Gate valve
First Claim
Patent Images
1. A gate valve, comprising:
- a first valve plate having a valve openings;
a second valve plate connected to said first valve plate via expandable body; and
an actuator provided between said first valve plate and said second valve plate, wherein said first valve plate and said second valve plate are moved by the operation of the actuator away from each other or toward each other.
1 Assignment
0 Petitions
Accused Products
Abstract
A gate valve according to the present invention comprises a first valve plate having a valve openings, a second valve plate connected to the first valve plate via first bellows, and an actuator provided between the first valve plate and the second valve plate, wherein the first valve plate is moved by the operation of the actuator, thereby enabling the valve plate, a valve rod, and the like to be made small and lightweight.
5 Citations
12 Claims
-
1. A gate valve, comprising:
-
a first valve plate having a valve openings;
a second valve plate connected to said first valve plate via expandable body; and
an actuator provided between said first valve plate and said second valve plate, wherein said first valve plate and said second valve plate are moved by the operation of the actuator away from each other or toward each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
Specification