NOVELTY - A low-permeable composite hose comprises impermeable layers, each formed by rolling metal laminate sheet in a form of strip into cylindrical shape, a rubber elastic layer between the impermeable layers, and a gap defined between widthwise opposite edges of metal laminate sheet in each impermeable layer. The widthwise opposite edges of metal laminate sheets are disposed to be staggered with respect to each other in circumferential direction.    USE - The hose is used for piping in a motor vehicle. It may be used as gasoline fuel hose, refrigerant hose for air conditioner, or hose for fuel cell.    ADVANTAGE - The inventive composite hose conveys internal fluid without allowing it to disperse outside for a long period. It maintains excellent low-permeability over a long period.    DETAILED DESCRIPTION - A low-permeable composite hose comprises a first impermeable layer (5) formed by rolling a first metal laminate sheet (17) in a form of strip into a cylindrical shape so that widthwise opposite edges of first metal laminate sheet extend in a longitudinal direction of the composite hose, a second impermeable layer (9) formed on outer side of first impermeable layer by rolling a second metal laminate sheet (19) in a form of strip into a cylindrical shape so that widthwise opposite edges of second metal laminate sheet extend in the longitudinal direction, a rubber elastic layer interposed between the first and second impermeable layers, a first gap defined between the widthwise opposite edges of first metal laminate sheet in the first impermeable layer, and a second gap defined between the widthwise opposite edges of second metal laminate sheet in the second impermeable layer. The widthwise opposite edges of first metal laminate sheet and the widthwise opposite edges of second metal laminate sheet are disposed to be staggered with respect to each other in a circumferential direction.    DESCRIPTION OF DRAWING(S) - The figure is a perspective view showing a multi-layered construction of the inventive low-permeable composite hose.    Inner surface rubber layer (3)    First impermeable layer (5)    First middle rubber layer (7)    Second impermeable layer (9)    Second middle rubber layer (11)    Reinforcing layer (13)    Outer surface rubber layer (15)    First metal laminate sheet (17)    Second metal laminate sheet (19)