.~ With means to scour or scrape (e.g., propeller means, digging teeth, plow) {2}
344
.~.~ Nozzle
DEFINITION
Classification: 37/344
Nozzle:
(under subclass 342) Apparatus wherein the removal or cleaning of sand, mud, or silt is effected by the action of high-pressure air or water which is forced through a projecting part with an opening in a localized stream. [figure] [caption]A - Barge; B - Tug boat; C - Fluid jet; D - River or lake bed; E - Sand bar; F - Hoist
SEE OR SEARCH CLASS
114, Ships,
55, for a vessel raising means including provision for loosening of sand or mud about a submerged hull.
405, Hydraulic and Earth Engineering,
73, for subject matter relating to the removal of a sediment deposit by the concentration of a natural current.