US4533062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container closure for supplying air to or removing air from a container
Assignee: Jacob Berg KG
•
Filing: 1984-08-10
•
Granted: 1985-08-06
•
Expires: 2004-08-10
Abstract
Abstract A container closure made from plastics, for supplying air to or removing air from a container, comprising a closure lower portion which can be connected to the container and has a diaphragm portion which comprises one piece with said lower portion, closes the pouring opening and can be torn out, and a cap which can be detachably connected to the closure lower portion characterized in that the diaphragm portion has a resilient diaphragm with an opening which in the normal position of the diaphragm portion is sealed in an air-tight manner by a projection of the container closure abutting with the opening, wherein the diaphragm of the diaphragm portion is prestressed against the projection of the container closure, and a hollow space of the cap adjoining the opening is in open connection with the atmosphere.
Inventors
- 👤 Gunter Krautkramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:12
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1633; B65D51/1644; B65D47/00; B65D47/04; B65D47/06; B65D47/061; B65D47/063; B65D47/10; B65D47/103
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
135 words
A container closure made from plastics, for supplying air to or removing air from a container, comprising a closure lower portion which can be connected to the container and has a diaphragm portion which comprises one piece with said lower portion, closes the pouring opening and can be torn out, and a cap which can be detachably connected to the closure lower portion characterised in that the diaphragm portion has a resilient diaphragm with an opening which in the normal position of the diaphragm portion is sealed in an air-tight manner by a projection of the container closure abutting with the opening, wherein the diaphragm of the diaphragm portion is prestressed against the projection of the container closure, and a hollow space of the cap adjoining the opening is in open connection with the atmosphere.
Claim 2
Dependent Claim
135 words
A container closure made from plastics, for supplying air to or removing air from a container, comprising a closure lower portion which can be connected to the container and has a diaphragm portion which comprises one piece with said lower portion, closes the pouring opening and can be torn out, and a cap which can be detachably connected to the closure lower portion characterised in that the diaphragm portion has a resilient diaphragm with an opening which in the normal position of the diaphragm portion is sealed in an air-tight manner by a projection of the container closure abutting with the opening, wherein the diaphragm of the diaphragm portion is prestressed against the projection of the container closure, and a hollow space of the cap adjoining the opening is in open connection with the atmosphere.
Claim 3
Dependent Claim
28 words
The container closure according to claim 1, characterised in that the projection is a pin which is connected with the cap and abuts with the opening from above.
Claim 4
Dependent Claim
42 words
The container closure according to claim 1, characterised in that the projection is a pin attached to the diaphragm portion which can be torn out, by way of a substantially rigid connection member and abuts with the opening from above or below.
Claim 5
Dependent Claim
17 words
The container closure according to claim 1 characterised in that the diaphragm portion has a tearing ring.
Claim 6
Dependent Claim
17 words
The container closure according to claim 2 characterised in that the diaphragm portion has a tearing ring.
Claim 7
Dependent Claim
17 words
The container closure according to claim 3 characterised in that the diaphragm portion has a tearing ring.
Claim 8
Dependent Claim
30 words
The container closure according to claim 1 characterised in that the diaphragm portion comprises a substantially rigid, annularly extending web and a resilient diaphragm comprising one piece with said web.
Claim 9
Dependent Claim
30 words
The container closure according to claim 2 characterised in that the diaphragm portion comprises a substantially rigid, annularly extending web and a resilient diaphragm comprising one piece with said web.
Claim 10
Dependent Claim
30 words
The container closure according to claim 3 characterised in that the diaphragm portion comprises a substantially rigid, annularly extending web and a resilient diaphragm comprising one piece with said web.
Claim 11
Dependent Claim
30 words
The container closure according to claim 4 characterised in that the diaphragm portion comprises a substantially rigid, annularly extending web and a resilient diaphragm comprising one piece with said web.
Claim 12
Dependent Claim
30 words
The container closure according to claim 5 characterised in that the diaphragm portion comprises a substantially rigid, annularly extending web and a resilient diaphragm comprising one piece with said web.
Claim 13
Dependent Claim
30 words
The container closure according to claim 6 characterised in that the diaphragm portion comprises a substantially rigid, annularly extending web and a resilient diaphragm comprising one piece with said web.
Claim 14
Dependent Claim
41 words
The container closure according to claim 1 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 15
Dependent Claim
41 words
The container closure according to claim 2 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 16
Dependent Claim
41 words
The container closure according to claim 3 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 17
Dependent Claim
41 words
The container closure according to claim 4 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 18
Dependent Claim
41 words
The container closure according to claim 6 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 19
Dependent Claim
41 words
The container closure according to claim 7 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 20
Dependent Claim
41 words
The container closure according to claim 8 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
Claim 21
Dependent Claim
41 words
The container closure according to claim 9 characterised in that the hollow space of the cap adjoining the diaphragm portion is in open connection with the atmosphere by way of an air passage between the closure lower portion and the cap.
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) | 1988-08-05 | 1989-02-04 | 1989-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-05 | 1993-02-04 | 1993-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-05 | 1997-02-04 | 1997-08-06 | $7700.00 | Window Closed / Lapsed |