Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TRACE OF LIQUID FEEDING DEVICE
Document Type and Number:
Japanese Patent JPH07332229
Kind Code:
A
Abstract:

PURPOSE: To provide a trace of detergent feeding device which is constituted to stably feed a trace of detergent and beside be stably used for a long time 'and eliminate special maintenance, such as exchange of parts, during the use.

CONSTITUTION: A trace of liquid feeding device comprises a check valve 182 disposed in a suction passage for a detergent; a check valve 183 disposed in a delivery passage for a detergent in the same direction as that of the check valve 182; a space 184 formed between the check valves 182 and 183; and a drive shaft 185 movable forward in and backward from the space 184. A member with which the detergent makes contact is formed of chemical resistant synthetic resin and feeds the detergent in an amount equivalent to a distance by which the drive shaft 185 enters the space 184.


Inventors:
ARAI MINORU
SAITO SHIGERU
Application Number:
JP12932294A
Publication Date:
December 22, 1995
Filing Date:
June 10, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHOWA SEIKI KK
KAO CORP
International Classes:
F04B13/00; F04B15/00; (IPC1-7): F04B13/00; F04B15/00
Attorney, Agent or Firm:
Osamu Hatori