Title:
SQUEEZE PUMP
Document Type and Number:
Japanese Patent JP2001263267
Kind Code:
A
Abstract:
To provide a squeeze pump capable of improving durability of an elastic tube and interposingly pressing rollers and excellent in pump efficiency by restraining frictional resistance by reducing a contact surface of the interposingly pressing rollers with the elastic tube.
A large number of recessed parts 224 for reducing the frictional resistance by reducing the area of the contact surface with the elastic tube 24 are formed on an outer peripheral surface of the interposingly pressing rollers 22 and 22 for performing the pump action by interposingly pressing the elastic tube 24 housed in a cylindrical drum 11 from the left and right both sides.
Inventors:
IWATA NOBORU
Application Number:
JP2000074455A
Publication Date:
September 26, 2001
Filing Date:
March 16, 2000
Export Citation:
Assignee:
DAIICHI TECHNO CO LTD
International Classes:
F04C5/00; F04C13/00; (IPC1-7): F04C5/00; F04C13/00
Attorney, Agent or Firm:
Hironobu Onda (1 person outside)