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1. WO1996005917 - GROUND-ENGAGING STRUCTURE

Publication Number WO/1996/005917
Publication Date 29.02.1996
International Application No. PCT/AU1995/000514
International Filing Date 18.08.1995
Chapter 2 Demand Filed 18.03.1996
IPC
B60C 7/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
7Non-inflatable or solid tyres
10characterised by means for increasing resiliency
B60C 7/12 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
7Non-inflatable or solid tyres
10characterised by means for increasing resiliency
12using enclosed chambers, e.g. gas-filled
B62D 55/24 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
55Endless-track vehicles
08Endless-track units; Parts thereof
18Tracks
24of continuously-flexible type, e.g. rubber belts
CPC
B60C 7/102
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
7Non-inflatable or solid tyres
10characterised by means for increasing resiliency
102Tyres built-up with separate rubber parts
B60C 7/12
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
7Non-inflatable or solid tyres
10characterised by means for increasing resiliency
12using enclosed chambers, e.g. gas-filled
B62D 55/24
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
55Endless track vehicles
08Endless track units; Parts thereof
18Tracks
24of continuously flexible type, e.g. rubber belts
Applicants
  • AIRBOSS TYRES PTY. LTD. [AU/AU]; Unit 1 2 Norlin Street Kewdale Western Australia, AU (AllExceptUS)
  • HAYDON, Gregory, Richard [AU/AU]; AU (UsOnly)
  • HARWOOD, Stephen [AU/AU]; AU (UsOnly)
Inventors
  • HAYDON, Gregory, Richard; AU
  • HARWOOD, Stephen; AU
Agents
  • HARWOOD, Errol, John ; Wray & Associates Primary Industry House 239 Adelaide Terrace Perth, W.A. 6000, AU
Priority Data
PM 757319.08.1994AU
PN 047009.01.1995AU
PN 073525.01.1995AU
PN 073625.01.1995AU
PN 137324.02.1995AU
PN 179116.03.1995AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) GROUND-ENGAGING STRUCTURE
(FR) STRUCTURE EN CONTACT AVEC LE SOL
Abstract
(EN)
A cyclically movable ground-engaging structure such as a tyre (10). The tyre (10) comprises a resiliently deformable body (12) having provided therein a plurality of cavities (25) each bounded by a cavity wall (32). The cavities (25) are arranged to assume a cross-sectional configuration upon resilient deformation of the body under normal static load conditions wherein said configuration inhibits formation of zones of high stress concentration at the cavity walls (32). The cross-sectional configuration assumed by each of the cavities (32) upon the resilient deformation of the body may be a closed curve. The configuration of the cavities inhibits deformation of the cavity walls (32) to an extent which would allow wall sections thereof to come into contact one with another. In this way, deformation of the cavity walls (32) to the extent where a tight radius of curvature is formed therein is inhibited.
(FR)
On décrit une structure en contact avec le sol et mobile de façon cyclique telle qu'un pneumatique (10); lequel comprend un corps déformable élastiquement (12) renfermant plusieurs cavités (25) délimitées chacune par une paroi (32) de cavité. Ces cavités (25) sont disposées de façon à adopter une configuration transversale lors de la déformation souple du corps, dans des conditons de charge statique normale, cette configuration prévenant la formation de zones à fortes concentration de contraintes au niveau des parois des cavités (32). La configuration transversale adoptée par chaque cavité (32) lors de cette déformation peut être une courbe fermée. Cette configuration des cavités empêche la déformation de leurs parois (32) dans une mesure telle qu'elle permettrait à certaines de leurs sections de parois d'entrer en contact. On empêche ainsi une déformation de ces parois (32) de cavités telle qu'elles adopteraient un faible rayon de courbure.
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