Title:
GAS EXHAUST MECHANISM AND RECIPROCATING PUMP
Document Type and Number:
Japanese Patent JP3692381
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To make applicable to quantitatively transfer strong acid and strong alkali liquid, and exhaust a gas inside a reciprocating pump without exhausting the transferred liquid to an outside of the reciprocating pump.
SOLUTION: In this gas exhaust mechanism, the gas mixed or generated in transfer passages 11a, 11b and 11c for transferring the liquid is exhausted. This mechanism comprises a bellows 20 in which an inner space 20a communicates with the transfer passages 11a, 11b and 11c. The gas is capable of being exhausted by pressing an outside of the bellows 20.
Inventors:
Morihisa Kinukawa
Application Number:
JP2001259945A
Publication Date:
September 07, 2005
Filing Date:
August 29, 2001
Export Citation:
Assignee:
Takumina Co., Ltd.
International Classes:
F04B53/10; F04B43/02; F04B53/06; (IPC1-7): F04B43/02; F04B53/06; F04B53/10
Domestic Patent References:
| JP2001173572A | ||||
| JP57142182U | ||||
| JP52080101U |
Attorney, Agent or Firm:
Noboru Fujimoto
Seiichi Yakumaru
Hiroaki Nakatani
Tokuya Iwata
Seiichi Yakumaru
Hiroaki Nakatani
Tokuya Iwata