公开(公告)号：US20210348449A1

公开(公告)日：2021-11-11

申请号：US15734646

申请日：2019-06-05

Applicant: PETROLEO BRASILEIRO S.A. - PETROBRAS

Inventor： Bruno PINHO DOS REIS ,  Ricardo WAGNER CAPLLONCH ,  Flavio BARROSO DE MELLO ,  Claudio VIOLANTE FERREIRA

IPC: E21B17/01 ,  E21B17/08

Abstract: The present invention provides a system for coupling between a bend stiffener (1) and a bell month (2) comprising a plurality of locking mechanisms (3), wherein each locking mechanism (3) is secured externally to the bell mouth (2) and comprises a movable lug (30) positioned such as to slope downwards, in which the lug (30) accesses the interior of the bell mouth (2) and is actuated by an elastic element (34) designed to exert pressure on the lug (30) in the direction of the interior of the bell mouth (2).