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    • 2. 发明专利
    • Pipe for improving soil
    • 改善土壤的管道
    • JPS61142213A
    • 1986-06-30
    • JP26482584
    • 1984-12-14
    • Matsushita Electric Works Ltd
    • YAMAMOTO TOMIZO
    • E02B11/00E02D3/10
    • E02B11/005
    • PURPOSE:To make easier construction work of soil-improving pipes by a method in which granular aggregate is bonded to the periphery of a pipe with water- passing holes to form a soil-improving pipe. CONSTITUTION:A water permeable sheet 4 is set with a spacing on the periphery of a pipe 2 with many water-passing holes 1, and granular aggregate 3 is packed into the space between the sheet 4 and the pipe 2 to make up a soil-improving pipe A. When the pipe A is buried under the ground, water under the ground flows through the sheet 4, the aggregate 3, and the holes 1 into the pipe A and drained.
    • 目的:通过将颗粒聚集体与带有通水孔的管道周边结合形成土壤改良管道的方法,使土壤改良管道的施工工作更简单。 构成:水分通过片4在具有多个通水孔1的管2的周围设置间隔,并且颗粒状聚集体3被填充到片材4和管2之间的空间中,以构成土壤 - 改善管道A.当管道A埋在地下时,地下的水流经片材4,骨料3和孔1进入管道A并排出。
    • 7. 发明专利
    • Production for drain pipe for culvert
    • 排水管生产用于CULVERT
    • JPS6176355A
    • 1986-04-18
    • JP19992184
    • 1984-09-25
    • Matsushita Electric Works Ltd
    • YAMAMOTO TOMIZO
    • F16L11/12B29C69/00B29D23/00
    • B29D23/001
    • PURPOSE:To prevent soil and sand from plugging up drain holes or penetrating into a pipe and ensure smooth draining, by a method wherein half pipe bodies of a pipe intermediate are provided with drain holes in their flat surface part near a joint part thereof, and the pipe intermediate is bent at the joint part into a cylindrical form by opposing the flat surface parts to each other. CONSTITUTION:The pipe intermediate 2 is provided which comprises the half pipe bodies 1 roughly semi-circular in cross section and jointed to each other at side edge parts thereof in such a manner as to form a flat surface part. The flat surface parts 4 of the half bodies 1 are provided with the drain holes 5 near the joint part 3. The intermediate 2 is bent at the joint part 3 into a cylindrical form with the flat surface parts 4 opposed to each other, thereby forming a pumping-up part 6 opened on the lower side. Accordingly, since the drain holes 5 are located at upper parts of side walls of the pumping-up part 6, earth can be prevented from penetrating into the drain holes 5, and since the drain holes 5 are provided at the stage of the pipe intermediate 2, the holes 5 can be easily provided. In addition, since the lower parts of the half bodies 1 constituting draining parts 7 are in the form of deep grooves, smooth draining can be ensured.
    • 目的:为了防止砂土堵塞排水孔或渗入管道,确保排水畅通,其中管道中间体的半管体在其平坦表面部分靠近其接合部分设置排水孔的方法,以及 管中间体通过使平坦表面部彼此相对地在接合部处弯曲成圆柱形。 构成:设置管中间体2,其包括半管体1,其横截面为大致半圆形,并以其侧边部分彼此接合,以形成平坦表面部分。 半体1的平面部4在接合部3附近设置有排水孔5.中间体2在接合部3处弯曲成圆筒状,平面部4彼此相对,从而形成 在下侧开口的抽风部6。 因此,由于排水孔5位于排气部6的侧壁的上部,因此能够防止排水孔5渗入排水孔5,由于排水孔5设置在管路中间部 如图2所示,能够容易地设置孔5。 此外,由于构成排水部7的半体1的下部形成为深槽,因此能够确保平滑排水。