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Patent Searching and Data


Title:
PLURAL-CYLINDER VISCOUS MATTER PUMP HAVING PISTON STORAGE
Document Type and Number:
Japanese Patent JPH02283872
Kind Code:
A
Abstract:

PURPOSE: To improve transfer equality by successively providing operation cylinders in a storage cylinder to drive itself and enabling the specification of the finish position of the operation cylinders in an article to transfer the viscous matter in a transfer pipe by means of the reciprocation of a piston in the storage cylinder.

CONSTITUTION: A storage cylinder 4 is connected to the middle of a transfer pipe 3, and operation cylinders 7 are successively provided in this cylinder 4. A storage piston 10 fitted in the storage cylinder 4 through the piston rod 9 connected to an operation cylinder 8 by the operation of an operation cylinder 7 is driven. In order to control the operation of the drive cylinder 7, two sheet valves 12 and 14 are provided to be controlled by a 2/2 directional control valve 15. The final position of the drive piston 8 is controlled by the control valve 32 attached to the driving cylinder 7, and switch position is selected so that all of the contents in the storage cylinder is press-fitted.


Inventors:
FURIITORITSUHI SHIYUBINGU
BORUFUGANGU MERUTEN
Application Number:
JP1990000084736
Publication Date:
November 21, 1990
Filing Date:
March 29, 1990
Export Citation:
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Assignee:
SCHWING GMBH F
International Classes:
F04B11/00; F04B9/105; F04B15/02; (IPC1-7): F04B11/00; F04B15/02