Title:
TUBE PUMP AND LIQUID INJECTION DEVICE
Document Type and Number:
Japanese Patent JP2007138814
Kind Code:
A
Abstract:
To provide a tube pump and a liquid injection device of a simple structure capable of reducing variation of pressing force applied on a tube.
A tube pump is provided with a discharge tube, and rollers 35 progressively pressing the discharge tube in an order while moving along a longitudinal direction of the discharge tube. The roller 35 consists of a non-elastic layer 35b having no elasticity and an elastic layer 35a having elasticity.
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Inventors:
SHIMAZAKI JUN
TOJO SEIJI
TOJO SEIJI
Application Number:
JP2005333143A
Publication Date:
June 07, 2007
Filing Date:
November 17, 2005
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
F04C5/00; B41J2/165; B41J2/175; F04B43/12
Domestic Patent References:
| JPS55149590U | 1980-10-28 | |||
| JPH0849667A | 1996-02-20 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda
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