A wall system comprising at least one wall module and at least one linking element is provided. Said wall module comprising a substantially rectangular plate (3), said rectangular plate comprising two side edges (5a, 5b), each comprising a side edge bent configuration (11), wherein said side edge bent configuration comprises a first side bend (13a), a second side bend (13b) and a third side bend (13c), wherein all three side bends (13a,b,c) are substantially 180° or 160-200° and are provided along different bending lines being parallel with the side edges (5a, 5b) of the plate. Said linking element comprises an elongated rectangular plate (33; 33′) comprising two side parts (45a, 45b: 45a′, 45b′) along a length of said plate (33; 33′) and a middle part (47; 47′) along the length of said plate between said two side parts, wherein said two side parts (45a, 45b; 45a′, 45b′) comprises locking features (43a, 43b; 201; 43a′, 43b; 43a″; 43b″; 43a′″; 43b′″), wherein the radius of the second side bend (13b) of the wall module is provided such that a side part (45a, 45b; 45a′, 45b′) of the linking element (31; 31′; 31″; 31′″; 31″) can be provided into an opening (17) between first and third bent side parts (15a, 15c) of the wall module and during the connection will be passing a third bent side part (15c) which finally will lock a side part (45a, 45b; 45a′, 45b′) of the linking element (31; 31′; 31″; 31′″; 31′″) within the side edge bent configuration (11) of the wall module (1) when a wall module and a linking element have been connected.

A modular construction system, including, first and second walls, each having first and second broad surfaces. Each wall includes throughgoing connector-receiving bores. The modular construction system further includes a connector including a longitudinal body portion arranged along a longitudinal axis and having a first width. A head portion of the longitudinal body portion includes a base surface having a second width in a direction transverse to the longitudinal axis. A pair of protrusions extend outwardly from the longitudinal body portion and are disposed between the base surface and a tail end of the longitudinal body portion. The protrusions include an engagement surface facing toward the base surface and having a third width, the third width being greater than the first width.

A hinge joint is disclosed. In an embodiment, the hinge joint includes a first hinge component, a second hinge component and a flexible member linking the first and second hinge components to support relative movement of the first hinge component and the second hinge component between an abutting relationship and a non-abutting relationship. A foldable shelter including a hinge joint according to an embodiment of the disclosure is also disclosed.

A modular construction system, including, first and second walls, each having first and second broad surfaces. Each wall includes throughgoing connector-receiving bores. The modular construction system further includes a connector including a longitudinal body portion arranged along a longitudinal axis and having a first width. A head portion of the longitudinal body portion includes a base surface having a second width in a direction transverse to the longitudinal axis. A pair of protrusions extend outwardly from the longitudinal body portion and are disposed between the base surface and a tail end of the longitudinal body portion. The protrusions include an engagement surface facing toward the base surface and having a third width, the third width being greater than the first width.

A wall system comprising at least one wall module and at least one linking element is provided. Said wall module comprising a substantially rectangular plate (3), said rectangular plate comprising two side edges (5a, 5b), each comprising a side edge bent configuration (11), wherein said side edge bent configuration comprises a first side bend (13a), a second side bend (13b) and a third side bend (13c), wherein all three side bends (13a,b,c) are substantially 180 or 160-200 and are provided along different bending lines being parallel with the side edges (5a, 5b) of the plate. Said linking element comprises an elongated rectangular plate (33; 33) comprising two side parts (45a, 45b: 45a, 45b) along a length of said plate (33; 33) and a middle part (47; 47) along the length of said plate between said two side parts, wherein said two side parts (45a, 45b; 45a, 45b) comprises locking features (43a, 43b; 201; 43a, 43b; 43a; 43b; 43a; 43b), wherein the radius of the second side bend (13b) of the wall module is provided such that a side part (45a, 45b; 45a, 45b) of the linking element (31; 31; 31; 31; 31) can be provided into an opening (17) between first and third bent side parts (15a, 15c) of the wall module and during the connection will be passing a third bent side part (15c) which finally will lock a side part (45a, 45b; 45a, 45b) of the linking element (31; 31; 31; 31; 31) within the side edge bent configuration (11) of the wall module (1) when a wall module and a linking element have been connected.

A system for assembling structural insulated panels (SIPs) includes a set of splines that snugly insert into channels along the top, bottom and side edges of each SIP. Vertical alignment splines are used to align and connect adjacent SIPs and horizontal plate splines are used to cap edge channels of a SIP such that the edges of the SIP can securely rest on, support or be affixed to a foundation or other structural member. The system components facilitate fast and precise alignment, interconnection and installation of SIPs in order to form walls, floors, roofs or foundation systems.

A system includes a compressible, elongated gasket. The gasket includes first and second tubes aligned side-by-side and connected to each other along their common length by a first base and a second base, each of the first base and second base contacting both the first tube and the second tube. A method for sealing a joint between first and second wall panels is described. The method comprises obtaining a first compressible, elongated gasket; positioning the first gasket on an edge face of the first wall panel; attaching the first gasket to the edge face of the first wall panel; and placing the second wall panel adjacent to the first wall panel to compress the first gasket therebetween.

The present invention relates to an improved system for coupling prefabricated construction panels. The system comprises: a first prefabricated panel (1) and a second prefabricated panel (2) having a first groove (1A) shaped with a dove-tail cross-section and a second groove (1A) shaped with a dove-tail cross-section, each groove (1A, 1A) being formed by a first oblique side (11,11) having a first end and a second end, a second oblique side (12,12) having a first end and a second end, and a third side (13, 13) connecting the first end of said first oblique side (11, 11) to the first end of said second oblique side (12, 12), at least one coupling element (2) for coupling said first prefabricated panel (1) to said second prefabricated panel (2), a plate key (3), integral with said coupling element (2), configured to rotate said coupling element (2) from a rest position, wherein said prefabricated panels are not coupled by said coupling element, to a locking position, wherein said prefabricated panels are coupled together and locked in a fixed position between them by said coupling element, and vice versa. In particular, each oblique side (11, 12) of said first groove (1A) has respectively a first relief (11A) and a second relief (12A) arranged at the second end of a respective oblique side (11, 12) respectively, and protrudes in such a way as to form respectively a first step (111) and a second step (121) with the respective oblique side, wherein said first relief (111) faces said second relief (121). Each oblique side (11, 12) of said second groove (1A) has respectively a third relief (11A) and a fourth relief (12A) arranged at the second end of a respective oblique side (11, 12) of said second groove (1A) and protrudes to form a third step (111) and a fourth step (121) respectively with the respective oblique side, wherein said third relief (111) faces said fourth relief (121). Said coupling element (2) has a first end part (21), a second end part (22) and a central part (23) arranged between said first end part (21) and said second end part (22), where said first end part (21) protrudes with respect to said central portion (23) so as to form at least a first step (211) and wherein said second end part (22) protrudes with respect to said central portion (23) so as to form at least a second step (221).

An air handler having a fan module and a separation partition is provided, in which a case panel may be assembled with a plurality of module frames via a considerably simplified sliding coupling providing excellent hermetic sealing. As such, manufacturing costs may be reduced due to reduction in a number of components, and assembly time may be remarkably reduced due to a reduced number of assembly operations. This advantageously results in reduced labor cost and enhanced air conditioning efficiency.

The present invention relates to an improved system for coupling prefabricated construction panels. The system comprises: a first prefabricated panel (1) and a second prefabricated panel (2) having a first groove (1A) shaped with a dove-tail cross-section and a second groove (1A) shaped with a dove-tail cross-section, each groove (1A, 1A) being formed by a first oblique side (11,11) having a first end and a second end, a second oblique side (12,12) having a first end and a second end, and a third side (13, 13) connecting the first end of said first oblique side (11, 11) to the first end of said second oblique side (12, 12), at least one coupling element (2) for coupling said first prefabricated panel (1) to said second prefabricated panel (2), a plate key (3), integral with said coupling element (2), configured to rotate said coupling element (2) from a rest position, wherein said prefabricated panels are not coupled by said coupling element, to a locking position, wherein said prefabricated panels are coupled together and locked in a fixed position between them by said coupling element, and vice versa. In particular, each oblique side (11, 12) of said first groove (1A) has respectively a first relief (11A) and a second relief (12A) arranged at the second end of a respective oblique side (11, 12) respectively, and protrudes in such a way as to form respectively a first step (111) and a second step (121) with the respective oblique side, wherein said first relief (111) faces said second relief (121). Each oblique side (11, 12) of said second groove (1A) has respectively a third relief (11A) and a fourth relief (12A) arranged at the second end of a respective oblique side (11, 12) of said second groove (1A) and protrudes to form a third step (111) and a fourth step (121) respectively with the respective oblique side, wherein said third relief (111) faces said fourth relief (121). Said coupling element (2) has a first end part (21), a second end part (22) and a central part (23) arranged between said first end part (21) and said second end part (22), where said first end part (21) protrudes with respect to said central portion (23) so as to form at least a first step (211) and wherein said second end part (22) protrudes with respect to said central portion (23) so as to form at least a second step (221).