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1. (WO2018077500) ANNULAR PLUG-IN COUPLING AND METHOD FOR PRODUCING A CONNECTION BETWEEN COMPONENTS WITH THE AID OF THE ANNULAR PLUG-IN COUPLING

Pub. No.:    WO/2018/077500    International Application No.:    PCT/EP2017/069326
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Tue Aug 01 01:59:59 CEST 2017
IPC: F16B 21/07
Applicants: BÖLLHOFF VERBINDUNGSTECHNIK GMBH
Inventors: ARNDT, Andreas
KÖNIG, Michael
Title: ANNULAR PLUG-IN COUPLING AND METHOD FOR PRODUCING A CONNECTION BETWEEN COMPONENTS WITH THE AID OF THE ANNULAR PLUG-IN COUPLING
Abstract:
An annular plug-in coupling 1 which is fastenable in a component opening O of a first component B1 and has the following features: a cylindrical ring structure with a longitudinal axis and a radial inner side and a radial outer side, a fastening structure arranged on the radial outer side of the ring structure with a first and a second undercut acting counter to each other in the longitudinal direction of the ring structure, of which at least the first undercut is movable resiliently in the radial direction, a latching structure which is arranged centrally in the interior of the ring structure and with which a coupling pin of a second component is connectable releasably to the plug-in coupling and which consists of at least three strip-like spring arms, the spring arm width of which is arranged in the longitudinal direction of the ring structure and is greater than a spring arm thickness, the spring arms extend radially inwards in curvilinear form from the radial inner side of the ring structure and each end in a free fastening end, wherein the fastening ends have at least one insertion slope and a clamping region.