RAFT SECTION Russian patent published in 2012 - IPC B63B35/62 

FIELD: wood working industry.

SUBSTANCE: raft section comprises packets of round timber covered with flexible ties, separate round timber placed between packets of round timber and in parallel to packets of round timber, rigid ties made of round timber with length equal to width of a raft section, and having holes at the ends, flexible ties covering packets of round timber and separate round timber. Flexible joints that cover packets of round timber are connected with rigid ties arranged along the bottom of the raft section.

EFFECT: simplified design and also reduced labour intensiveness and energy intensity of raft section manufacturing and disassembly.

2 dwg