Cap
AssigneeLumson S.p.A.
InventorMatteo Moretti
Life of this patent
Estimating the term…
Abstract
A cap (1) comprising a base body (2, 2′) is endowed, on one of the internal sides thereof, with a thread (3), a seat (4) in which a seal (5) is housed at least partially, and a liner (6) fitted onto the base body (2) and torsionally fastened thereto, which completely conceals the base body (2) from lateral views and in at least one plan view.
Claims10
A cap (1) comprising a base body (2, 2′) provided, on one of its inner sides, with a thread (3), a seat (4) in which a seal (5) is at least partially housed, and a liner (6) shod on the base body (2) and torsionally attached to it, wherein the liner completely conceals the base body (2) in side views and at least in a plan view;
- wherein a contact surface between a celling (2C) of the base body (2) and the liner (6) is defined by an annular support (20) protruding from the base body (2) or by a plurality of ridges (21) protruding from the base body (2) and arranged in a ring pattern;
- and
- wherein the base body (2) presents, on an outer side surface thereof (2A), at least one groove (7) acting as a vent for air trapped between the base body (2) and the liner (6) during a mutual coupling thereof, the groove (7) presenting a first end opening on a free edge (2B) of the base body (2) and a second end (7B) opening on an interconnecting edge between said lateral surface (2A) and a ceiling (2C) of said base body (2).
Dependencies are inferred from the claim text.