The birth of a great idea
Around 1936-37, Giuseppe Marini designed and built a plant for producing emulsion by mixing hot bitumen and water.
Marini made also a machine for producing mastic asphalt, consisting of a cart on wheels which carried a heater for bitumen and a U-shaped furnace, insulated with asbestos, which had a rotating shaft on the inside with arms and paddles to scrape the furnace walls. When the paddles turned they mixed the bitumen with rock asphalt, forming a product called mastic asphalt. Marini at that time was also building a small drum mixer, with rotating arms on the inside, and a burner for drying the aggregates.
In today’s terms Marini might seem to be a small enterprise, but at the time it was considered a highly respectable size. In 1927, the number of companies in the mechanical sector in the area of Ravenna was 1,014, with a total of 2,281 employees.