Title:
【考案の名称】手動式吸引用往復動ポンプ
Document Type and Number:
Japanese Patent JPH0660778
Kind Code:
U
Abstract:
A manually operated reciprocating suction pump comprises a barrel, a plunger slidably abutting against an inner wall of the barrel in such a manner as to move in the barrel, a first port being provided at a top end of the barrel, a second port being provided at a top end of the plunger, a handle formed at a rear end of the plunger, an air vent hole defined on the plunger near the handle, a first check valve being provided in the first port, and a second check valve being provided in the second port.
Inventors:
Toyoshima Masahiro
Shuichi Ando
Shuichi Ando
Application Number:
JP168893U
Publication Date:
August 23, 1994
Filing Date:
January 26, 1993
Export Citation:
Assignee:
Nippon Seiki Co., Ltd.
International Classes:
B65D33/25; F04B33/00; F04B37/14; (IPC1-7): F04B33/00; B65D33/25
Domestic Patent References:
| JPS56576A | 1981-01-07 | |||
| JPS572284B2 | 1982-01-14 |
Attorney, Agent or Firm:
Fujimoto Noboru
Next Patent: 往復ピストン型エアコンプレッサ