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US4409920A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for treating ship hulls

Assignee: Individual
•
Filing: 1981-07-17
•
Granted: 1983-10-18
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Expires: 2001-07-17
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Abstract

Abstract An apparatus for treating ships' hulls in a dry dock has a carriage movable horizontally on a longitudinal wall of the dry dock and having upper and lower portions, a control cabin located on the upper portion of the carriage, working platform or device connected with the carriage and pivotable about at least one vertical and horizontal axis, working aggregates for operating the apparatus, a container located in the region of the lower portion of the carriage under water in filled condition of the dry dock and being water-tight and accommodating the working aggregates, and a plurality of conduits including at least one fresh air supply conduit extending to the container and at least one exhaust gas and spent air discharge conduit extending from the container, wherein the conduits extend up to the upper portion of the carriage.

Inventors

  • 👤 Paul Hammelmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 22:21
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/06; B63B71/00

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 135 words
An apparatus for treating ship hulls in a dry dock, comprising a carriage movable horizontally on a longitudinal wall of a dry dock and having upper and lower portions; a control cabin located on said upper portion of said carriage; working means connected with said carriage and pivotable about at least one vertical and horizontal axes; working aggregates for operating the apparatus; a container located in the region of said lower portion of said carriage under water in filled condition of the dry dock, said container being water-tight and accommodating said aggregates; and a plurality of conduits including at least one fresh air supplying conduit extending to said container, and at least one exhaust gas and spent air discharging conduit extending from said container, said conduits extending up to said upper portion of said carriage.
Claim 2
Independent Claim 135 words
An apparatus for treating ship hulls in a dry dock, comprising a carriage movable horizontally on a longitudinal wall of a dry dock and having upper and lower portions; a control cabin located on said upper portion of said carriage; working means connected with said carriage and pivotable about at least one vertical and horizontal axes; working aggregates for operating the apparatus; a container located in the region of said lower portion of said carriage under water in filled condition of the dry dock, said container being water-tight and accommodating said aggregates; and a plurality of conduits including at least one fresh air supplying conduit extending to said container, and at least one exhaust gas and spent air discharging conduit extending from said container, said conduits extending up to said upper portion of said carriage.
Claim 3
Dependent Claim 26 words
An apparatus as defined in claim 1, wherein said working means and said working aggregates are arranged for servicing, repairing and cleaning of the ship hulls.
Claim 4
Dependent Claim 21 words
An apparatus as defined in claim 1, wherein said working means and working aggregates are arranged for painting the ship hulls.
Claim 5
Dependent Claim 28 words
An apparatus as defined in claim 1; and further comprising a mast connected with said carriage and having a free end which adapted to carry said working means.
Claim 6
Dependent Claim 24 words
An apparatus as defined in claim 1, wherein said working aggregates include at least one internal combustion engine, hydraulic station and power water station.
Claim 7
Dependent Claim 21 words
An apparatus as defined in claim 1, wherein said working aggregates include at least one paint spraying station and supply tank.
Claim 8
Dependent Claim 36 words
An apparatus as defined in claim 1; and further comprising a lower rail arranged on a bottom of the dry dock, said water-tight container being arranged adjacent to said lower rail and mounted on said carriage.
Claim 9
Dependent Claim 21 words
An apparatus as defined in claim 1, wherein said water-tight container accommodating said working aggregates is provided with a bilge pump.
Claim 10
Dependent Claim 33 words
An apparatus as defined in claim 1, wherein said conduits are formed as tubular members forming parts of said carriage and connecting said lower and upper portions of said carriage with one another.
Claim 11
Dependent Claim 66 words
An apparatus as defined in claim 9, wherein said plurality of conduits includes a second such fresh air supplying conduit also formed as a tubular member connecting said lower and upper portions of said carriage with one another, the tubular members formed by said supplying conduits being arranged laterally as an inverted V, whereas the tubular member formed by said discharging conduit is located centrally thereof.
Claim 12
Dependent Claim 38 words
An apparatus as defined in claim 10; and further comprising a console mounted on said central tubular member, ech of said lateral tubular members having an inlet piece fixedly connected with said console of said central tubular member.
Claim 13
Dependent Claim 44 words
An apparatus as defined in claim 11; and further comprising a tubular piece surrounding a section of said central tubular member and rotatable relative to the latter, and a mast carrying said working means and connected with said tubular piece for joint rotation therewith.
Claim 14
Dependent Claim 34 words
An apparatus as defined in claim 12, wherein said section of said central tubular member which is surrounded by said tubular piece is formed as a separate extension member of said central tubular member.
Claim 15
Dependent Claim 39 words
An apparatus as defined in claim 12; and further comprising a ring fixedly mounted on said console and having a rotary rim, said tubular piece being provided with a toothed rim connected with said rotary rim of said ring.
Claim 16
Dependent Claim 38 words
An apparatus as defined in claim 12; and further comprising an exhaust ring having radially extending partitions and connected with said rotatable tubular piece, said central tubular member having an upper end which opens into said exhaust ring.
Claim 17
Dependent Claim 24 words
An apparatus as defined in claim 15, wherein said central tubular member has a separate upper extension member which opens into said exhaust ring.
Claim 18
Dependent Claim 15 words
An apparatus as defined in claim 15, wherein said exhaust ring carries said control cabin.
Claim 19
Dependent Claim 32 words
An apparatus as defined in claim 17, and further comprising an insulating plate located under said control cabin and above said exhaust ring and forming a protective plate for said control cabin.
Claim 20
Dependent Claim 44 words
An apparatus as defined in claim 12, wherein said lateral tubular members formed by said supplying conduits are offset relative to said central tubular member formed by said discharging conduit together with said tubular piece, said central tubular member formed as a central support.
Claim 21
Dependent Claim 30 words
An apparatus as defined in claim 11, wherein said console is formed as a hollow body and forms an upper end of the inverted V of the lateral tubular members.
Claim 22
Dependent Claim 21 words
An apparatus as defined in claim 1, wherein said discharging conduit is arranged for actively transporting exhaust gas and spent air.
Claim 23
Dependent Claim 38 words
An apparatus as defined in claim 1, wherein said discharging conduit has an inlet; and further comprising a ventilating element located above said inlet of said discharging conduit and arranged for actively transporting exhaust gas and spent air.
Claim 24
Dependent Claim 15 words
An apparatus as defined in claim 22, wherein said ventilating element is a ventilator blade.

References Cited (Backward Citations)

US3396492A Cited
US3951092A Cited
GB2037149A Cited
GB2037575A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-10-17 1987-04-18 1987-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-10-17 1991-04-18 1991-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-10-17 1995-04-18 1995-10-18 $7700.00 Window Closed / Lapsed

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