To obtain {HEAD ~ a tight seal} of {TAIL ~ the hood} on the sabot by simple measures, particularly without a thread, the shell of the hood is designed with a sealing rim applying against a smooth annular zone of the sabot 
To obtain { HEAD ~ a tight seal } of { TAIL ~ the hood } on the sabot by simple measures , particularly without a thread , the shell of the hood is designed with a sealing rim applying against a smooth annular zone of the sabot
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH