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Rotary flow-path exchanging valve
An object of the present invention is to provide a rotary-flow path exchanging valve which can maintain the necessary strength of the stopper pipe made of a normal ...
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Hydraulic control valve unit
What is claimed is: 1. Valving apparatus comprising a main valve, said main valve including a main valve housing having a valve bore and inlet and outlet passages ...
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Indicator assembly
These and other objects of the present invention are achieved by an indicator assembly comprised of a housing member mounted to the fluid handling apparatus and an ...
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Valve combination
The invention provides a valve combination which may be used in place of conventional solenoid valves in plumbing applications, and which makes it possible to establish ...
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Freely programmable position indicating apparatus
OF PREFERRED EMBODIMENTS Throughout all the Figures, same or corresponding elements are generally indicated by same reference numerals. Turning now to the drawing, and ...
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Fluid control element
OF THE INVENTION Referring now to FIGS. 1 and 2, the configuration of the control elements in accordance with the invention will now be described in general. The ...
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Inline liquid flow control valve
For the purposes of promoting an understanding of the principles disclosed herein, reference will now be made to the preferred embodiments illustrated in the drawings ...
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Directional gate valve
What is calimed is: 1. A directional gate valve which can be used as a control element and consists of a housing and a control piston and in which the housing is formed ...
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Steering control unit
Accordingly, it is an object of the present invention to provide an improved fluid controller of the type having a primary, spool valve and a follow up, sleeve valve, ...
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Tapered boom hose
A boom hose for use in a concrete pumping system of the type utilizing a concrete pump to provide the flow of concrete through a series of concrete pipe sections ...
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Metal Working 
