Flexible hose

• US 3,189,053 A
• Filed: 05/25/1962
• Issued: 06/15/1965
• Est. Priority Date: 05/25/1962
• Status: Expired due to Term

• Current Assignee: Dale Parr Russell
• Original Assignee: Dale Parr Russell
• Inventors: DALE PARR RUSSELL
• Application Number:
  US04/198,692
• Time in Patent Office: 1,117 Days
• US Class Current: 138/133
• CPC Class Codes: B29D 23/001 Pipes; Pipe joints pleated hoses B29D23/18
• CPC Class Codes: B29K 2021/00 Use of unspecified rubbers as moulding material
• CPC Class Codes: B29K 2105/06 containing reinforcements, fillers or inserts
• CPC Class Codes: B29L 2023/005 Hoses, i.e. flexible
• CPC Class Codes: F16L 11/088 comprising a combination of one or more layers of a helically wound cord or wire with one or more braided layers
• CPC Class Codes: Y10T 29/49874 Prestressing rod, filament or strand
• CPC Class Codes: Y10T 29/49888 Subsequently coating

Claims

1. AN IMPROVEMENT IN FLEXIBLE HOSE COMPRISING A TUBE OF VULCANIZABLE ELASTOMER, A NON-COLLAPSIBLE REINFORCING FILAMENT COILED AROUND THE PERIPHERY OF SAID TUBE WITH SPACED APART COILS EXPOSING PORTIONS OF SAID TUBE PERIPHERY THEREBETWEEN AND A TAPE INCLUDING A SYNTHETIC FIBER CORDS AND COATED WITH A VULCANIZABLE ELASTOMER BEING WRAPPED ON AND AROUND SAID FILAMENT COIL AND THE EXPOSED PERIPHERAL PORTION OF SAID TUBE AND VULCANIZED TO SAID TUBE EXPOSED PERIPHERAL PORTIONS ALONG MOST OF THE SPACE BETWEEN SAID COILS WITH SAID TAPE DRAWN TIGHT THEREON BY SAID CORDS.