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Method and apparatus for balancing the filling of injection molds

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-045/30
출원번호 US-0173076 (1998-10-14)
발명자 / 주소
  • Beaumont John P.
출원인 / 주소
  • The Penn State Research Foundation
대리인 / 주소
    Monahan
인용정보 피인용 횟수 : 28  인용 특허 : 13

초록

A method of balancing the flow of a molten polymer containing material in a multi-runner injection mold includes the step of providing a mold body having at least one mold cavity and at least two runners. The first runner includes first and second ends and is connected to a source of molten material

대표청구항

[ What is claimed:] [1.] A method of controlling non-symmetrical conditions of concentric laminates which occur in a direction across the flow path of a stream of laminar flowing material in a mold having at least one branching runner, which branches in two directions, comprising:providing a mold bo

이 특허에 인용된 특허 (13)

  1. Armour Donald F. (Bloomfield CT), Constant velocity manifold for injection molding machine.
  2. Swaroop Nareshwar (Mount Vernon OH), Hot runner manifold flow distributor plug.
  3. Johnson Joe L. (Middlefield OH), Injection molding nozzle.
  4. King Leonard Tony (Long Beach CA), Material distributing and mixing apparatus.
  5. Deardurff L. Robert (Waterville OH) Chang Long Fei (Sylvania OH), Melt flow redistributor.
  6. Wiechard Charles A. (Tucker GA), Methods of and apparatus for molding articles through a balanced, removable runner system.
  7. Harding, James H., Mold device for making plastic articles from resin.
  8. Arnott Robin (Alliston CAX), Molding plastic articles.
  9. Arai Takashi (Tokyo JPX), Multi-layer injection molding apparatus having runners for diverting resin flow.
  10. Smith Roger P. (Napoleon OH), Plastic system for injection molding and extruding a hollow tube for forming a plastic container by blowing.
  11. Upmeier, Hartmut, Process and apparatus for forming and rearranging partial streams of molten materials processed in an extruder for making thermoplastic and/or elastomeric products.
  12. Gallizia ; Achille ; Bandel ; Paolo, Process for the injection molding of pneumatic tires having symmetrical parts of similar physical characteristics.
  13. Heathe William R. (Mississauga CAX) Pinet Pierre (Islington CAX), Static mixer.

이 특허를 인용한 특허 (28)

  1. Beaumont, John P., Adjustable melt rotation positioning and method.
  2. Beaumont, John P., Adjustable melt rotation positioning device and method.
  3. Gawreluk, Craig N.; Castro, Cynthia A.; Harding, Weston F.; Johnson, Steven W.; Parris, Wayne M.; Guo, Lantao; Larsen, Michael C., Catheter sleeve assembly and one step injection molding process for making the same.
  4. York, Geoffrey; Shabudin, Esak, Co-injection moulding.
  5. Beaumont, John P., Controlling warpage through melt rotation technology.
  6. Babin,Denis; Colonico,Gino, Hot runner manifold plug for rheological balance in hot runner injection molding.
  7. Dewar, Neil; Babin, Denis, Injection manifold having a valve pin guiding device.
  8. Hashimoto, Noritsugu, Injection molding method and device.
  9. Vogliano, Robert Henry; Miller, Mark Russell; White, John Richard, Lattice gate for drop gate injection molding.
  10. Vogliano, Robert Henry; Miller, Mark Russell; White, John Richard, Lattice gate for drop gate injection molding.
  11. Boxwala, Hakim; Kudchadkar, Vijay, Melt balancing element in a manifold melt channel.
  12. Kaushal, Hitesh; Godwin, Harold, Melt channel geometries for an injection molding system.
  13. Kaushal, Hitesh; Godwin, Harold, Melt channel geometries for an injection molding system.
  14. Kaushal, Hitesh; Godwin, Harold, Melt channel geometries for an injection molding system.
  15. Blais, Paul R.; Jenko, Edward Joseph; Knapp, John; Baumann, Martin H.; Belzile, Manon Danielle; Plumpton, James Osborne; Gaillard, Patrice Fabien, Melt distribution apparatus for use in a hot runner.
  16. Olaru, Gheorghe; Goslinski, Rhonda, Melt redistribution element for an injection molding apparatus.
  17. Beaumont, John P.; Hoffman, David A., Method and apparatus for balancing flowing conditions of laminar flowing materials.
  18. Graney, Anita M.; Biddle, Graham W.; Lodadio, Thomas; Appleton, William J., Method for injection molding an intraocular lens device.
  19. Crain,Stephen B.; Moore,Christopher T., Method of renewing a mold block.
  20. Sicilia,Robert, Mixing device.
  21. Crain,Stephen B.; Moore,Christopher T., Modular mold.
  22. Crian,Stephen B.; Moore,Christopher T., Mold having modular submold.
  23. Crain,Stephen B.; Moore,Christopher T., Mold system kit.
  24. Buja, Frederick J., Sensor for measurement of temperature and pressure for a cyclic process.
  25. Klobucar, Peter; Dewar, Neil, Single level manifold for an injection molding apparatus.
  26. Buja, Frederick J., System and method employing a thermocouple junction for monitoring of physiological parameters.
  27. Buja, Frederick J., System and method employing a thermocouple junction for monitoring of physiological parameters.
  28. Buja, Frederick J., System for monitoring temperature and pressure during a molding process.
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