Method for joining the functional parts of hydraulic or pneumatic working devices, and joining connection
AssigneeDBT GmbH
InventorGuy Zins
Life of this patent
Estimating the term…
Abstract
Joining connections are presented for joining the functional parts of hydraulic or pneumatic operating devices the joining connections including a first part exhibiting an external wall section and a second part exhibiting an internal wall section, which are joined together with mutually overlapping wall sections having depressions that form a cavity, in the connected state that is filled with a fluid casting compound of plastic that connects the two parts together by means of a positive form fit after hardening to prevent relative displacements between the two functional parts and to seal the separating gap clearance between the wall sections of the two functional parts.
Claims15
A joining connection for functional parts of hydraulic or pneumatic operating devices, the joining connection comprising a first part of a hydraulic or pneumatic operating device having an outer wall section and a second part of a hydraulic or pneumatic operating device having an inner wall section, which parts can be joined together and connected to each other with mutually overlapping wall sections, with the sections are overlapping with a transition fit or a clearance fit, wherein both wall sections comprise a depression, which in the connected state form a cavity being filled with a casting compound of plastic, which is plasticised and fluid by means of heating, and which after its hardening or solidification withstands shear force loads of at least 20 N/mm2 and connects the two parts to each other by means of a positive form fit, and wherein one of the parts comprises a filling or injection opening for the casting compound, which opening leads via a casting channel into the corresponding depression.
Dependencies are inferred from the claim text.