Hose
OwnerHerbert Vohrerinventor
Life of this patent
Estimating the term…
Abstract
Flexible reinforced pressure and suction hose of the type in which a wire helix is sandwiched between inner and outer wall members including a strip of relatively hard material disposed between the wall members and wound intermediate the turns of the helix and spaced therefrom for forming a helical cavity between the wall members containing the helix and permitting movement of the helix therein. A stranded reinforcing layer may also be included between the wall members.
Claims7
In a reinforced pressure and suction hose of the type having a flexible inner hose wall, a flexible outer hose wall and a wire helix disposed between said walls, the improvement comprising strip means, of a relatively hard and stiff material as compared to that of said hose walls, said strip means being bonded to and disposed between said hose walls intermediately within the space between the turns of the wire helix, for forming a helical cavity between said hose walls containing said helix unbonded therein, and said strip means being of a width and thickness so as to be spaced from the turns of said helix to permit movement of the unbonded helix in said cavity and to prevent bending and folding of the inner and outer hose walls except at the cavity.
Dependencies are inferred from the claim text.