Device for rendering a cable longitudinally watertight
AssigneeU.S. Philips Corporation
InventorsAntonius P. Haverkamp, Klaas W. Kerkhof
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Abstract
A device for rendering cables such as electric cables, telecommunication cables, optical cables, longitudinally watertight by the block-wise application of a sealing compound into the cable core by means of an intermittently displaceable nozzle which is periodically displaced by a driving element, the speed of the driving element being synchronized with the linear speed of the cable core.
Claims6
A device for rendering a cable comprising a stranded core longitudinally watertight by the block-wise application under pressure of sealing material in and around the stranded cable core, while said cable core is longitudinally advancing, said device comprising an injection head which can be intermittently displaced in the longitudinal direction of the cable by means of a guide in synchronism with the speed of advancement of the cable core and which also comprises a feed-through chamber which is connected to a supply duct for the sealing material, the supply of which material is dosed by means of a supply valve, characterized in that the synchronized controlled displacements of the injection head are provided in the device by a drive mechanism comprising a driving element which is coupled to the injection head and which is controlled by a pneumatic unit connected to a compressed air duct including a control valve.
Dependencies are inferred from the claim text.