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Method and apparatus for molding ophthalmic lenses using vacuum injection 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29D-011/00
출원번호 US-0237875 (1994-05-04)
발명자 / 주소
  • Su Kai C. (Alpharetta GA) White Jack C. (Alpharetta GA) Schlapfer Hans U. (Seattle WA)
출원인 / 주소
  • Ciba-Geigy AG (Basel CHX 03)
인용정보 피인용 횟수 : 44  인용 특허 : 7

초록

A lens mold cavity is formed and then evacuated via a vacuum channel contained within a mold member. A fluid valve is opened to expose the lens mold cavity to liquid lens material, whereby a vacuum of the lens mold cavity draws the liquid lens material to fill the lens mold cavity. The fluid valve i

대표청구항

A method of making a molded ophthalmic lens comprising: forming a lens mold cavity having a configuration conforming to the opthalmic lens to be molded; evacuating the lens mold cavity to create a vacuum within the lens mold cavity; introducing a liquid lens material into the evacuated lens mold cav

이 특허에 인용된 특허 (7)

  1. Adams Jonathan P. (Jacksonville FL) Enns John B. (Jacksonville FL), Method and apparatus for making an ophthalmic lens.
  2. Jebens Robert W. (Skillman NJ), Method of fabrication of a Fresnel lens.
  3. Wejrock Richard (P.O. Box 733 Hollywood SC 29449) Curry Allen T. (629 Parish Rd. Charleston SC 29401), Method of molding fiberglass.
  4. Slaats Mathew A. (Jasper IN) Overton David E. (Jasper IN), Method of molding rigid foamed polyurethane articles.
  5. Wieser Marianne (Ruppertschuettener Str. 64 D-8770 Lohr/Main DEX), Mold and die operation.
  6. Dllings Josef (Issum DEX) Vente Paul (Leverkusen DEX) Klker Werner (Krefeld DEX), Mold for the production of flat moldings of curable casting resins.
  7. Hayashi Hisanori (Kawasaki JPX) Kamitakahara Hirofumi (Yokohama JPX) Kushida Naoki (Yokohama JPX) Yoshino Hitoshi (Kawasaki JPX) Kanome Osamu (Yokohama JPX) Sato Tetsuya (Kawasaki JPX), Process for producing resin moldings having a concave-convex pattern on the surface.

이 특허를 인용한 특허 (44)

  1. Powers, Galen R.; Triplett, John T.; Lattis, Matthew C., Apparatus and method for heating a polymerizable composition.
  2. Matiacio Thomas A. ; O'Brien Keith T. ; Lust Victor ; Roffman Jeffrey H. ; Renkema Kornelis ; van der Meulen Wybren,NLX ; Paridaans Franciscus,NLX ; van Lievenoogen Jan,NLX, Apparatus and method for producing center gated lens molds for contact lens manufacture.
  3. Foreman, John T., Apparatus for preparing an eyeglass lens having multiple conveyor systems.
  4. Foreman, John T.; Powers, Galen R.; Lattis, Matthew C., Apparatus for preparing multiple eyeglass lenses.
  5. Culley, Brian K.; Wohlgamuth, Lindsey Ann, Apparatus to warm plastic side of mold.
  6. Boarman, Patrick J.; Thomas, Mark E., Clear ice maker.
  7. Boarman, Patrick J., Clear ice maker and method for forming clear ice.
  8. Boarman, Patrick J.; Culley, Brian K., Clear ice maker with warm air flow.
  9. Buazza, Omar M.; Luetke, Stephen C.; Powers, Galen R., Composition for producing ultraviolet blocking lenses.
  10. Foreman, John T.; Powers, Galen R.; Lattis, Matthew C., Computerized controller for an eyeglass lens curing apparatus.
  11. Bailey, Todd C.; Choi, Byung-Jin; Colburn, Matthew E.; Sreenivasan, Sidlgata V.; Willson, Carlton G.; Ekerdt, John G., Device for holding a template for use in imprint lithography.
  12. Bailey, Todd C.; Choi, Byung-Jin; Colburn, Matthew E.; Sreenivasan, Sidlgata V.; Willson, Carlton Grant; Ekerdt, John G., Device for holding a template for use in imprint lithography.
  13. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., Graphical interface for monitoring usage of components of a lens forming apparatus.
  14. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., Graphical interface for receiving eyeglass prescription information.
  15. Foreman,John T., Graphical interface to display mold assembly position in a lens forming apparatus.
  16. Klein, Greg, Heat/vacuum molding system for footwear.
  17. Cox, Kevin J.; Hortin, Gregory Gene; Lin, Yen-Hsi; Maas, Clayton A.; Shan, Xi; Soto, Cristian; Tenbarge, Andrew M., Heater-less ice maker assembly with a twistable tray.
  18. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., Holder for mold assemblies and molds.
  19. Gooden, Corey M.; Kuehl, Steven John, Ice cube release and rapid freeze using fluid exchange apparatus.
  20. Boarman, Patrick J.; Culley, Brian K.; Litch, Andrew D.; Thomas, Mark E., Ice maker with rocking cold plate.
  21. Li, Hongwen; Ruscio, Dominic V.; Lai, Yu Chin; Huang, Horngyih, Lens molds with protective coatings for production of contact lenses and other ophthalmic products.
  22. Li, Hongwen; Ruscio, Dominic V.; Lai, Yu Chin; Huang, Horngyih, Lens molds with protective coatings for production of contact lenses and other ophthalmic products.
  23. Foreman,John T., Method for automatically shutting down a lens forming apparatus.
  24. Smarto John E. ; Boley Jeffery B. ; Anthony Donald, Method for forming a molded edge seal.
  25. Powers, Galen R.; Foreman, John T., Method for marking a plastic eyeglass lens using a mold assembly holder.
  26. Lattis,Matthew C.; Lossman,Loren C.; Powers,Galen R., Method of entering prescription information.
  27. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., Method of monitoring components of a lens forming apparatus.
  28. Foreman, John T., Method of preparing an eyeglass lens by delayed entry of mold assemblies into a curing apparatus.
  29. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., Method of preparing an eyeglass lens with a controller.
  30. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., Methods and systems for coating eyeglass lens molds.
  31. Gupta, Amitava; Haroud, Karim; Schnell, Urban, Methods of filling a liquid-filled lens mechanism.
  32. Dean, Gregg A., Methods, devices, and systems for injection molding contact lenses.
  33. Boarman, Patrick J.; Culley, Brian K.; Hortin, Gregory G., Multi-sheet spherical ice making.
  34. Buazza, Omar M.; Luetke, Stephen C.; Powers, Galen R.; Lattis, Matthew C.; Joel, Larry H., Plastic lens system, compositions, and methods.
  35. Buazza, Omar M.; Luetke, Stephen C.; Lattis, Matthew C.; Joel, Larry H.; Powers, Galen R., Plastic lens systems and compositions.
  36. Buazza,Omar M.; Luetke,Stephen C.; Powers,Galen R.; Lattis,Matthew C.; Joel,Larry H., Plastic lens systems, compositions, and methods.
  37. William M. Hung ; Guigui Wang, Polymerizable composition and optical articles using the same.
  38. Matsuoka,Yasuhiko; Kita,Tarou; Fujiki,Hironao; Sakamoto,Takafumi; Nakamura,Shohei; Anai,Kousi, Replica molding.
  39. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C., System for preparing an eyeglass lens using a mold holder.
  40. Foreman,John T.; Lattis,Matthew C., System for preparing eyeglass lenses with bar code reader.
  41. Foreman,John T.; Powers,Galen R.; Lattis,Matthew C.; Lossman,Loren C.; Joel,Larry, System for preparing eyeglasses lens with filling station.
  42. Boarman, Patrick J.; Thomas, Mark E.; Wohlgamuth, Lindsey Ann, Twist harvest ice geometry.
  43. Bauman, Michael J.; Guarino, James C.; Kuehl, Steven J.; Lin, Yen-Hsi, Twistable tray for heater-less ice maker.
  44. Gupta, Amitava; Haroud, Karim; Schnell, Urban, Variable focus liquid filled lens apparatus.
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