Block for the mortarless construction of a wall

A tongue and mortise block, for use in the construction of a wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face, said tongue and mortise block comprising

• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining drainage face portion, said drainage face portion connecting the tongue interlock element to the front face,
• said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion connecting the mortise interlock element to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when said tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue interlock element of the underlying like, block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited,
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element and the rear face thereof, and
• the forward face portion of the bottom face of said tongue and mortise block and the drainage face portion of the top face of the underlying, like, block are spaced apart and define side walls of a drainage air gap therebetween.

A tongue and mortise block, for use in the construction of a wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face,

• said tongue and mortise block comprising
• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining drainage face portion, said declining drainage face portion comprising a ledge element and a top intermediate face element, said top intermediate face element connecting the tongue interlock element to the ledge element, said ledge element connecting the top intermediate face element to the front face,
• said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion comprising a foot element and a bottom intermediate face element, said bottom intermediate face element connecting the mortise interlock element to the foot element, said foot element connecting the bottom intermediate face element to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when said tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue inter lock element of the underlying, like, block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited,
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element and the rear face thereof, the foot element of the forward face portion of said tongue and mortise block engages the ledge element of the underlying, like, block, and
• the bottom intermediate face element of said tongue and mortise block and the top intermediate face element of the underlying, like, block are spaced apart and define side walls of a drainage air gap there between.

A tongue and mortise block, for use in the construction of a wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face,

• said tongue and mortise block comprising
• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining drainage face portion, said declining face portion comprising a ledge element and a top intermediate face element, said top intermediate face element connecting the tongue interlock element to the ledge element, said ledge element connecting the top intermediate face element to the front face,
• said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion connecting the mortise interlock element to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when said tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue interlock element of the underlying, like, block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited, and
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element and the rear face thereof, and
• wherein said ledge element and said top intermediate face element of said tongue and mortise block are disposed such that the ledge element and the top intermediate face element thereof define an obtuse angle therebetween and when said tongue and mortise block and the underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block, the ledge element is disposed such that the wall face and the ledge element define an acute angle therebetween and the top intermediate face element is disposed such that the wall face and the top intermediate face element define an acute angle therebetween.

A tongue and mortise block, for use in the construction of a wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face

• said tongue and mortise block comprising
• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining drainage face portion, said declining drainage face portion comprising a ledge element and a top intermediate face element, said top intermediate face element connecting the tongue interlock element to the ledge element, said ledge element connecting the top intermediate face element to the front face,
• said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion comprising a foot element and a bottom intermediate face element, said bottom intermediate face element connecting the mortise interlock element to the foot element, said foot element connecting the bottom intermediate face element to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when said tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue interlock element of the underlying, like, block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited,
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element and the rear face thereof,
• the foot element of the forward face portion of said tongue and mortise block engages the ledge element of the underlying, like, block, and
• the bottom intermediate face element of said tongue and mortise block and the top intermediate face element of the underlying, like, block are spaced apart and define side walls of a drainage air gap therebetween, and
• wherein said ledge element and said top intermediate face element of said tongue and mortise block are disposed such that the ledge element and the top intermediate face element thereof define an obtuse angle therebetween and when said tongue and mortise block and the underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block, the ledge element is disposed such that the wall face and the ledge element define an acute angle therebetween and the top intermediate face element is disposed such that the wall face and the top intermediate face element define an acute angle therebetween.

A wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face, each said tongue and mortise block comprising:

• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining face portion, said declining face portion connecting the tongue interlock element to the front face, said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion connecting the mortise interlock element to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when a tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue interlock element of the underlying block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited, and
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element thereof, and
• wherein at least some of said tongue and mortise blocks include means for allowing the attachment thereof to a support means disposed opposite the rear face thereof and at least some of said tongue and mortise blocks which are provided with means for the attachment thereof to said support means are attached to said support means by respective attachment means exploiting respective means for allowing attachment thereof to the support means.

A wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face,

• each said tongue and mortise block comprising:
• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining face portion, said declining face portion comprising a ledge element and a top intermediate face element, said top intermediate face element connecting the tongue interlock element to the ledge element, said ledge element connecting the top intermediate face element to the front face,
• said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion comprising a foot element and a bottom intermediate face element, said bottom intermediate face element connecting the mortise interlock element to the foot element, said foot element connecting the bottom intermediate face element to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when a tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue interlock element of the underlying, like, block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited,
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element thereof,
• the foot element of the forward face portion of said tongue and mortise block engages the ledge element of the underlying, like, block
• and
• wherein at least some of said tongue and mortise blocks include means for allowing the attachment thereof to a support means disposed opposite the rear face thereof and at least some of said tongue and mortise blocks which are provided with means for allowing the attachment thereof to said support means are attached to said support means by respective attachment means exploiting respective means for allowing attachment thereof to the support means.

A wall wherein a plurality of like tongue and mortise blocks are stacked in successive mortarless overlapping courses so as to define a wall face thereof,

• each said tongue and mortise block comprising:
• two side ends spaced apart by
• a top face
• a bottom face
• a front face and
• a rear face
• said top face comprising a tongue interlock element and a declining drainage face portion, said declining drainage face portion comprising a ledge element and a top intermediate face element, said top intermediate face element connecting the tongue interlock element to the ledge element, said ledge element connecting the top intermediate face element to the front face,
• said bottom face comprising a mortise interlock element and a forward face portion, said forward face portion comprising a foot element and a bottom intermediate face element, said bottom intermediate face element connecting the mortise interlock element to the foot element, said foot element connecting the bottom intermediate element face to the front face,
• said two side ends, said top face, said bottom face, said front face and said rear face being configured such that, when a tongue and mortise block and an underlying, like, block form part of the wall and the bottom face of said tongue and mortise block engages the top face of the underlying, like, block such that the front face of said tongue and mortise block defines a portion of the wall face,
• the tongue interlock element of the underlying, like, block registers in the mortise interlock element of said tongue and mortise block so as to interlock both blocks such that relative forward and rearward displacement is inhibited,
• the front face of said tongue and mortise block is vertically offset downwardly relative to the tongue element thereof,
• the foot element of the forward face portion of said tongue and mortise block engages the ledge element of the underlying, like, block, and the bottom intermediate face element of said tongue and mortise block and the top intermediate face element of the underlying, like, block are spaced apart and define side walls of a drainage air gap therebetween,
• and
• wherein at least some of said tongue and mortise blocks include means for allowing the attachment thereof to a support means disposed opposite the rear face thereof and at least some of said tongue and mortise blocks which are provided with means for allowing attachment thereof to said support means, are attached to said support means by respective attachment means exploiting respective means for allowing attachment thereof to the support means.