ATTACHMENT ELEMENTS

摘要

Attachment elements to be fixed to panel-shaped structural components by a hardenable material including an axially elongated dowel sleeve with a passageway extending from a second end toward a first end. Apertures in the dowel sleeve open from the passageway to the exterior of the sleeve. An axially extending annular part encircles the dowel sleeve. A bag-like member is secured to the annular part and to the dowel sleeve adjacent the first ends thereof. The bag-like member is positioned so that it is located on an inner side of the structural component after the attachment element is inserted through a borehole in the structural component from an outer side thereof. The bag-like member can be filled with a hardenable material providing a gripping action with the inner side of the structural component. The bag-like member, when filled with the hardenable material, has a first side facing the inner side of the structural component and an oppositely facing second side. The bag-like member has openings in the first and second sides with the openings in the first side being larger than the openings in the second side. As a result, when hardenable material is injected into the bag-like member, it flows out through the openings in the first side and supports the bag-like member with large area contact with the inner side of the structural component. Therefore, high anchoring values are achieved with this larger area support.