Patent Number: 
Section: claims

1. Sealed junction device between a first chamber (1) and a second chamber that are isolated from the external environment,the first chamber (1) comprising:a structure that includes a first wall (3) that borders a first inside space (1a) and has a first opening (4) that is bordered by a first annular flange (5); anda first door (6) that is supported by the structure and that includes a panel (6v) that is arranged and mounted so as to be able to be moved to be either in the closed state where it works with the first annular flange (5) by closing the first opening (4) or in the open state where it is detached from the first annular flange (5) and placed in the first inside space (1a) by opening the first opening (4);the second chamber (2) comprising:a second wall (7) that is equipped with a second opening (8) that is bordered by a second annular flange (9); anda second door (10) that has a second panel (10v) that is mounted to move between a closed state and an open state, where, respectively, the second panel (10v) closes or opens the second opening (8);wherein the first annular flange (5) and the second annular flange (9) are complementary and adapted to be held in a removable way, flattened against one another by their end surfaces (5a, 9a);wherein the first panel (6v) and the second panel (10v) are complementary and adapted to be flattened against one another in a removable way, hermetically sealed, by their outside surfaces (6a, 10a);wherein the device comprises movement actuation means (11b) for moving the first panel (6v) between its closed and open states, and monitoring means (11c) for monitoring the movement actuation means;wherein when the first door (6) and the second door (10), respectively their panels (6v and 10v), are in the open state, the first chamber (1) and the second chamber (2) are in communication with one another via their respective openings (4, 8) in the open state, with a communication space (13) that includes an entrance/exit space (13a) in the first chamber (1) and an entrance/exit space in the second chamber (2) being made between the two chambers (1, 2) that make possible passage of contents from one said entrance/exit space to the other;wherein an inside critical annular line (LCi) of contamination risk exists on the first panel (6v) of the first door (6), and an outside critical annular line (LCe) of contamination risk exists on the second annular flange (9); andwherein the device further comprises protective means for reducing a risk of contamination for the outside critical line, the protective means comprising at least one of a first member (25) surrounding the first door (6) and a second member (26) structurally integrated into the second flange (9) that are adapted, when the first door (6) and the second door (10), respectively their panels (6v and 10v), are in the open state, to form a separation between the communication space (13) and the inside critical annular line (LCi) and the outside critical annular line (LCe). 2. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 1, wherein the first and second members (25, 26) are annular deflectors and the separation is a separation space (12) of appropriate size that is between the communication space (13) and the critical line, with the latter thus being normally not reachable during the passage into the communication space (13). 3. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 2, wherein the second member (26) is a first annular deflector (26) that is integrated into the second flange (9), bordering the second opening (8) and projecting from a free frontal plane of the second flange (9) that forms an interface with the first flange (5). 4. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 3, wherein the first annular deflector (26) forms an annular cavity (28) with an outside peripheral part of the second flange (9) in the bottom or close to the bottom of which there is the outside critical line LCe. 5. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 3, wherein the panel (10v) of the second door (10) comprises an annular groove (29) that opens toward the interior of the second chamber (2), able to accommodate the first annular deflector (26) of the second flange (9), and a rounded annular peripheral part (30) that comprises—toward the inside—the annular groove (29) and that forms—toward the outside—a tenon-shaped part housed in a complementary part in the shape of a mortise (31) that is made on the outside surface (6a) of the panel (6v) of the first door (6). 6. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 2, wherein the first member (25) is a second annular deflector (25) that is integrated into the first door (6), supported by or being part of the movement actuation means (11b). 7. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 6, wherein the second annular deflector (25) forms a protective cavity (34) of the inside critical line LCi with a central part (33) of the movement actuation means (11b) of the first door (6). 8. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 7, wherein the second annular deflector (25) has a larger axial size than the axial space requirement of the panel (6v) of the first door (6). 9. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 7, wherein the movement actuation means of the first door (6) are in rotation around an axis (35) that is approximately parallel to the first opening (4), the first flange (5), and the position of the first panel when it is in the closed state. 10. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 2, wherein the second member (25) is movable to define the separation as the separation space (12) of appropriate size, with the movement actuation means (11b) of the first door (6) being arranged in such a way that in the open state of the first panel (6v), the first panel (6v) is substantially separated beyond the boundary (13b, 13c) of the first entrance/exit space (13a), with the separation space (12) thus being made between the first entrance/exit space (13a) and the first panel (6v) in the open state. 11. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 10, wherein the first door (6) is supported by the movement actuating means in such a way that the first panel (6v) is arranged and mounted so as to be able to be moved to be in the open state, either in a primary open state where a primary separation space is made or in a final open state where the separation space (12) is made, larger than the primary separation space. 12. Sealed junction device according to claim 10, further comprising a separation wall (14) that, in the open state of the first panel (6v), is placed and extends, at least in part, between the first panel (6v) and the first entrance/exit space (13a). 13. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 1, wherein the movement actuation means (11b) of the first door (6) are arranged to be able to move the first panel (6v) between its closed and open or primary open states, in a movement that comprises an initial separation movement of the first panel (6v) from the first flange (5) that is a movement that is at least essentially an initial translational movement along an axis that is at least approximately orthogonal to the first opening (4), the first flange (5), and the position of the first panel (6v) in the closed state, or an initial rotational movement around an axis that is at least approximately parallel to the first opening (4), the first flange (5), and the position of the first panel (6v) in the closed state. 14. Process for implementing the sealed junction device between the two chambers (1, 2) that are isolated from the external environment according to claim 1, comprising the steps of:placing the first chamber (1) of which the first door (6) that comprises a first panel (6v) in the closed state and placing the second chamber (2) of which the second door (10) that comprises a second panel (10v) in the closed state;bringing the two chambers (1, 2) close to one another, and flattening the first flange (5) and the second flange (9) against one another in a hermetically sealed way via their outside surfaces, and flattening the first panel (6v) of the first door (6) and the second panel (10v) of the second door (10) against one another in a hermetically sealed way; andmaking integral the first flange (5) and the second flange (9) and the two panels (6v and 10v), and actuating the first panel (6v) to bring the first panel into the open state and thus to also bring the second panel (10v) into the open state, in such a way that the first chamber (1) and the second chamber (2) are in communication with one another via their respective openings in the open state, with a communication space (13) being provided between the two chambers (1, 2), making it possible to make certain contents pass between them;wherein when the first panel (6v) of the first door (6) and the second panel (10v) of the second door (10) are in the open state, the at least one of the first and second members are implemented to form the separation between the communication space (13) and the inside critical annular line (LCi) and the outside critical annular line (LCe) of the sealed junction device. 15. First specially designed chamber (1) that is suitable for being combined with a sealed junction device with a second chamber (2), comprising:a structure that includes a closed wall (3) that borders an inside space (1a),at least one opening (4) that is made in the wall (3) and bordered by a first annular flange (5) of which the outside surface (5a) is able to ensure the hermetically-sealed flattening on itself of the outside surface (9a) of a second complementary flange (9) that is part of the second chamber (2),removable holding means, combined at least in part with the first flange (5), for holding in a removable way the first flange (5) and the second flange (9) that are flattened against one another by their outside surfaces (5a and 9a),a first door (6) that is supported by the structure by means of the movable or deformable carrying means (11a), of which the first panel (6v) is arranged and mounted so as to be able to be moved to be either in the closed state where it works with the first flange (5) by closing the first opening (4) or in the open state where it is released from the first flange (5) and placed in the inside space (1a) by opening the first opening (4), and of which the outside surface (6a) is able to ensure the hermetically-sealed flattening on itself from the outside surface (10a) of the panel (10v) of a second complementary door (10) that is part of the second chamber (2),means for removable interlocking combined at least in part with the first door (6), able to hold the first panel (6v) and the second panel (10v), flattened against one another by their outside surfaces (6a and 10a), in a removable way,movement actuation means (11b) for moving the first panel (6v) between its closed and open states, and means for monitoring the movement actuation means (11b),and, when the first panel (6v) is in the open state, a first entrance/exit space (13a) in/of the inside space (1a), in the general shape of a truncated cylinder, cone or pyramid, extending into the inside space at least approximately axially from the first opening (4) and the first flange (5), whereby this first entrance/exit space (13a) is part of a communication space between the two combined chambers and is able to make it possible to pass certain contents into/out of the inside space, from one to the other of the two chambers,wherein the first chamber is attachable to the second chamber (2) by a sealed junction device according to claim 1, andmeans that are structurally integrated into the first door (6) for—when it is in the open state—forming a separation (25) between the communication space (13) and the inside critical annular line (LCi). 16. Second chamber (2), specially designed to be part of a first chamber (1) of a sealed transfer device between the two chambers (1, 2), comprising:a second wall (7) that is equipped with a second opening (8) that is bordered by a second annular flange (9);a second door (10) of which the panel (10v) is mounted to move, able to be in the closed state or in the open state or, respectively, the second panel (10v) closes or opens the second opening (8),wherein the second chamber is attachable to the first chamber (1) by the sealed junction device according to claim 1; andmeans (26) that are structurally integrated into the second flange (9) that, when the second door (10), respectively the second panel (10v), is in the open state, form a separation (26) between the communication space (13) and the outside critical annular line (LCe). 17. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 9, wherein the movement actuation means (11b) of the first door (6) is separated in the inside space (1a) of the first chamber (1) so that the deflector (25), in the open state of the first panel (6v), is placed between the central part (33) of the carrying means (11a) or the movement actuation means (11b) and the inside surface (3b) of the first chamber (1) around the first opening (4), and separated laterally from the panel (6v) of the first door (6) so as to separate the deflector (25), the panel (6v) of the first door (6), and the inside critical line LCi of the communication space (13) when the first panel (6v) is in the open state. 18. Sealed junction device between two chambers (1, 2) that are isolated from the external environment according to claim 11, wherein the separation space (12) is located beyond the lateral boundary (13c) or beyond the distal end boundary (13b) of the first entrance/exit space (13a) opposite to the first opening (4) and the first flange (5), and is an empty space. 19. Sealed junction device between a first chamber and a second chamber that are isolated from the external environment according to claim 1, wherein the protective means comprises both the first member (25) surrounding the first door (6) and the second member (26) structurally integrated into the second flange (9).