US4625875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper-evident closure
Assignee: Clayton Corp
•
Filing: 1985-02-04
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Granted: 1986-12-02
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Expires: 2005-02-04
Abstract
Abstract There is disclosed a tamper-evident closure including a depending tamper-evident skirt member capable of being positioned by longitudinal force (i.e. pushed on) onto a neck of a container including a skirt collar wherein the closure is formed with an internal thread and the neck of the container is formed with an external thread and wherein the tamper-evident depends by angularly-formed arm members from the closure, and wherein the threads are of multiple courses and wherein a groove of the skirt member of the closure engages the skirt collar of the container in an assembled relationship of the closure to the container.
Inventors
- 👤 Joseph J. Carr
- 👤 Thomas J. Angelini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:31
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3442; B65D41/3447; B65D41/3452
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
315 words
A tamper-evident closure for use in connection with a container including a threaded neck portion and an annular collar portion below said threaded neck portion which comprises: a one-piece closure body including an upper closure portion comprised of an end wall and a cylindrical side wall, said cylindrical side wall including an internally threaded upper portion, a depending lower skirt portion, and flexible arm members formed between said closure body and said lower skirt portion defining an opening therebetween, said internally threaded upper portion of said closure being formed of a triple thread type and cooperating with said threaded neck portion of said container, said threaded neck portion of said container being of a cooperating triple thread configuration to thereby permit axial positional alignment of said closure on said threaded neck portion of said container prior to positioning of said closure on said threaded neck portion of said container by a downward force on said closure, said upper closure portion being formed with intermediate wall portions depending downwardly into said opening in said spaced-apart relationship to said depending lower skirt portion, said depending lower skirt portion including an inwardly projecting bead adapted to engage said annular collar portion of said container when said closure is positioned in fluid tight relationship to said container, said intermediate wall portions contacting said depending lower skirt portion during downward movement and thus positioning said closure onto said threaded neck portion of said container to thereby cause said inwardly projecting bead of said depending lower skirt portion to engage said annular collar portion of said container, said flexible members permitting relative longitudinal contacting movement between said upper closure portion and said depending lower skirt portion during positioning of said closure on said container and being fracturable to thereby leave said depending lower skirt portion on said container after said upper closure portion of said closure is unthreaded from said container.
Claim 2
Dependent Claim
315 words
A tamper-evident closure for use in connection with a container including a threaded neck portion and an annular collar portion below said threaded neck portion which comprises: a one-piece closure body including an upper closure portion comprised of an end wall and a cylindrical side wall, said cylindrical side wall including an internally threaded upper portion, a depending lower skirt portion, and flexible arm members formed between said closure body and said lower skirt portion defining an opening therebetween, said internally threaded upper portion of said closure being formed of a triple thread type and cooperating with said threaded neck portion of said container, said threaded neck portion of said container being of a cooperating triple thread configuration to thereby permit axial positional alignment of said closure on said threaded neck portion of said container prior to positioning of said closure on said threaded neck portion of said container by a downward force on said closure, said upper closure portion being formed with intermediate wall portions depending downwardly into said opening in said spaced-apart relationship to said depending lower skirt portion, said depending lower skirt portion including an inwardly projecting bead adapted to engage said annular collar portion of said container when said closure is positioned in fluid tight relationship to said container, said intermediate wall portions contacting said depending lower skirt portion during downward movement and thus positioning said closure onto said threaded neck portion of said container to thereby cause said inwardly projecting bead of said depending lower skirt portion to engage said annular collar portion of said container, said flexible members permitting relative longitudinal contacting movement between said upper closure portion and said depending lower skirt portion during positioning of said closure on said container and being fracturable to thereby leave said depending lower skirt portion on said container after said upper closure portion of said closure is unthreaded from said container.
Claim 3
Dependent Claim
41 words
The tamper-evident closure as defined in claim 1 including a sealing disc having an adhesive coating disposed in said upper closure portion for forming a seal on said container when said closure is positioned in fluid tight relation on said container.
Claim 4
Dependent Claim
17 words
The tamper-evident closure as defined in claim 2 wherein said sealing disc is formed with a tab.
Claim 5
Dependent Claim
20 words
The tamper-evident closure as defined in claim 2 or 3 wherein said sealing disc is comprised of a yieldable material.
Claim 6
Dependent Claim
15 words
The tamper-evident closure as defined in claim 4 wherein said yieldable material is metal foil.
Claim 7
Dependent Claim
27 words
The tamper-evident closure as defined in claim 2 and further including a second sealing disc disposed between said end wall of said closure and said sealing disc.
Claim 8
Dependent Claim
20 words
The tamper-evident closure as defined in claim 1 wherein an outer surface portion of said upper closure portion is serrated.
Claim 9
Dependent Claim
20 words
The tamper-evident closure as defined in claim 1 wherein said arm members are angularly-disposed with respect to said upper closure.
Claim 10
Dependent Claim
32 words
The tamper-evident closure as defined in claim 1 wherein an external diameter of said lower skirt portion is substantially equal to an external diameter of said upper body portion of said closure.
Claim 11
Dependent Claim
42 words
The novel closure-container assembly as defined in claim 9 including a sealing disc having an adhesive coating disposed in said upper closure portion for forming a seal on said container when said closure is positioned in fluid tight relation on said container.
Claim 12
Dependent Claim
18 words
The novel closure-container assembly as defined in claim 10 wherein said sealing disc is formed with a tab.
Claim 13
Dependent Claim
21 words
The novel closure-container assembly as defined in claim 10 or 11 wherein said sealing disc is comprised of a yieldable material.
Claim 14
Dependent Claim
16 words
The novel closure-container assembly as defined in claim 12 wherein said yieldable material is metal foil.
Claim 15
Dependent Claim
28 words
The novel closure-container assembly as defined in claim 10 and further including a second sealing disc disposed between said end wall of said closure and said sealing disc.
Claim 16
Dependent Claim
21 words
The novel closure-container assembly as defined in claim 9 wherein an outer surface portion of said upper closure portion is serrated.
Claim 17
Dependent Claim
21 words
The novel closure-container assembly as defined in claim 9 wherein said arm members are angularly-disposed with respect to said upper closure.
Claim 18
Dependent Claim
308 words
A novel closure-container assembly comprised of: a container including a threaded neck portion having a triple thread configuration and an annular collar portion below said threaded neck portion; and a one-piece closure body including an upper closure portion comprised of an end wall and a cylindrical side wall, said cylindrical side wall including an internally threaded upper portion, a depending lower skirt portion, and flexible arm members formed between said closure body and said lower skirt portion defining an opening therebetween, said internally threaded upper portion of said closure being formed of a triple thread type and cooperating with said triple thread configuration of said threaded neck portion of said container to thereby permit axial positional alignment of said closure on said threaded neck portion of said container prior to positioning of said closure on said threaded neck portion of said container by a downward force on said closure, said upper closure portion being formed with intermediate wall portions depending downwardly into said opening in spaced-apart relationship to said depending lower skirt portion, said depending lower skirt portion including an inwardly projecting bead adapted to engage said annular collar portion of said container when said closure is positioned in fluid tight relationship to said container, said intermediate wall portions contacting said depending lower skirt portion during downward movement and thus positioning said closure on said threaded neck portion of said container to thereby cause said inwardly projecting bead of said depending lower skirt portion to engage said annular collar portion of said container, said flexible arm members permitting closing relative longitudinal movement between said upper closure portion and said depending lower skirt portion during positioning of said closure in said container and being fracturable thereby to leave said depending lower skirt portion on said container after said upper closure portion of said closure is unthreaded from said container.
Claim 19
Dependent Claim
308 words
A novel closure-container assembly comprised of: a container including a threaded neck portion having a triple thread configuration and an annular collar portion below said threaded neck portion; and a one-piece closure body including an upper closure portion comprised of an end wall and a cylindrical side wall, said cylindrical side wall including an internally threaded upper portion, a depending lower skirt portion, and flexible arm members formed between said closure body and said lower skirt portion defining an opening therebetween, said internally threaded upper portion of said closure being formed of a triple thread type and cooperating with said triple thread configuration of said threaded neck portion of said container to thereby permit axial positional alignment of said closure on said threaded neck portion of said container prior to positioning of said closure on said threaded neck portion of said container by a downward force on said closure, said upper closure portion being formed with intermediate wall portions depending downwardly into said opening in spaced-apart relationship to said depending lower skirt portion, said depending lower skirt portion including an inwardly projecting bead adapted to engage said annular collar portion of said container when said closure is positioned in fluid tight relationship to said container, said intermediate wall portions contacting said depending lower skirt portion during downward movement and thus positioning said closure on said threaded neck portion of said container to thereby cause said inwardly projecting bead of said depending lower skirt portion to engage said annular collar portion of said container, said flexible arm members permitting closing relative longitudinal movement between said upper closure portion and said depending lower skirt portion during positioning of said closure in said container and being fracturable thereby to leave said depending lower skirt portion on said container after said upper closure portion of said closure is unthreaded from said container.
Claim 20
Dependent Claim
33 words
The novel closure-container assembly as defined in claim 17 wherein an external diameter of said lower skirt portion is substantially equal to an external diameter of said upper body portion of said closure.
References Cited (Backward Citations)
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US3632004A
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US4461391A
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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) | 1989-12-01 | 1990-06-02 | 1990-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-01 | 1994-06-02 | 1994-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-01 | 1998-06-02 | 1998-12-02 | $7700.00 | Window Closed / Lapsed |