Deflation-proof tires

• US 3,022,810 A
• Filed: 08/03/1960
• Issued: 02/27/1962
• Est. Priority Date: 08/03/1960
• Status: Expired due to Term

• Current Assignee: Donald M. Lambe
• Original Assignee: Donald M. Lambe
• Inventors: Lambe, Donald M.
• Application Number:
  US04/047,324
• Time in Patent Office: 573 Days
• US Class Current: 152/157
• CPC Class Codes: B60C 17/06 resilient
• CPC Class Codes: B60C 17/065 made-up of foam inserts tyres filled with foam B60C5/002
• CPC Class Codes: B60C 5/002 filled at least partially with foam material
• CPC Class Codes: Y10S 264/13 Cell size and distribution control while molding a foam
• CPC Class Codes: Y10T 152/10054 Enclosed cushion
• CPC Class Codes: Y10T 152/10378 Casing enclosed core
• CPC Class Codes: Y10T 152/10405 Sponge rubber

Claims

1. A DEFLATION-PROOF RESILIENT FOAM FILLING FOR A PNEUMATIC TIRE, COMPRISING A MULTIPLICITY OF MINUTE INDIVIDUAL CLOSED CELLS CONTAINING A GAS UNDER PRESSURE, SAID CELLS BEING SUSPENDED IN A MATRIX OF RUBBER-LIKE MATERIAL, THE WHOLE HAVING SUBSTANTIALLY A UNIFORM DENSITY THROUGHOUT, THE PRESSURE OF THE GAS CONTAINED IN SAID CELLS BEING SUFFIMINED SUPERATMOSPHERIC PRESSURE AGAINST ITS SURROUNDINGS.