BUOYANCY MATERIAL FOR MARINE HOSE, MARINE HOSE, AND MARINE HOSE MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To suppress generation of a clearance in an adhering part between the side end surfaces of beltlike buoyancy material composing a buoyancy layer.;SOLUTION: The buoyancy layer 30 is formed by spirally winding the beltlike buoyancy material 32 around the outer surface of a base hose 21. The buoyancy material 32 comprises a buoyancy material body 34 and an adhering layer 36. The buoyancy material body 34 is formed into a beltlike shape, and comprises a closed-celled foam element. A natural rubber foam, a polyethylene foam, or the like is used as material for the buoyancy material body 34.;COPYRIGHT: (C)2008,JPO&INPIT