Extraction capsules for champagne bottles, sparkling wines or the like

摘要

The invention relates to a stretching capsule (4, 4)For champagne bottles, etc., including round metal capsules with "corrugated skirt" (40). The bottom (40) of the circular metal capsule has an elastic material seal ((41), which includes a surrounding crown (() 411) and a central crown () 410, which will be forcibly inserted into the groove. The central crown (+ 410) extends beyond the corrugated outer skirt (+ H2) to "insert into the groove until a calibrated area in the groove".