公开(公告)号：US20170314544A1

公开(公告)日：2017-11-02

申请号：US15493402

申请日：2017-04-21

Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

Inventor： Flavien FREMY ,  Alban LETAILLEUR ,  Charles S. GOLUB

IPC: F04B43/00 ,  F04B45/06 ,  F16L11/04 ,  F16L11/12

Abstract: A tube can include a sidewall defining a lumen profile. The sidewall can include a plurality of alternating thin regions and thick regions. The lumen profile can include a plurality of alternating large radius and small radius regions. The thin regions or large radius regions can include elastic instabilities adapted to form an essentially complete closure of the lumen profile at minimal compression.