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As a result of its safety and strength, tempered glass is used in a variety of demanding applications, including passenger vehicle windows, shower doors, architectural glass doors and tables, refrigerator trays, as a component of bulletproof glass, for diving masks, and various types of plates and cookware. In the United States, since 1977 ...
In the Road Traffic Act 1930, the British Parliament required new cars to have safety-glass windshields, [17] but did not specifically require laminated glass. By 1939, 600,000 square feet (56,000 m 2 ) of safety glass manufactured by British Indestructo Glass, Ltd. of London [ 18 ] was being used annually in vehicles produced at the Ford Motor ...
It is the piece of glass opposite the windshield. Back glass is made from tempered glass, also known as safety glass, and when broken shatters into small, round pieces. [1] Windshields are made of laminated glass, which consists of two layers of glass, separated by a vinyl sheet. [2] Vehicle glass may contain heating coils or antennae. [3]
Fully tempered 6-mm thick glass must have either a minimum surface compression of 69 MPa (10 000 psi) or an edge compression of not less than 67 MPa (9 700 psi). [3] For it to be considered safety glass, the surface compressive stress should exceed 100 megapascals (15,000 psi). As a result of the increased surface stress, when broken the glass ...
In 1930, safety glass became standard on all Ford cars. [25] In the 1930s, plastic surgeon Claire L. Straith and physician C. J. Strickland advocated the use of seat belts and padded dashboards. Strickland founded the Automobile Safety League of America. [26] [27] In 1934, GM performed the first barrier crash test. [28]
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Early examples of VST included safety glass, four-wheel hydraulic brakes, seat belts, and padded dashboards. In 1934, General Motors began a scientific approach to vehicle safety by conducting the first crash barrier test. Gradually, existing systems were stabilized, followed by the introduction of disc brakes and anti-lock braking systems.
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