초록 ▼

A device and a method for shrinking heat recoverable sleeves for covering cable joints comprising a heating device the interior of which has a plurality of independently energizable heating elements and at least one sensor and a control circuit or control circuits which are connected to the heating

A device and a method for shrinking heat recoverable sleeves for covering cable joints comprising a heating device the interior of which has a plurality of independently energizable heating elements and at least one sensor and a control circuit or control circuits which are connected to the heating elements and the at least one sensor. The control circuit is arranged to produce a uniform and then a non-uniform temperature profile within the heating device unless the initial temperature within the heating device is above a given temperature (e.g.) 30°C. in which case the control circuit waits until the temperature within the heating device falls to below the given temperature before producing the temperature profiles whereby sleeved cable joints of a uniform quality are produced by avoiding air entrapment within the sleeve during the shrinking process.

대표청구항 ▼

A method of applying heat to a heat-recoverable article in apparatus having an interior with a plurality of independently-energizable electrical heating elements and temperature sensing means, the method comprising the steps of: placing a heat-recoverable article together with at least one joint to

A method of applying heat to a heat-recoverable article in apparatus having an interior with a plurality of independently-energizable electrical heating elements and temperature sensing means, the method comprising the steps of: placing a heat-recoverable article together with at least one joint to be covered within the apparatus, sensing the internal temperature of the apparatus, and selecting a heating profile dependent on the sensed temperature to effect heat recovery.