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Hazel-Atlas Glass Company. The Hazel-Atlas Glass Company was a large producer of machine-molded glass containers headquartered in Wheeling, West Virginia. It was founded in 1902 in Washington, Pennsylvania, [1] as the merger of four companies: Hazel Glass and Metals Company (started in 1887) Atlas Glass Company (started 1896) Wheeling Metal Plant
Glass casting is the process in which glass objects are cast by directing molten glass into a mould where it solidifies. The technique has been used since the 15th century BCE in both Ancient Egypt and Mesopotamia. Modern cast glass is formed by a variety of processes such as kiln casting or casting into sand, graphite or metal moulds.
The dimensions of the optical elements that can be moulded depend on the size of the moulding machine. The precision glass moulding process is not limited to small optics. For the right element geometry, it can enable economical production of aspheric lenses up to 60 mm in diameter and more than 20 mm thick. [5] General design recommendations ...
Stamping (also known as pressing) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press , blanking, embossing ...
These carabiners have an anodized aluminium surface that has been dyed; they are made in many colors. Anodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process is called anodizing because the part to be treated forms the anode electrode of an ...
The heart of the LiMCA measuring system consists of a closed glass tube (electrically insulating material) bearing a small orifice at its bottom. The tube is positioned in liquid metal. By creating a vacuum inside the tube, the metal with the suspended inclusions to be detected is forced through the small orifice. Two electrodes are necessary ...
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