Source: http://www.google.com/patents/US5522518?dq=ascentive
Timestamp: 2017-06-26 20:01:18
Document Index: 107618710

Matched Legal Cases: ['art 80', 'arts 81', 'arts 81', 'arts 94', 'arts 94', 'arts 94', 'arts 94']

Patent US5522518 - Closure device for a cylindrical housing - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA closure for a tube is a two piece stopper. The inner piece extends into the tube and the outer piece engages the exterior of the tube's sidewall. The outer piece has an inwardly extending shoulder which supports a projection of the inner piece. The two pieces are held together by a C-shaped washer...http://www.google.com/patents/US5522518?utm_source=gb-gplus-sharePatent US5522518 - Closure device for a cylindrical housingAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS5522518 APublication typeGrantApplication numberUS 08/131,470Publication dateJun 4, 1996Filing dateOct 4, 1993Priority dateApr 15, 1988Fee statusPaidAlso published asUS5275299, US5495958Publication number08131470, 131470, US 5522518 A, US 5522518A, US-A-5522518, US5522518 A, US5522518AInventorsFranz Konrad, Gunther Pakanecz, Manfred LedererOriginal AssigneeC.A. Greiner & Sohne Gesellschaft M.B.HExport CitationBiBTeX, EndNote, RefManPatent Citations (20), Referenced by (53), Classifications (8), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetClosure device for a cylindrical housing
In another further design, provision is made for three webs to be provided on the inner side of the cap, which three webs run roughly spirally and whose start and end are offset in the peripheral direction by about 120° in the two transverse planes distanced from one another, and for three guide extensions allocated to the grooves between the individual webs to be arranged on the outer side of the cylindrical housing in such a way as to be distanced from one another in the peripheral direction by about 120°. By the use of spiral webs running parallel to one another, a three-point mounting of the cap on the cylindrical housing is achieved, so that a virtually central opening and closing operation of the cap can be ensured.
FIG. 2 shows that the guide lugs 22,23 are arranged so as to be distributed over the periphery of the cylindrical housing 3 approximately by an angle 29 of about 180°. The spiral webs 25 and 26 extend over an opening angle 30 which is less than 180°. Before the cylindrical housing 3 is closed with the closure device 1, the sealing device 6 is inserted into the cap 5. To this end, the sealing cap 17 is pushed onto the extension 9 so that the latter penetrates into the groove 14. When being pushed onto the extension 9, the sealing cap 17 is deformed when pushed over the locking extensions 16 designed as ribs 31. As apparent, these ribs 31, on their end facing the end wall 10, are provided with front faces 32 running approximately perpendicularly to the longitudinal axis 7. Consequently, the sealing cap 17, which can be formed, for example, of rubber, in particular bromobutyl rubber, silicone rubber or the like, slips over the sharp-edged end faces 32 when being pushed in, and in the process the radial locking extensions 16 fasten like barbs in the sealing cap 17. This ensures that, under high tensile forces exerted via the cap 5, the sealing cap 17, even if it is held by high adhesion forces between the sealing surface 18 and the bearing surface 21 in the cylindrical housing 3, can be pulled out of the latter without being released from the cap 5. Furthermore, as can be better seen from FIG. 2, the sealing cap 17 is deformed like a toothed wheel by the ribs 31 arranged so as to be distributed over the periphery of the inner surface 15. Consequently, relatively high torsional forces can also be transmitted to the sealing cap 17 with the cap 5, without the sealing cap 17 rotating relative to the cap 5. Even if the sealing cap 17 adheres firmly to the bearing surface 21 during insertion owing to residues of medicines or body fluids, this design enables the sealing cap 17 to be released from the cylindrical housing 3 by a combined rotational and longitudinal movement in the direction of the longitudinal axis 19.
FIG. 3 shows an embodiment in which the cylindrical housing 3 is sealed by the sealing device 6 arranged in the cap 5. The sealing device 6 is designed roughly like a bowl and has as coupling part 80 a flange-shaped locking extension 16 having a diameter 82 which is larger, roughly by twice the wall thickness 51 of the cylindrical housing 3, than a diameter 83 of a cylindrical sealing surface 18 adjoining the locking extension. The tubular cap 5 accommodating the sealing device 6 has an inside diameter which essentially corresponds to the diameter 82 of the flange-shaped locking extension 16 and thus roughly corresponds to a diameter 84 of the housing 3. In an end area of the tubular cap 5, coupling parts 81, e.g. annular extensions 86,87, are arranged so as to be spaced apart in he direction of the longitudinal axis 19 by the width 85 of the flange-shaped locking extension 16 of the sealing device, which coupling parts 81 project beyond the cylindrical inner surface of the cap 5 in the direction of the longitudinal axis 19 and define a groove-shaped locating area for the locking extension 16. An inside diameter of extensions 86,87 roughly corresponds to the diameter 83 of the tubular housing 3. In a vertical plane relative to the longitudinal axis 19, guide lugs 22 arranged uniformly on the periphery, e.g. at an angular distance of 120°, project beyond the diameter 84 of the housing 3. As already described with reference to FIG. 1, spiral guideways 90 on the cylindrical inner surface of the cap 5 are allocated to these guide lugs 22, which guideways 90 together form the coupling device 28 for the closure device 1 with the housing 3. To remove a medicine or a body fluid from the housing 3, the closure device 1 can be released from the housing 3 without an abrupt movement by turning the cap 5 and sealing device 6 by the same amount in opposite directions according to arrows 91,92. However, the contents of the housing 3, after the sealing device 6 has been pierced through, can also be drawn off by means of a hollow needle 93 shown by broken lines. The axial forces occurring when the hollow needle 93 presses through and in pulled out of the sealing device 6 can be absorbed by the flange-like locking extension 16 of the sealing device 6 and the extensions 86,87 of the cap 5. The closure device 1 is thus especially suitable for automatic blood-analysis apparatuses as frequently used in laboratories and hospitals or clinics.
FIGS. 4 and 5 show another embodiment variant of the closure device 1 for a cylindrical housing 3. Here, coupling parts 94, formed by extensions 95,96 of the cap 5, are allocated to the flange-shaped locking extension 16 of the sealing device 6, which coupling parts 94 form the locating area 88 for the flange-like locking extension 16 of the sealing device 6. The extension 95,96 are arranged so as to be distributed uniformly in an annular-segment shape on the inner periphery of the cap 5 and project in the direction of the longitudinal axis 19 and form a circular bore 89 having a diameter which roughly corresponds to the inside diameter 83 of the housing 3. The coupling parts preferably consist of four extensions 95 which are arranged at an angular distance of 90° and whose entire inner peripheral length is less than one eighth of the periphery of the circle which is circumscribed by the extension 95 and corresponds to the inside diameter 83 of the housing 3. The radial axes 97,98 of the symmetry of the coupling parts 94 are arranged at an angular distance 99 corresponding to about 45°. The intermediate space formed by the described arrangement of the coupling parts 94 facilitates the fitting of the sealing device 6, but with the mounting of the flange-like locking extension 16 of the sealing device 6 against axial displacement as a result of an axial force acting through the adhesion force between a hollow needle 93 and the sealing device 6 being achieved.
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Pty Ltd.Pressure resistant container closureWO2015154115A2Apr 8, 2015Oct 15, 2015Greiner Bio-One GmbhReceiver container and receiver unit for receiving body fluid* Cited by examinerClassifications U.S. Classification215/247, 215/274, 215/364, 215/DIG.3International ClassificationB65D51/00Cooperative ClassificationY10S215/03, B65D51/002European ClassificationB65D51/00BLegal EventsDateCodeEventDescriptionNov 23, 1999FPAYFee paymentYear of fee payment: 4Dec 1, 2003FPAYFee paymentYear of fee payment: 8Nov 20, 2007FPAYFee paymentYear of fee payment: 12RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services