Patent ID: 6050312
Filing Date: 2000-04-18
Classification: B60C,Y10T

Abstract:
An inner tube for a vehicle tire, comprising:a base made of rubber air balls, said base comprising two opposite outer walls arranged in parallel, two opposite inner walls respectively connected to said outer walls at an inner side, an annular master air chamber connected between said inner walls, a circular center through hole defined within said annular master air chamber, and a plurality of rubber coated breakers fastened to the inside of said outer walls and arranged in a zigzag manner and retained between said outer walls and said inner walls; anda multi-cell tube mounted on said base around said annular master air chamber between said inner walls, said multi-cell tube comprising a plurality of big arched cells and a plurality of small arched cells alternatively arranged around the center thereof, a plurality of rubber blocks respectively made by fastening rubber air balls together and coated with a glue and plugged into said big arched cells, a plurality of glued breakers respectively plugged into said small arched cells, and a layer of patching agent covered over said big arched cells and said small arched cells to seal said rubber blocks and said glued breakers in said big arched cells and said small arched cells.