Thermoplastic Road Marking Machine

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Who Invented The First Compaction Roller?

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A compaction roller is an item of construction equipment used to compact surfaces such as concrete, soil, gravel or macadam during the construction of foundations and roads. They are also used for landfill compaction, typically with a sheepsfoot roller pattern with the aim to achieve a compacted surface over and above a smooth one. Compaction rollers operate by using the weight of the vehicle to compress the surface they are driven over. Generally, initial compaction is performed by a roller with air filled tyres, which is better suited to the slightly un-even terrain of a newly laid road. The compaction roller with its smooth metal drum provides the final smooth finish. The very first compaction rollers were likely to have been horse-drawn and it's possible that they could have been in use by the Romans who were prolific road builders in the 2nd century BC. In more modern history mechanised rollers were in use from the time of the invention of the steam roller, approxi...
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The Common Two Types of Road Marking Machine

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Road marking machine is a kind of mechanical device that paint traffic lines on the surface of highway, runway, parking lots to keep the traffic order and safety. Road marking machines usually can be divided into three categories: thermoplastic paint, cold paint and two-component paint type, depending on the coating materials. The Function of Road Line Marking Machine Thermoplastic marking is mainly used for the road surface, suffered by the sun and the rain, the snow and ice,and damaged by the quantities of vehicle, so it requires lines with high performance.  Firstly,it requires short drying time and easy operation to reduce traffic interference.Secondly,it requires strong reflecting effects and bright colors so that the lines have good visibility day and night; Thirdly, the lines must have good anti-slip and high abrasion resistance to ensure traffic safety and service life. The Uses of Thermoplastic Road Marking Machine Thermoplastic Road Marking Machine for appli...
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Various Types of Threaded Rebar Couplers

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Straight Threaded rebar couplers are very common equipment is construction, which is usually used  to connect reinforcement to make the reinforcement structure much stronger. Of course, the products contains many kinds of types, with each type for different uses and different steel bars.  Straight Threaded Coupler with Upset Rebar Ends This is a mechanical splice consisting of forming heads on the ends of the bars to be connected using a hydraulic machine from the splice manufacturer, which is designed to fit between closely-spaced bars. The upset bar ends are butted to each other and are held in place using a male and female straight-threaded coupler that is positioned onto the bars prior to forming the heads. The coupler is installed by turning either the male or female component and tightening to the manufacturer's recommended torque; no rotation of the bar is required. Bent or curved bars can be spliced with the same device. Adaptations permit use for end anch...
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