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| Number | Title | Issue Date |
| 7427198 | Optical component molding apparatus An apparatus for molding optical components of a small size and high precision is provided with good transferability and a reduced production cycle. This apparatus includes a plurality of runners arranged in a pattern allowing multi-cavity molding for molding plasti... | 09/23/2008 |
| 7422710 | Method for manufacturing a contact lens The invention provides molds and mold inserts useful in the production of contact lenses. In particular, the invention provides high optical quality molds and inserts useful for manufacturing silicone hydrogel contact lenses. ... | 09/09/2008 |
| 7406223 | Optical element and method of molding the same The present invention provides an optical element capable of preventing a ghost in the use for a sensor such as a CCD or CMOS. In the optical element including an optical function surface of high surface accuracy and a flange formed around the surface, the optical f... | 07/29/2008 |
| 7402032 | Mold apparatus and manufacturing method for the mold apparatus A mold apparatus (200) includes an upper mold (40) and a lower mold (50). The upper mold includes an upper guide sleeve (42), an upper mold seat (44), and an upper mold core (46). The lower mold includes a lower guide sleeve... | 07/22/2008 |
| 7399176 | Device for aligning two shell molds A device for aligning a first and a second shell mold comprises a first gripper for holding the first shell mold, a second gripper for holding the second shell mold, and a centering station. Both grippers can be displaced relative to one another and relative to the ... | 07/15/2008 |
| 7387759 | System and method for curing polymeric moldings having a masking collar A system and method for forming a polymeric molding. A mold component includes a transmissive portion for passing curing energy such as UV light into the mold cavity. A masking collar is engaged around the transmissive portion to block curing energy from exposing an... | 06/17/2008 |
| 7384590 | System and method for curing polymeric moldings A system and method for forming a polymeric molding. A mold component includes a UV-absorptive material for preventing undesired reflection or transmission of curing energy within the mold cavity, thereby providing more precise control of the edge geometry of the mo... | 06/10/2008 |
| 7381047 | Mold A mold capable of preventing deterioration of the mold even when a material for spherical members is harder than that for the mold, and capable of aligning the center axis between an insert member and a body member thereof with high accuracy even when a pressure of ... | 06/03/2008 |
| 7377477 | Product forming molds and methods to manufacture same Product forming molds have surfaces conformally coated with a coating composite comprising superabrasive particles. In one embodiment, the mold surface is plated (electrolessly or electrolytically) or coated with a metal having superabrasive particles dispersed ther... | 05/27/2008 |
| 7371339 | Prismatic retroreflector having a multi-plane facet A retroreflective structure includes a retroreflective sheeting having an array of transparent prisms formed into pairs of prisms. Each prism includes a base aperture and three intersecting lateral faces meeting at an apex. Each of the lateral faces includes a base ... | 05/13/2008 |
| 7367793 | Mold with movable core insert A mold includes a first board (10), a second board (20), and a core insert (30). The first board is mounted on the second board, and the core insert is slidably mounted between the first board and the second board, under the control of an adjust... | 05/06/2008 |
| 7354535 | Method and apparatus for adhering light-shielding sheets respectively onto transparent bodies An apparatus includes a machine bed, a holder unit disposed movably on the machine bed, and an adhesion unit. A method for adhering a light-shielding sheet onto a transparent body includes: (A) moving the transparent body on a mach... | 04/08/2008 |
| 7344370 | Device and method for assembling mold for forming plastic lens A device (20) for assembling a plastic-lens-forming casting mold includes a gasket clamping mechanism (22) which clamps a gasket (2) from its axial direction, a first mold push-in mechanism (23) which pushes in an upper mold (3) fi... | 03/18/2008 |
| 7341442 | Mold for molding lenses An exemplary mold for molding lenses includes an upper mold core, a lower mold core, and a shell. The upper mold core has a first convex molding surface. The lower mold core has a second convex molding surface opposite to the first convex molding surface. The shell ... | 03/11/2008 |
| 7334769 | Resin molding machine and member for resin molding machine having film in passive state A member for a resin molding machine wherein it has a face contacting with a molten resin, and at least a part of the face is covered with a film of an oxide of a base material of the face or a component contained in the base material. The use of the member in the m... | 02/26/2008 |
| 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 |
| 7329378 | Molding method, cooling apparatus and optical element There is described a molding method for molding a product, having a microscopic structure of high aspect ratio. The molding method includes the steps of: setting a temperature of a mold, having a microscopic shape, at a value higher than a glass transition temperatu... | 02/12/2008 |
| 7329114 | Isothermal imprint embossing system Isothermal imprint embossing system. In one embodiment, the system includes a heater to pre-heat a disk substrate to an embossing temperature, a die assembly with an embossing foil to imprint the embossable film disposed on the disk substrate, and a heat tunnel disp... | 02/12/2008 |
| 7329372 | Method for producing aspherical structure, and aspherical lens array molding tool and aspherical lens array produced by the same method A method for producing an aspherical structure according to the invention includes the steps of: forming a layer on a surface of a substrate so that the layer exhibits an etching rate distribution in a direction perpendicular to the surface of the substrate; forming... | 02/12/2008 |
| 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 |
| 7323123 | Method of fabricating light-guide plate A method of fabricating a light-guide plate includes preparing an upper mold frame having an inclined inner surface and a lower mold frame having a space therein, preparing a micro pattern plate having a surface including one of a plurality of grooves and a pluralit... | 01/29/2008 |
| 7320587 | Contact lens molds and systems and methods for producing same Contact lens molds and systems and methods for producing contact lens molds are described. The contact lens mold sections include two optical quality surfaces, a flange circumscribing at least a portion of the two optical quality surfaces, and an elongate member ext... | 01/22/2008 |
| 7293978 | Device for forming high precision optical lens and the product made by the device A high precision molding device for insert-molding optical lens comprises a stationary sub-mould and a movable sub-mould for engaging with the stationary sub-mould thereby forming a mould cavity therebetween for molding an optical lens. The molded lens has a body an... | 11/13/2007 |
| 7281699 | Universal accommodating IOL holder for lens processing and packaging The present invention provides a holder for supporting a two optic accommodating intraocular lens device. The holder is capable of holding the device while taking measurements or performing manufacturing process steps on the device and/or packaging the device. In a ... | 10/16/2007 |
| 7273204 | Mold for forming optical lens and method for manufacturing such mold A mold 50 for forming optical lenses has a molding portion 10 having a molding surface 12, a thin film 30 is formed on the molding surface, which is made from SiCHxNy, wherein x is in the range of 0.02˜0.10, y is in... | 09/25/2007 |
| 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 |
| 7255550 | Press-molding mold A press-molding mold includes a first mold (10), a second mold (20), a complementary element (30) arranged between the first mold (10) and the second mold (20), a washer (40) arranged between the second mold (10) and ... | 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 |
| 7249941 | Device for manufacturing plastic lens A rotation table transfers a casting mold M injected with a plastic composition in a circular manner. An active-energy-ray irradiating area is provided to irradiate active energy rays onto the casting mold M in a predetermined angular range when the casting mold M i... | 07/31/2007 |
| 7241125 | Center touch method and apparatus for forming contact lenses A center touch method and apparatus for use in a contact lens station for use with a contact lens mold assembly comprising a first mold half and a second mold half. The center touch apparatus comprises a center touch engaging member having a center touch engaging su... | 07/10/2007 |
| 7229266 | Press die alignment A die press is described. In one embodiment, the die press includes an alignment mechanism having one or more flexure members coupled to a die to maintain coupling with the die during a pressing operation. ... | 06/12/2007 |
| 7220120 | Molds and method of using the same for forming plus or minus lenses The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be fo... | 05/22/2007 |
| 7217112 | Mold for intraocular lens The invention is a mold and method for using the mold to make a multi-stage intraocular lens. The mold is provided with a gate in fluid communication with a lens portion and/or haptic portion of the mold core. In addition, a gasket is provided around the mold core. ... | 05/15/2007 |
| 7213918 | Method for making colored silicone hydrogel contact lenses The present invention generally relates to a method for making made-to-order (MTO) or customized silicone hydrogel lenses which have printed images on and/or below lens surfaces. A preferred method of the invention comprises printing and curing an ink on the molding... | 05/08/2007 |
| 7209301 | Optical lens Optical elements are provided. An optical element is formed by injecting resin material into a mold through a gate in a first direction. The optical element includes a main body, a flange surrounding and connecting the main body, and a curved depression formed betwe... | 04/24/2007 |
| 7172400 | Friction member manufacturing apparatus The present invention provides an improved multi-mold apparatus for manufacturing friction members, with each mold composed of a set comprising a first (top) mold, a second (bottom) mold, and a frame mold. The apparatus is capable of correcting any misalignment in t... | 02/06/2007 |
| 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 |
| 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 |
| 7156646 | Apparatus and method for handling lens carriers Novel methods and apparatus are disclosed for handling carriers for soft contact lenses in a lens manufacturing system. In accordance with a first aspect of the invention, article handling devices are located beneath a pre-cure station and a curing station of the sy... | 01/02/2007 |
