V letter die gradient attaching gurechingu

摘要

(57) Abstract Topic As for this device, in the channel of the concrete make which has gradient,There is a guttation Characteristic and gurechingu whose opening and closing is easy can be laidIt is something which designates that the sea urchin it does as purpose. SolutionsIn order to achieve the above-mentioned purpose, gradient was providedTo install gurechingu in piling material 3, gurechinguCover plate 4 of the projection attaching which is formed in V letter die, the grayTo install on that stiffening rib 5 where it provides on chingu, layingThe difference in level of the boundary section of gurechingu and the sidewalk etc which are done is made to cancel,ru thing is featured.