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US 11,873,140 B2Granted
Biodegradable stopper
AssigneePujolasos, S.L.
InventorGal⋅la Romera Formiguera
Life of this patent
Estimating the term…
Abstract
The invention relates to a biodegradable stopper comprising a casing of rigid biodegradable material, consisting of an annular body with a covered flank, and an internal ring of biodegradable elastic material the total width of which is equal to or smaller than the internal width of the annular body, comprising one or more internal recesses in which one or more portions of the ring fit.
Claims13
A biodegradable stopper comprising:
- a casing of
- a rigid biodegradable material, and the casing comprising an annular body with a covered flank, and
- an internal ring of biodegradable elastic material, a total width (aa) of which is equal to or smaller than an internal width (ac) of the annular body, the annular body comprising one or more internal recesses in which one or more portions of the ring fit,
- wherein the ring comprises in the internal face thereof an air passage channel generated by one or more projections or grooves which extend between two flanks of the ring thereof.
1 more element
Dependencies are inferred from the claim text.