Clamping frame for forming flood-protection device for public sewer system in house, has adjusting rods which are arranged at opposite sides of inner wall of inspection shaft for adjusting length and tension of inspection shaft

摘要

The clamping frame (12) has a terminal adapter (14) which is connected to sewage line opening (4c,4d) at an inner wall (5e-2) of inspection shaft. A length and tension adjusting rod (18) is arranged at opposite sides of inner wall of inspection shaft for adjusting the length and tension of inspection shaft. Independent claims are included for the following: (1) flood-protection device; and (2) method for forming flood-protection device.