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New Frozen-food Semi-trailer

18th September 1964
Page 69
Page 69, 18th September 1964 — New Frozen-food Semi-trailer
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A NEW, one-piece glass-reinforced plastics, insulated and refrigerated 'rozen-food transporter has been put nto service by Birds Eye Foods Ltd. ganufactured by Mickleover Transport _Ad. and mounted on a Scarnmell Fourrak semi-trailer, the body has a form Df construction which is claimed to be .evolutionary.

The one-piece insulated body measures nternalty 24 ft. 6 in. long by 6 ft. 11 in. Nide by 6 ft. 9 in. high and it is the argest road-going body of this type and :onstruction to be made in the British .stes and, it is thought, in the world. ,oad capacity is 12 tons. it is the first ime that one-piece moulded construeion has been used for an insulated body m a semi-trailer.

Having exceptionally low heat transfer 'aloes, one-piece construction gives high hermal efficiency and it is said that these :haracteristics are very long-lived. The ngress of moisture into the polyurethane nsulation, with the consequent breaking town of its qualities, is prevented in the :Vent of the outer skin being damaged. )eing of one-piece construction the unit s highly resistant to impact damage and, I this does occur, it is usually localized .nd easy. to repair. Rusting and rotting ire completely eliminated, resulting in :onsiderably reduced maintenance costs.

Refrigeration is by Drikold (dry cc) and the construction is said to reduce he consumption of this commodity by

Lt least 30 per cent. The Drikold is arried in the body in bunkers, attached 0 the roof, and the evaporation rate which controls the time that a particular emperature can be maintained) is obained by using bunkers of different onstruction. For a high rate of vaporation aluminium bunkers would re used and for a low rate timber or 'art-timber bunkers. Precise control is rbtained by placing thermal-resistance lads between the Drikold blocks and the .unkers. Temperature control is by the ivantity of dry ice used.

The body is capable of transporting a Dad of frozen food at temperatures of

—5 to 0"F. at ambient temperatures of 90F. for 48 hours, and where a temperature of 40' to 45° is required, durations of up to 96 hours can be accommodated.

Longer periods can be obtained by increasing the number of bunkers fitted.

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