Injection bolt with a fixed static mixer

摘要

The invention provides an injection bolt for use in securing a rock mass having: a shaft for insertion into a hole in the rock mass which shaft has a profile and forms a profiled internal bore which bore has an inlet suitable for connection to an anchoring material pump and an outlet for injecting anchoring material into the hole in the rock mass; and a static mixer for mixing multiple components of the anchoring material; wherein the internal bore comprises the static mixer which is fixed in place by the profile; and a method for its production.