Pipeline pig
OwnerPeter Houldey, Peter Couchman +1inventors
InventorsPeter Houldey, Peter Couchman, Ian Smith
Life of this patent
Estimating the term…
Abstract
Vehicle parts of a pipeline pig are connected by a pivotable joint. The joint comprises first and second part-spherical hollow shells joined together, each shell having an aperture therein, said apertures being aligned, said first shell being mounted in a curved recess in said first vehicle part to the pivotable therein part, said second shell being mounted in a curved recess in said second vehicle part to the pivotable therein, the first and second vehicle parts each having ducts leading to the joint and communicating with said apertures and wherein pipeline pig harnessing passes between the vehicle parts through said ducts and said apertures.
Claims12
A pipeline pig having first and second pig vehicle parts interconnected by a pivotable joint, wherein the joint comprises a part-spherical hollow shell connected to the first vehicle part, and a curved recess in the second vehicle part in which the shell is mounted to be pivotable in said recess in about its centre, the pig vehicle parts each having ducts leading to the joint and the shell having an aperture therein interconnecting the ducts, and wherein pipeline pig harnessing passes between the vehicle parts through the ducts and the aperture.
A pipeline pig having first and second pig vehicle parts interconnected by a pivotable joint, wherein the joint comprises first and second partspherical hollow shells joined together, each shell having an aperture therein, said apertures being aligned, said first shell being mounted in a curved recess in said first vehicle part to the pivotable therein part, said second shell being mounted in a curved recess in said second vehicle part to the pivotable therein, the first and second vehicle parts each having ducts leading to the joint and communicating with said apertures, and wherein pipeline pig harnessing passes between the vehicle parts through said ducts and said apertures
A joint for pivotally interconnecting pig vehicle parts, said joint comprising a part spherical hollow shell connected to an attachment body or attachment to a first vehicle part, and a curved recess in a second attachment body for connection to a second vehicle part, in which the shell is mounted to be pivotally in said recess about its centre, the attachment bodies each having ducts therein, and the shell having an aperture therein with the duct and the aperture in the shell in communication.
Dependencies are inferred from the claim text.