Patent ID: 6769452
Filing Date: 2004-08-03
Classification: F16L

Abstract:
A hose assembly for hot gas comprising:an inner flexible hose, said hose being made from metal; an outer flexible hose, said hose being made from silicon rubber and fiberglass layered to form a wall of said outer hose, said inner and outer hoses being substantially coaxial; a helical wire disposed between said silicon rubber and said fiberglass; a substantially gas-impervious seal formed between the radially outer surface of said inner hose and the radially inner surface of said outer hose at each end of said hoses; and an insulator constructed to withstand temperatures of at least approximately 1,000 degrees Fahrenheit, said insulator being disposed between the radially outer surface of said inner hose and the radially inner surface of said outer hose at each end of said hoses.