Chequer-brick for vertical cowpers and cowper chequerwork...

F - Mech Eng,Light,Heat,Weapons – 27 – D

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39/93

F27D 1/04 (2006.01) C21B 9/02 (2006.01)

Patent

CA 1240837

A B S T R A C T Chequer-brick for vertical cowpers and cowper chequerwork constructed from these chequer-bricks A chequer-brick (20, 22) of cruciform shape is provided for the chequerwork of vertical cowpers. The brick (20, 22) comprises two cross-beams (11, 12) of different breadth and the same length with four recesses (13, 14, 15, 16) arranged in the points of the cross respectively and a further centrally located recess (17). The bricks (20, 22) are laid one on top of the other so that the recesses and the intersections between the cross- beams form vertical conduits.

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