Airspring
AssigneeThe Goodyear Tire & Rubber Company
InventorsRandal Howard Kerstetter, III, Terry Frank Allen, Samson Samuel Apticar
Life of this patent
Estimating the term…
Abstract
The present invention is directed to an airspring having an airsleeve comprising an elastomeric liner; a reinforcing layer overlaying the liner; and a colorable elastomeric cover overlaying the reinforcing layer; the cover comprising: 100 parts by weight of elastomer comprising from about 30 to about 50 parts by weight of natural rubber, from about 10 to about 30 parts by weight of polybutadiene, and from about 30 to about 50 parts by weight of ethylene propylene diene terpolymer (EPDM); from about 20 to about 60 parts by weight, per 100 parts by weight of elastomer, of silica; and from about 1 to about 10 parts by weight, per 100 parts by weight of elastomer, of an organosilane polysulfide.
Claims16
An airspring having an airsleeve comprising an elastomeric liner;
- a reinforcing layer overlaying the liner;
- and a colorable elastomeric cover overlaying the reinforcing layer;
- the cover comprising:
- 100 parts by weight of elastomer comprising from about 30 to about 50 parts by weight of natural rubber, from about 10 to about 30 parts by weight of polybutadiene, and from about 30 to about 50 parts by weight of ethylene propylene diene terpolymer (EPDM);
- from about 20 to about 60 parts by weight, per 100 parts by weight of elastomer, of silica;
- and
- from about 1 to about 10 parts by weight, per 100 parts by weight of elastomer, of an organosilane polysulfide.
An airspring having an airsleeve comprising an elastomeric liner;
- a reinforcing layer overlaying the liner;
- and a colorable elastomeric cover overlaying the reinforcing layer;
- the cover comprising:
- 100 parts by weight of elastomer comprising from about 30 to about 50 parts by weight of natural rubber, from about 10 to about 30 parts by weight of polybutadiene, and from about 30 to about 50 parts by weight of ethylene propylene diene terpolymer (EPDM);
- from about 20 to about 60 parts by weight, per 100 parts by weight of elastomer, of silica;
- and
- from about 1 to about 10 parts by weight, per 100 parts by weight of elastomer, of an organosilane polysulfide;
- from about 1 to about 5 parts by weight, per 100 parts by weight of elastomer, of triethanolamine;
- and
- a colorant;
- and
- wherein the cover is sulfur and peroxide cured.
Dependencies are inferred from the claim text.