Tire balancing compound

• US 4,139,395 A
• Filed: 06/09/1976
• Issued: 02/13/1979
• Est. Priority Date: 06/09/1976
• Status: Expired due to Term

• Current Assignee: BOMA Enterprises Incorporated
• Original Assignee: Dorsey S. Dunlap
• Inventors: Dunlap, Dorsey S.
• Primary Examiner(s): Morris, Theodore
• Application Number:
  US05/694,354
• Time in Patent Office: 979 Days
• Field of Search: 106/33, 106/124, 106/157, 106/79, 106/80, 106/38.35, 252/72, 152/347
• US Class Current: 106/144.72
• CPC Class Codes: B29D 2030/0635 Measuring and calculating tyre uniformity, e.g. using mathematical methods
• CPC Class Codes: B29D 2030/0637 Correcting by adding material
• CPC Class Codes: B29D 30/0633 After-treatment specially adapted for vulcanising tyres
• CPC Class Codes: B60C 19/003 Balancing means attached to the tyre
• CPC Class Codes: C08K 3/34 Silicon-containing compounds
• CPC Class Codes: C08K 5/05 Alcohols; Metal alcoholates
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 3/02 Starch; Degradation products thereof, e.g. dextrin
• CPC Class Codes: C08L 89/00 Compositions of proteins; Compositions of derivatives thereof foodstuff preparations A23J3/00
• CPC Class Codes: F16F 15/366 using fluid or powder means, i.e. non-discrete material

Abstract

The present invention relates to a thixotropic tire balancing compound which is fed through the inflating valve stem into a tire in relatively small quantities compared to the over-all capacity of the tire. The compound partially liquifies and moves within the tire to maintain the balance of the tire at all times. As the tire wears the compound moves to maintain the balance of the tire and wheel assembly. The compound includes dextrin, albumin, glycerin and sodium silicate.

Claims

1. A thixotropic tire balancing compound for insertion in the air space of a tubeless tire or inner tube which consists of a mixture of dextrin, albumin, glycerin, and sodium silicate.

2. A compound as claimed in claim 1 wherein the dextrin is present in a quantity of two to four percent, the albumin is present in a quantity of five to seven percent, the glycerin is present in an amount of twenty-two to twenty-four percent, and the sodium silicate is present in a quantity of sixty-seven to sixty-nine percent.

3. A tire balancing compound as claimed in claim 1 including three percent dextrin, six percent albumin, twenty-three percent glycerin, and sixty-eight percent sodium silicate.