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1. US20120137761 - Device for monitoring metal wires in a tire

Office United States of America
Application Number 13142386
Application Date 28.12.2009
Publication Number 20120137761
Publication Date 07.06.2012
Grant Number 08789410
Grant Date 29.07.2014
Publication Kind B2
IPC
E FIXED CONSTRUCTIONS
01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
C
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
23
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
G PHYSICS
01
MEASURING; TESTING
M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
17
Testing of vehicles
007
of wheeled or endless-tracked vehicles
02
of tyres
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27
Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
72
by investigating magnetic variables
82
for investigating the presence of flaws
90
using eddy currents
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33
Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
E01C 23/00
G01M 17/02
G01N 27/90
G01N 33/00
CPC
G01M 17/02
G01N 27/9013
G01N 2033/0085
Applicants Dardelin Thierry
Michelin Recherche et Technique S.A.
Alcalde Patrice
Compagnie Generale des Etablissments Michelin
Decitre Jean-Marc
Casula Olivier
Inventors Dardelin Thierry
Alcalde Patrice
Decitre Jean-Marc
Casula Olivier
Agents Cozen O'Connor
Priority Data 08 59166 31.12.2008 FR
Title
(EN) Device for monitoring metal wires in a tire
Abstract
(EN)

The device (18) for checking a tire (14) reinforcing thread comprises: an induction member (68, 70) that induces a magnetic flux (P1, P2; P) in the thread (42a-b; 100; 102), a support (67) supporting the induction member (68, 70) having the overall shape of a U and comprising legs (82, 84) that conduct the magnetic flux (P) into the thread (42a-b; 100; 102), the legs defining a direction of alignment of the device, at least one receiver member (74) that receives the magnetic flux (P1, P2; P) flowing through the thread (42a-b; 100; 102) situated between the legs (82, 84). The dimensions of the receiver member are designed so as to measure only the magnetic flux flowing through the thread (42a-b; 100; 102) when, in operation, the direction of alignment (18) is parallel to the thread (42a-b; 100; 102).