US3720342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety closure
Assignee: Continental Can Co Inc
•
Filing: 1971-02-08
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Granted: 1973-03-13
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Expires: 1991-02-08
Abstract
Abstract This disclosure relates to a safety closure associated with a container having a normally open upper end portion, the closure having a peripheral skirt in telescopic relationship to the container end portion with cooperative means therebetween for normally interlockingly securing the container and safety closure to each other, the periphery skirt being constructed from material having a slow rate of resilient return, and means for temporarily radially outwardly deflecting the peripheral skirt to disengage the interlocking means whereby removal of the safety closure from the container may take place during such time as is required for the peripheral skirt to return to its normal nondeflected interlocked condition.
Inventors
- 👤 P Vercillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:28
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/045; Y; Y10; Y10S; Y10S215/00; Y10S215/01
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
159 words
A combined container and closure combination comprising a container body having a normally open end portion, a closure body closing said normally open end portion, said closure body having a peripheral skirt in telescopic relationship to said body end portion, cooperative means between said body end portion and said peripheral skirt for normally interlockingly securing said container and closure to each other, means for temporarily radially relatively deflecting said body end portion and said peripheral skirt to disengage said cooperative interlocking means whereby said closure can be removed from said body end portion, and said deflecting means is in part defined by constructing at least one of said peripheral skirt and said body end portion from material having a slow resilient return rate whereby removal of said closure from said body end portion may take place during such time as is required for said peripheral skirt and body end portion to return to the normal nondeflected interlocked condition thereof.
Claim 2
Dependent Claim
159 words
A combined container and closure combination comprising a container body having a normally open end portion, a closure body closing said normally open end portion, said closure body having a peripheral skirt in telescopic relationship to said body end portion, cooperative means between said body end portion and said peripheral skirt for normally interlockingly securing said container and closure to each other, means for temporarily radially relatively deflecting said body end portion and said peripheral skirt to disengage said cooperative interlocking means whereby said closure can be removed from said body end portion, and said deflecting means is in part defined by constructing at least one of said peripheral skirt and said body end portion from material having a slow resilient return rate whereby removal of said closure from said body end portion may take place during such time as is required for said peripheral skirt and body end portion to return to the normal nondeflected interlocked condition thereof.
Claim 3
Dependent Claim
159 words
A combined container and closure combination comprising a container body having a normally open end portion, a closure body closing said normally open end portion, said closure body having a peripheral skirt in telescopic relationship to said body end portion, cooperative means between said body end portion and said peripheral skirt for normally interlockingly securing said container and closure to each other, means for temporarily radially relatively deflecting said body end portion and said peripheral skirt to disengage said cooperative interlocking means whereby said closure can be removed from said body end portion, and said deflecting means is in part defined by constructing at least one of said peripheral skirt and said body end portion from material having a slow resilient return rate whereby removal of said closure from said body end portion may take place during such time as is required for said peripheral skirt and body end portion to return to the normal nondeflected interlocked condition thereof.
Claim 4
Dependent Claim
159 words
A combined container and closure combination comprising a container body having a normally open end portion, a closure body closing said normally open end portion, said closure body having a peripheral skirt in telescopic relationship to said body end portion, cooperative means between said body end portion and said peripheral skirt for normally interlockingly securing said container and closure to each other, means for temporarily radially relatively deflecting said body end portion and said peripheral skirt to disengage said cooperative interlocking means whereby said closure can be removed from said body end portion, and said deflecting means is in part defined by constructing at least one of said peripheral skirt and said body end portion from material having a slow resilient return rate whereby removal of said closure from said body end portion may take place during such time as is required for said peripheral skirt and body end portion to return to the normal nondeflected interlocked condition thereof.
Claim 5
Dependent Claim
27 words
The combination as defined in claim 1 wherein said deflecting means includes cooperative cam and cam follower means of said body end portion and said peripheral skirt.
Claim 6
Dependent Claim
26 words
The combination as defined in claim 1 wherein said deflecting means is operative upon relative axial movement between said peripheral skirt and said body end portion.
Claim 7
Dependent Claim
38 words
The combination as defined in claim 1 wherein said deFlecting means is in part defined by constructing said peripheral skirt from material having a slow resilient return rate whereby removal of said closure from said body end portion
Claim 8
Dependent Claim
26 words
The combination as defined in claim 4 wherein said deflecting means is operative upon relative axial movement between said peripheral skirt and said body end portion.
Claim 9
Dependent Claim
27 words
The combination as defined in claim 4 wherein said deflecting means includes cooperative cam and cam follower means of said body end portion and said peripheral skirt.
Claim 10
Dependent Claim
46 words
The combination as defined in claim 4 wherein said deflecting means is operative upon relative axial movement between said peripheral skirt and said body end portion, and said deflecting means includes cooperative cam and cam follower means of said body end portion and said peripheral skirt.
Claim 11
Dependent Claim
154 words
A combined container and closure combination comprising a container body having a normally open end portion, a closure body closing said normally open end portion, said closure body having a peripheral skirt in telescopic relationship to said body end portion, said peripheral skirt being constructed from material having a slow rate of resilient return, means between said body end portion and said peripheral skirt for normally interlockingly securing said container and closure to each other, said interlocking means being shoulder means of said body end portion and said peripheral skirt in axially overlapped relationship in the interlocked condition of said container and closure, and means for temporarily radially outwardly deflecting said peripheral skirt to bring said shoulder means out of axial alignment whereby removal of said closure from said body end portion may take place during such time as is required for said peripheral skirt to return to the normal nondeflected interlocked condition thereof.
Claim 12
Dependent Claim
154 words
A combined container and closure combination comprising a container body having a normally open end portion, a closure body closing said normally open end portion, said closure body having a peripheral skirt in telescopic relationship to said body end portion, said peripheral skirt being constructed from material having a slow rate of resilient return, means between said body end portion and said peripheral skirt for normally interlockingly securing said container and closure to each other, said interlocking means being shoulder means of said body end portion and said peripheral skirt in axially overlapped relationship in the interlocked condition of said container and closure, and means for temporarily radially outwardly deflecting said peripheral skirt to bring said shoulder means out of axial alignment whereby removal of said closure from said body end portion may take place during such time as is required for said peripheral skirt to return to the normal nondeflected interlocked condition thereof.
Claim 13
Dependent Claim
67 words
The combination as defined in claim 1 wherein said deflecting means includes cam means carried by said body end portion and cam follower means carried by said peripheral skirt, and said cam means slope radially outwardly and downwardly whereby axial force exerted against said closure causes said peripheral skirt to deflect radially outwardly as the cam follower means thereof rides downwardly and outwardly along said cam means.
Claim 14
Dependent Claim
29 words
The combination as defined in claim 9 wherein said cam and cam follower means are positioned below said shoulder means in the interlocked condition of said closure and container.
References Cited (Backward Citations)
US3398848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |