Title:
EXPANDING/CONTRACTING DEVICE FOR FLEXIBLE CONTAINER, AND EXPANDING METHOD FOR THE CONTAINER, TIRE, AND WHEEL AND INNER TUBE FOR THE TIRE
Document Type and Number:
Japanese Patent JP2000108609
Kind Code:
A
Abstract:
To provide an expanding/contracting device for a flexible container having no element for connecting an inner capacity of the container and an outer environment, in the expanding/contracting device for the flexible container inserted in a wall of the container.
An expanding/contracting device 14 for an inner tube and the inner tube 4 having the device 14 therein are provided. The inner tube 4 can elastically expand to introduce fluid into a inner capacity thereof, and can be stored in a space between a tire 2 and a rim 3 where the inner tube 4 is separated from an outer environment of air pressure. The device 14 has no element connecting the inner capacity of the inner tube 4 and the outer environment of a wheel.
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Inventors:
CARETTA RENATO
VOLPI ALESSANDRO
CANTU MARCO
VOLPI ALESSANDRO
CANTU MARCO
Application Number:
JP4074299A
Publication Date:
April 18, 2000
Filing Date:
February 19, 1999
Export Citation:
Assignee:
PIRELLI PNEUMATICI SPA
International Classes:
B60B21/02; B60C5/02; B60C5/22; B60C15/00; B60C5/04; B60C15/02; B60C15/05; B60C15/06; B60C19/00; B60C29/00; (IPC1-7): B60C5/04; B60C5/02; B60C5/22
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)