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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Molded hypodermic plunger with integral shaft and elastomeric head

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29D-009/00    B29F-001/00    A61F-005/315   
미국특허분류(USC) 128/218P ; 222/386 ; 264/255 ; 264/259
출원번호 US-0908945 (1978-05-24)
발명자 / 주소
인용정보 피인용 횟수 : 66  인용 특허 : 4
초록

Articles having portions of materials with different properties are integrally formed by injection of two different thermoplastic materials simultaneously through separate gates into the same mold wherein the materials fuse or bond together. A plunger for a syringe formed by the process has a rigid shaft and an elastomeric head.

대표
청구항

A molded plunger for a hypodermic syringe having a rigid thermoplastic shaft and a head portion made of a thermoplastic polymer having elastomeric properties compatible with the material of said shaft and integrally united therewith by co-injection molding the materials of said shaft and said head.

이 특허에 인용된 특허 (4)

  1. Coran ; Aubert Y. ; Patel ; Raman P.. Elastoplastic compositions of ethylene-vinyl acetate rubber and polyolefin resin. USP1978094116914.
  2. Nyberg David D. (Sunnyvale CA). Heat-shrinkable laminate. USP1977074035534.
  3. Ballman Richard L. (Gulf Breeze FL) Lea Kenneth R. (Pensacola FL) Nunning Walter J. (Gulf Breeze FL) Southern John H. (Gulf Breeze FL). Polyurethane fiber uniformity. USP1976063966866.
  4. Shadle ; Robert James. Unoriented composite laminar film with an elastomeric layer and sealable layer. USP1978044082877.

이 특허를 인용한 특허 피인용횟수: 66

  1. Carlos E. Bouras ; Nick I. Mellos. Anti-float plunger for pneumatically actuated syringe. USP2002016334553.
  2. Ihab M. Hekal. Co-continuous interconnecting channel morphology composition. USP2002116486231.
  3. Ihab M. Hekal. Co-continuous interconnecting channel morphology polymer having controlled gas transmission rate through the polymer. USP2002106465532.
  4. Hekal, Ihab M.. Co-continuous interconnecting channel morphology polymer having modified surface properties. USP2004026696002.
  5. Blekher, Alex; Wilkinson, Bradley M.; Russ, Craig Owen. Co-molded pierceable stopper and method for making the same. USP2014088806920.
  6. Goodwin, Michael E.; Jones, Nephi D.; Buchanan, Bradley H.. Containers and systems for processing a fluid. USP20190110166306.
  7. Bartfeld, Benjamin; Crawford, Jamieson W.; Ellis, Robert G.; Battles, Christopher A.; Handeland, Kenneth. Density phase separation device. USP2014068747781.
  8. Battles, Christopher A.; Newby, C. Mark. Density phase separation device. USP2016059333445.
  9. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; HIres, Gregory R.. Density phase separation device. USP2016069364828.
  10. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2018039919307.
  11. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2018039919309.
  12. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2017109802189.
  13. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2015048998000.
  14. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2014088794452.
  15. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2017089731290.
  16. Crawford, Jamieson W.; Attri, Ravi; Battles, Christopher A.; Bartfeld, Benjamin R.; Hires, Gregory R.. Density phase separation device. USP2015079079123.
  17. Crawford, Jamieson W.; Battles, Christopher A.. Density phase separation device. USP2018039919308.
  18. Felix, Shenika E.; Crawford, Jamieson W.; Battles, Christopher A.; Gram, Jes Tougaard. Density phase separation device. USP2017079700886.
  19. Felix, Shenika E.; Crawford, Jamieson W.; Battles, Christopher A.; Gram, Jes Tougaard. Density phase separation device. USP2013038394342.
  20. Felix, Shenika E.; Crawford, Jamieson W.; Battles, Christopher A.; Gram, Jes Tougaard. Density phase separation device. USP2016099452427.
  21. Newby, C. Mark; Battles, Christopher A.. Density phase separation device. USP2018049933344.
  22. Newby, C. Mark; Battles, Christopher A.. Density phase separation device. USP2017079714890.
  23. Newby, C. Mark; Battles, Christopher A.. Density phase separation device. USP2016059339741.
  24. Hekal Ihab M.. Desiccant entrained polymer. USP2001046214255.
  25. Hekal Ihab M.. Desiccant entrained polymer. USP1999065911937.
  26. Hekal Ihab M.. Desiccant entrained polymer. USP2000106130263.
  27. Hekal Ihab M.. Dessicant entrained polymer. USP2000066080350.
  28. Young, David. Dispenser assembly for liquids comprising flexible barrel and rigid plunger. USP2017129849248.
  29. Manera, David A.; Buehler, John D.. Dispenser for medicaments and method and apparatus for making same. USP2013088517997.
  30. Manera,David A.; Buehler,John D.. Dispenser for medicaments and method and apparatus for making same. USP2006077070581.
  31. Gedritis, David Anthony; Bull, Kevin Allen. Gas-assisted two-shot injection molding process. USP2003096623688.
  32. Ihab M. Hekal. Insert having interconnecting channel morphology for aldehyde absorption. USP2002106460271.
  33. Anjanappa,Muniswamappa; Bach,David T.; Bova,G. Steven; Paul,Steven L.; Bach,James J.. Long-term liquid storage and dispensing system. USP2007087252212.
  34. Losada, Robert J.; Nair, Arun U.. Mechanical separator for a biological fluid. USP2017079694359.
  35. Heinz, Jochen; Spallek, Michael. Metering receptacle. USP2005116960195.
  36. Kayano, Yoshihiro; Imaizumi, Hiroyuki; Ochiai, Kazuaki. Method for injection-molding an article having a hollow portion. USP2005036866811.
  37. Costa, Steven G.; Dunlap, David J.. Method of making a piston for a dispenser. USP2012128337737.
  38. Schad Robert D. (Toronto CAX). Method of molding plastic workpieces about slender permanent inserts. USP1984054448741.
  39. Sicilia Roberto Domenic,CAX. Method of using a multiple gating nozzle. USP1999105972258.
  40. Hekal Ihab M.. Modified polymers having controlled transmission rates. USP2001046221446.
  41. Hekal Ihab M.. Modified polymers having controlled transmission rates. USP2000096124006.
  42. Hekal Ihab M.. Monolithic composition having an activation material. USP2001016177183.
  43. Hekal Ihab M.. Monolithic polymer composition having a releasing material. USP2001116316520.
  44. Hekal, Ihab. Monolithic polymer composition having a releasing material. USP200910RE40941.
  45. Hekal Ihab M. ; Langer Robert S. ; Klibanov Alexander M. ; Mathiowitz Edith. Monolithic polymer composition having a water absorption material. USP2001016174952.
  46. Hekal Ihab M.. Monolithic polymer composition having an absorbing material. USP2001026194079.
  47. DeLano Don L. (Mount Clemens MI) Benda Edward K. (Farmington Hills MI). Multiple durometer shield for ball joint. USP1989084856795.
  48. Sicilia Roberto Domenic,CAX. Multiple gating nozzle. USP2001086276914.
  49. Spohn, Michael A.; Price, Cory J.; Meier, Andrew W.. Overmolded medical connector tubing and method. USP2017129839773.
  50. Spohn, Michael A.; Price, Cory J.; Meier, Andrew W.. Overmolded medical connector tubing and method. USP2018029901725.
  51. Sekito, Hisatoshi; Toda, Akihiro; Morishita, Kazuaki; Baba, Hideki; Hashimoto, Kazuhiro; Watanabe, Yasufumi; Irie, Kazuo. Process for producing exterior member/seal member assembly. USP2010027661953.
  52. Schottli, Martin. Pump piston for a disposable syringe. USP2003056562009.
  53. Breidenthal, Scott S.; Kacian, Daniel L.; Lee, Richard S.; Nelson, Norman C.; Scott, Matthew J.; Taylor, Jason A.. Receptacles for storing substances in different physical states. USP2012078221705.
  54. Gibler, Martin J.; Bennett, Mark A.; Waeber, Kenneth R.; Hogue, Kenneth E.; Gillum, Christoph L.; Harrell, Patrick A.; Parrott, David A.; Mackey, Sean E.; Conjeevaram, Rajkumar V.; Rebne, Thomas; Clark, Bradley A.; Hemingway, Jeremy L.; Zhou, Ji. Sealing arrangement for syringe. USP20190210195350.
  55. Harms, John F.; Harms, II, John F.. Single cartridge filter. USP1985124561979.
  56. Bartfeld, Benjamin R.; Ellis, Robert G.; Golabek, Jr., Robert S.; Dubrowny, Nancy; Parmar, Girish; Holmes, Paul; Blekher, Alex; Delk, Michael. Specimen collection container assembly. USP2018059962704.
  57. Bartfeld, Benjamin R.; Ellis, Robert G.; Golabek, Jr., Robert S.; Dubrowny, Nancy; Parmar, Girish; Holmes, Paul; Blekher, Alex; Delk, Michael. Specimen collection container assembly. USP2013068460620.
  58. Bartfeld, Benjamin R.; Ellis, Robert G.; Golabek, Jr., Robert S.; Dubrowny, Nancy; Parmar, Girish; Holmes, Paul; Blekher, Alex; Delk, Michael. Specimen collection container assembly. USP2016079399218.
  59. Sorensen, Jens O.. Stabilized core injection molding of plastic. USP1983044381275.
  60. Fischer Dan E. (Sandy UT). Syringe apparatus having improved plunger. USP1991014986820.
  61. Basile Peter A. ; Brown Scott C. ; Snyder Fred E. ; Tirrell Joseph V.. Syringe having a detachable plunger rod. USP199907D412206.
  62. Cude, J. Michael. Syringe plunger jacket with expandable seal. USP2010107819845.
  63. Kong, Byung Seok. System and method for two-shot molding crash pad. USP2010027662319.
  64. Goodwin, Michael E.; Jones, Nephi D.; Buchanan, Bradley H.. Systems and containers for sterilizing a fluid. USP2016039289522.
  65. Goodwin, Michael E.; Jones, Nephi D.; Buchanan, Bradley H.. Systems and containers for sterilzing a fluid. USP2017089737624.
  66. Namey ; Jr. David. Two-shot molded plunger. USP1999055902276.

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