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Shear processing thermoplastics in the presence of ultrasonic vibration 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-047/12
출원번호 US-0086119 (1987-08-17)
발명자 / 주소
  • Lee Biing-Lin (Broadview Heights OH) Cranston Cameron (Wadsworth OH)
출원인 / 주소
  • The B. F. Goodrich Company (Akron OH 02)
인용정보 피인용 횟수 : 34  인용 특허 : 0

초록

Various processing advantages are gained when ultrasonic vibration is applied to a thermoplastic processing apparatus such as an extruder or an injection molding device. Such advantages include improved flow rate, reduced processing pressure, and consequently reduced processing temperature to mold o

대표청구항

A process for improving the processability of a shear thinning thermoplastic melt, comprising the steps of: melting the shear thinning thermoplastic in a shear processing apparatus containing a die, said shear thinning thermoplastic being a styrenic type polymer or a polyolefin, said polyolefin made

이 특허를 인용한 특허 (34)

  1. Dipiazza, Frank; Martin, Glenn B., Adhesion of membranes on nitride layer in electrochemical sensors by attachment to underlying oxide layer.
  2. Lee Kirby Jameson ; Lamar Heath Gipson ; Bernard Cohen, Apparatus and method for emulsifying a pressurized multi-component liquid.
  3. Gipson Lamar Heath ; Cohen Bernard ; Jameson Lee Kirby, Apparatus and method for ultrasonically producing a spray of liquid.
  4. Gipson Lamar Heath ; Cohen Bernard ; Jameson Lee Kirby, Apparatus and method for ultrasonically self-cleaning an orifice.
  5. Wei, Coach; Liang, Thomas Li, Apparatus for altering the physical properties of fluids.
  6. Jae Hong Choi ; Jerald L. Golmanavich ; Barry B. Hofmaster, Apparatus for multiple cavity injection molding.
  7. Jameson Lee Kirby, Apparatus for ultrasonically assisted melt extrusion of fibers.
  8. Ferguson, Dennis E.; Nayar, Satinder K.; Rendon, Stanley; Pochardt, Donald L.; Dobbs, James N., Articles injection molded on a web.
  9. Cotter Mitchell A. ; Taylor John A., Electrically optimized hybrid "last mile" telecommunications cable system.
  10. Lindgaard Torben,DKX ; Thomas David Morgan,DKX, Method and apparatus for manufacturing an article of a composite material.
  11. Chilko Robert J. (Lower Burrell PA) Wang Paul T. (Murrysville PA), Method and apparatus for producing biaxially oriented polymer sheet.
  12. Gordon R. Huber ; Bradley L. Strahm ; Eric S. Sevatson ; David L. Kesler, Method and apparatus for the production of high viscosity paste products with added components.
  13. Lee Kirby Jameson, Method and apparatus for ultrasonically assisted melt extrusion of fibers.
  14. Ibar Jean-Pierre, Method and apparatus to control viscosity of molten plastics prior to a molding operation.
  15. Azran Avraham,ILX ; Dagan Gil,ILX, Method for potting or casting inorganic hollow fiber membranes into tube sheets.
  16. Ferguson, Dennis E.; Nayar, Satinder K.; Pochardt, Donald L., Method of molding a microneedle.
  17. Ferguson, Dennis E.; Nayar, Satinder K.; Pochardt, Donald L., Method of molding a microneedle.
  18. Ferguson, Dennis E.; Nayar, Satinder K.; Pochardt, Donald L., Method of molding a microneedle.
  19. Jameson, Lee Kirby; Cohen, Bernard; Gipson, Lamar Heath, Method of retrofitting an unitized injector for ultrasonically stimulated operation.
  20. Jameson Lee Kirby, Polymeric strands with enhanced tensile strength, nonwoven webs including such strands, and methods for making same.
  21. Jameson Lee Kirby, Polymeric strands with high surface area or altered surface properties.
  22. Stall, Alan; Frauenpreis, Carl; Samoylova, Tatyana; Choung, Hoseok; Sinani, Vladimir, Process and apparatus for mixing a polymer composition and composite polymers resulting therefrom.
  23. Ibar,Jean Pierre, Process for dispersing a thermally sensitive additive into a melt.
  24. Miyake, Ken; Igase, Tsutomu, Quantitative continuous supplying method of columnar or square column-form pellets by action of ultrasonic waves.
  25. Cohen Bernard ; Jameson Lee Kirby ; Gipson Lamar Heath, Ultrasonic apparatus and method for increasing the flow rate of a liquid through an orifice.
  26. Ferguson, Dennis E.; Nayar, Satinder K.; Benson, Peter T.; Rendon, Stanley; Pochardt, Donald L.; Dobbs, James N.; Carlson, Daniel H., Ultrasonic injection molding on a web.
  27. Ferguson, Dennis E.; Nayar, Satinder K.; Benson, Peter T.; Rendon, Stanley; Pochardt, Donald L.; Carlson, Daniel H., Ultrasonic injection molding on both sides of a web.
  28. Cohen Bernard ; Jameson Lee Kirby ; Gipson Lamar Heath, Ultrasonic liquid flow control apparatus and method.
  29. Gipson, Lamar Heath; Cohen, Bernard; Jameson, Lee Kirby, Ultrasonic liquid fuel injection apparatus and method.
  30. Lamar Heath Gipson ; Bernard Cohen ; Lee Kirby Jameson, Ultrasonic liquid fuel injection apparatus and method.
  31. Jameson, Lee Kirby; Cohen, Bernard; Gipson, Lamar Heath, Ultrasonic unitized fuel injector with ceramic valve body.
  32. Jameson, Lee Kirby; Cohen, Bernard; Gipson, Lamar Heath, Unitized injector modified for ultrasonically stimulated operation.
  33. Fellabaum Terence J., Vacuum extrusion system for production of cement-based articles.
  34. Ibar Jean-Pierre, Viscosity control for molten plastics prior to molding.
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