Fastening member for elements, a method and a system for manufacturing a fastening member, and an arrangement wherein elements are fastened using a fastening member

Abstract

The invention relates to a fastening member for fastening of elements, which fastening member has at least a first side and a second side, wherein the first side of the fastening member has at least two transversal extensions. The fastening member has at least one longitudinal extension, and at least two holes, in the longitudinal axis of the fastening member. The invention further relates to a system and a method for manufacturing a fastening member used for fastening of elements, and an arrangement and a use for fastening elements.

1 . A fastening member for fastening of elements, which fastening member has at least a first side and a second side, wherein
 the fastening member has at least two holes along the longitudinal axis of the fastening member,   the first side of the fastening member has at least two transversal extensions,   the first side of the fastening member has at least one longitudinal extension, and   the width of a first longitudinal extension of the first side of the fastening member is 0.8-1.2 times a width of the transversal extensions of the first side of the fastening member.   
     
     
         2 . A fastening member according to the  claim 1  for fastening decking boards and/or railstep boards. 
     
     
         3 . A fastening member according to  claim 1 , wherein the fastening member has at least three holes. 
     
     
         4 . A fastening member according to  claim 1 , wherein the length of the first side of the fastening member is at least 45 mm. 
     
     
         5 . A fastening member according to  claim 1 , wherein the fastening member is a wood plastic composite. 
     
     
         6 . A fastening member according to  claim 1 , wherein the fastening member comprises recycled cellulose fibers and recycled plastic polymers. 
     
     
         7 . A fastening member according to  claim 1 , wherein the fastening member comprises at least 90 w-% of recycled materials. 
     
     
         8 . A method for manufacturing a fastening member used for fastening of elements, comprising providing the fastening member with at least a first side and a second side, providing the first side of the fastening member with at least two transversal extensions, wherein the method further comprises:
 providing the first side of fastening member with at least one longitudinal extension;   providing the fastening member with at least two holes along the longitudinal axis of the fastening member; and   manufacturing the fastening member by one of:   an injection moulding process,   a compression moulding process, or   an extrusion process.   
     
     
         9 . A system for manufacturing a fastening member used for fastening of elements, the fastening member comprising at least a first side and a second side, the first side of the fastening member comprising at least two transversal extensions, wherein the first side of the fastening member comprises at least one longitudinal extension and at least two holes along the longitudinal axis of the fastening member; and the system comprises at least one of:
 an extruder,   means for an injection moulding process, and   means for a compression moulding process.   
     
     
         10 . An arrangement for fastening elements, the arrangement comprising
 three elements, and   a fastening member, which has a first side and a second side,   
       wherein
 the first side of the fastening member has two transversal extensions, 
 the first side of the fastening member has at least one longitudinal extension, and 
 the fastening member has at least two holes in the longitudinal axis of the fastening member, 
 
       and in the arrangement:
 the three elements are fastened in such a way that two elements are placed parallel to each other and one element is placed perpendicularly to the two elements, in which arrangement the fastening member is in contact with each of the three elements. 
 
     
     
         11 . An arrangement according to  claim 10 , wherein the elements are decking boards, and in the arrangement the decking boards are fastened in such a way that two of the decking boards are placed parallel to each other and one of the decking boards is placed perpendicularly to the others, wherein the fastening member is in contact with each decking board. 
     
     
         12 . An arrangement according to  claim 10 , wherein the elements comprise two decking boards and one railstep, and in the arrangement the decking boards are placed parallel to each other and the railstep board is placed perpendicularly to the decking boards, wherein the fastening member is in contact with each element. 
     
     
         13 . An arrangement according to  claim 10 , wherein the elements comprise one decking board and two railsteps, and in the arrangement the railsteps are placed parallel to each other and the decking board is placed perpendicularly to the railstep boards, wherein the fastening member is in contact with each element. 
     
     
         14 . A terrace having the arrangement according to  claim 10 . 
     
     
         15 . A method for covering a support rail, the method comprising
 providing a fastening member of  claim 1  and   covering the support rail with the fastening member.