US5273173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw top
Assignee: L&M Services BV
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Filing: 1993-02-05
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Granted: 1993-12-28
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Expires: 2013-02-05
Abstract
Abstract The invention relates to a screw top comprising essentially two elements formed by a skirt and a sealing ring connected together in a number of places by means of small cross-elements which can be broken when unscrewing the top, characterised in that of said two elements, either the skirt (2) or the sealing ring (3) comprises prolongations (8-10) which extend sufficiently far towards and beyond the opposite element so as to prevent any deformation of the sealing ring (3) in the radial direction of the top.
Inventors
- 👤 Jean Debetencourt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:31
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3442; B65D41/3447; B65D41/3404; B65D41/3409; B65D41/3414
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
90 words
A screw top comprising: a skirt, a sealing ring, a predetermined number of cross-elements extending between a lower edge of said skirt and an upper edge of said sealing ring for being broken when unscrewing the skirt due to their small section, prolongation means extending from said lower edge of said skirt towards and beyond said upper edge of said sealing ring along an innermost side of said sealing ring for preventing any deformation of said sealing ring in a radial direction so as to avoid rupture of said cross-elements.
Claim 2
Dependent Claim
90 words
A screw top comprising: a skirt, a sealing ring, a predetermined number of cross-elements extending between a lower edge of said skirt and an upper edge of said sealing ring for being broken when unscrewing the skirt due to their small section, prolongation means extending from said lower edge of said skirt towards and beyond said upper edge of said sealing ring along an innermost side of said sealing ring for preventing any deformation of said sealing ring in a radial direction so as to avoid rupture of said cross-elements.
Claim 3
Dependent Claim
24 words
A screw top as claimed in claim 1, wherein said prolongations extend in a direction substantially parallel to a geometrical axis of said top.
Claim 4
Dependent Claim
19 words
A screw top as claimed in claim 1, wherein the prolongation means comprises a plurality of circumferentially spaced prolongations.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-12-27 | 1997-06-28 | 1997-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-27 | 2001-06-28 | 2001-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-27 | 2005-06-28 | 2005-12-28 | $7700.00 | Window Closed / Lapsed |