Improvements in and relating to hypodermic injection apparatus
Abstract
Abstract 436,037. Valves. GELIZO, F. S., 28, Calle Ballesta, RODRIGUEZ, G. C., 10, Arriaza, and DEZA ZAPATA, R. S. DE, 163, Alcala, all in Madrid. Sept. 11, 1934, No. 26062. Convention date, Sept. 16, 1933. [Class 135] [See also Group VI] The outlet tube d of a liquid container a is pressed within a depression in a rubber valve e having lateral spaces or grooves f and mounted in a tube g. A rubber tube h connects the container and tube g and has clamped thereon a sleeve i having two or more longitudinal grooves, and a sleeve l having tongues engaging within the grooves and embraced by a ring j which screws on the sleeve i. Rotation of the ring causes displacement of the sleeve l and therefore of the valve e.
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