F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16J—PISTONS; CYLINDERS; SEALINGS
F16J15/00—Sealings
F16J15/16—Sealings between relatively-moving surfaces
F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
Appareil dans lequel une bague annulaire est contenue dans une gorge autour d'un organe pour s'appliquer de maniere coulissante contre la surface cylindrique d'un autre organe
Dispositif pourvu d'une tete de scellement chauffable pour scellement etanche de l'ouverture d'un recipient, notamment d'un recipient en verre