TH191C3 - Prefabricated ponds made of reinforced concrete - Google Patents

Abstract

Prefabricated Man Hole, made of Reinforced Concrete, the bottom wall or bottom of the well is square or rectangular. There are four side walls surrounding the upper area to open and close later. There are 2 to 4 sides on the side wall to connect to the drain. The upper part is an inverted U-shape, like the sewer cross-section. Awaiting a petty patent The lower part of the openings so that the drain can be inserted through the bottom of the Artificial manholes In other words, the finished manhole can be lowered from above. To connect to the sewer

Claims (1)

1. Ready-made ponds Made of reinforced concrete Rectangle With an open top On the side walls that are at least opposite each other One pair has an inverted U-shaped opening corresponding to the prefabricated drain pipe to cover both sides of the finished drain so that the end of the finished drain will be in the same plane as the wall surface. The bottom of the pond.