Ball valve

• US 3,150,681 A
• Filed: 05/29/1961
• Issued: 09/29/1964
• Est. Priority Date: 05/29/1961
• Status: Expired due to Term

• Current Assignee: Anton Korzenowski, Carl R. Stone, George E. Hansen, Robert H. Peterson
• Original Assignee: Anton Korzenowski, Carl R. Stone, George E. Hansen, Robert H. Peterson
• Inventors: Hansen, George E., ANTON KORZENOWSKI, Stone, Carl R., Peterson, Robert H.
• Application Number:
  US04/121,288
• Time in Patent Office: 1,219 Days
• US Class Current: 137/454.2
• CPC Class Codes: F16K 5/202 with conical surfaces
• CPC Class Codes: Y10T 137/6038 Particular valve seat or interface seal
• CPC Class Codes: Y10T 137/7504 Removable valve head and seat unit

Claims

1. A BALL VALVE, A PORTED CASING THEREFOR, A PORTED ROTATABLE SPHEOIDAL CLOSURE MEMBER MOUNTED WITHIN SAID CASING, A FRUSTO-CONICAL PORTED CAGE MEMBER RECEIVING SAID CLOSURE MEMBER MOUNTED IN FLUID SEALING RELATION TO THE CASING, BODY SEAT RINGS AND BODY SEAT RING RETAINERS FOR THE SAID CLOSURE MEMBER MOUNTED IN PORTS OF SAID CAGE MEMBER LIMITEDLY MOVABLE AXIALLY RELATIVE TO SAID CLOSURE MEMBER, RESILIENT ANNULAR MEANS INTERPOSED IN THE PORTS OF SAID CAGE MEMBER BETWEEN AND IN CONTACTING RELATION WITH SAID CASING AND BODY SEAT RING RETAINERS AROUND THE PORTS OF THE CASING, MEANS COOPERATING WITH SAID CASING FOR HOLDING SAID CAGE MEMBER AGAINST SUBSTANTIAL AXIAL MOVEMENT RELATIVE TO SAID CASING IN ONE DIRECTION AND IN BIASED RELATION TO SAID RESILIENT ANNULAR MEANS IN THE OPPOSITE DIRECTIONS, RETAINING MEANS ON THE CAGE MEMBER FOR RETAINING THE SAID CLOSURE MEMBER WITHIN SAID CAGE MEMBER, COVER MEANS AT AN OUTER PORTION OF THE CASING FOR RETAINING SAID CLOSURE MEMBER IN AXIALLY FIXED ROTATABLE RELATION TO SAID CAGE