Windbreak, business fence anti such as sand and protection from snow

摘要

PROBLEM TO BE SOLVED: To simplify construction work and to reduce the cost of construction by achieving the desired effects by means of materials with relatively low strength. ;SOLUTION: A front fence A and a rear fence B each of which comprises columns, beams, stretchers for protection against wind, sand, snow, etc., and the like are installed doubly at front and rear positions with the required interval L therebetween. For the front and rear fences A, B, a plurality of front columns 1a... and a plurality of rear columns 1b... are erected on a straight line at predetermined intervals (s) to one another. Front and rear upper beams 2a, 2b, front and rear middle beams 3a, 3b, and front and rear lower beams 4a, 4b are horizontally installed between the plurality of front columns 1a... and the plurality of rear columns 1b..., and the stretchers 6a..., 6b... for protection against wind, sand, snow, etc., are extended within a number of front and rear sections 5a..., 5b... which the columns and beams form.;COPYRIGHT: (C)2000,JPO