US770078A - Magnetic curtain for covering leaks in ships. - Google Patents

Magnetic curtain for covering leaks in ships. Download PDF

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Publication number
US770078A
US770078A US1904191208A US770078A US 770078 A US770078 A US 770078A US 1904191208 A US1904191208 A US 1904191208A US 770078 A US770078 A US 770078A
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Prior art keywords
covering
curtain
ships
leaks
magnetic
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Expired - Lifetime
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Ludwig Krueger
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Ludwig Krueger
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
    • B63B43/00Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/10Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
    • B63B43/16Temporary equipment for stopping leaks, e.g. collision mats

Description

PATBNTED SEPT. 13, 1904.

L. KRUGER. MAGNETIC CURTAIN FOR COVERING LEAKS m SHIPS..

APPLIUATION FILED JAN. 29, 1904.

N0 MODEL.

Patented September 13, 1904.

PATENT EETcE.

LUDWIG KRIIGER, OF SONDERBURG, GERMANY.

MAGNETIC'CURTAIN FOR COVERING LEAKS IN SHIPS.

SPECIFICATION forming part of Letters Pat nt N0. 770,078, dated September 13, 1904.

Application filed January 29, 1904. Serial No. 191,208. (No model.)

To all whom it may concern:

Be it known that I, LUDWIG KRUGER, resid ing in Sonderburg, Germany, have invented certain new and useful Improvements in Magnetic Curtains for Covering Leaks in Ships, of which the following is a full, clear, and exact description.

The object of the present invention is a roller-curtain adapted to be quickly rolled down over a hole in the side of a ship produced by a collision, and the edges of said curtain may be provided with steel magnets which keep the edges tightly against the hull of the ship when the same is built of iron. For wooden ships the roller-curtain is employed without these magnets and the waterpressure alone is relied upon to keep the curtain over the leak.

In the accompanying drawings, Figure 1 is a cross-section of a hull with the new rollercurtain in place upon the outside; and Fig. 2 is an elevation of the same, the hole to be covered being indicated by dotted lines. Fig. 3 shows, at a larger scale, a corner part of the curtain; and Figs. 4 and 5 are sections, respectively, on lines A B and C D of Fig. 3.

The roller-curtains, which are preferably carried on board in diflierent sizes, being rolled up in convenient places on deck, consist, essentially, of a rubber sheet or of cloth a, which is provided at the lateral and lower edges with. magnetic plates m. These magnetic plates on are made of two parts connected by a screw, pin, or rivets, or otherwise and clamping between them the rubber sheet a. The outer part is convex, and an inner concave surface is adapted to receive the inner part, which snugly fits therein with its outer convex surface. The cloth is therefore bound in the magnetic plates, and when the iron hull of the vessel attracts the magnetic plates the rubber cloth comes in close contact with the hull.

n represents flat iron bars which extend crosswise over the whole width of the cloth, their ends being located between the magnetic plates, as shown in the drawings.

6 is a strong waterproof fabric with which the surface within the magnetic plates at the border is covered. This fabric is secured by seams h and also by rivets (Z, which are used to secure the bars n upon the rubber cloth. The reinforcement of the rubber cloth a by the bars a and the canvas 2' make the curtain adapted to stand the Water-pressure and to prevent a collapse over a leak-hole of considerable size.

Should after a collision of two vessels a hole be punched in one of them, a curtain of suitable size is secured with its edge at the top railing of the bulwark b and the curtain is rolled down on the outside of the ship, so that the hole is immediately covered. The sides and lower edge will be securely held against the hull, as the magnetic attraction greatly assists the action of thewater-pressure.

Having thus fully described the nature of my invention, what I claim as new, and desire to secure by Letters Patent of the United States, is-

1. A flexible curtain for covering holes in the side of a ship, composed of a, sheet of rubber reinforced by a plurality of iron bars secured upon said cloth and covered by a canvas, the edges of said rubber cloth being provided with pieces of magnetized steel for the purpose specified.

2. A flexible curtain for covering holes in the side of a ship, composed of a sheet of rubber reinforced by a plurality of iron bars secured upon said cloth and covered by a canvas, the edges of said rubber cloth being provided with pieces of magnetized steel the outer piece being concave and the inner piece being convex snugly fitting in the cavity of the outer piece both being united by screws rivets or the like and clamping between them the rubber cloth as described.

In testimony whereof I affix my signature.

LUDVVIG KRUGER.

In presence of G. HERMES, FRIEDERICH W. MICHELSEN.

US770078A 1904-01-29 1904-01-29 Magnetic curtain for covering leaks in ships. Expired - Lifetime US770078A (en)

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US770078A US770078A (en) 1904-01-29 1904-01-29 Magnetic curtain for covering leaks in ships.

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US770078A US770078A (en) 1904-01-29 1904-01-29 Magnetic curtain for covering leaks in ships.

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527500A (en) * 1983-08-11 1985-07-09 Fuerst Erwin J Sealing mat for hull breaches
GB2235164A (en) * 1989-08-22 1991-02-27 Richard Alan Griffiths Preventing liquid particularly oil spillage
US5004372A (en) * 1990-06-27 1991-04-02 Dickie Gerald M Spill containment system
US5009179A (en) * 1989-07-17 1991-04-23 Johnson Roscoe F Oil spill control
US5036786A (en) * 1990-03-23 1991-08-06 Joseph Uri Patch system for ship hulls
US5038701A (en) * 1990-03-23 1991-08-13 Riddell Floyd A Method and means for covering openings in hulls of damaged ships
US5064309A (en) * 1990-07-12 1991-11-12 Dickie Gerald M Dockside spill containment system
US5072684A (en) * 1991-02-28 1991-12-17 Pryor Frank R Means for preventing leaks from a liquid-bulk carrier cargo ship
US5165356A (en) * 1991-12-13 1992-11-24 Phillip A. Steele Magnetic ship hull patch
US5355824A (en) * 1993-12-07 1994-10-18 The Regents Of The University Of California, Office Of Technology Transfer Seal device for ferromagnetic containers
GB2287676A (en) * 1994-03-23 1995-09-27 Keith Lyons Magnetic device for sealing a hole in a vessel
US5562064A (en) * 1995-03-08 1996-10-08 Diversified Technologies, Inc. Apparatus and method for assessing damage and patching openings in hulls of marine vessels
US5685252A (en) * 1995-03-27 1997-11-11 The United States Of America As Represented By The Secretary Of The Navy Device for reducing flow of fluid from a ruptured vessel
US6655872B1 (en) * 2000-12-04 2003-12-02 Richard C. Johnson Method, system, and device for deploying a containment boom
WO2009088122A1 (en) * 2008-01-04 2009-07-16 Hyuk Soo Kwon Device for preventing cargo from leaking from tanker
US20120224922A1 (en) * 2011-03-02 2012-09-06 Sky Bleu Martin Hull Band to Prevent Contamination Transfer
US9779863B2 (en) 2014-09-26 2017-10-03 Elliott Chewins Removable fluid barrier

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527500A (en) * 1983-08-11 1985-07-09 Fuerst Erwin J Sealing mat for hull breaches
US5009179A (en) * 1989-07-17 1991-04-23 Johnson Roscoe F Oil spill control
GB2235164A (en) * 1989-08-22 1991-02-27 Richard Alan Griffiths Preventing liquid particularly oil spillage
US5036786A (en) * 1990-03-23 1991-08-06 Joseph Uri Patch system for ship hulls
US5038701A (en) * 1990-03-23 1991-08-13 Riddell Floyd A Method and means for covering openings in hulls of damaged ships
US5004372A (en) * 1990-06-27 1991-04-02 Dickie Gerald M Spill containment system
US5064309A (en) * 1990-07-12 1991-11-12 Dickie Gerald M Dockside spill containment system
US5072684A (en) * 1991-02-28 1991-12-17 Pryor Frank R Means for preventing leaks from a liquid-bulk carrier cargo ship
US5165356A (en) * 1991-12-13 1992-11-24 Phillip A. Steele Magnetic ship hull patch
US5355824A (en) * 1993-12-07 1994-10-18 The Regents Of The University Of California, Office Of Technology Transfer Seal device for ferromagnetic containers
GB2287676A (en) * 1994-03-23 1995-09-27 Keith Lyons Magnetic device for sealing a hole in a vessel
US5562064A (en) * 1995-03-08 1996-10-08 Diversified Technologies, Inc. Apparatus and method for assessing damage and patching openings in hulls of marine vessels
US5782196A (en) * 1995-03-08 1998-07-21 Diversified Technologies, Inc. Sealing openings in hulls of vessels
US5685252A (en) * 1995-03-27 1997-11-11 The United States Of America As Represented By The Secretary Of The Navy Device for reducing flow of fluid from a ruptured vessel
US6655872B1 (en) * 2000-12-04 2003-12-02 Richard C. Johnson Method, system, and device for deploying a containment boom
WO2009088122A1 (en) * 2008-01-04 2009-07-16 Hyuk Soo Kwon Device for preventing cargo from leaking from tanker
US20120224922A1 (en) * 2011-03-02 2012-09-06 Sky Bleu Martin Hull Band to Prevent Contamination Transfer
US9779863B2 (en) 2014-09-26 2017-10-03 Elliott Chewins Removable fluid barrier

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