Channel

Abstract

A channel anchoring device ( 100 ) having predetermined structural properties, for securing construction elements to a metallic structure, the anchoring device ( 100 ) comprising a generally elongate metallic channel rail ( 110 ) having an engagement surface for engagement with a fastener, the fastener providing fixation of a construction element to the channel rail ( 110 ), and a generally elongate metallic fixation member ( 120 ) abutted against and engaged with said channel rail ( 110 ), wherein the fixation member ( 120 ) is engaged with the channel rail ( 110 ), said fixation member being formed from a material suitable for allowing welded fixation of the anchoring device ( 100 ) to a structure. The fixation member ( 120 ) and the channel rail ( 110 ) are engaged by a riveting process such that the predetermined structural properties of the channel rail ( 110 ) are not altered by heat generated during the riveting process; and the fixation member ( 120 ) is sized such that the predetermined structural properties of the channel rail ( 110 ) are not altered by heat generated from welding of the anchoring device ( 100 ) via the fixation member to a structure.

1 . A channel anchoring device having predetermined structural properties, for securing construction elements to a metallic structure, the anchoring device comprising:
 a generally elongate metallic channel rail having an engagement surface for engagement with a fastener, the fastener providing fixation of a construction element to the channel rail;   a generally elongate metallic fixation member abutted against and engaged with said channel rail, said fixation member being formed from a material suitable for allowing welded fixation of the anchoring device to a structure;   characterised in that the fixation member and the channel rail are engaged by a riveting process such that the predetermined structural properties of the channel rail are not altered by heat generated during the riveting process; and   the fixation member is sized such that the predetermined structural properties of the channel rail are not altered by heat generated from welding of the anchoring device via the fixation member to a structure.   
     
     
         2 . A device according to  claim 1 , wherein the fixation member is engaged with the channel rail by a plurality of rivet members extending through the fixation member and through at least a portion of the channel rail. 
     
     
         3 . A device according to  claim 1 , wherein the channel rail is of a hollow “C” cross section having a pair inwardly opposed flanges, said flange being separated so as to allow passage of the shank of a fastener therebetween,
 said fastener having a head of size greater than the shank and sized so as to be disposed within the channel and adapted to abut with engagement surfaces located adjacent the flanges upon being urged against the engagement surfaces upon application of tension to the fastener. 
 
     
     
         4 . A device according to  claim 1 , wherein the channel rail is formed from hot-rolled steel or steel material by a hot rolling process. 
     
     
         5 . A device according to  claim 1 , wherein the fixation member is formed from hot-rolled steel or steel material by a hot rolling process. 
     
     
         6 . A device according to  claim 1 , wherein the engagement surfaces of the flanges includes a plurality of laterally disposed serrations, said plurality of serration extending longitudinally along the length of the channel rail. 
     
     
         7 . A device according to  claim 5 , wherein the fastener is a T-bolt, and the head of T-bolt includes serration adapted for cooperative and complimentary engagement with the serrations of the flanges. 
     
     
         8 . A device according to  claim 6 , wherein the width of the head of the T-bolt is greater than the internal width of the channel rail, so as to prevent continuous rotation of the T-bolt about its axis. 
     
     
         9 . A device according to  claim 1 , wherein the fixation process is a hot riveting process. 
     
     
         10 . A device according to  claim 1 , wherein the channel rail and fixation member each have a corresponding series of apertures extending therethrough, so as to allow passage of the rivets therethrough, a least the apertures of fixation member including a rebated portion to allow a portion of the rivets when forged to be located therein. 
     
     
         11 . A device according to  claim 10 , wherein the rebates is a countersunk or counterbore section. 
     
     
         12 . A channel anchoring device for construction industry, which comprises a channel rail with a hollow interior and a T-bolt, anchor shafts or steel base plates attached onto the exterior surface of the web of the channel rail, the channel anchoring device with anchor shafts is suitable to be embedded into a concrete structure, while the channel anchoring device with steel base plates is suitable to be welded onto a steel structure, the T-bolts are inserted into a gap between the return legs of two flanges of the channel rail;
 characterized in that   the said channel rail with a hollow interior is an anchor channel, preferably manufactured from hot-rolled steel or steel material by the process of hot rolling;   the said flanges of two legs of anchor channel are separated from each other, the width of the gap is slightly larger than the diameter of the shank of inserted T-bolt, and the head of T-bolt is locked within the flanges of two legs of anchor channel;   on the inner surface of the said flanges of two legs of anchor channel, continuously outspread serrations are arranged respectively;   on the lower surface of the said head of T-bolt, continuously outspread serrations are arranged; the serrations of T-bolt head connect with the serrations on the flanges of two legs of anchor channel in an engaged lock.   
     
     
         13 . The channel anchoring device for construction industry according to  claim 12 , characterized that the said anchor shaft attached to the anchor channel has a smooth shaft shank, a shaft base and a shaft head, the shaft head is a protruded one in the shape of disc, whose area is larger than that of the shaft base. 
     
     
         14 . The channel anchoring device for construction industry according to  claim 12 , characterized that the said base of anchor shaft is welded to install onto the web of anchor channel, namely the base is installed onto the exterior face of the web of anchor channel by means of electric arc fusion welding firstly, then the rim of base is attached to the wall of anchor channel by means of fillet welding. 
     
     
         15 . The channel anchoring device for construction industry according to  claim 12 , characterized that the said base plates attached to the anchor channel are in the form of square or rectangle. 
     
     
         16 . The channel anchoring device for construction industry according to  claim 12 , characterized that the said base plates can be attached to the anchor-channel with hot rivets. 
     
     
         17 . The channel anchoring device for construction industry according to  claim 12 , characterized that the said head of T-bolt is a bolt head in the form of parallelogram, the serrations are respectively arranged on the lower surface of two shorter side portions of the bolt head. 
     
     
         18 . The channel anchoring device for construction industry according to  claim 12 , characterized that the serrations of T-bolt head enjoy the same size and tooth space with the serrations on the return legs of two flanges of the anchor channel.