公开(公告)号：US10550562B2

公开(公告)日：2020-02-04

申请号：US15766721

申请日：2016-10-07

Applicant: Wavin B.V.

Inventor： Silas Rudolf Boxum

IPC: E03F5/02 ,  E03F5/00 ,  E03F3/04

Abstract: Inspection chamber for a pipe structure for drainage or sewerage, the chamber having an inspection entrance at a first side for connecting up with an inspection shaft, the chamber further being provided with a feet-structure at a second side, the first side and the second side being opposite sides of the inspection chamber, the feet-structure comprising at least two feet which are in combination configured for: stabilizing the inspection chamber when positioned on a supporting ground in such a way that the inspection entrance is at an upper position, therewith hindering sideways falling of the inspection chamber; and maintaining the manufactured shape of the inspection entrance of another one of such an inspection chamber when the feet-structure is placed in a mating position with the inspection entrance of that other one of such an inspection chamber, for instance during storage and/or transport thereof; and of which each foot itself is configured for: resisting sinking of the inspection chamber into a sandy ground when positioned on such a sandy ground in such a way that the inspection entrance is at an upper position.

公开(公告)号：US20180291609A1

公开(公告)日：2018-10-11

申请号：US15766721

申请日：2016-10-07

Applicant: Wavin B.V.

Inventor： Silas Rudolf Boxum

IPC: E03F5/02

CPC classification number: E03F5/027

Abstract: Inspection chamber for a pipe structure for drainage or sewerage, the chamber having an inspection entrance at a first side for connecting up with an inspection shaft, the chamber further being provided with a feet-structure at a second side, the first side and the second side being opposite sides of the inspection chamber, the feet-structure comprising at least two feet which are in combination configured for: stabilizing the inspection chamber when positioned on a supporting ground in such a way that the inspection entrance is at an upper position, therewith hindering sideways falling of the inspection chamber; and maintaining the manufactured shape of the inspection entrance of another one of such an inspection chamber when the feet-structure is placed in a mating position with the inspection entrance of that other one of such an inspection chamber, for instance during storage and/or transport thereof; and of which each foot itself is configured for: resisting sinking of the inspection chamber into a sandy ground when positioned on such a sandy ground in such a way that the inspection entrance is at an upper position.