention provides a mold comprising a first mold half which works in conjunction with a second mold half for forming ophthalmic devices wherein said first mold half comprises at least one changeable cassette comprising inserts for forming said ophthalmic devic... | 01/02/2007 |
| 7156641 | Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture This invention provides a mold for forming a contact lens comprising an overflow collector, which causes the overflow reactive mixture to be accumulated, and not to spread out as it would upon the typically flat surface of a prior art mold. This invention further pr... | 01/02/2007 |
| 7132632 | High frequency induction heater built in an injection mold A high frequency induction heater built in an injection mold. The high frequency induction heater has a metal or silicon mold-insert, at least a heating module and at least a thermometer detector. The elements are reasonably fit with the mold-insert utilizing well-d... | 11/07/2006 |
| 7124995 | Holder for mold assemblies and molds A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. ... | 10/24/2006 |
| 7122137 | Device and process for producing optical molded parts from plastic A device has a first mold plate mounted rotatably using a shaft, and a second mold plate, between which a cavity is formed. The device further has an apparatus for applying an erecting force to the first mold plate such that in the open state of the device the first... | 10/17/2006 |
| 7113651 | Multi-spectral miniature microscope array A multi-spectral miniature microscope objective imaging system for a miniature microscope array includes one or more illuminating light sources for illuminating an object with light including multiple spectral bands, a multi-spectral imaging miniature microscope obj... | 09/26/2006 |
| 7108811 | Process and device for producing moulded parts from plastic In a process for producing, in particular, optical moulded parts from plastic, a first mould plate (1′) is moved in the direction of the second mould plate (2′) until the mould plates (1′, 2′) make contact at stop faces (9, 10). S... | 09/19/2006 |
| 7106528 | Method and apparatus for manufacturing large double-sided curved Fresnel lens A method of manufacturing a large double-sided curved Fresnel lens. The method includes a machining step (A) of performing ultra-precise three-dimensional machining on an upper mold and a lower mold to each have an upper transfer surface and a lower transfer surface... | 09/12/2006 |
| 7073618 | Flush mounted taillight A light assembly for mounting to a motorcycle fender that has an aperture sized to receive the light assembly, the light assembly in embodiments of the invention may include one or more of the following features: (a) a reflector, (b) a source of light, and (c) a len... | 07/11/2006 |
| 7070311 | Vehicle light for producing light whose form depends on orientations of plural refraction elements A vehicle light includes several light source units positioned on different planes, each of which light source units has a light emitting diode, and a transparent convex covering part formed with a refraction side facing the light emitting diode; when light from one... | 07/04/2006 |
| 7063422 | Multifocal ophthalmic lens This invention is generally related to vision corrections by means of multifocal ophthalmic lenses or by means of corneal refractive surgery. In particular, the present invention provides a multifocal contact lens, a multifocal intraocular lens, a method for making ... | 06/20/2006 |
| 7050691 | Optical waveguide and method of manufacturing the same A method of manufacturing an optical waveguide having a core and a clad. The method includes forming a first clad by applying a resin on a substrate and curing the resin, applying a core material between a recessed mold which has a recess having a shape identical to... | 05/23/2006 |
| 7041247 | Injection and compression molding with parallelism mechanism In an injection compression-molding apparatus, a molded article is produced by setting molds 10 and 11 to an intermediate clamped state, and then by setting the molds 10 and 11 to a final clamped state by re-clamping the molds 10 a... | 05/09/2006 |
| 7023622 | Miniature microscope objective lens A miniature microscope objective for a miniature microscope array (MMA) includes preferably at least three or four lenses including from object to image a first positive lens, a second positive lens and a third negative lens. The objective has a numerical aperture (... | 04/04/2006 |
| 7018190 | Resin multilayer molding method and multilayer molding device A resin multilayer molding method in which a skin material having a resin decorating layer on a surface and a core-material resin are integrally molded in a mold, comprising the steps of: presetting a relationship of a glass transition point (Tgs) of the resin decor... | 03/28/2006 |
| 7004583 | Eyewear lenses and methods of manufacturing Unfinished lenses, semi-finished lens including optical coatings or a transmission altering layer and methods of manufacturing are described. The unfinished lens includes an optical coating and a surface configured to receive a curve. Non-prescriptive and prescripti... | 02/28/2006 |
| 6998076 | Injection compression molding method and machine for carrying out the same A method of this invention is an injection compression molding method of molding a thin molding, using an injection compression molding machine including: a pair of a movable mold and a stationary mold defining a molding space; a movable die plate on which the movab... | 02/14/2006 |
| 6994538 | Apparatus and method for molding optical lenses An apparatus and a method for molding optical lenses are disclosed. The apparatus comprises a first molding shell with a first diameter, a sealing element surrounding the first molding shell, and means for radially clamping the sealing element against the first mold... | 02/07/2006 |
