EP0286562B1 - Strassenschacht mit T-förmigem Scharnier - Google Patents
Strassenschacht mit T-förmigem Scharnier Download PDFInfo
- Publication number
- EP0286562B1 EP0286562B1 EP88470005A EP88470005A EP0286562B1 EP 0286562 B1 EP0286562 B1 EP 0286562B1 EP 88470005 A EP88470005 A EP 88470005A EP 88470005 A EP88470005 A EP 88470005A EP 0286562 B1 EP0286562 B1 EP 0286562B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- frame
- manhole assembly
- plug
- assembly according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1463—Hinged connection of cover to frame
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
Definitions
- the present invention relates to improvements made to manhole covers in particular of generally circular general shape, of the type comprising a frame and a shutter pad supported by said frame, the manhole being provided with a hinged device removably linking the pad to the frame at the periphery thereof and authorizing the lifting of the buffer relative to the frame by pivoting around the hinged device.
- Document FR-A-742 942 discloses a plug pavement manhole intended to be housed in a frame, said pad being provided with two pivots projecting laterally and freely penetrating into two housings made in the adjacent regions of the frame, allowing thus, by moving the pivots in their housings, tilting the buffer relative to the frame.
- the characteristics of this manhole known in combination are set out in the preamble of claim 1.
- the drawback of this type of manhole lies in the fact that the tampon is liable to lift and leave its housing under the effect of internal pressure.
- the subject of the present invention is a manhole cover, in particular of generally circular shape, comprising a frame and a shutter pad supported by said frame, the manhole being provided with a hinged device comprising at least one binder hinge, in a way removable, the pad to the frame at the periphery thereof and authorizing the lifting of the pad relative to the frame by pivoting around the hinged device, said hinge having substantially the general shape of a T comprising on the one hand a housing having substantially the general shape of a T, formed in a peripheral region of the frame, and on the other hand a pivot having substantially the general shape of a T having a transverse bar, carried by a peripheral region of the tampon and engaged in said housing , the radially innermost part of the housing, corresponding to the leg of the T, having a depth less than the rest of said housing, thus forming a neck between the internal part of the frame and this housing, the radially outermost part of the housing, corresponding to the crossbar of the T, having a depth
- the pad is retained on the frame and cannot be detached from it accidentally and inadvertently when it is in the closed position, for example under the action of a suction phenomenon due to the passage a vehicle; on the other hand the buffer can easily be tilted to open the manhole.
- the T-shaped housing provided in the frame and the protruding pivot T provided on the pad have fairly simple geometric shapes and the manufacture of the frame and the pad by molding (in particular cast iron) is not complicated.
- the protruding pivot and the housing are arranged respectively on the pad and in the frame so that, when the manhole is closed and the pad rests on the frame, the pivot has no point of contact with the housing.
- the pad rests on the frame by means of a sound-absorbing elastomer seal, there is no no contact between the metal parts of the frame and the buffer and the generation of noisy knocks of the buffer against the frame is avoided during the passage of vehicles over the manhole.
- the hinge is unique, the part of the latter forming the leg of the T extending substantially radially and the opposite side faces, at the ends of the transverse branch of the T, of the pivot and of the housing are separated from each other by a minimum clearance in order to prevent jamming of the pad during its movement relative to the frame.
- the T-shaped housing is made in the thickness of the frame.
- the frame does not have any projection, both interior and exterior, and the gaze according to the invention can, without difficulty, be substituted for an earlier gaze of the same dimensions.
- the respective dimensions of the housing and the pivot are such that the pad is retained, by double pressing of the pivot in the housing, in an open position forming an angle of approximately 105 to 110 ° relative to its closed position.
- the second portion located radially towards the outside of each lateral zone is overhung by a retaining lip situated opposite the aforementioned retaining lip overhanging the first portion located radially inwards and projecting inwards from the outer wall of the frame.
- the above-mentioned first portion located radially inwards has, in radial section, a polygonal shape extending over approximately 180 °.
- the aforementioned polygonal shape consists, starting from the bottom, of a first face inclined by approximately 111 ° relative to the bottom, of a second face forming an angle of approximately 135 ° relative to the first face, and a third face forming an angle of approximately 10 ° below the horizontal, this third face constituting the lower face of the retaining lip.
- the internal face of the frame located opposite the shutter pad is, in the region of the hinged device, provided with a chamfer at its upper edge.
- the chamfer is inclined by about 45 ° relative to the vertical.
- the frame 1 of the manhole according to the invention has any desirable shape (circular in the example shown), size and configuration (in particular for its upper face). It will be noted in particular that this frame, intended to be embedded in an appropriate soil (pavement for example), has, in a manner known per se, an inner annular projection 2 capped by a sound-absorbing seal 3 made of elastomer and intended to support a buffer 4 (partially shown in Fig. 4) when it is in the closed position.
- a single housing 5 in the general shape of T in top view, open upward in the upper face of the frame and also opening into the interior of the frame.
- the part 6 of the housing 5 located inwardly constitutes the leg of the aforementioned T and extends substantially radially by having a lesser depth than the rest of the housing; the inner part 6 of the housing 5 thus forms a neck between the inner zone of the frame and the part 7 of the housing located towards the outside.
- This part 7 of the housing located towards the outside is elongated substantially transversely to the part 6 and forms the transverse bar of the abovementioned T; its depth is on the whole significantly greater than that of part 6.
- the manhole buffer 4 has any desirable shape (discoid in the example shown), size and configuration (in particular for its upper face), in accordance with the shape, size and configuration of the frame to which he is associated.
- this pad has, in a manner known per se, a peripheral annular bearing surface 14 intended to rest on the annular projection 2 covered with the sound-absorbing seal 3 and that it also has an annular skirt 15, making projection below its underside, which bears against the annular seal 3 and prevents the pad from being moved radially relative to the frame 1 when the pad is in the closed position.
- a pivot 16 having the general configuration of a T dimensioned to cooperate with the housing 5 of the frame 1, protrudes radially on the periphery of the pad 4.
- the pivot 16 has a portion of link 17 extending radially and connected to the buffer, corresponding to the leg of the T, and a pivot shaft part 18 extending transversely to the end of the connection part 17, and corresponding to the crossbar of the T
- the pivoting shaft part 18 has an approximately cylindrical general shape with a diameter substantially smaller than the diameter of the first region 8 of semi-circular section of the housing 5 of the frame; however, this shaft has a flat 19 formed longitudinally and extending substantially parallel to the main faces of the pad, the transverse dimension of the pivot shaft part 18, perpendicular to the flat 19, being less than the upward opening of region 10 of housing 5 of the frame.
- the respective lengths of the pivot shaft part 18 and of the outer part 7 of the housing 5 are such that the opposite facing faces have a minimum clearance allowing the pivoting of the buffer relative to the frame, but preventing the jamming of the tampon when lifting it.
- Figs. 6 to 9 show the pivot 16 engaged in the housing 5 in different relative functional positions of the buffer 4 and of the frame 1.
- Fig. 6 shows the pad 4 in the closed position on the frame 1. Note that the pivot 16 is connected to the pad 4 so that, in this closed position, the pivot 16 is not in contact with the walls of the housing 5 , in order to avoid noisy bumps of the buffer against the frame during the passage of a vehicle. In this position, the pivoting shaft part 18 extends, at least in part, under the overhanging lips 9, which therefore oppose the exit of the pivot 16 from the housing 5.
- the pivot 16 When the pad 4 is lifted by being grasped in the middle, the pivot 16 lowers in the housing 5 until the shaft part 18 comes into contact with the bottom surface 12 of the housing 5. The pad pivots then around the shaft part 18 bearing on the surface 13 at the same time as the shaft part 18 is brought back by gravity towards the deepest zone (connection of the surfaces 12 and 13) of the housing due to the inclination of the surface 12 as shown in FIG. 9; in this figure, it is better to see that the part 18 of the pivot 16 is supported only by its ends on the bottom surface 13 of the housing.
- the pad 4 remains in the open position with an inclination of 15 to 20 ° relative to the vertical (rotation of 105 to 110 °), occupying the position shown in FIG. 7, the pivot 16 resting on one side by its connecting part 17 against the upper edge of the wall 11 of the frame and on the other side by its connecting shaft part 18 against the underside of the lips 9 .
- the pad is arranged vertically: the shaft part 18 can then engage in the opening overhanging the second portion 10 of the outer part 7 of the housing 5, as shown in FIG. 8.
- a single housing 5 ′ is provided in the thickness of the frame 1 ′.
- Said housing 5 ′ has a general shape of T in top view, open upwards in the upper face of the frame and also opening into the inside of the frame.
- Part 6 of the housing 5 ′ located inwardly constitutes the leg of the aforementioned T and extends substantially radially by having a lesser depth than the rest of the housing; the inner part 6 of the housing 5 ′ thus forms a neck between the inner zone of the frame and the part 7 ′ of the housing located towards the outside.
- This part 7 ′ of the housing located towards the outside is elongated substantially transversely to the part 6 and forms the transverse bar of the abovementioned T; its depth is on the whole significantly greater than that of part 6.
- the two lateral zones 23 serve as housings receiving the ends of the pivot shaft part 18 of the pivot 16 of the pad 4.
- Fig. 11 represents a first possible configuration of the part 7 ′ of the housing 5 ′: the first region 8 is here delimited, radially inwards, by a wall 26 which is concave with continuous curvature from the bottom 24 of the part 7 ′ up to 'at the lower end of the lip 9.
- the wall 26 has a lower part 26a in the form of a portion of cylinder substantially of revolution having a large radius of curvature (relatively), surmounted by a upper part 26 b in the shape of a substantially revolution portion of cylinder having a relatively smaller radius of curvature.
- the different walls delimiting the part 7 ′ of the housing 5 ′ namely the wall 26, the bottom 24 and the wall 27 delimiting the second region 10 radially outwards
- the part 7 ′ of the housing 5 ′ is constituted as indicated above with reference to FIG. 11.
- the shutter plug of the gaze it is arranged as indicated in the first exemplary embodiment in particular as regards its pivot in T which is engaged in the housing 5 ′ of the frame.
- the T-pivot of the pad is no longer, during the opening or closing of the pad, guided on the inclined ramp formed by the background 13.
- a chamfer 29 is therefore provided, in the region around the housing 5 ′, on the upper part of the inner face of the frame.
- This chamfer has an inclination of about 45 ° relative to the vertical, that is to say it is approximately parallel (in the exemplary embodiment of FIG. 12) to the surface 28 b supra.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Hinges (AREA)
- Types And Forms Of Lifts (AREA)
- Sanitary Device For Flush Toilet (AREA)
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88470005T ATE73514T1 (de) | 1987-04-07 | 1988-04-01 | Strassenschacht mit t-foermigem scharnier. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8704885A FR2613742B1 (fr) | 1987-04-07 | 1987-04-07 | Regard de chaussee a charniere en t |
FR8704885 | 1987-04-07 | ||
FR8717571A FR2624897B2 (fr) | 1987-04-07 | 1987-12-16 | Perfectionnements apportes aux regards de chaussee a charniere en t |
FR8717571 | 1987-12-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0286562A2 EP0286562A2 (de) | 1988-10-12 |
EP0286562A3 EP0286562A3 (en) | 1989-03-01 |
EP0286562B1 true EP0286562B1 (de) | 1992-03-11 |
Family
ID=26225905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88470005A Expired - Lifetime EP0286562B1 (de) | 1987-04-07 | 1988-04-01 | Strassenschacht mit T-förmigem Scharnier |
Country Status (10)
Country | Link |
---|---|
US (1) | US4840514A (de) |
EP (1) | EP0286562B1 (de) |
CA (1) | CA1289800C (de) |
DE (1) | DE3868963D1 (de) |
DK (1) | DK168401B1 (de) |
ES (1) | ES2028773T3 (de) |
GR (1) | GR3004123T3 (de) |
IE (1) | IE60208B1 (de) |
NO (1) | NO175685C (de) |
PT (1) | PT87156B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10046045C1 (de) * | 2000-09-18 | 2002-03-07 | Buderus Guss Gmbh | Schachtabdeckung oder Aufsatz |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH677244A5 (de) * | 1988-07-05 | 1991-04-30 | Von Roll Ag | |
FR2645190B1 (fr) * | 1989-04-03 | 1991-06-28 | Pont A Mousson | Regard de chaussee a charniere |
FR2652598B1 (fr) * | 1989-09-29 | 1991-12-13 | Pont A Mousson | Regard de chaussee a charniere verrouille. |
DE9005405U1 (de) * | 1990-05-12 | 1990-08-02 | Passavant-Werke Ag, 6209 Aarbergen, De | |
FR2681356B1 (fr) * | 1991-09-16 | 1997-04-04 | Pont A Mousson | Regard de chaussee a tampon verrouille. |
FR2695951B1 (fr) * | 1992-09-18 | 1994-12-09 | Fonderie Meca Sa Ste Muretaine | Regard de chaussée du type charnière. |
US5324135A (en) * | 1993-04-28 | 1994-06-28 | Dennis Smith | Locking cover |
FR2731023B1 (fr) * | 1995-02-24 | 1997-05-30 | Pont A Mousson | Dispositif de voirie a charniere comprenant un couvercle du type grille ou tampon et un cadre support |
US5745953A (en) * | 1995-05-24 | 1998-05-05 | Western Design Corporation | Hinge assembly, platform and method of making same |
PT796949E (pt) * | 1996-03-22 | 2001-11-30 | Saint Gobain Pont A Mousson | Dispositivo de inspeccao com charneira que compreende uma tampa do tipo grade ou tampao e uma armacao de suporte |
AU6901596A (en) * | 1996-08-23 | 1998-03-06 | Western Design Howden | Hinge assembly and platform |
US5860713A (en) * | 1997-06-04 | 1999-01-19 | Anderson Hickey Company | Wire management arrangement |
KR100257929B1 (ko) * | 1998-02-20 | 2000-06-01 | 심규보 | 목높이를 높일 수 있는 맨홀뚜껑 조립체 |
US6115885A (en) * | 1998-07-27 | 2000-09-12 | Hewlett-Packard Company | Twisted hinge |
ES2234147T3 (es) * | 1998-09-03 | 2005-06-16 | Ulma Hormigon Polimero, S. Coop. | Canalizacion de drenaje con rejilla o tapa abatible. |
US6325962B1 (en) * | 1998-12-29 | 2001-12-04 | Visteon Global Technologies, Inc. | Method of manufacturing a blow molded hinge assembly |
US6446307B2 (en) * | 1999-02-22 | 2002-09-10 | Electromechanical Research Laboratories, Inc. | Manway lid lifter |
FR2793267B1 (fr) * | 1999-05-05 | 2001-06-15 | Pont A Mousson | Dispositif de voirie et element de recouvrement pour un tel dispositif |
US6345415B1 (en) * | 1999-09-03 | 2002-02-12 | International Business Machines Corporation | Self-captivating pinless hinge |
FR2809752B1 (fr) * | 2000-05-31 | 2002-07-19 | Saint Gobain Pont A Mousson | Regard a couvercle articule a dispositif antivol, pour excavation de sol |
FR2811346B1 (fr) * | 2000-07-06 | 2002-08-23 | Saint Gobain Pont A Mousson | Dispositif de voirie a couvercle articule tel que les dispositifs de couronnement ou de fermeture des cheminees de sol |
WO2003027400A1 (de) * | 2001-09-21 | 2003-04-03 | Aco Severin Ahlmann Gmbh & Co. Kg. | Abdeckungsanordnung |
FR2839992B1 (fr) * | 2002-05-24 | 2004-10-29 | Saint Gobain Pont A Mousson | Dispositif de fermeture d'une ouverture, en particulier regard de chaussee |
GB2390629B (en) * | 2002-07-10 | 2005-12-21 | Saint Gobain Pipelines Plc | A frame for bounding a recess and related assemblies |
FR2849074B1 (fr) * | 2002-12-23 | 2005-02-11 | Saint Gobain Pont A Mousson | Dispositif de fermeture |
ATE468440T1 (de) * | 2003-12-05 | 2010-06-15 | Furnes Hamjern Scc As | Kontaktglied zur verwendung mit einer schachtstruktur |
US7094000B2 (en) * | 2004-05-03 | 2006-08-22 | Neenah Foundry Company | Socket hinged construction casting assembly |
US7108447B2 (en) * | 2004-05-03 | 2006-09-19 | Neenah Foundry Company | Construction castings with ball and socket connectors |
US6957927B1 (en) * | 2004-05-20 | 2005-10-25 | Dabico, Inc. | Removable aircraft servicing pit lid |
FR2889217B1 (fr) * | 2005-07-27 | 2009-03-06 | Norinco Soc Par Actions Simpli | Dispositif d'articulation d'un tampon ou couvercle a un cadre notamment de regard de chaussee |
CA2517541C (en) * | 2005-08-29 | 2011-04-12 | Wireless Resident Nurse Alert Technology Inc. | Pocket pager protector |
FR2907477B1 (fr) * | 2006-10-18 | 2008-12-12 | Norinco Soc Par Actions Simpli | Dispositif de voirie a cadre de support et element de couronnement, tel qu'un tampon ou couvercle ou grille, monte articule a basculement sur le cadre |
US8206058B2 (en) * | 2008-07-15 | 2012-06-26 | East Jordan Iron Works, Inc. | Manhole cover hinge assembly |
EP2508679B1 (de) | 2011-04-05 | 2013-09-25 | Benito Artis, Sl | Deckel für einen Wartungsschacht |
EP2508678A1 (de) | 2011-04-05 | 2012-10-10 | Benito Artis, Sl | Deckel für einen Wartungsschacht |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR742942A (de) * | 1933-03-18 | |||
NL38010C (de) * | ||||
GB189801982A (en) * | 1898-01-25 | 1899-01-25 | George Waller | An Improved Arrangement for Attaching and Detaching Metal Doors or Covers of Frames to be used for Inspection Chambers and other Appliances employed for Sanitary and other purposes. |
GB190218638A (en) * | 1902-08-25 | 1902-10-30 | Neale Thomson | Improvements in the Means for Securing Detachable Doors, or Covers, of Sewer Manholes, or similar Openings, in Place. |
US780441A (en) * | 1904-10-18 | 1905-01-17 | Frederick W Von Oven | Flush-hinge door. |
US1496466A (en) * | 1923-04-19 | 1924-06-03 | Henry S Haltzel | Hinge |
GB474250A (en) * | 1936-05-02 | 1937-10-28 | Cyril John Hartley | Improvements in and relating to manhole covers and frames |
GB485192A (en) * | 1937-10-05 | 1938-05-17 | David Evans | Improvements in and connected with manhole, drain, and like covers and cover frames |
GB572451A (en) * | 1943-11-25 | 1945-10-09 | Cyril John Hartley | Improvements in and relating to covers and frames for road gulleys, manholes or inspection covers |
US3130651A (en) * | 1960-08-23 | 1964-04-28 | Neenah Foundry Company | Mounting for hinged covers |
FR1410293A (fr) * | 1964-07-27 | 1965-09-10 | Sambre & Meuse Usines | Regard pour chaussée comprenant un tampon constitué par plusieurs éléments |
GB1471873A (en) * | 1974-08-06 | 1977-04-27 | Brickhouse Dudley Ltd | Manhole covers |
US4372007A (en) * | 1981-01-08 | 1983-02-08 | Atari, Inc. | Releaseable hinge mechanism |
FR2505967B1 (fr) * | 1981-05-12 | 1985-07-12 | Moizieux Ets Metallurg | Dispositif de montage et d'articulation dans son support d'un organe d'obturation en mouvements oscillatoires dans les tuyauteries, notamment pour la circulation de fluides dans un seul sens |
FR2508191B1 (fr) * | 1981-06-22 | 1988-01-15 | Pont A Mousson | Chassis de voirie a couvercle basculant amovible |
DE8534442U1 (de) * | 1985-12-07 | 1986-06-26 | Carl Sülberg GmbH & Co, 5630 Remscheid | Scharnier |
-
1988
- 1988-04-01 ES ES198888470005T patent/ES2028773T3/es not_active Expired - Lifetime
- 1988-04-01 EP EP88470005A patent/EP0286562B1/de not_active Expired - Lifetime
- 1988-04-01 DE DE8888470005T patent/DE3868963D1/de not_active Expired - Lifetime
- 1988-04-04 PT PT87156A patent/PT87156B/pt not_active IP Right Cessation
- 1988-04-05 DK DK183288A patent/DK168401B1/da not_active IP Right Cessation
- 1988-04-06 CA CA000563388A patent/CA1289800C/fr not_active Expired - Lifetime
- 1988-04-06 NO NO881460A patent/NO175685C/no not_active IP Right Cessation
- 1988-04-06 IE IE102588A patent/IE60208B1/en not_active IP Right Cessation
- 1988-04-07 US US07/178,932 patent/US4840514A/en not_active Expired - Fee Related
-
1992
- 1992-03-24 GR GR910401728T patent/GR3004123T3/el unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10046045C1 (de) * | 2000-09-18 | 2002-03-07 | Buderus Guss Gmbh | Schachtabdeckung oder Aufsatz |
Also Published As
Publication number | Publication date |
---|---|
NO175685C (no) | 1994-11-16 |
NO175685B (no) | 1994-08-08 |
US4840514A (en) | 1989-06-20 |
PT87156A (pt) | 1989-05-12 |
IE60208B1 (en) | 1994-06-15 |
DK168401B1 (da) | 1994-03-21 |
DE3868963D1 (de) | 1992-04-16 |
EP0286562A3 (en) | 1989-03-01 |
NO881460L (no) | 1988-10-10 |
PT87156B (pt) | 1993-09-30 |
ES2028773T1 (es) | 1992-07-16 |
CA1289800C (fr) | 1991-10-01 |
DK183288A (da) | 1988-10-08 |
DK183288D0 (da) | 1988-04-05 |
NO881460D0 (no) | 1988-04-06 |
ES2028773T3 (es) | 1992-10-16 |
GR3004123T3 (de) | 1993-03-31 |
IE881025L (en) | 1988-10-07 |
EP0286562A2 (de) | 1988-10-12 |
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AK | Designated contracting states |
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