US4371089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container closure
Assignee: INTERNATIONALE VERPAKKING Mij
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Filing: 1981-09-04
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Granted: 1983-02-01
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Expires: 2001-09-04
Abstract
Abstract A container closure for sterilely packing fluids and provided with a neck and a cap lockable thereon, consisting of a cover portion and a skirt portion which are connectible through a single snap closure and in the non-connected condition are surrounded by a protective cap which prevents undesirable connection of cover and skirt portion and receiving sealingly relatively to the surroundings the cap attached on the container for ensuring the interior sterility of the container preceding the sterile filling of said container. The protective cap may be designed in such a way that it constitutes a cap sealing after the filling of the container.
Inventors
- 👤 Willem Barendregt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:47
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/62
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
103 words
A closure for a container for packing fluids, said closure being provided with a neck having exteriorly positioned closure means and with a cap consisting of a cover portion and skirt portion with interiorly disposed closure means adapted for coaction with the neck closure means, while the cover portion is connectible with a single snap closure to the skirt portion, characterized in that the cap, in case of not yet connected skirt and cover portion, is entirely surrounded by a protective cap which prevents undesirable connection of skirt portion to cover portion, as well as receives the cap sealingly relatively to the surroundings.
Claim 2
Dependent Claim
103 words
A closure for a container for packing fluids, said closure being provided with a neck having exteriorly positioned closure means and with a cap consisting of a cover portion and skirt portion with interiorly disposed closure means adapted for coaction with the neck closure means, while the cover portion is connectible with a single snap closure to the skirt portion, characterized in that the cap, in case of not yet connected skirt and cover portion, is entirely surrounded by a protective cap which prevents undesirable connection of skirt portion to cover portion, as well as receives the cap sealingly relatively to the surroundings.
Claim 3
Dependent Claim
32 words
A closure according to claim 1, characterized in that the cap coacts lockingly with a projecting flange edge of the neck and finds support on the top face of the skirt portion.
Claim 4
Dependent Claim
57 words
A closure according to claim 1 or 2, characterized in that the cap is locked by coaction of a first axial flange face with the bottom face of a projecting flange edge of the neck and of a second axial flange with the top face of a projecting flange edge of the skirt portion of the cap.
Claim 5
Dependent Claim
35 words
A closure according to claim 3, characterized in that the cap between the first and the second axial flange face is provided with a first annular region of at least locally a reduced wall thickness.
Claim 6
Dependent Claim
41 words
A closure according to claim 4, characterized in that the cap relatively to the first region of reduced wall thickness beyond the second axial flange face, is provided with a second annular region of at least locally a reduced wall thickness.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |