Underground couplings

• US 20030080561A1
• Filed: 10/03/2002
• Published: 05/01/2003
• Est. Priority Date: 10/04/2001
• Status: Abandoned Application

• Current Assignee: Ronald Allen Ezra Martin Ron Martin
• Original Assignee: Ronald Allen Ezra Martin Ron Martin
• Inventors: Martin, Ronald Allen Ezra Martin Ron
• Application Number:
  US10/264,175
• Publication Number:
  US 20030080561A1
• Time in Patent Office: Days
• US Class Current: 285/340
• CPC Class Codes: F16L 13/103 Adhesive joints for hoses F16L33/34

Abstract

This invention is a new and improved PVC conduit coupling (FIG. 1) designed specifically for the use of connecting PVC conduits together under roadways, asphalt, concrete and underground. A long, cylindrical, sleeve-type embodiment that has a greater Glue Surface Area (1) and a stop ring (4). This new invention utilizes the greater Glue Surface Area (1) that keeps conduits from pulling apart, giving the installer and the owner assurance of conduit continuity.

Claims

1. In a cylindrical sleeve-type embodiment of all standard trade sizes thereof, and the new longer, greater Glue Surface Area wherein said expanding the Glue Surface Area from 170% to 230% of existing standard couplings.

2. The cylindrical embodiment of claim 1 wherein said for the use under roadways, asphalt, concrete and underground.

3. , In a cylindrical sleeve-type embodiment of all standard trade sizes thereof, and the Glue Surface Area wherein said is the same or greater than the bell end of a ten foot piece of PVC conduit (ridged non-metallic) on a detached unit.

4. The cylindrical embodiment of claim 3 wherein said for the use under roadway, asphalt, concrete and underground.