# US 2014/0191504 A1 · PVC-Coated and Adaptive Pipe Coupling

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- Number: US 2014/0191504 A1
- Document ID: US20140191504A1
- Status: Published application
- Kind: A1
- Application number: 13/734,648
- Filed: 2013-01-04
- Published: 2014-07-10
- Earliest claimed: 2013-01-04
- Inventors: Yijun Wu
- Web page: https://patentgrep.com/patent/US20140191504A1

## CPC

- F16L 58/1009: {the coating being placed inside the pipe}
- F16L 21/03: placed in the socket before connection ({F16L21/022,} F16L21/025 take precedence)
- F16L 58/1054: {the coating being placed outside the pipe}
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

## Abstract

This practical patent product relates to a pipe coupling, namely, a PVC-coated and adaptive pipe coupling. Its construction consists of male port and female port for interfacing purpose. The female port is configured with gasket-inserting groove. The gasket and male port are jointed through excessive interfacing. Compared with available technology, the practical patent product features simple construction, easy installation, firm connection and no damage to the coating layer thereof.

## Claims

### Claim 1

This practical patent product relates to a PVC-coated and adaptive pipe coupling, which is composed of male port and female port for interfacing purpose, The female port is provided with gasket groove where inserted male port is jointed with excessive interfacing.

### Claim 2 (depends on 1)

The PVC-coated adaptive pipe coupling as stated in claim 1 is characterized with fixing ring in gasket installation groove and that gasket is fixed on fixing ring.

### Claim 3 (depends on 1)

The PVC-coated and adaptive pipe coupling stated in claim 1 is characterized with conic-shaped front end at its male port.