A dock and boat protection system includes a flexible sheet, fasteners, and a plurality of colinearly aligned marine fenders. The sheet has an envelope portion sized to at-least-partially surround fenders when conformed there-around, and an edge portion extending from the envelope portion and configured to engage a dock, wherein the edge portion is secured to the dock by the fasteners.

A dock and boat protection system includes a flexible sheet, fasteners, and a plurality of colinearly aligned marine fenders. The sheet has an envelope portion sized to at-least-partially surround fenders when conformed there-around, and an edge portion extending from the envelope portion and configured to engage a dock, wherein the edge portion is secured to the dock by the fasteners.

An apparatus and method of preparing and coating a large structure such as a ship's hull while in a dry dock wherein a plurality of spray guns disposed in an array are positioned by a robotic arm in a spaced relationship along the surface to be treated so that their spray patterns overlap. The array of spray guns is traversed downwardly and thus painting a strip whereupon the spray guns are secured, move horizontally and then are activated to be moved upwardly until another strip adjacent to and overlapping the first strip is painted. These steps are repeated until the surface area is substantially entirely painted. A shroud is provided for collecting paint oversprays and other excess paint is mounted in the array assemblage. An auxiliary spray gun may be positioned and its spray pattern adjusted to apply paint to area which were missed by the original spray pattern emanating from the array of spray guns. Travel of the system along the work surface is accomplished by a reference track, which may be virtual or actual along which an unmanned platform travels. An articulated computer controlled arm is carried by the unmanned platform which in turn carries the assemblage. Other tools may be selectively operatively connected to the arm for cleaning the hull before a coating is applied thereto.

An apparatus and method of preparing and coating a large structure such as a ship's hull while in a dry dock wherein a plurality of spray guns disposed in an array are positioned by a robotic arm in a spaced relationship along the surface to be treated so that their spray patterns overlap. The array of spray guns is traversed downwardly and thus painting a strip whereupon the spray guns are secured, move horizontally and then are activated to be moved upwardly until another strip adjacent to and overlapping the first strip is painted. These steps are repeated until the surface area is substantially entirely painted. A shroud is provided for collecting paint oversprays and other excess paint is mounted in the array assemblage. An auxiliary spray gun may be positioned and its spray pattern adjusted to apply paint to area which were missed by the original spray pattern emanating from the array of spray guns. Travel of the system along the work surface is accomplished by a reference track, which may be virtual or actual along which an unmanned platform travels. An articulated computer controlled arm is carried by the unmanned platform which in turn carries the assemblage. Other tools may be selectively operatively connected to the arm for cleaning the hull before a coating is applied thereto.

An electric field gradient sensor is presented, having a sensor body having an outer surface; and a plurality of electrodes distributed over the outer surface, each electrode having an electrode surface facing outward from the surface. The plurality of electrodes are arranged forming a plurality of electrode pairs, each electrode pair formed by a first electrode and a second electrode located on opposite sides of the sensor body. This sensor enables three-dimensional measurements of the electric field gradient along structures located in an electrically conductive medium, such as subsea structures, for example for monitoring the cathodic protection of such structure.

A layer of mineral wool having a first and a second main side (2, 3) which are opposite each other and define a thickness between each other, the layer of mineral wool further having a circumferential side which extends between the first and the second main side, at least a part of the first main side being provided with a sprayed-on protective layer (4) which is non-intumescent and relatively thin in comparison to the layer of mineral wool, the protective layer being adherent to the mineral wool, wherein the protective layer (4) exhibits at atmospheric pressure, during an increase in ambient temperature, a drop in its thermal conductivity.

A multilayer marine wrapping is proposed wherein each layer has a removal strip and the removal strips are staggered, such that a single layer can be removed at a time.

A composition for producing a putty. The composition includes a binder component with 40 to 95 wt.-% of an epoxy resin based on a total mass of the binder component, a hardener component with 5 to 70 wt.-% of an NH-group-containing compound relative to a total mass of the hardener component, and 0.1 to 15 wt.-% of synthetic hollow bodies based on a total mass of the putty. The synthetic hollow bodies have a density of 0.005 to 0.8 g/cm.sup.3

A composition for producing a putty. The composition includes a binder component with 40 to 95 wt.-% of an epoxy resin based on a total mass of the binder component, a hardener component with 5 to 70 wt.-% of an NH-group-containing compound relative to a total mass of the hardener component, and 0.1 to 15 wt.-% of synthetic hollow bodies based on a total mass of the putty. The synthetic hollow bodies have a density of 0.005 to 0.8 g/cm.sup.3

A method of using a putty in a mechanical processing method includes dosing a binder component comprising at least one epoxy resin, dosing a hardener component comprising at least one NH-group-containing compound, mixing the binder component and the hardener component into a putty mass, and applying the putty mass on an undercoat. At least one of the binder component and the hardener component comprises synthetic hollow bodies so that the putty mass comprises 0.1 to 15 wt.-% of the synthetic hollow bodies relative to a total weight of the putty mass.