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US5038951A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure for monodose bottles and the like, comprising a reservoir provided with a breakable bottom

Assignee: Individual
•
Filing: 1989-04-18
•
Granted: 1991-08-13
•
Expires: 2009-04-18
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Abstract

Abstract A closure of plastic material for monodose bottles and the like, provided with a reservoir (2) with a breakable bottom (3) housed in the neck (4) of the bottle (5) and showing an annular upper edge (6) superimposed to the annular edge (7) of the bottle opening; with a cylindrical element (8) with its lower end (9) sideways cut inserted into the reservoir (2) and including further a sealing cap (10) positioned around the bottle neck (4) and covering said cylindrical element (8), a weakening line apt to allow the tearing removal being provided in said cap.

Inventors

  • 👤 Napoleone Rizzardi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:34
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/24; B65D51/28; B65D51/2807; B65D51/2814; B65D51/2842; B65D51/285; Y; Y10; Y10S; Y10S215/00; Y10S215/08

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 145 words
A closure of a plastic material for monodose bottles and the like provided with a reservoir located in a bottle neck and having an upper annular edge superimposed onto an annular edge of a bottle opening, and a breakable bottom, and a cylindrical element inserted in the reservoir and having a sideways cut lower end, said closure comprising a sealing cap positioned around the bottle neck and covering the cylindrical element, said sealing cap having a flat wall, an upright extending cover, a tubular projection extending inwardly of said flat wall and having an inner end engaging the upper annular edge of the reservoir, a first weakening circular line separating said flat wall from said cover for enabling opening of said sealing cap, and a second weakening line extending substantially upright along a whole height of said cover and connected with said first weakening line.
Claim 2
Dependent Claim 145 words
A closure of a plastic material for monodose bottles and the like provided with a reservoir located in a bottle neck and having an upper annular edge superimposed onto an annular edge of a bottle opening, and a breakable bottom, and a cylindrical element inserted in the reservoir and having a sideways cut lower end, said closure comprising a sealing cap positioned around the bottle neck and covering the cylindrical element, said sealing cap having a flat wall, an upright extending cover, a tubular projection extending inwardly of said flat wall and having an inner end engaging the upper annular edge of the reservoir, a first weakening circular line separating said flat wall from said cover for enabling opening of said sealing cap, and a second weakening line extending substantially upright along a whole height of said cover and connected with said first weakening line.
Claim 3
Dependent Claim 38 words
A closure as set forth in claim 1, wherein said sealing cap comprises a gripping tongue arranged adjacent to the second weakening line and having a free end and a bridge connecting said free end with said cover.
Claim 4
Dependent Claim 53 words
A closure as set forth in claim 1, wherein said cover is provided on an inside thereof with one of a continuous annular raising and a discontinuous annuular raising for engaging the bottle annular edge and having a chamfered portion that engages the bottle annular edge upon placing the cap over the bottle.
Claim 5
Dependent Claim 15 words
A closure as set forth in claim 3, wherein said raising comprises a solid portion.
Claim 6
Dependent Claim 21 words
A closure as set forth in claim 1, wherein said cover has a lower edge extending beyond the bottle annular edge.
Claim 7
Dependent Claim 21 words
A closure as set forth in claim 5, wherein said lower edge of said cover engages a shoulder of the bottle.

References Cited (Backward Citations)

US3156369A Cited
US3603469A Cited
US3840136A Cited
US4195731A Cited
US4387818A Cited
US4592475A Cited
US4565294A Cited
US4815620A Cited
US4815620B1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-08-12 1995-02-11 1995-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-08-12 1999-02-11 1999-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-08-12 2003-02-11 2003-08-13 $7700.00 Window Closed / Lapsed

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