Cast material with encapsulated lubricant

Details Cast material with encapsulated lubricant Cast material with encapsulated lubricant

1992-10-09

1993-10-05

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428141, 428144, 428147, 428202, 428206, 428402, 4284022, 42840221, 428403, 428407, 428906, 428913, 602 2, 602 3, 602 8, 602 9, B32B 300, D06N 704, A61F 504

Patent

active

052503445

ABSTRACT:
A slippery orthopedic cast tape produced by depositing onto a substrate a layer of microencapsulated lubricating or friction-reducing material. The substrate is impregnated with a material which is hardenable upon exposure to an activating agent. The coating of each one of the microgranules is formed of a material which is removable upon the application thereto of a removing stimulus. The microencapsulated lubricious material is applied to the inner end of a rolled cast tape so that it will be adjacent the outer layers of a formed cast. In one embodiment, the microgranules are formed of a water-insoluble polymeric coating over a polyethoxylated surfactant which serves as the lubricious material, the polymeric coating being rupturable upon the application of pressure in order to release the lubricious material.

REFERENCES:
patent: 3300332 (1967-01-01), Gorham et al.
patent: 3415240 (1968-12-01), Sheldon
patent: 4856502 (1989-08-01), Ersfeld et al.

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