Method of making flexible hose

• US 2,686,962 A
• Filed: 05/02/1951
• Issued: 08/24/1954
• Est. Priority Date: 06/29/1950
• Status: Expired due to Term

• Current Assignee: Edward R. Swann
• Original Assignee: Edward R. Swann
• Inventors: Swann, Edward R.
• Application Number:
  US03/224,170
• Time in Patent Office: 1,210 Days
• US Class Current: 29/435
• CPC Class Codes: A47L 9/242 Hose or pipe couplings
• 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: F16L 33/00 Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
• CPC Class Codes: F16L 35/00 Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices
• CPC Class Codes: Y10T 29/49842 Between tube-forming helical coils
• CPC Class Codes: Y10T 29/49879 Spaced wall tube or receptacle
• CPC Class Codes: Y10T 29/49881 of separate helix [e.g., screw thread]

Claims