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.

Date of Patent:
Mar. 09, 2021

Filed:

Dec. 07, 2016
Applicants:

Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;

Association Pour LA Recherche ET Le Developpement Des Methodes ET Processus Industriels (Armines), Paris, FR;

Inventors:

Jose Merino Lopez, Clermont-Ferrand, FR;

Frédéric Pialot, Clermont-Ferrand, FR;

Nathalie Coste, Clermont-Ferrand, FR;

Jean-Jacques Letourneau, Gragnague, FR;

Jacques Fages, Albi, FR;

Martial Sauceau, Saint-Juery, FR;

Assignees:

COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;

ARMINES, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 17/04 (2006.01); B01J 3/00 (2006.01); B29B 7/94 (2006.01); B29B 7/74 (2006.01); B29B 7/40 (2006.01); B29B 7/16 (2006.01); B29B 9/12 (2006.01); B29B 17/02 (2006.01); B29K 21/00 (2006.01); B29L 30/00 (2006.01);
U.S. Cl.
CPC ...
B29B 17/0404 (2013.01); B01J 3/008 (2013.01); B29B 7/16 (2013.01); B29B 7/40 (2013.01); B29B 7/7495 (2013.01); B29B 7/94 (2013.01); B29B 9/12 (2013.01); B29B 17/02 (2013.01); B29B 2009/125 (2013.01); B29B 2017/0428 (2013.01); B29K 2021/00 (2013.01); B29L 2030/00 (2013.01); Y02P 20/54 (2015.11); Y02W 30/62 (2015.05);
Abstract

A process for manufacturing rubber crumb comprises the following steps: (a) suspending rubber granules having a given size in an autoclave () containing a supercritical fluid; (b) agitating the mixture for a predetermined time at constant pressure and constant temperature; (c) carrying out an isenthalpic expansion of the mixture from step (b) by spraying it through a nozzle ().


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