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The British Standards Load-line Indicator

2nd June 1933, Page 44
2nd June 1933
Page 44
Page 44, 2nd June 1933 — The British Standards Load-line Indicator
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TI); our issue dated March 31 we gave .1 brief details of a non-tamperable means for indicating the quantities of loose materials in cubic yards contained in a body, developed by the British Standards Institution in conjunction with the Ballast, Sand and Allied Trades Association.

Further details regarding the simple but efficient means employed are now available. It will be seen from the illustrations that it consists of round-headed bolts, which are passed through the wood or metal panels of the body and spaced at heights corresponding to the grading of the load in the body. Each bolt is then secured by a hexagon nut, washers being used to prevent vibration ; holes are drillM through the ends of the bolts, and through them is passed a 1-in, diameter steel rod. Then this rod is Carried into a sealing box and bent over. A special combined funnel and mould, which can carry the initials of the authority under the jurisdiction of which the sealing is performed, is pushed against the box, and the letter is filled with lead, thus constituting an effective seal, which may be either at the B26 base, as shown, or between any two of the bolts. The sealing box is held in the position required by small counter sunk-headed bolts, the nuts of which are also locked by the sealing lead.

Horizontal cuts acr6ss the heads of the bolts indicate the various load lines. To protect the device, a vertical angle-iron is secured at each side of it.

We presume that with such an indicator in operation, some allowance must be made for the working down of a load during transit, as many loose materials might start to a line and work well below it after travelling for a few miles. Suggestions have been made to the Government that the employment of this form of indicator should be made compulsory, and it is possible that a short Bill will be introduced to this effect.

A device of this type, if utilized by all the road transport contractors concerned, will do a great deal towards preventing abuses which exist in certain directions, and will be more satisfactory both to the pit owners and the purchasers. That there is a need for it is shown by the fact that the association concerned has, as a temporary measure, been issuing, on its own initiative, a simple type of indicator.


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