公开(公告)号：US11448321B2

公开(公告)日：2022-09-20

申请号：US16527394

申请日：2019-07-31

Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

Inventor： Jan Kustermans ,  Benny Proost ,  Gabriele Tittonel ,  Herman M. Dubois ,  Philippe Burlot ,  Andrea Maffezzoli ,  Shabarish Nunna ,  Andreas Vanvaerenbergh ,  Filip Rousseau

IPC: F16J15/3284 ,  F16K5/06

Abstract: A seal for a ball valve comprising a resilient ring defining an engagement feature; a first polymer ring disposed adjacent to a first axial end of the resilient ring and coupled with the engagement feature; and a second polymer ring disposed adjacent to a second axial end of the resilient ring and coupled with the engagement feature.