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Now CF makes alloy tipping bodies for rigids

26th February 1971
Page 33
Page 33, 26th February 1971 — Now CF makes alloy tipping bodies for rigids
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• A new development by Crane Fruehauf frailers Ltd is the introduction of a wavy-duty all-welded aluminium tipper oody for rigid vehicles, available in lengths of 1211 to 20ft in 12in. increments. The -:.ompany also announces a welded thiminium tipping body on a three-axle wmi-trailer, designed to carry 42 cu yd of

dry powder in bulk; it is of the covered monocoque type.

Three covered tipping bodies have been supplied to The British Aluminium Co Ltd for carrying aluminium oxide (alumina) in bulk. Known as the Cap Dump, the body provides complete moisture protection of the powder and is cited as a relatively inexpensive alternative to more sophisticated hopper tank models. It has a length of 28ft 6in, and is mounted on a standard Crane Fruehauf semi-trailer chassis of I-beam construction. The tractive unit is a Seddon 32:four model and the gross weight of the outfit is 32 tons, payload capacity being 21 tons.

A special tailgate is equipped with an Amucon diaphragm valve which enables the discharge rate of the powder to be varied as required. Five loading manholes in the roof are fully sealed to prevent the entry of water. Top-hat aluminium ribs are located at 18in. centres, while the roof section is stiffened by similar ribs at 36in. centres, the body ribs being continuous between the top rails. Details include radiused corners designed to give complete discharge. Evolved from the company's standard semi-trailer tipping body, the rigid-vehicle bodies have pre-formed, pre-stressed stiffening ribs of extruded top-hat section that are located at 211 centres, and tipping is provided by a single front-mounted hydraulic ram. Fully stressed, the floor is of 5 /32in. aluminium plate, while a floor-to-side radius of 12in. provides easy discharge. The ram is protected by an integral housing.

An end-over-end tailgate is designed to extend the working life of the body by reducing bottom wear during discharge. The tailgate is mounted in a robust box frame and has vertical stiffening members. Positive self-closing is ensured by slanting the rear of the body structure outwards. An over-centre clamp type of manual locking mechanism is operated from the front of the body, an air operated lock being an optional extra.

Claimed to be suitable for the large majority of truck chassis the body is mounted on a pressed-steel-channel sub-frame in which is located a 50gal oil reservoir for the tipping gear.


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