# US 10,502,355 B2 · Pipe tapping saddle

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- Number: US 10,502,355 B2
- Document ID: US10502355B2
- Status: Granted
- Kind: B2
- Application number: 15/904,623
- Filed: 2018-02-26
- Published: 2018-08-30
- Granted: 2019-12-10
- Earliest claimed: 2017-02-28
- Assignees: Georg Fischer Wavin AG
- Applicants: Georg Fischer Wavin AG
- Inventors: Jonas Weber; Jonas Huessy; Edwin Habluetzel
- Web page: https://patentgrep.com/patent/US10502355B2

## CPC

- F16L 47/345: {making use of attaching means embracing the pipe}
- F16L 41/06: making use of attaching means embracing the pipe
- F16L 47/30: using attaching means embracing the pipe
- B29C 66/52241: {with two right angles, e.g. for making T-shaped pieces}
- F16L 47/02: Welded joints; Adhesive joints
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)

## Abstract

A pipe tapping saddle for a main pipe having a center axis and conveying a medium. The pipe tapping saddle includes a saddle piece; a branch pipe having a center axis, a drill socket having a center axis, and a drill with a thread being arranged displaceably in the drill socket for tapping the main pipe. The pipe tapping saddle is arranged on the main pipe. A center axis of the branch pipe runs horizontally and is arranged below an upper crown point of the main pipe.

## Claims

### Claim 1

A pipe tapping saddle for a main pipe having a center axis and conveying a medium, the pipe tapping saddle comprising:
a saddle piece;
a branch pipe having a center axis,
a drill socket having a center axis,
a drill with a thread being arranged displaceably in the drill socket for tapping into the main pipe,
wherein the pipe tapping saddle is arranged on the main pipe,
wherein the center axis of the branch pipe runs horizontally and is arranged below an upper crown point of the main pipe,
wherein the center axis of the drill socket is oriented perpendicularly to the center axis of the main pipe, and
wherein the center axis of the drill socket intersects the center axis of the main pipe at a right angle.

### Claim 2 (depends on 1)

The pipe tapping saddle according to claim 1, wherein an upper crown line of the branch pipe is arranged below the upper crown point of the main pipe.

### Claim 3 (depends on 1)

The pipe tapping saddle according to claim 1, wherein the center axis of the drill socket is arranged at an angle α<90° to the center axis of the branch pipe.

### Claim 4 (depends on 1)

The pipe tapping saddle according to claim 1, wherein the center axes of the drill socket and the branch pipe are arranged on a plane, wherein the plane is arranged at a right angle to the center axis of the main pipe.

### Claim 5 (depends on 1)

The pipe tapping saddle according to claim 1, wherein the center axis of the branch pipe extends through a borehole drilled through the main pipe by the drill.

### Claim 6 (depends on 1)

The tapping saddle according to claim 1, wherein the saddle piece has a drill opening, wherein the center axis of the branch pipe extends through the drilling opening.

### Claim 7 (depends on 1)

The pipe tapping saddle according to claim 1, wherein the center axes of the drill socket and the branch pipe extend within a plane and intersect in a region of an internal diameter of the main pipe.

### Claim 8 (depends on 1)

The pipe tapping saddle according to claim 1, wherein sealing during the tapping is ensured in the drill socket by means of a seal, and wherein the seal is arranged on an internal diameter of the drill socket.

### Claim 9 (depends on 8)

The pipe tapping saddle according to claim 8, wherein the seal is designed as a plastic diaphragm which closes off the drill socket before the plastic diaphragm is drilled through with the drill and after being drilled through, the plastic diaphragm provides a seal between the drill socket and the drill.

### Claim 10 (depends on 8)

The pipe tapping saddle according to claim 8, wherein the seal is an O-ring or a profile seal.

### Claim 11 (depends on 6)

The pipe tapping saddle according to claim 6, wherein the drill opening corresponds to a drilling diameter of the drill.