A bottle is disclosed which comprises a neck that forms an upwardly extending mouth from and through which a liquid flows, and a first potion for preventing liquid residue from dripping upon the outer surface of the neck. The first portion includes at least one annular groove formed integrally with
A bottle is disclosed which comprises a neck that forms an upwardly extending mouth from and through which a liquid flows, and a first potion for preventing liquid residue from dripping upon the outer surface of the neck. The first portion includes at least one annular groove formed integrally with the outer surface of the neck near the mouth. The groove is defined by a frustoconical portion of the surface, coaxial to a central axis of the neck and having a diameter that decreases in a generally downward direction. It is also defined by an annulus-shaped portion, lying on a plane substantially normal to the axis and relatively smoothly filleted with the frustonconical portion. The maximum diameter of the annulus-shaped portion is substantially equal to the maximum diameter of the frustoconical portion.
대표청구항▼
1. A bottle comprising a neck that forms an upwardly extending mouth from and through which a liquid flows, and a first portion in proximity to the mouth for preventing liquid residue from dripping upon an outer surface of the neck, the first portion comprising at least one annular groove formed int
1. A bottle comprising a neck that forms an upwardly extending mouth from and through which a liquid flows, and a first portion in proximity to the mouth for preventing liquid residue from dripping upon an outer surface of the neck, the first portion comprising at least one annular groove formed integrally with the outer surface of the neck, the groove being defined by a frustoconical portion of the surface, coaxial to a central axis of the neck and having a diameter that decreases in a generally downward direction, and by an annulus-shaped portion, lying on a plane substantially normal to the axis and relatively smoothly filleted with the frustoconical portion, the maximum diameter of the annulus-shaped portion being substantially equal to the maximum diameter of the frustoconical portion, wherein the taper of the frustoconical portion is generally within a range of 22° and 24°, the width of the at least one groove, measured axially, is about 6 mm, and the depth of the groove, measured radially, is equal to about 4 mm. 2. The bottle set forth in claim 1, wherein at least two grooves are provided, in series, so that the annulus-shaped portion of a first of the grooves is radiused with the frustoconical portion of a second, adjacent and lower of the grooves, the radius being much sharper than the fillet at the bottom of the groove. 3. The bottle set forth in claim 2, comprising three or more grooves arranged in series. 4. A bottle comprising a neck that forms an upwardly extending mouth from and through which a liquid flows, and a first portion in proximity to the mouth for preventing liquid residue from dripping upon an outer surface of the neck, the first portion comprising at least one annular groove formed integrally with the outer surface of the neck, the groove being defined by a frustoconical portion of the surface, coaxial to a central axis of the neck and having a diameter that decreases in a generally downward direction, and by an annulus-shaped portion, lying on a plane substantially normal to the axis and relatively smoothly filleted with the frustoconical portion, the maximum diameter of the annulus-shaped portion being substantially equal to the maximum diameter of the frustoconical portion, wherein between the at least one groove and mouth, the neck integrally provides a radial enlargement in which a supplementary gutter-like annular groove is formed. 5. The bottle set forth in claim 4, wherein at least two grooves are provided, in series, so that the annulus-shaped portion of a first of the grooves is radiused with the frustoconical portion of a second, adjacent and lower of the grooves, the radius being much sharper than the fillet at the bottom of the groove. 6. The bottle set forth in claim 4, comprising three or more grooves arranged in series. 7. A bottle comprising a neck that forms an upwardly extending mouth from and through which a liquid flows, and a first portion in proximity to the mouth for preventing liquid residue from dripping upon an outer surface of the neck, the first portion comprising at least one annular groove formed integrally with the outer surface of the neck, the groove being defined by a frustoconical portion of the surface, coaxial to a central axis of the neck and having a diameter that decreases in a generally downward direction, and by an annulus-shaped portion, lying on a plane substantially normal to the axis and relatively smoothly filleted with the frustoconical portion, the maximum diameter of the annulus-shaped portion being substantially equal to the maximum diameter of the frustoconical portion, wherein the annulus-shaped portion is inclined at an angle of about 4°, with respect to the plane normal to the central axis of the neck. 8. The bottle set forth in claim 7, wherein at least two grooves are provided, in series, so that the annulus-shaped portion of a first of the grooves is radiused with the frustoconical portion of a second, adjacent and lower of t he grooves, the radius being much sharper than the fillet at the bottom of the groove. 9. The bottle set forth in claim 8, comprising three or more grooves arranged in series.
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이 특허에 인용된 특허 (2)
Wolkonsky Alexander (Fribourg CHX), Flask for sterile liquids.
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