Back box
OwnerNigel Dobsoninventor
Life of this patent
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Abstract
An electrical socket back box 1 comprises an inner casing 2, an outer casing 4 and an integral layer of insulating material 6, which may be acoustic mastic. The inner casing 2 and outer casing 4 are composed of a hard plastic material. The insulating material 6 provides insulation of up to 64 dB acoustic rating and 2 hours fire rating. The layer of insulating material 6 is press moulded onto the rear surface of the inner casing 2 and the outer casing 4 is press moulded onto the layer of insulating material 6.
Claims12
A back box comprising at least one layer of an insulating material, said material being located between an inner casing and an outer casing of the back box.
A method of manufacturing an integrally insulated back box comprising the steps of:
- a. applying at least one layer of insulating material onto the rear surface of an inner casing;
- and
- b. applying an outer casing onto the at least one layer of insulating material.
A back box comprising at least one layer of an insulating material, said insulating material being secured to an outer casing of the back box.
Dependencies are inferred from the claim text.