Abstract: Process for upgrading wood parts, wherein the wood parts in a hydrothermolysis step are brought under the influence of saturated steam at a temperature in the range of 130-220° C., such that a conversion of hemicellulose and lignin present in the wood parts takes place, wherein the wood parts are subsequently dried in a curing step to a moisture content which is lower than about 3 wt. % at a temperature in the range of 100-220° C., wherein the wood parts at the start of the hydrothermolysis step have an initial moisture content which is in the range of 10-25 wt. %.

Abstract: The variable V-belt drive for motor cars which up till this moment had the drawbacks that under many circumstances, especially when applying the brakes, the number of revolutions of the engine became uncomfortable high, resulting in an increased sound level, use of fuel, and transmission, has according to the invention then improved in the first place by that a switch responding to the number of revolutions influences the position of the movable disc of the primary pair of discs.