Self-supporting timber box for the support and thermal insulation of an impermeable tank membrane
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B63B-025/08
B63B-025/00
출원번호
UP-0081749
(2005-03-17)
등록번호
US-7555991
(2009-07-15)
우선권정보
FR-04 02736(2004-03-17)
발명자
/ 주소
Dhellemmes, Jacques
Canler, Gery
출원인 / 주소
Gaztransport et Technigaz
대리인 / 주소
Young & Thompson
인용정보
피인용 횟수 :
2인용 특허 :
6
초록▼
Self-supporting timber box having a base panel, lateral walls each projecting perpendicularly from one side of the base panel to delimit the profile of an internal space of the box, a plurality of internal partitions (14) which are parallel to each other and perpendicular to the base panel and which
Self-supporting timber box having a base panel, lateral walls each projecting perpendicularly from one side of the base panel to delimit the profile of an internal space of the box, a plurality of internal partitions (14) which are parallel to each other and perpendicular to the base panel and which extend between the lateral walls in such a way as to divide the internal space into a plurality of compartments intended to receive a heat-insulating lining, and a cover panel, wherein it has at least one stiffening element (16) which is positioned in the internal space transversely with respect to the internal partitions and which has an area of connection (17, 18) to each of the internal partitions to increase the buckling resistance of the internal partitions, the area of connection extending over a depth greater than or equal to half of the distance between the base and cover panels.
대표청구항▼
The invention claimed is: 1. A self-supporting timber box (3) for the support and thermal insulation of an impermeable tank membrane (5) intended to contain a cold liquid, said box comprising a base panel (11), lateral walls (12, 13) fixed to said base panel and projecting perpendicularly from one
The invention claimed is: 1. A self-supporting timber box (3) for the support and thermal insulation of an impermeable tank membrane (5) intended to contain a cold liquid, said box comprising a base panel (11), lateral walls (12, 13) fixed to said base panel and projecting perpendicularly from one side of said base panel to delimit the profile of an internal space (26) of said box, a plurality of internal partitions (14) which are parallel to each other and perpendicular to said base panel and which extend between said lateral walls in such a way as to divide said internal space into a plurality of compartments intended to receive a heat-insulating lining, and a cover panel (23) supported and fixed on an upper edge of said lateral walls and said internal partitions so that it is parallel to said base panel and at a distance therefrom, thus enclosing said internal space of the box, wherein said box has at least one stiffening element (16) which is positioned in said internal space transversely with respect to said internal partitions and which has an area of connection (17, 18) to each of said internal partitions to increase the buckling resistance of said internal partitions, said area of connection extending over a depth greater than or equal to half of the distance between said base and cover panels, wherein said stiffening element (16) takes the form of a plate perpendicular to said base panel, interacting by fitting with each of said internal partitions (14) in said area of connection, and wherein said stiffening element has a corresponding notch (17) to receive each of said internal partitions, each of said internal partitions having a notch (18) to receive one portion of said stiffening element located in an extension of said respective corresponding notch of said stiffening element. 2. The box as claimed in claim 1, wherein said area of connection (17, 18) extends over a depth greater than or equal to two thirds of the distance between said base and cover panels. 3. The box as claimed in claim 1, wherein said stiffening element extends between two opposite lateral walls (12) parallel to said internal partitions, said stiffening element having two ends, each fixed to said lateral walls. 4. The box as claimed in claim 1, wherein the notch (18) of each of said internal partitions is shallower than the respective corresponding notch (17) of said stiffening element. 5. The box as claimed in claim 1, wherein said box is parallelepipedal in shape, said lateral walls including two opposing walls (12) parallel to the internal partitions and two opposing walls (13) perpendicular to the internal partitions, to which the ends of said internal partitions are fixed, said internal partitions (14) and said lateral walls parallel to said internal partitions being thicker than the lateral walls perpendicular to the internal partitions. 6. The box as claimed in claim 1, wherein said lateral walls (12) and said internal partitions (14) have drilled holes (20, 22) allowing a gas to be circulated through said box, said drilled holes being located closer to said base panel than to said cover panel in a plane parallel to said base and cover panels. 7. A self-supporting timber box (3) for the support and thermal insulation of an impermeable tank membrane (5) intended to contain a cold liquid, said box comprising a base panel (11), lateral walls (12, 13) fixed to said base panel and projecting perpendicularly from one side of said base panel to delimit the profile of an internal space (26) of said box, a plurality of internal partitions (14) which are parallel to each other and perpendicular to said base panel and which extend between said lateral walls in such a way as to divide said internal space into a plurality of compartments intended to receive a heat-insulating lining, and a cover panel (23) supported and fixed on an upper edge of said lateral walls and said internal partitions so that it is parallel to said base panel and at a distance therefrom, thus enclosing said internal space of the box, wherein said box has at least one stiffening element (16) which is positioned in said internal space transversely with respect to said internal partitions and which has an area of connection (17, 18) to each of said internal partitions to increase the buckling resistance of said internal partitions, said area of connection extending over a depth greater than or equal to half of the distance between said base and cover panels, wherein said lateral walls (12) and said internal partitions (14) have drilled holes (20, 22) allowing a gas to be circulated through said box, said drilled holes being located closer to said base panel than to said cover panel. 8. The box as claimed in claim 7, wherein the plane containing said drilled holes (20, 22) cuts said area of connection (17, 18) of the stiffening element with each of said internal partitions. 9. A membrane tank intended to contain a cold liquid and comprised of tank walls supported on the supporting structure of a ship, said tank walls including within their thickness, in the direction from the outside to the inside of said tank, a secondary insulating barrier (2) supported on said supporting structure (1), a secondary impermeable membrane (5) supported on said secondary insulating barrier, a primary insulating barrier (6) supported on said secondary impermeable membrane and a primary impermeable membrane (9) supported on said primary insulating barrier, wherein said secondary insulating barrier essentially consists of boxes (3) juxtaposed and filled with a heat-insulating lining, each box being a self-supporting timber box (3) for the support and thermal insulation of an impermeable tank membrane (5) intended to contain a cold liquid, said box comprising a base panel (11), lateral walls (12, 13) fixed to said base panel and projecting perpendicularly from one side of said base panel to delimit the profile of an internal space (26) of said box, a plurality of internal partitions (14) which are parallel to each other and perpendicular to said base panel and which extend between said lateral walls in such a way as to divide said internal space into a plurality of compartments intended to receive a heat-insulating lining, and a cover panel (23) supported and fixed on an upper edge of said lateral walls and said internal partitions so that it is parallel to said base panel and at a distance therefrom, thus enclosing said internal space of the box, wherein said box has at least one stiffening element (16) which is positioned in said internal space transversely with respect to said internal partitions and which has an area of connection (17, 18) to each of said internal partitions to increase the buckling resistance of said internal partitions, said area of connection extending over a depth greater than or equal to half of the distance between said base and cover panels wherein said primary insulating barrier (6) essentially consists of self-supporting timber boxes (7) juxtaposed and filled with a heat-insulating lining, each of said boxes comprising a base panel (31), lateral walls (32, 33) fixed to said base panel and projecting perpendicularly from one side of said base panel to delimit the profile of an internal space of said box, at least one internal partition (34) fixed perpendicularly to said base panel and extending between said lateral walls in such a way as to divide said internal space into a plurality of compartments intended to be fitted with a heat-insulating lining, and a cover panel supported and fixed on an upper edge of said lateral walls and of said at least one internal partition parallel to said base panel and at a distance therefrom to enclose said internal space of the box, said cover panel comprising two boards (45, 46) bonded and stapled to each other. 10. The membrane tank as claimed in claim 9, wherein, in the boxes (7) forming the primary insulating barrier (6), a first board (45) of said cover is stapled onto said upper edge of the lateral walls (32, 33) and said at least one internal partition (34), independently of said second board (46), which is then bonded and stapled to said first board.
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이 특허에 인용된 특허 (6)
Dhellemmes Jacques,FRX ; Jean Pierre,FRX, Impermeable and thermally insulating tank comprising prefabricated panels.
Dhellemmes Jacques,FRX ; Jean Pierre,FRX, Watertight and thermally insulating tank with an improved corner structure, built into the bearing structure of a ship.
Dhellemmes Jacques,FRX ; Jean Pierre,FRX, Watertight and thermally insulating tank with simplified insulating barrier built into the bearing structure of a ship.
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