Split coupling with an integrally formed one-piece gasket

• US 3,153,550 A
• Filed: 03/13/1964
• Issued: 10/20/1964
• Est. Priority Date: 03/13/1964
• Status: Expired due to Term

• Current Assignee: William Hollett Alec
• Original Assignee: William Hollett Alec
• Inventors: WILLIAM HOLLETT ALEC
• Application Number:
  US04/352,716
• Time in Patent Office: 221 Days
• US Class Current: 285/179
• CPC Class Codes: F16L 17/04 with longitudinally split or divided sleeve
• CPC Class Codes: F16L 21/06 with a divided sleeve or ring clamping around the pipe-ends flanged joints F16L23/00; couplings of the quick-acting type F16L37/00
• CPC Class Codes: F16L 43/001 made of metal

Claims

1. A PIPE COUPLING COMPRISING:

(A) A ONE-PIECE GASKET OF RESILIENT MATERIAL HAVING AT LEAST TWO LATERALLY DISPOSED AND LONGITUDINALLY SPACED RING PORTIONS INTEGRALLY CONNECTED TOGETHER BY TWO LONGITUDINALLY DISPOSED SIDE PORTIONS, EACH SAID RING PORTIONS BEING INTEGRALLY FORMED IN ONE PIECE AND EACH RING PORTION BEING ADAPTED TO FIT SNUGLY ABOUT THE OUTER CIRCUMFERENTIAL SURFACES OF AT LEAST ONE OF TWO ADJACENT PIPES BEING COUPLED TOGETHER ADJACENT THE ENDS THEREOF AND SAID LONGITUDINAL SIDE PORTIONS BEING SPACED AN APPRECIABLE DISTANCE OUTBOARD FROM THE OUTER CIRCUMFERENTIAL SURFACES OF SAID RING PORTION AND OF THE PIPES BEING COUPLED TOGETHER;

(B) TWO GENERALLY SEMI-CYLINDRICAL CLAMP MEMBERS HAVING A LONGITUDINAL DISPOSED SURFACE ADAPTED TO BE CLAMPED TOGETHER WITH SAID LONGITUDINAL SURFACES IN OPPOSED FACING RELATIONSHIP TO FORM A GENERALLY TUBULAR COUPLING STRUCTURE, THE INNER CIRCUMFERENTIAL SURFACES OF THE TWO CLAMP MEMBERS BEING ADAPTED TO FIT CLOSELY ABOUT AND IN CONTACT WITH THE OUTER CIRCUMFERENTIAL SURFACES OF THE TWO PIPES BEING COUPLED TOGETHER ADJACENT THE ENDS THEREOF, THE ANGULAR DISTANCE ALONG THE INNER CIRCUMFERENTIAL SURFACE OF EACH CLAMP MEMBER FROM ONE LONGITUDINAL SURFACE TO THE OTHER LONGITUDINAL SURFACE THEREOF BEING LESS THAN 180* WHEREBY THE FACING LONGITUDINAL SURFACES OF THE TWO CLAMP MEMBERS ARE SPACED A SMALL DISTANCE APART WHEN THE TWO CLAMP MEMBERS ARE PLACED ABOUT THE ENDS OF TWO PIPES BEING COUPLED TOGETHER, SAID INNER CIRCUMFERENTIAL SURFACES OF SAID CLAMP MEMBERS BEING FORMED WITH CIRCUMFERENTIALLY DISPOSED GROOVES ADAPTED TO RECEIVE THE LATERALLY DISPOSED RING PORTIONS OF THE GASKET AND SAID FACING LONGITUDINAL SURFACES OF SAID TUBULAR CLAMP MEMBERS BEING FORMED WITH LONGITUDINALLY DISPOSED GROOVES ADAPTED TO RECEIVE THE LONGITUDINAL SIDE PORTIONS OF THE GASKET, THE CROSS SECTIONAL AREA OF THE GASKET RECEIVING SPACE DEFINED BY THE FACING LONGITUDINALLY DISPOSED GROOVES BEING LARGER THAN THE CROSS SECTIONAL AREA OF THE LONGITUDINAL SIDE PORTIONS OF THE GASKET RECEIVED THEREIN WHEREBY THE INNER CIRCUMFERENTIAL SURFACES OF THE TWO CLAMP MEMBERS FIRMLY GRIP THE OUTER CIRCUMFERENTIAL SURFACES OF TWO PIPES BEING COUPLED TOGETHER WHEN PLACED ABOUT THE ENDS OF SAID PIPES;

AND (C) MEANS FOR CLAMPING THE TWO CLAMP MEMBERS TOGETHER.