US4465183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-part liquid container with breakable partition
Assignee: Kao Corp
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Filing: 1983-07-18
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Granted: 1984-08-14
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Expires: 2003-07-18
Abstract
Abstract A two-part liquid container with a breakable partition which has a first half container sealing a sheet at a neck portion thereof for containing a first liquid; an intermediate cylindrical member for connecting a cylindrical sealing piece through a collapsible piece at a lower end thereof spirally engaging the lower half end thereof with the outer periphery of the neck portion of the first half container; a second half container sealing a sheet at the bottom opening thereof and having a cutting blade depending toward the vicinity of the bottom therein for engaging the lower part thereof impossible to turn with the upper half part of the intermediate member; and a sealing member for sealing the upper opening of the second half container. Thus two liquid can be readily mixed without necessity for a particular mixing container to prevent overflowing the liquid.
Inventors
- 👤 Tadao Saito
- 👤 Shigeo Iizuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:17
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3205; B65D81/3211; Y; Y10; Y10S; Y10S215/00; Y10S215/08
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
182 words
A liquid container: a first container comprising a substantially enclosed body, a first neck portion with an opening, threads formed on said first neck portion, and a first collapsible or breakable sheet fluidly sealing the opening of said first neck portion to retain liquid within said first container; a second container comprising a substantially enclosed body, a second neck portion with a first opening, threads formed on said second neck portion, and a second collapsible or breakable sheet fluidly sealing the opening of said second neck portion to retain liquid within said second container; an intermediate member comprising means for threadably engaging said threaded first neck portion of said first container at one end thereof and threadably engaging said threaded second neck portion of said second container at the other end thereof; first means for collapsing or breaking said second collapsible or breakable sheet of said second container as said first container threadably engages said intermediate member; second means for collapsing or breaking said first collapsible or breakable sheet of said first container as said second container threadably engages said intermediate member.
Claim 2
Dependent Claim
182 words
A liquid container: a first container comprising a substantially enclosed body, a first neck portion with an opening, threads formed on said first neck portion, and a first collapsible or breakable sheet fluidly sealing the opening of said first neck portion to retain liquid within said first container; a second container comprising a substantially enclosed body, a second neck portion with a first opening, threads formed on said second neck portion, and a second collapsible or breakable sheet fluidly sealing the opening of said second neck portion to retain liquid within said second container; an intermediate member comprising means for threadably engaging said threaded first neck portion of said first container at one end thereof and threadably engaging said threaded second neck portion of said second container at the other end thereof; first means for collapsing or breaking said second collapsible or breakable sheet of said second container as said first container threadably engages said intermediate member; second means for collapsing or breaking said first collapsible or breakable sheet of said first container as said second container threadably engages said intermediate member.
Claim 3
Dependent Claim
23 words
A liquid container as claimed in claim 1 wherein said first and second collapsible or breakable sheets each are made of aluminum foil.
Claim 4
Dependent Claim
30 words
A liquid container as claimed in claim 1 wherein said second container further comprises a second opening for removing or inserting a substance into or out of said second container.
Claim 5
Dependent Claim
26 words
A liquid container as claimed in claim 3 wherein said second container further comprises a cap for fluidly sealing said second opening of said second container.
Claim 6
Dependent Claim
56 words
A liquid container as claimed in claim 1 wherein said first means for collapsing or breaking said second collapsible or breakable sheet further comprises a first member for collapsing or breaking said second collapsible or breakable sheet of said second container wherein said first member is disposed at said first neck portion of said first container.
Claim 7
Dependent Claim
36 words
A liquid container as claimed in claim 1 wherein said second neck portion of said second container further comprises an inner diameter larger than an outer diameter of said first neck portion of said first container.
Claim 8
Dependent Claim
21 words
A liquid container as claimed in claim 3 wherein said first opening of said second container is of a nozzle shape.
Claim 9
Dependent Claim
51 words
A liquid container as claimed in claim 1 wherein said second means for collapsing or breaking said first collapsible or breakable sheet further comprises a second member for collapsing or breaking said first collapsible or breakable sheet of said first container wherein said second member is disposed within said second container.
Claim 10
Dependent Claim
32 words
A liquid container as claimed in claim 1 with said first and second means for collapsing or breaking said first and second collapsible or breakable sheets comprising a plurality of cutting blades.
Claim 11
Dependent Claim
48 words
A liquid container as claimed in claim 8 with said second means for collapsing or breaking said first collapsible or breakable sheet comprising a second member for collapsing or breaking said first collapsible or breakable sheet comprising a width substantially 1/3 of the diameter of said first container.
Claim 12
Dependent Claim
26 words
A liquid container as claimed in claim 8 wherein said second member comprises a sharp edge which collapses or breaks said first collapsible or breakable sheet.
Claim 13
Dependent Claim
36 words
A liquid container according to claim 1 wherein said first container is formed with a telescopic bellows portion capable of elongating or shrinking axially at one end of the first container opposite said first neck portion.
References Cited (Backward Citations)
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Cited
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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) | 1987-08-14 | 1988-02-13 | 1988-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-14 | 1992-02-13 | 1992-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-14 | 1996-02-13 | 1996-08-14 | $7700.00 | Window Closed / Lapsed |