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2. Stephen Stepanian - Wikipedia

   en.wikipedia.org/wiki/Stephen_Stepanian

   Stephen invented a self-discharging motorized transit mixer that was the predecessor of the concrete mixer truck and applied for a patent in 1916. [2] However, the patent was rejected in April 1917 by the patent office because it was believed that a truck could not support the weight of a concrete mixer on top of it. [5]

3. Ready-mix concrete - Wikipedia

   en.wikipedia.org/wiki/Ready-mix_concrete

   Ready-mix concrete (RMC) is concrete that is manufactured in a batch plant, according to each specific job requirement, then delivered to the job site "ready to use". [ 1 ] There are two types with the first being the barrel truck or in–transit mixers .

4. Concrete mixer - Wikipedia

   en.wikipedia.org/wiki/Concrete_mixer

   The concrete mixing transport truck maintains the material's liquid state through agitation, or turning of the drum, until delivery. These trucks have an interior turbine that pushes the mixed concrete up against gravity inside the drum. The interior of the drum on a concrete mixing truck is fitted with a spiral blade. In one rotational ...

5. Heidelberg Materials - Wikipedia

   en.wikipedia.org/wiki/Heidelberg_Materials

   The enlarged group has activities in over 50 countries with 51,000 employees working at almost 3,000 production sites. Heidelberg Materials operates around 130 cement plants with an annual cement capacity of around 170 million tonnes, around 1,300 ready-mixed concrete production sites, and just under 600 aggregates quarries. [2]

6. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

7. Oldcastle Materials - Wikipedia

   en.wikipedia.org/wiki/Oldcastle_Materials

   Oldcastle Materials Inc. is a supplier of asphalt, concrete, and other building materials, and also offers construction and paving services. The Atlanta-based company is a subsidiary of CRH plc, a publicly traded international group of diversified building materials businesses, [2] [3] and has approximately 18,000 employees at 1,200 locations, as of March 2018.