Grouting tube e.g. for concrete building components, has flexible base hose and covering enclosing coaxially base hose which has radial holes in its hose wall

摘要

The tube (1) has a flexible base hose and a covering (4) enclosing coaxially the base hose. The hose has radial holes in its hose wall. The covering (4) is provided in such a way that the grouting is supplied by way of the base hose and the radial holes and permeable from the inside outward, for foreign matter such as concrete components, but from outside to inside is impermeable. The base hose is designed as a multi-channel profile.