F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
Procédé de fabrication d'un récipient, de remplissage de ce récipient au moyen d'un gaz sous pression, de fermeture de ce récipient et de vidange de ce dernier, et dispositif pour la mise en oeuvre de ce procédé