Title:
蒸着されたポリマー表面を備えたピストン及び/又はライナを有する容積移送式ポンプ
Document Type and Number:
Japanese Patent JP2007502939
Kind Code:
A
Abstract:
A metering pump for providing relatively small, precise volumes of fluid is provided. The pump piston and/or the interior of the cylinder has a surface finish exhibiting a roughness average within selected limits and a vapor deposited polymer such as polytetrafluoroethylene. A drive mechanism is provided for simultaneously rotating and reciprocating the piston within a cylindrical chamber. Fluid is thereby drawn into the chamber and expelled.
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Inventors:
Harry E. Pinkerton Third
Carlos G. Holland
Carlos G. Holland
Application Number:
JP2006533149A
Publication Date:
February 15, 2007
Filing Date:
May 18, 2004
Export Citation:
Assignee:
Lopintasco 2 LRC
International Classes:
F04B13/00; F04B7/06; F04B53/00; F04B53/14; F04B53/16
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro