# US 6,719,009 B1 · Composite material piping system

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- Number: US 6,719,009 B1
- Document ID: US6719009B1
- Status: Granted
- Kind: B1
- Application number: 10/080,924
- Filed: 2002-02-22
- Granted: 2004-04-13
- Earliest claimed: 2001-02-23
- Assignees: Schwing America, Inc.
- Inventors: David R. Bissen; Lawrence P. Schmidt; Brian E. Spencer; Leo B. Willner
- Web page: https://patentgrep.com/patent/US6719009B1

## CPC

- F16L 57/06: against wear (F16L57/04 takes precedence)
- B66C 23/64: Jibs
- E04G 21/04: Devices for both conveying and distributing (concrete pumps F04)
- E04G 21/0436: {on a mobile support, e.g. truck}
- F16L 9/14: Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups (F16L9/16 - F16L9/22 take precedence)
- Y10T 137/8807: Articulated or swinging flow conduit
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- B66C: CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES ({specially adapted for lifting invalids A61G7/10;} rope, cable, or chain winding mechanisms, braking or detent devices therefor B66D; specially adapted for nuclear reactors G21)
- E04G: SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The present invention is a concrete piping system comprising a pipeline. The pipeline includes an intake end, an output end, a liner resistant to concrete abrasion and a pressure tube of composite materials placed over the liner. A concrete pump is connected to the intake end of the pipeline.

## Claims

### Claim 1

A concrete piping system comprising:
a pipeline including:
an intake end;
an output end;
an liner resistant to abrasion produced by flow of concrete under pressure; and
a pressure tube of composite materials placed over the liner;
a plurality of boom sections in supportive engagement with at least a portion of the pipeline, each boom section engaged in an articulated fashion with at least one adjacent boom section; and
a concrete pump connected to an intake end of the pipeline.

### Claim 2 (depends on 1)

The piping system of claim 1 and further comprising:
a window molded into the pressure tube.

### Claim 3 (depends on 1)

The piping system of claim 1 wherein the liner is removable from the pressure tube.

### Claim 4 (depends on 1)

The piping system of claim 1 wherein the composite materials comprise:
a thermoset polymer matrix; and
fibers embedded in the thermoset polymer matrix.

### Claim 5 (depends on 4)

The piping system of claim 4 wherein the thermoset poly matrix is selected from a group consisting of: epoxy, polyesters and vinyl esters.

### Claim 6 (depends on 4)

The piping system of claim 4 wherein the fibers are selected from a group consisting of: carbon, aramid, polyethylene, boron, and glass.

### Claim 7

A concrete transport system comprising:
a truck;
a plurality of boom sections supported by the truck;
a plurality of actuator assemblies interposed between adjacent boom sections for controlling the angle between adjacent boom sections;
a pipeline for transporting concrete from a first location to a second location, the pipeline attached to the plurality of boom sections, wherein the pipeline is composed of composite materials; and
a concrete pump connected to the pipeline.

### Claim 8 (depends on 7)

The concrete transport system of claim 7 wherein the pipeline comprises a pressure tube.

### Claim 9 (depends on 8)

The concrete transport system of claim 8 wherein the pressure tube includes a window molded therein.

### Claim 10 (depends on 7)

The concrete transport system of claim 7 wherein the pipeline includes a removable liner.

### Claim 11 (depends on 7)

The concrete transport system of claim 7 wherein the composite materials comprise:
a thermoset polymer matrix; and
fibers embedded in the matrix.

### Claim 12 (depends on 11)

The concrete transport system of claim 11 wherein the thermoset polymeric matrix is selected from a group consisting of: epoxy, polyester and vinyl ester.

### Claim 13 (depends on 11)

The concrete transport system of claim 11 wherein the fibers are selected from a group consisting of: carbon, aramid, polyethylene, boron, and glass.

### Claim 14

A piping system for transporting flowable material, the piping system comprising:
a pipeline including:
an intake end;
a discharge end;
a pressure tube, the pressure tube constructed from a fiber reinforced thermoset polymeric composite material; and
a plurality of boom sections in supportive engagement with at least a portion of the pipeline, each boom section engaged in an articulated fashion with at least one adjacent boom section; and
a pump connected to the intake end.

### Claim 15 (depends on 14)

The piping system of claim 14 wherein the pump is a high pressure water pump.

### Claim 16 (depends on 14)

The piping system of claim 14, wherein the pipeline further comprises:
a liner insertable within the pressure tube.

### Claim 17 (depends on 14)

The piping system of claim 14 and further comprising a window molded into the pressure tube.

### Claim 18 (depends on 14)

The piping system of claim 14 wherein the liner is removable from the pressure tube.

### Claim 19 (depends on 14)

The piping system of claim 14 wherein the fiber reenforced thermoset polymeric composite material comprises:
a thermoset polymer matrix; and
fibers embedded within the matrix.

### Claim 20 (depends on 19)

The piping system of claim 19 wherein the thermoset polymer matrix is selected from a group consisting of: epoxy, polyesters, and vinyl esters.

### Claim 21 (depends on 19)

The piping system of claim 19 wherein the fibers are selected from a group consisting of: carbon, ararid, polyethylene, boron and glass.

### Claim 22

A material transport system for transporting flowable material, the piping system comprising:
a truck;
a pipeline supported by the truck including:
an intake end;
a discharge end;
a pressure tube, the pressure tube constructed from a composite material; and
a plurality of boom sections in supportive engagement with at least a portion of the pipeline, each boom section engaged in an articulated fashion with at least one adjacent boom section and supported by the truck; and
a pump connected to the intake end of the pipeline.

### Claim 23

A concrete piping system comprising:
a pipeline including:
an intake end;
an output end;
an liner resistant to concrete abrasion; and
a pressure tube of fiber reinforced thermoset polymeric composite materials placed over the liner;
a concrete pump connected to the intake end of the pipeline.
