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Power of the press
Page 118
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• Furniture foam supplier Harrison and Jones can now carry more foam blocks than before, thanks to a Foden 6x4 drawbar outfit fitted with novel Foam Press bodywork developed by Belgian specialist Jans Karrosseriekonstruktie of Hoeselt.
The prime mover is fitted with a twin-roof body design that first compresses 16 blocks of foam, each of 2.5 x 2.0 x 1.2m, down to 30% of their original volume by forcing down the intermediate roof, which then provides the base for another 16 blocks of foam.
They are then compressed in the same way by the upper roof. The tandem-axled Jans trailer which, like the prime mover travels closed down to 4.0m, takes 12 more blocks, compressed by 50%.
Hydraulic rams fitted outside the body are microprocessor controlled to ensure that the floors descend evenly in 60mm increments. The operating controls are set at the rear nearside and have a manual override in case of a system failure.
Sandbach Truck Centre supplied the 6.375m wheelbase base rigid which features shallow (256mm) longitudinais with all ancillaries such as fuel and air tanks mounted below chassis level.
Foden chose to use a Volvo Hydraulics pump to meet the need for a high output at low engine speeds, with a quiet operation in noise-sensitive areas.
The body sides and bulkhead are made of extruded aluminium -planks", the roofs/floors also have steel space frames. Three electrically driven conveyor floors help to discharge the foam blocks.
In all, the combination weighs 24.5 tonnes and can carry just over seven tonnes of foam: 1.5 times as much as H&J's conventional artics.
It cost in the region of 1130,000 and will be used to transport flame-retardent foam between H&J's Manchester plant and depots in Birmingham, Bristol and Nottingham.
Jans has been building truck bodies since 1930, and now specialises in foam compressors which it sells into Europe, the Middle East and America. Over 80% of its production is concentrated on the new model, eight of which have been built for H&J's parent group, Recticel.