Hose pumps
AssigneeDunlop Oil & Marine Ltd.
InventorsAli Reza Kambiez Zandiyeh, Marco Musto
Life of this patent
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Abstract
A hose for a hose pump comprises inner plies (20) and outer plies (22) separated by a filler layer (24). The inner (20) and outer plies (22) are helically wound in opposite directions and the inner plies (20) are at a shallower angle than the outer plies (22).
Claims19
A hose for a hose pump comprising inner plies and outer plies and a filler layer, wherein the inner and outer plies are separated by the filler layer, wherein the inner and outer plies are helically wound in opposite directions at respective winding angles, and the winding angle of the inner plies is shallower than the winding angle of the outer plies.
(canceled)
An assembly according to claim 9 wherein the filler layer decreases in thickness towards the end of the hose.
A hose assembly comprising a hose having an end and comprising inner and outer plies with a filler layer between the plies, and an end fitting wherein the end fitting comprises a tubular portion having an outer surface, a first end over which the end of the hose extends, and a second end with a fitting flange located at the second end, the fitting having first and second retention beads formed on the outer surface of the tubular portion for retention of the inner and outer plies respectively.
A hose end fitting comprising a tubular member having a first end arranged to be located within a hose and a second end with a connection flange provided at the second end, wherein a flexible extension is provided at the first end of the fitting.
(canceled)
Dependencies are inferred from the claim text.