| 摘要 |
A sealant system for multiple part drilling components utilizing water as a coolant and flushing medium which includes nipple-like sealing inserts to interfit with axial recesses and with other opposed inserts to seal the axial passages extending through the joined axially aligned parts, each insert having a sealing relation to an axial passage in which it is carried and projecting into an adjacent part to interfit therewith.
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