logo

For the Inventor, By the Inventor

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.:

US 12304112 B1

PDFFull Text
Date of Patent:
May. 20, 2025

Filed:

Jun. 21, 2018

Installation and method for coextrusion

Applicant:

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

Inventors:

Christophe Ougier, Clermont-Ferrand, FR;

Arnaud Letocart, Clermont-Ferrand, FR;

Assignee:

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

Attorneys:

Dickinson Wright PLLC

Steven C. Hurles

Primary Examiner:

Christopher M Rodd

Assistant Examiner:

Shibin Liang

Int. Cl.
CPC ...
B29C 48/21 (2019.01); B29B 7/74 (2006.01); B29C 48/285 (2019.01); B29C 48/37 (2019.01); B29C 48/375 (2019.01); B29C 48/49 (2019.01); B29C 48/07 (2019.01); B29C 48/16 (2019.01); B29C 48/92 (2019.01); B29K 21/00 (2006.01); B29L 30/00 (2006.01);
U.S. Cl.
CPC ...
B29B 7/7495 (2013.01); B29C 48/21 (2019.02); B29C 48/2888 (2019.02); B29C 48/37 (2019.02); B29C 48/387 (2019.02); B29C 48/49 (2019.02); B29C 48/07 (2019.02); B29C 48/16 (2019.02); B29C 48/286 (2019.02); B29C 48/92 (2019.02); B29C 2948/92885 (2019.02); B29K 2021/00 (2013.01); B29L 2030/002 (2013.01);
Abstract

The installation is for producing a coextruded profiled element for tires that is made from rubber compounds of different compositions. The installation includes at least one first extruder having a screw with a longitudinal axis and at least one second extruder having a screw with a different longitudinal axis. An extrusion head is connected to each of the extruders by appropriate ducts. The feed inlet of each extruder is connected to the delivery orifice of a gear pump.

Find Patent Forward Citations

Quick Actions:

Ougier, Christophe. (2025). Installation and method for coextrusion (U.S. Patent No. 12304112). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12304112

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…