System for joining mullions to transoms by frontal link

Abstract

The system for joining mullions to transoms by frontal link here described uses: transoms ( 3 ) with channels whose longer axis is the vertical axis and mullions provided with at least two seats; each seat is provided with at least one coupling jaw, one holding jaw and one inclined plane; an insert joins the mullion to the transoms; it is formed by a body and a connection beam provided with a coupling jaw. The body of the insert is housed in at least one of the above mentioned channels of the transom; the insert is provided with holes in which screws and dowels are inserted; a spacer is placed between one insert and the one above it in order to separate the transoms vertically; the coupling jaw on the insert joins with the coupling jaw on the mullion; the above mentioned screws engrave the holding jaw of the mullion thus producing horizontal grooves; the dowels prevent the insert from moving within the transom.

1 . System for joining mullions to transoms by frontal link, said system comprising: 
 section bars used to obtain transoms having a body and at least one channel whose longer axis is the vertical axis and whose longitudinal axis is parallel to that of the transoms;    section bars used to obtain mullions having at least two seats whose longitudinal axis is parallel to that of mullions, symmetrical to central beams; in cross section each seat is provided with at least one coupling jaw, one holding jaw, a first inclined plane and a second inclined plane;    inserts each of which is formed by a body and at least one connection beam perpendicular to its body; the body of each insert is able to be housed in at least one of the transom channels whereas the end supplied with the connection beam protrudes from the channel itself; the connection beam is provided with at least one coupling and one holding jaw; each insert is provided with two or more holes, threaded or not, at least one of which is to be located on the insert's body itself and at least another close to the connection beam; these holes hold screws or dowels;    spacers, formed by section bars which are fixed to the mullion by means of joints, gaskets or any other simple fitting methods    a tight plug which closes the ends of each transom; each plug is formed by a body having the same profile as the transom and a support protruding from the body itself, this support is crossed by one or more vertical slits having a clear span of the same size as the body of the insert and by horizontal holes.    wherein, at the time of assembly, a transom, already equipped with a plug and an insert at its extremities, is brought close to a relative mullion, frontally, and a connection beam of each insert is fitted into each of the seats until said coupling jaw of the insert clasps to said coupling jaw of the mullion,    wherein screws are inserted in said holes to engrave said jaw and push said connection beam of the insert against its corresponding inclined plane, and    wherein the tips of the screws use the other inclined plane as a fulcrum to lever on said plug, forcing it to press against the mullion thus preventing water leakage and therefore ensuring a tight system.    
   
   
       2 . Joining system, according to  claim 1 , provided with a holding jaw on the edge of the seat of the mullion.  
   
   
       3 . Joining system, according to  claim 1 , in which each double seat of the mullion is divided into first and second channels by a thin and flexible fin, whose longitudinal axis is parallel to that of the mullion; the coupling jaw and the holding jaw are placed on the fin itself; the coupling jaw facing the first channel and the holding jaw facing the second channel; at the bottom of the second channel, positioned towards the middle of the mullion, a projection creates the first inclined plane; at the bottom of the first channel, placed towards the external side of the mullion, a projection, together with the walls of the first channel, creates a housing.  
   
   
       4 . Joining system, according to  claim 1 , in which body of insert is divided into two parts which are parallel to the transoms, joined together near the beam.  
   
   
       5 . Joining system, according to  claim 1 , in which each insert is also provided with a guiding beam placed perpendicularly to the body and facing the same direction as the connection beam.  
   
   
       6 . Joining system, according to  claim 1 , in which the extremity of the connection beam is constituted by a terminal; this terminal may be complementary or not to the geometry of the above mentioned housing (of the mullion.  
   
   
       7 . Joining system, according to  claim 1 , in which the distal extremity of guiding beam is constituted by a terminal.  
   
   
       8 . (canceled)  
   
   
       9 . Joining system, according to  claim 1 , in which the above mentioned screws or dowels, passing through the holes placed close to the connection beam of the insert engrave a holding jaw, of the mullion thus creating horizontal seats; one or more dowels inserted into the threaded holes of the body of the insert engrave transom walls.  
   
   
       10 . Joining system, according to  claim 1 , in which at least one coupling jaw of the insert joins with at least one coupling jaw of the mullion.  
   
   
       11 . Joining system, according to  claim 1 , in which the spacer is inserted into the seat or in at least one of the channels meant to be joined with the insert.  
   
   
       12 . Joining system, according to  claim 1 , in which the spacer is inserted into a channel of the mullion R which is not meant to be joined with the insert.  
   
   
       13 . Joining system, according to  claim 1 , in which the spacer is provided with at least one coupling jaw which joins with at least one coupling jaw of the mullion.  
   
   
       14 . Joining system, according to  claim 1 , in which the spacer is fastened to the mullion by means of a gasket provided with a relief which fits into a groove of the mullion itself.  
   
   
       15 . Joining method for the assembly of a facade, band frame, movable wall and in general wherever mullions are to be joined to transoms, using a system, according to  claim 1 , comprising the following phases of assembly: 
 equipping the extremities of a transom with a plug and an insert using screws or dowels inserted in holes of body of insert engraving the walls of said transom;    fixing the section bars used to obtain the mullions in the desired position;    bringing the group formed by the transom and the inserts the plug close to two contiguous mullions frontally;    fitting the connection beam of each insert into a seat or channel of the mullion until the coupling jaw of each insert couples with the jaw of the mullion;    fastening a first transom is fastened to two contiguous mullions by means of screws or dowels which pass through the holes placed close to the connection beam of the inserts and through the holes of the plugs said screws acting against the inclined plane as a lever on plug, forcing it to press against the mullion thus ensuring a tight system;    fastening each insert to the transom by means of screws or dowels, which pass through additional holes obtained in the body of the insert itself;    fitting appropriate spacers are fitted into the two mullions above the first two inserts insets or into special channels meant for this purpose;    fastening subsequent transoms as described above; assembly is sequential and upward oriented and continues until the facade, band frame or movable wall is completed.