Shock absorbing devices using rheopexic fluid

Details Shock absorbing devices using rheopexic fluid Shock absorbing devices using rheopexic fluid

1982-06-15

1984-09-18

Schroeder, Werner H.

Boots, shoes, and leggings

Soles

Cushion

36 43, 1883225, 2159, 54 41, 297214, A43B 1318, A41D 1900, F16F 500, B68C 100, B62J 100

Patent

active

044715382

ABSTRACT:
Shock absorbing devices utilize rheopexic fluid contained in a deformable sealed chamber which is subjected to external shock forces. Upon application of the shock forces to the deformable sealed chamber, the rheopexic fluid filled therein is exerted with shear stress which causes the rheopexic fluid to increase its consistency and shock absorbent characteristics as a function of increasing shear stresses applied thereto. Additionally, when used in an application wherein the device is placed against a body part of a user, the rheopexic material "molds" itself to the body portion of the user. When left at rest, the rheopexic material returns to its initial fluid, low-consistency state.

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patent: 4432357 (1984-02-01), Pomeranz
Appearance of Myelin Forms in Rheopexic Dispersions of Dioctyl Sodium Sulfosuccinate, Journal of Pharmaceutical Sciences, Levinson et al., vol. 65, No. 8, Aug. 1976, pp. 1265-1266.
Effect on pH on Rheopexic Dispersions of Dioctyl Sodium Sulfosuccinate Dispersed in Normal Saline, Journal of Colloid & Interface Science, Levinson et al., vol. 72, No. 1, Oct. 15, 1979, pp. 159-160.
Rheological Characterization of Dioctyl Sodium Sulfosuccinate in Normal Saline and Distilled Water, Journal of Colloid & Interface Science, Levinson et al., vol. 56, No. 2, Aug. 1976, pp. 388-390.

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