The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 2020
Filed:
Apr. 21, 2017
Applicant:
Saint-gobain Performance Plastics Corporation, Solon, OH (US);
Inventors:
Flavien Fremy, Brookline, MA (US);
Alban Letailleur, Paris, FR;
Charles S. Golub, Westford, MA (US);
Assignee:
SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/00 (2006.01); F04B 43/00 (2006.01); F04B 45/06 (2006.01); F16L 11/12 (2006.01);
U.S. Cl.
CPC ...
F04B 43/0072 (2013.01); F04B 45/06 (2013.01); F16L 11/121 (2013.01);
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.