English to Russian Law/Patents Engineering (general)

In addition, the filter 236, by virtue of the O-ring 246 seal, reduces the risk of contamination of the injectate fluid and the needleless injection apparatus 130 by preventing the fluid from contacting any threading present in the filter 236, the end caps 198, 200, or the tubular member 194. The filter 236 may also increase the useful life of the injection head 140 and/or the end caps 198, 200 over other filter configurations, as threads or grooves exposed to acidic conditions (cleaning fluid or injectate) tend to pit easily and rust.

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3. A machine for injecting liquids as defined in Claim 2, wherein said flexible sealing component is an O-ring.

4. A machine for injecting liquids as defined in Claim 3, wherein said O-ring is constructed of TEFLON, EPDM (Ethylene Propylene Diene Monomer), silicone, rubber, VITON or any combination thereof.