Patent US5660289A successfully refreshed from Google Patents.
US5660289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic cap for containers
Assignee: Closure Systems International Deutschland GmbH
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Filing: 1995-04-11
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Granted: 1997-08-26
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Expires: 2015-04-11
Abstract
Abstract A plastic cap for containers comprises a flat top, a casing emanating from same, as well as a guarantee area in the form of a guarantee ring provided in the edge zone of the casing. The guarantee area is provided with at least one vertical incision extending over the height of the guarantee area. The vertical incision is arranged in dependence on specific form characteristics, preferably in dependence on the arrangement of holding webs of the cap, and is cut into the wall of the guarantee ring.
Inventors
- 👤 Gunter Spatz
- 👤 Wolfhard Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:24
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/01; B26F; B26F1/00; B26F1/18; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3423; B65D41/3428; B26F2210/00; B26F2210/04; B65D2401/00; B65D2401/15; B65D2401/30; B65D2401/35
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
123 words
Plastic cap for containers, comprising: a flat top; a casing emanating from said flat top; and a guarantee area provided in an edge zone of the casing, said guarantee area including at least one holding web provided on a surface of said guarantee area which said holding web holds said guarantee area to said casing, said guarantee area further including at least one vertical incision cut into a wall of the guarantee area after the plastic cap is formed and cut at a position located a predetermined distance from the at least one holding web such that said vertical incision experiences a maximum deflection in both an axial direction and a radial direction of said plastic cap when said plastic cap is opened.
Claim 2
Dependent Claim
123 words
Plastic cap for containers, comprising: a flat top; a casing emanating from said flat top; and a guarantee area provided in an edge zone of the casing, said guarantee area including at least one holding web provided on a surface of said guarantee area which said holding web holds said guarantee area to said casing, said guarantee area further including at least one vertical incision cut into a wall of the guarantee area after the plastic cap is formed and cut at a position located a predetermined distance from the at least one holding web such that said vertical incision experiences a maximum deflection in both an axial direction and a radial direction of said plastic cap when said plastic cap is opened.
Claim 3
Dependent Claim
19 words
Plastic cap according to claim 1, wherein the guarantee area is in a form of a surrounding guarantee ring.
Claim 4
Dependent Claim
54 words
Plastic cap according to claim 1, wherein the guarantee area includes three ring segments, the at least one holding web includes three holding webs, and the at least one vertical incision includes three vertical incisions cut in the three ring segments, respectively, at a same distance from each of the respective three holding webs.
Claim 5
Dependent Claim
26 words
Plastic cap according to claim 1, wherein the at least one vertical incision is bridged by at least one corresponding area extending in a circumferential direction.
Claim 6
Dependent Claim
20 words
Plastic cap according to claim 4, wherein the at least one area is in a form of a bridging web.
Claim 7
Dependent Claim
38 words
Plastic cap according to claim 1, wherein the guarantee area partially extends over an arc-shaped circumferential area of said casing based on an opening angle of said guarantee area having a value which is between 60° and 240°.
Claim 8
Dependent Claim
24 words
Plastic cap according to claim 6, wherein the at least one vertical incision is cut in the middle of the partially extended guarantee area.
Claim 9
Dependent Claim
15 words
Plastic cap according to claim 6, wherein said value of the opening angle is 180°.
Claim 10
Dependent Claim
15 words
Plastic cap according to claim 6, wherein said value of the opening angle is 120°.
Claim 11
Dependent Claim
33 words
Plastic cap according to claim 1, wherein the at least one holding web holds at least one corresponding ring segment of the guarantee area to said casing when said plastic cap is opened.
Claim 12
Dependent Claim
28 words
Plastic cap according to claim 10, wherein the at least one holding web is formed by a material section that projects on an inside surface of the casing.
Claim 13
Dependent Claim
25 words
Plastic cap according to claim 10, wherein said guarantee area further includes at least one recess provided on an outside surface of the guarantee area.
Claim 14
Dependent Claim
25 words
Plastic cap according to claim 10, wherein said guarantee area further includes at least one projection provided on an inside surface of the guarantee area.
Claim 15
Dependent Claim
25 words
Plastic cap according to claim 13, wherein the at least one projection is located at a distance relative to the at least one holding web.
Claim 16
Dependent Claim
29 words
Plastic cap according to claim 13, wherein the at least one projection is provided with reinforcing ribs which are arranged on a top of the at least one projection.
Claim 17
Dependent Claim
25 words
Plastic cap according to claim 13, wherein the at least one recess is located at a distance relative to the at least one holding web.
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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) | 2000-08-25 | 2001-02-24 | 2001-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-08-25 | 2005-02-24 | 2005-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-08-25 | 2009-02-24 | 2009-08-26 | $7700.00 | Window Closed / Lapsed |