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Class Information
Number: 264/2.2
Name: Plastic and nonmetallic article shaping or treating: processes > Optical article shaping or treating > Changing mold size or shape during molding or with shrinkage compensation
Description: Processes in which the volume or morphology of the mold cavity is altered during the molding process or in which some expedient is utilized which is claimed or disclosed as compensating for the shrinkage of the material to be shaped.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7584015 |
Method for designing mold, mold and molded product |
Sep. 1, 2009 |
| 7551829 |
Waveguide, waveguide module, optical transmission device, and method of manufacturing waveguide |
Jun. 23, 2009 |
| 7551977 |
Method and apparatus associated with anisotropic shrink in sintered ceramic items |
Jun. 23, 2009 |
| 7407607 |
Mold and method for casting ophthalmic lenses |
Aug. 5, 2008 |
| RE40152 |
Injection molded thermoplastic spectacle lens suited for fully automated dip hardcoating |
Mar. 18, 2008 |
| 7332110 |
Method and device for producing optical part |
Feb. 19, 2008 |
| 7326375 |
Injection compression molding method and injection compression machine of lens |
Feb. 5, 2008 |
| 7255553 |
Light guide plate mold core and method for manufacturing the same |
Aug. 14, 2007 |
| 7122137 |
Device and process for producing optical molded parts from plastic |
Oct. 17, 2006 |
| 7108811 |
Process and device for producing moulded parts from plastic |
Sep. 19, 2006 |
| 7106528 |
Method and apparatus for manufacturing large double-sided curved Fresnel lens |
Sep. 12, 2006 |
| 7050691 |
Optical waveguide and method of manufacturing the same |
May. 23, 2006 |
| 6929761 |
Molded hologram apparatus method and product |
Aug. 16, 2005 |
| 6896417 |
Hollow cast article with slit, method and apparatus for production thereof |
May. 24, 2005 |
| 6872335 |
Method and apparatus for holding a mold assembly and molding an optical lens using the same |
Mar. 29, 2005 |
| 6858165 |
Method of manufacturing plastic thin-plate article with protrusions on surface thereof |
Feb. 22, 2005 |
| 6843940 |
Method and mold for molding plastic lenses |
Jan. 18, 2005 |
| 6840618 |
Stress-relieved acrylic optical lenses and methods of manufacture by injection coining molding |
Jan. 11, 2005 |
| 6829050 |
Optical device provided with a resin thin film having a micro-asperity pattern and manufacturing method and apparatus of the optical device |
Dec. 7, 2004 |
| 6821108 |
Plastic castings molds |
Nov. 23, 2004 |
| 6814900 |
Optical attenuator molding method |
Nov. 9, 2004 |
| RE38617 |
Method of injection molding plastic lens |
Oct. 12, 2004 |
| 6800225 |
Process and device for the manufacture of mouldings and mouldings manufactured in accordance with that process |
Oct. 5, 2004 |
| 6790388 |
Method of injection molding an optical article out of thermoplastic synthetic material |
Sep. 14, 2004 |
| 6767482 |
Injection compression molding method and injection compression molding machine |
Jul. 27, 2004 |
| 6759182 |
Manufacturing method and apparatus of optical device and reflection plate provided with resin thin film having micro-asperity pattern |
Jul. 6, 2004 |
| 6755996 |
Direct manufacturer of preform for compression molding |
Jun. 29, 2004 |
| 6716374 |
Clamp pressure control method for injection molding process |
Apr. 6, 2004 |
| 6705725 |
Injection compression molding method for optically molded products |
Mar. 16, 2004 |
| 6703100 |
Disk-like recording medium and method for producing the same |
Mar. 9, 2004 |
| 6638450 |
Method for manufacturing an injection molded thermoplastic ophthalmic lens having an encapsulated light polarizing element |
Oct. 28, 2003 |
| 6638451 |
Plastic casting molds |
Oct. 28, 2003 |
| 6616868 |
Injection compression molding method for optically formed product |
Sep. 9, 2003 |
| 6592785 |
Device and method for molding optical components |
Jul. 15, 2003 |
| 6500376 |
Multiple injection compression molding process |
Dec. 31, 2002 |
| 6475410 |
Method and device for producing contact lens elements and injection mold used therefor |
Nov. 5, 2002 |
| 6440335 |
Process for molding thermoplastic lenses and, steeply curved and/or thin lenses produced thereby |
Aug. 27, 2002 |
| 6433936 |
Lens of gradient dielectric constant and methods of production |
Aug. 13, 2002 |
| 6398988 |
Thin light managing system for directing and distributing light from one or more light sources and method for making optics structures for use in the system |
Jun. 4, 2002 |
| 6304387 |
Method of predicting the curvature radius of the microlens |
Oct. 16, 2001 |
| 6290882 |
Reduced-knitline thermoplastic injection molding using multi-gated non-sequential-fill method and apparatus, with a heating phase and a cooling phase in each molding cycle |
Sep. 18, 2001 |
| 6287488 |
Method for injection molding of high quality parts |
Sep. 11, 2001 |
| 6284162 |
Molding method for manufacturing thin thermoplastic lenses |
Sep. 4, 2001 |
| 6270698 |
Stress-relieved acrylic optical lenses and methods for manufacture by injection coining molding |
Aug. 7, 2001 |
| 6234629 |
Differential thickness contact lens with compensation for differential shrinkage and method of manufacturing same |
May. 22, 2001 |
| 6226135 |
Reflector type prism and reflector type prism forming die |
May. 1, 2001 |
| 6158861 |
Prism ballast type contact lens, method of producing the same, and mold assembly used in producing the lens |
Dec. 12, 2000 |
| 6156242 |
Method of injection molding plastic lens |
Dec. 5, 2000 |
| 6103148 |
Method for curing a lens-forming fluid |
Aug. 15, 2000 |
| 6099763 |
Method and apparatus for filling a lens-forming device with a curable fluid |
Aug. 8, 2000 |
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