US3894424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
On line pressure testing system
Assignee: Coca-Cola Co
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Filing: 1974-04-16
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Granted: 1975-07-15
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Expires: 1994-04-16
Abstract
Abstract A device for testing frangible containers such as glass bottles by internal hydrostatic pressure as they move along a conveyor. The device includes means for filling the containers with an incompressible liquid such as water, and means for subjecting the liquid in the containers to the hydrostatic pressure.
Inventors
- 👤 Harvey Carter Taylor
- 👤 Jr Whitney S Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/10; G01N3/12; G01N33/00; G01N33/38; G01N33/386
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
143 words
A device for testing the strength of containers as they move along a conveying path comprising means for filling the containers to their top capacity with a substantially incompressible liquid, means for subjecting said incompressible liquid in the container to a predetermined hydrostatic pressure, said subjecting means being disposed downstream of said filling means, a conveyor, said conveyor being disposed below said filling means and said subjecting means for supporting and conveying containers thereon past said filling means and said subjecting means, wherein said filling means includes an elongated member that extends along the conveying path, said elongated member having an elongated opening extending along said conveying path through which a downwardly directed sheet of liquid can be simultaneously dischargeD into a plurality of containers as they are moved by said conveyor past said member so that the containers are substantially filled thereby.
Claim 2
Independent Claim
143 words
A device for testing the strength of containers as they move along a conveying path comprising means for filling the containers to their top capacity with a substantially incompressible liquid, means for subjecting said incompressible liquid in the container to a predetermined hydrostatic pressure, said subjecting means being disposed downstream of said filling means, a conveyor, said conveyor being disposed below said filling means and said subjecting means for supporting and conveying containers thereon past said filling means and said subjecting means, wherein said filling means includes an elongated member that extends along the conveying path, said elongated member having an elongated opening extending along said conveying path through which a downwardly directed sheet of liquid can be simultaneously dischargeD into a plurality of containers as they are moved by said conveyor past said member so that the containers are substantially filled thereby.
Claim 3
Dependent Claim
80 words
A device as defined in claim 1 wherein said member is a tank defined by a plurality of walls, said elongated opening being disposed in one of said walls, and means for directing the liquid flowing from said tank through said discharge opening into a portion of the mouths of each container so that trapped air can escape from the container through the other portion of the mouth to enable the container to be rapidly filled to its top capacity.
Claim 4
Dependent Claim
25 words
A device as defined in claim 2 wherein said flow directing means is a downwardly and angularly directed elongated plate extending along said flow path.
Claim 5
Dependent Claim
50 words
A device as defined in claim 1 including a means for collecting the liquid discharged from said member and not entering said containers, said member being disposed over said conveyor, said collecting means being disposed below said conveyor, and means for returning liquid from said collecting means to said member.
Claim 6
Dependent Claim
31 words
A device as defined in claim 4 wherein said returning means includes at least one conduit, and means for conveying liquid through said conduit from said collecting means to said member.
Claim 7
Dependent Claim
132 words
A device as defined in claim 1 wherein said conveyor includes a portion which is operative to move the containers past said subjecting means at a predetermined speed, said subjecting means including a test head for engaging the mouths of the containers, and means for reciprocating said test head toward and away from the containers and for reciprocating said test head longitudinally along said conveying path, means for interconnecting said portion of said conveyor to said means for reciprocating said test head so that as the containers move past said test head, said test head is moved along said conveyor at the same speed as said containers, and said test head is lowered to engage the mouth of each container and to apply the predetermined pressure to the liquid in said container.
Claim 8
Dependent Claim
85 words
A device as defined in claim 6 wherein said means for filling said containers comprises a tank, said tank having an elongated discharge outlet that extends along the conveying path for substantially filling the containers to be tested, said filling means further comprising another filling member, said other filling member being coupled to said subjecting means for longitudinal reciprocation therewith for further filling the containers, and said other filling member is a substantially flexible conduit that has one end connected to a supply of liquid.
Claim 9
Dependent Claim
106 words
A device as defined in claim 7 wherein said means for filling containers comprises a second filling member, said second filling member being coupled to said subjecting means between said test member and said other filling member for longitudinal reciprocation therewith for completely filling the containers, said second filling member being a substantially flexible conduit that has one end connected to a supply of liquid, and the rate at which liquid is discharged by said second filling member is less than the rate at which liquid is discharged by said first filling member so that liquid is not splashed out of the top of said containers.
Claim 10
Dependent Claim
18 words
A device as defined in claim 8 wherein each of said flexible conduits are connected to said tank.
Claim 11
Dependent Claim
68 words
A device as defined in claim 1 including a source of high pressure liquid, a conduit connecting said high pressure source to said subjecting means, a valve in said subjecting means, means for biasing said valve to a normally closed position, said valve being opened in response to engagement of the mouths of the containers by said subjecting means so that the container receives said high pressure liquid.
Claim 12
Dependent Claim
42 words
A device as defined in claim 10 wherein said source of high pressure liquid is a pump, the inlet of said pump being coupled to said means for filling the containers, and the outlets of said pump is connected to said conduit.
Claim 13
Dependent Claim
22 words
A device as defined in claim 11 wherein said pump has a capacity of at least about 200 pounds per square inch.
Claim 14
Dependent Claim
88 words
A device as defined in claim 1 wherein said subjecting means comprises an elongated conduit, a valve body, said body having an end wall with an aperture therethrough and a downwardly extending peripheral wall, a valve seat adjacent said peripheral wall and having an aperture therethrough, a valve means for urging said valve against said valve seat to its normally closed position, and means for moving said valve to its open position so that liquid in said conduit is connected to liquid in the containers to be tested.
Claim 15
Dependent Claim
92 words
A device as defined in claim 13 wherein said valve includes an elongated portion disposed in said aperture, an enlarged portion coupled to said elongated portion and normally resting on said valve seat, and said valve has at least one longitudinally directed conduit which is coupled to at least one radially directed conduit, and said radially directed conduit and said longitudinally directed conduit are in said elongated portion so that when said valve is in its normal position, said conduits are sealed by the wall defining said aperture in said valve seat.
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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) | 1978-07-14 | 1979-01-13 | 1979-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-14 | 1983-01-13 | 1983-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-14 | 1987-01-13 | 1987-07-15 | $7700.00 | Window Closed / Lapsed |