Improvements in cannulas for the treatment of the udders of cows

摘要

498,998. Brushes &c. ULDBJERG, N., and SORENSEN, N. P. June 15, 1938, No. 17779. Convention date, July 16,1937. [Class 19] [Also in Group VI] An appliance for use in treatment of cows' udders by insertion into the teat consists of a stem 1 of intertwined pliable wires with which are entwined transverse threads 2 of silk, wool, cotton or other soft material, one end of the appliance being provided with a hook or button 4 and the other with a protective knob 3 of celluloid or like material.