Method of distributing fluids in bodies of liquid and apparatus therefor

• US 3,293,861 A
• Filed: 11/13/1961
• Issued: 12/27/1966
• Est. Priority Date: 11/13/1961
• Status: Expired due to Term

• Current Assignee: Nelson Hinde James
• Original Assignee: Nelson Hinde James
• Inventors: NELSON HINDE JAMES
• Application Number:
  US04/151,819
• Time in Patent Office: 1,870 Days
• US Class Current: 405/61
• CPC Class Codes: A01K 63/042 Introducing gases into the water, e.g. aerators, air pumps
• CPC Class Codes: A01M 7/0092 Adding active material used as well for the introduction of fertilisers in water A01C23/042
• CPC Class Codes: B01F 23/231152 the bubbling devices being supported, e.g. on cables or laying on the bottom
• CPC Class Codes: B01F 23/231232 in the form of slits or cut-out openings
• CPC Class Codes: B01F 23/23124 consisting of flexible porous or perforated material, e.g. fabric
• CPC Class Codes: B01F 23/231242 in the form of slits or cut-out openings
• CPC Class Codes: B01F 23/231265 being tubes, tubular elements, cylindrical elements or set of tubes
• CPC Class Codes: C02F 3/20 using diffusers
• CPC Class Codes: C02F 7/00 Aeration of stretches of water
• CPC Class Codes: Y02W 10/10 Biological treatment of water, waste water, or sewage

Claims

1. FLEXIBLE WEIGHTED TUBING FOR DISTRIBUTING AIR IN LIQUIDS COMPRISING, SEMI-RIGID, NON-COLLAPSIBLE FLEXIBLE TUBING FORMED OF RESILIENT RUBBER-LIKE MATERIAL HAVING AN ORIENTING WEIGHT IN THE FORM OF AT LEAST ONE LEAD WIRE CARRIED ALONG THE UNDERSIDE OF SAID TUBING SO AS TO EXTEND IN SUBSTANTIALLY A STRAIGHT LINE WHEN SAID TUBING IS STRAIGHTENED OUT, SAID TUBING AND SAID LEAD WIRE BEING SECURED TOGETHER IN A THIN OUTER SHEATH OF FLEXIBLE COATING MATERIAL, SAID TUBING HAVING A PLURALITY OF FLUID OUTLET VALVES FORMED IN THE UPPER PATH THEREOF AND SAID VALVES BEING IN THE FORM OF SELF-CLOSING SLITS.