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1. (EP1738932) Run flat assembly comprising a soft insert and improved airtight membranes

Office : European Patent Office
Application Number: 06116207 Application Date: 28.06.2006
Publication Number: 1738932 Publication Date: 03.01.2007
Publication Kind : B1
Designated States: AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR
IPC:
B60C 17/06
B60C 17/02
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
C
VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
17
Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
04
utilising additional non-inflatable supports which become load-supporting in emergency
06
resilient
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
C
VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
17
Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
01
utilising additional inflatable supports which become load-supporting in emergency
02
inflated or expanded in emergency only
CPC:
B60C 17/06
B60C 17/044
B60C 17/065
Applicants: MICHELIN SOC TECH
MICHELIN RECH TECH
Inventors: TRAMOND PHILIPPE
FAYOL MARTIAL
BOR GERARD
MOREL NOEL
Priority Data: 0506751 30.06.2005 FR
Title: (DE) Notlaufsystem mit einem wurstähnlichen Schaumstoff und verbesserten luftdichten Membranen
(EN) Run flat assembly comprising a soft insert and improved airtight membranes
(FR) Ensemble de roulage à plat comprenant un boudin mousse et des membranes étanches perfectionnées
Abstract: front page image
(EN) The assembly has a rim equipped with an inflation valve (4) and rim seats (31a, 31b) designed to receive a set of beads of a tire (2). A foam insert is disposed in a compartment in communication with an atmosphere via a duct and isolated in airtight manner by a flexible membrane (51). A circular bearing surface is situated in vicinity of rim seats in a space located axially between each rim seat and zone of the rim. Edges of the membrane form an airtight joint with the circular bearing surface.
Also published as:
JP2007008469FR2887820