VALVE

• US 3,434,691 A
• Filed: 10/12/1964
• Issued: 03/25/1969
• Est. Priority Date: 10/12/1964
• Status: Expired due to Term

• Current Assignee: Clark H. Hamilton
• Original Assignee: Clark H. Hamilton
• Inventors: Hamilton, Clark H.
• Application Number:
  US04/403,223
• Time in Patent Office: 1,625 Days
• US Class Current: 251/184
• CPC Class Codes: F16K 5/025 Particular coverings or materials
• CPC Class Codes: F16K 5/166 Means pressing on the large diameter
• CPC Class Codes: F16K 5/167 Means pressing radially

Claims

1. IN A PLUG VALVE MECHANISM FOR CONTROLLING THE FLOW OF FLUID:

(A) A BODY OF PLASTIC MATERIAL, SAID BODY HAVING AN INWARDLY TAPERED RECESS AND FLUID FLOW PASSAGES CONNECTED THEREWITH;

(B) A RIGID HOUSING ON AT LEAST A PORTION OF SAID BODY COMPRESSIVELY RESTRAINING SAID BODY;

(C) A PLASTIC TAPERED PLUG VALVE MEMBER OPERABLY DISPOSED IN SAID RECESS FOR ROTATION THEREIN, SAID PLUG VALVE MEMBER HAVING PASSAGE MEANS MOVABLE INTO AND OUT OF COMMUNICATION WITH THE BODY PASSAGES;

(D) AND RESILIENT MEANS FOR URGING SAID VALVE MEMBER INWARD IN SAID RECESS.