Joint edge protection apparatus - fully bridged wave plates

Abstract

A joint edge protection apparatus for protecting an edge of a first component formed of settable material and an edge of a second component formed of settable material at a joint, wherein the apparatus includes a first anchorage part for anchoring within the first component and a second anchorage part for anchoring within the second component, a first plate coupled to the first anchorage part, a second plate coupled to the second anchorage part, the first plate defining a first abutment surface, the second plate defining a second abutment surface, wherein the first abutment surface and the second abutment surface are shaped to facilitate abutment of at least a portion of the second abutment surface against the first abutment surface, and wherein the second anchorage part is adapted to be movable relative to the first anchorage part from an abutting configuration in which at least a portion of the second abutment surface is in abutment with the first abutment surface to a spaced configuration in which the second abutment surface is spaced relative to the first abutment surface, wherein the first anchorage part defines a support surface to support the second plate as the second anchorage part is moved between the abutting configuration and the spaced configuration, and wherein, in the abutting configuration an interface between the first abutment surface and the second abutment surface is offset relative to an interface between the first anchorage part and the second anchorage part such that the interface of the first abutment surface and the second abutment surface is positioned above the support surface.

1 . A joint edge protection apparatus for protecting an edge of a first component formed of settable material and an edge of a second component formed of settable material at a joint, the joint edge protection apparatus comprising:
 a first anchorage part anchorable within the first component;   a second anchorage part anchorable within the second component;   a first plate coupled to the first anchorage part, the first plate defining a first abutment surface;   a second plate coupled to the second anchorage part, the second plate defining a second abutment surface;   wherein the first abutment surface and the second abutment surface are shaped to facilitate abutment of at least a portion of the second abutment surface against the first abutment surface,   wherein the second anchorage part is movable relative to the first anchorage part from an abutting configuration in which at least a portion of the second abutment surface is in abutment with the first abutment surface to a spaced configuration in which the second abutment surface is spaced relative to the first abutment surface,   wherein the first anchorage part defines a support surface to support the second plate as the second anchorage part is moved between the abutting configuration and the spaced configuration, and   wherein, in the abutting configuration an interface between the first abutment surface and the second abutment surface is offset relative to an interface between the first anchorage part and the second anchorage part such that the interface of the first abutment surface and the second abutment surface is positioned above the support surface.   
     
     
         2 . The joint edge protection apparatus of  claim 1 , wherein the first abutment surface and the second abutment surface are correspondingly shaped to facilitate abutment of the second abutment surface against the first abutment surface, such that in the abutting configuration the second abutment surface is in abutment with the first abutment surface. 
     
     
         3 . The joint edge protection apparatus of  claim 1 , wherein the first abutment surface and the second abutment surface are each correspondingly shaped with a wave shape to facilitate abutment of the second abutment surface against the first abutment surface. 
     
     
         4 . The joint edge protection apparatus of  claim 3 , wherein the wave shape of the first abutment surface is matched to the wave shape of the second abutment surface to facilitate continuous abutment in the abutting configuration. 
     
     
         5 . The joint edge protection apparatus of  claim 3 , wherein the wave shape of the first abutment surface is mismatched to the wave shape of the second abutment surface to facilitate periodic abutment in the abutting configuration. 
     
     
         6 . The joint edge protection apparatus of  claim 1 , which is arranged such that a gap between the first abutment surface and the second abutment surface, throughout a range of movement, is located above said support surface such that the gap is fully spanned by the support surface. 
     
     
         7 . The joint edge protection apparatus of  claim 6 , wherein the gap is fully bridged by the support surface such that contaminants are prevented from entering the joint between the first component and the second component. 
     
     
         8 . The joint edge protection apparatus of  claim 7 , wherein the fully bridged gap provides a well for application of joint material. 
     
     
         9 . The joint edge protection apparatus of  claim 8 , wherein the joint material is in the form of a joint epoxy and/or sealant. 
     
     
         10 . The joint edge protection apparatus of  claim 6 , wherein said range of movement corresponds to a gap between the first abutment surface and the second abutment surface being between 0 mm and 20 mm. 
     
     
         11 . The joint edge protection apparatus of  claim 1 , wherein said offset, in use, results in the interface between the first abutment surface and the second abutment surface being offset from a center of the joint between the first component and the second component. 
     
     
         12 . The joint edge protection apparatus of  claim 1 , wherein the first anchorage part includes a first lacer bar supported by a first series of spaced ribs. 
     
     
         13 . The joint edge protection apparatus of  claim 12 , wherein the second anchorage part includes a second lacer bar supported by a second series of spaced ribs. 
     
     
         14 . The joint edge protection apparatus of  claim 12 , wherein the first lacer bar is in the form of a rail. 
     
     
         15 . A joint edge protection apparatus for protecting an edge of a first component formed of settable material and an edge of a second component formed of settable material at a joint, the joint edge protection apparatus comprising:
 a first anchorage part anchorable within the first component, the first anchorage part including a first plate, the first plate defining a first interface surface; and   a second anchorage part anchorable within the second component the second anchorage part including a second plate, the second plate defining a second interface surface,   wherein the first interface surface and the second interface surface are shaped to facilitate abutment of at least a portion of the second interface surface against the first interface surface,   wherein the second anchorage part is movable relative to the first anchorage part from an abutting configuration in which at least a portion of the second interface surface is in abutment with the first interface surface to a spaced configuration in which the second interface surface is spaced relative to the first interface surface,   wherein the first interface surface and the second interface surface are each shaped with a wave shape, and   wherein the wave shape of the first interface surface is mismatched to the wave shape of the second interface surface to facilitate periodic abutment of the second interface surface against the first interface surface in the abutting configuration.