Crompton Technology Group Limited

Dale V L Faulkner

James William Bernard

Jon Pethick

Ioannis Giannakopoulos

Alexander Douglas Taylor

Paul Peacock

An electrical isolator includes a first fluid-carrying member and a second fluid-carrying member spaced apart from the first fluid-carrying member in an axial direction and a resistive, semi-conductive or non-conductive component located between the first and second fluid-carrying members. The component is adapted to convey fluid flowing from the first fluid-carrying member to the second fluid-carrying member. The isolator also include a first fluid sealing member provided between the first fluid-carrying member and the component, a second fluid sealing member provided between the second fluid-carrying member and the component, and a reinforcing composite encircling the first fluid-carrying member, the second fluid-carrying member and the resistive, semi-conductive or non-conductive component. A a radially inner portion of the component separates the first fluid-carrying member and the second fluid-carrying member by an axial distance. The first and second sealing members are located within the axial distance between the first and second fluid-carrying members.

Electrical isolator

An electrical isolator includes comprising: a first fluid-carrying member a second fluid-carrying member spaced apart from the first fluid-carrying member to form a gap; a resistive, semi-conductive or non-conductive component extending across the gap and bonded to the first and second fluid-carrying members so as to provide a fluid tight seal between the first fluid-carrying member and the resistive, semi-conductive or non-conductive component and between the second fluid-carrying member and the resistive, semi-conductive or non-conductive component. The isolator also includes a reinforcing composite encircling the first fluid-carrying member, the second fluid-carrying member and the resistive, semi-conductive or non-conductive component.

A threaded coupling is provided that comprises a first coupling member, comprising a cylindrical portion which is internally threaded around an axis of rotational symmetry of the cylindrical portion and comprises an open end that defines an opening having an annular rim; a second coupling member comprising an externally threaded portion and at least one key cavity; and a locking assembly. The locking assembly comprises a lock pin and a lock nut. The externally threaded portion is arranged to be received through the opening to be threadedly engaged with the internally threaded cylindrical portion to couple the first coupling member to the second coupling member. The rim comprises at least one projection that projects in a generally axial direction parallel to the axis of rotational symmetry of the cylindrical portion.

Threaded couplings with locking

A threaded coupling comprises a first coupling member, a second coupling member and a locking assembly. The locking assembly comprises a locking member comprising a pin portion fixed to a flexible cable portion, and a lock nut. When the first coupling member is coupled to the second coupling member the locking assembly is arranged to restrict radial, circumferential and axial movement of the pin portion.

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Stourbridge, United Kingdom

Dale V L Faulkner