US3595446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-open container structure
Assignee: Individual
•
Filing: 1969-04-01
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Granted: 1971-07-27
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Expires: 1989-04-01
Abstract
Abstract I disclose a quick-opening container structure comprising a generally cup-shaped body section having an opening therein, frangible cover means substantially coextending with said opening and joined to said body section about the periphery of said opening, means for forming a frangible line of weakening at said cover means, and a stiffening ring joined to one of said cover means and said body section and disposed about said periphery whereby the application of deformational forces longitudinally of said line of weakening causes said ring to induce an opening at said weakening means.
Inventors
- 👤 Harold Richard Hellstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/2018; B65D47/2031
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
116 words
A quick-opening stiffening means and comprising a container body section having an opening therein, cover means substantially coextending with said opening and sealingly joined thereto to form a sealed junction between said container section and said cover means, said junction extending about the entire periphery of said opening, means for forming frangible opening means in said container structure adjacent at least a portion of said junction, and stiffening means joined to one of said cover means and said container section and disposed about said periphery so that application of deformational forces to said container structure generally longitudinally but remotely of said opening means causes said stiffening means to induce a dispensing opening at said opening means.
Claim 2
Dependent Claim
116 words
A quick-opening stiffening means and comprising a container body section having an opening therein, cover means substantially coextending with said opening and sealingly joined thereto to form a sealed junction between said container section and said cover means, said junction extending about the entire periphery of said opening, means for forming frangible opening means in said container structure adjacent at least a portion of said junction, and stiffening means joined to one of said cover means and said container section and disposed about said periphery so that application of deformational forces to said container structure generally longitudinally but remotely of said opening means causes said stiffening means to induce a dispensing opening at said opening means.
Claim 3
Dependent Claim
51 words
The combination according to claim 1 wherein said container section is formed from a pair of sheet members joined about their peripheral edges save at an area defining said opening, said cover means being formed by overlapping extensions of said sheet members, and said stIffening means are joined to said extensions.
Claim 4
Dependent Claim
51 words
The combination according to claim 1 wherein said opening means are divided and are disposed at two frangible junction portions spaced about the periphery of said container section opening so that distortion of said stiffening means forms said dispensing opening and an air inlet port at said frangible junction portions respectively.
Claim 5
Dependent Claim
64 words
The combination according to claim 1 wherein said container section is provided with said stiffening means about said container section opening, and said cover means are joined to said stiffening means by a crown seal, said crown seal being lightly crimped to form said opening means and being heavily crimped at other areas of the junction between said cover means and said body section.
Claim 6
Dependent Claim
88 words
The combination according to claim 1 wherein said stiffening means are a continuous rim secured about the opening edges of said container section, said cover means are uniformly but frangibly secured about the periphery of said rim to form said opening means, and the structural strength of said rim exceeds that of said frangible junction so that upon application of said deformational forces at least one section of said junction is separated to form said dispensing opening at an area removed from the application of said deformational forces.
Claim 7
Dependent Claim
28 words
The combination according to claim 5 wherein said cover means are formed from a metallic foil which is lightly and frangibly crimped about the periphery of said rim.
Claim 8
Dependent Claim
43 words
The combination according to claim 1 wherein opposing wall structures of said container body section are of intersecting arcuate configurations defining a crescentoid body section so that application of said deformational forces to the horns of said crescentoid section induce said dispensing opening.
Claim 9
Dependent Claim
48 words
The combination according to claim 1 wherein said container section is a generally cup-shaped member, said stiffening means are joined to the open edges of said cup-shaped member to form a rim therefor, and said cover means is a cap having reentrant peripheral edges snapped onto said rim.
Claim 10
Dependent Claim
53 words
The combination according to claim 8 wherein said cup-shaped member is of ovoid configuration and said cover means are of oval configuration to denote the proper application of said deformational forces at more arcuate portions of said ovoid, said opening means being disposed adjacent at least one less arcuate portion of said ovoid.
Claim 11
Dependent Claim
25 words
The combination according to claim 8 wherein said opening means are formed by weakening said peripheral edges at the intended location of said dispensing opening.
Claim 12
Dependent Claim
44 words
The combination according to claim 10 wherein said cover means are frictionally engaged with said cup-shaped member, and means are provided for weakening a transverse area of said cover means to facilitate bowing of said cover means in order to induce said dispensing opening.
Claim 13
Dependent Claim
22 words
The combination according to claim 1 wherein said cover means include a pouring lip adjacent said opening means and said stiffening means.
Claim 14
Dependent Claim
42 words
The combination according to claim 12 wherein said cover means are bowed outwardly of said container section opening, and said pouring lip is a ridge member located on said cover means at a position inwardly of the peripheral edges of said opening.
Claim 15
Dependent Claim
27 words
The combination according to claim 12 wherein said pouring lip is a ridge member juxtaposed to said stiffening means in order to abet the stiffening function thereof.
Claim 16
Dependent Claim
44 words
The combination according to claim 14 wherein said pouring lip ridge is hollow, and said cover means include an inwardly extending member disposed for contigent engagement with edges of said body section opening to prevent the entry of contained material into said hollow ridge.
Claim 17
Dependent Claim
63 words
The combination according to claim 1 wherein said opening means are disposed at said junction portion, and deformation of said stiffening means and the adjacent components of said container structure severs said junction portion to form said dispensing opening and shapes a portion of said body section adjacent said junction portion into a pouring spout for dispensing material contained in said container structure.
Claim 18
Dependent Claim
44 words
The combination according to claim 16 wherein said stiffening means include a rim secured about the open edges of said container section, and said cover means include a cap having a reentrant peripheral edge snapped onto at least a major portion of said rim.
Claim 19
Dependent Claim
47 words
The combination according to claim 16 wherein said cover means and said stiffening means include thermo-plastic materials, said junction portion includes a relatively light heat-sealed area between said plastic materials, and the remainder of said junction includes a relatively heavy heat sealed area between said plastic materials.
Claim 20
Dependent Claim
21 words
The combination according to claim 16 wherein said opening means are disposed in said cover means intermediate the peripheral edges thereof.
Claim 21
Dependent Claim
41 words
The combination according to claim 1 wherein said stiffening means are discontinuous adjacent an edge portion of said container section opening, and said opening means are formed by lightly stretching said cover means over said edge portion for sealing contact therewith.
Claim 22
Dependent Claim
31 words
The combination according to claim 20 wherein said edge portion is projected outwardly of said stiffening means to facilitate forming a compression seal between said cover means and said edge portion.
Claim 23
Dependent Claim
28 words
The combination according to claim 20 wherein a portion of said container section adjacent said edge portion is flattened to dispose said edge inwardly of said stiffening means.
Claim 24
Dependent Claim
51 words
The combination according to claim 20 wherein a portion of said container section adjacent said edge portion is cylindriform to dispose said edge portion inwardly of said stiffening member and is outwardly convex to aid in shaping said container section portion into a pouring spout upon deformation of said stiffening member.
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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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |