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US 6,752,940 B2Granted
Method for recycling wasted tires
OwnerSemi Kaoinventor
Life of this patent
Estimating the term…
Abstract
A method for recycling wasted tires comprises the steps of: A. Mixing pellets of the wasted tires and natural rubber and pressing the mixture repeatedly till the mixture is heating. B. Stirring the mixture to make it well mixed. C. Rolling the mixture to a piece-like element. D. Adding some sulfur into the mixture and foaming the mixture to a foamed pad, whereby an air pressure is produced in the foaming procedure to force the pellets of the wasted tires fixedly fastening to the foamed rubber. E. Cooling the foamed pad.
Claims5
A method for recycling wasted tires, comprising the steps of:
- a) mixing pellets of the wasted tires with natural rubber to be a mixture and pressing said mixture repeatedly;
- b) rolling said mixture;
- c) attaching said rolled mixture to a foamed rubber member;
- d) adding sulfur into said mixture and foaming said mixture to a foamed pad, whereby said pellets of the wasted tires are forced to fixedly fasten to said natural rubber in the forming process, and
- e) cooling said foamed pad.
2 more elements
A method for recycling wasted tires, comprising the steps of:
- a) mixing pellets of the wasted tires with 0.152% natural rubber, 0.1% synthetic rubber 0.3% filler, 0.1775% reinforcing agent, 0.13% softener, 0.007% dispersing agent, 0.015% vulcanization agent, 0.032% blowing agent, 0.011% accelerator, 0.012% antioxidant and 0.0635% pigment to be a mixture and pressing said mixture repeatedly;
- b) rolling said mixture;
- c) adding sulfur into said mixture and foaming said mixture to a foamed pad, whereby said pellets of the wasted tires are forced to fixedly fasten to said natural rubber in the forming process, and
- d) cooling said foamed pad.
1 more element
Dependencies are inferred from the claim text.