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A New Laminated Windshield Designed to Minimize Laceration
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English
Abstract
A new laminated windshield has been developed with the express purpose of reducing the danger of laceration to a vehicle occupant who is thrown into it. This is accomplished by using a thin, chemically strengthened sheet of glass for the inner ply. This inner layer is provided with stress raisers that will cause it to break before excessively high concussion forces can be developed in the occupant's skull. The windshield and its operating principles are fully described.
Module and full-scale tests are described and results are reported and discussed. They show that the new windshield does indeed almost eliminate facial laceration without causing intolerable concussion forces.
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Citation
Blizard, J. and Howitt, J., "A New Laminated Windshield Designed to Minimize Laceration," SAE Technical Paper 700428, 1970, https://doi.org/10.4271/700428.Also In
References
- Widman J. C. “Recent Developments in Penetration Resistance of Windshield Glass.” SAE Transactions 74 1969 Paper 650474
- Fargo R. B. “Windshield Glazing as an Injury Factor in Automobile Accidents.” ACIR October 1968
- Patrick L. M. Trosien K. R. DuPont F. T. “Safety Performance of a Chemically Strengthened Windshield.” Paper 690485 SAE Mid-Year Meeting Chicago May 1969
- Blizard J. R. Howitt J. S. “Development of a Safer Non-Lacerating Automobile Windshield.” Paper 690484 SAE Mid-Year Meeting Chicago May 1969
- Patrick L. M. VanKirk D. J. Nyquist G. W. “Vehicle Accelerator Crash Simulator.” Proc. Twelfth Stapp Conference Detroit October 1968 Paper 680791
- Gadd C. W. “Use of Weighted-Impulse Criterion for Estimating Injury Hazard.” Proc. Tenth Stapp Car Crash Conference Holloman AFB, N. M. November 1967 Paper 660793
- Blizard J. R. “Chemically Strengthened Glass.” SAE Transactions 77 1968 Paper 680485
- Private communication Gladston J. G. Dr.