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H. C. Price Co. Patents
Assignee:
H. C. Price Co.
Address:
Bartlesville, OK
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
4284385 Method and equipment for handling pipe mounted carriage August 18, 1981
Apparatus for supporting a carriage such as for an automatic welding machine for welding line pipe on a lay barge where the machine is successively lifted from and set upon the pipe. A power cylinder operates extendable legs in accordance with its full stroke and cables connected wit
4249477 Apparatus for use in coating longitudinally welded pipe February 10, 1981
A device for applying mastic material to the weld bead area of longitudinally welded pipe is the subject of this application. An extruder is mounted on a framework and receives mastic material in rope form from a bulk spool positioned above the extruder. The extruder incorporates hea
4244740 Pipe coating composition utilizing cement kiln dust filler January 13, 1981
A pipe coating composition is the subject of the present invention. A bituminous base coating comprising binder, aggregate and fiber utilizes cement stack dust as a filler in place of conventional lime dust or cement. The cement stack dust filler is utilized in quantities up to 25% l
4231823 Method and apparatus for centering two concentric cylinders November 4, 1980
A method and apparatus for centering two concentric cylinders having different diameters is the subject of the present invention. A linear reference line is projected from an illuminating source along the length of the inner cylinder. At the other end of the cylinder is a photo recei
4213530 Containerized pipe coating material July 22, 1980
An improved containerized pipe coating including coating material and the container therefor is the subject of the present invention. An asphalt coating material comprising 10% to 25% by weight asphalt and 75% to 90% by weight sand-lime aggregate is used to coat the weld joints of pipe
4213357 Cutting device for pipe jackets July 22, 1980
A device for cutting a metal or plastic jacket which surrounds a layer of foam on an insulated pipe is the subject of the present invention. A circumferential track mounts on the jacket and a ring gear is movable in the track. The cutting means is mounted on the ring gear for movement
4205774 Device for welding tubes to pipe June 3, 1980
A device for automatically welding a tube onto a pipe of larger diameter is the subject of the present invention. Tack welding is achieved by two welding torches located on opposite sides of the tube and spaced apart longitudinally a distance equal to the distance desired between tack
4205544 Apparatus for bending corrugated pipe June 3, 1980
Corrugated pipe is bent by pinching the spiral corrugations on one side of the pipe to decrease their pitch and increase their amplitude as compared to the undeformed corrugations on the opposite side of the pipe, thereby shortening the pipe on one side. A machine for effecting deformati
4141130 Method and apparatus for centering two concentric cylinders February 27, 1979
A method and apparatus for centering two concentric cylinders having different diameters is the subject of the present invention. A linear reference line is projected from an illuminating source along the length of the inner cylinder. At the other end of the cylinder is a photo recei
4096017 Method and article for forming field joints on pipe coated with thermoplastic material June 20, 1978
A method and article for covering and sealing the exposed weld joint area of a pipeline coated with thermoplastic corrosion protective coating is the subject of this application. The article comprises a layer of thermoplastic material that is compatible with the thermoplastic coating.
4073760 Method of packaging asphalt material and improved product resulting therefrom February 14, 1978
A method of providing asphalt base coating material for pipe and a novel container for holding the coating material are the subject of the present application. An asphalt coating material comprising 10% to 25% by weight asphalt and 75% to 90% by weight sand-lime aggregate is used to coat
4004619 Method and apparatus for preparing and packaging mastic coating material January 25, 1977
A method and apparatus for packaging thermoplastic fluid material is the subject of the present invention. The thermoplastic material is mixed at an elevated temperature and emptied in predetermined batch quantities into a holding area. A gate in the bottom of the holding area is operabl
3964435 Apparatus for coating elongated objects of small diameter June 22, 1976
Apparatus for conveying elongated objects of small diameter. After an object is coated with a protective coating, a first conveyor flight having a generally V-shaped groove receives the leading end of the object. A second conveyor flight has a generally U-shaped groove to be positioned i
3937382 Internal pipe clamp with weld backup February 10, 1976
An internal pipe clamp is provided by the present invention. The clamp is designed to clamp two joints of pipe into position for a circumferential weld. The clamp includes mechanism for spacing the two joints apart a very short distance to facilitate welding. A backup member is provided

 
 
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