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WO2000035746A1 - Collision-resistant double-skin structure - Google Patents

Collision-resistant double-skin structure Download PDF

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Publication number
WO2000035746A1
WO2000035746A1 PCT/NL1999/000757 NL9900757W WO0035746A1 WO 2000035746 A1 WO2000035746 A1 WO 2000035746A1 NL 9900757 W NL9900757 W NL 9900757W WO 0035746 A1 WO0035746 A1 WO 0035746A1
Authority
WO
WIPO (PCT)
Prior art keywords
channels
skin
outer skin
ofthe
collision
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/NL1999/000757
Other languages
French (fr)
Inventor
Johannes Wilhelmus Lubertus Ludolphij
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCHELDE MARITIEM BV
Original Assignee
SCHELDE MARITIEM BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to UA2001063982A priority Critical patent/UA57168C2/en
Priority to AU18968/00A priority patent/AU756330B2/en
Priority to CA002356848A priority patent/CA2356848C/en
Priority to EP99962559A priority patent/EP1137571B1/en
Priority to EEP200100311A priority patent/EE04363B1/en
Priority to DE69923083T priority patent/DE69923083T2/en
Priority to KR1020017007718A priority patent/KR20010101175A/en
Priority to PL348258A priority patent/PL191039B1/en
Priority to DK99962559T priority patent/DK1137571T5/en
Priority to JP2000588023A priority patent/JP4456277B2/en
Application filed by SCHELDE MARITIEM BV filed Critical SCHELDE MARITIEM BV
Priority to AT99962559T priority patent/ATE286473T1/en
Priority to HK02102395.5A priority patent/HK1040676B/en
Publication of WO2000035746A1 publication Critical patent/WO2000035746A1/en
Priority to NO20012884A priority patent/NO316433B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/16—Shells
    • B63B3/20—Shells of double type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/62—Double bottoms; Tank tops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/26—Frames
    • B63B2003/265—Frames comprising open profiles, e.g. U- or gutter-shaped, and forming substantially closed channels together with the plate to which they are attached
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • E04C2002/3444—Corrugated sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • E04C2002/3444—Corrugated sheets
    • E04C2002/3455—Corrugated sheets with trapezoidal corrugations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • E04C2002/3472—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets with multiple layers of profiled spacer sheets

Definitions

  • the invention relates to a collision-resistant double-skin structure, such as a double-skinned ship's side.
  • the aim of the invention is to provide a substantially improved collision- and explosion- resistant double-skinned structure.
  • the structure comprises: a series of channels made of a ductile material and positioned alongside or above one another, which channels are attached by the tips of their side walls to the inner surface of the outer skin of the structure, the base of each channel being connected at least by a stringer, essentially perpendicular to said base, to the inner skin of the structure or to a construction attached thereto.
  • the substantially improved resistance to holing is achieved in that in the event of a collision the dent manifests itself over a substantial width, the ideal membrane stress being achieved and the resistance to holing being maximum.
  • channels can be used. Instead of this the channels can also be joined to one another to form a single corrugated plate.
  • channels are also arranged on the inner surface of the inner skin, which channels are attached by the tips of the side walls to said inner surface, and the said stringers extend between the channels arranged on the outer skin and the channels arranged on the inner skin.
  • the material of the structure must be ductile.
  • Steel 37 proves to be an excellent material, but some plastics and materials which have a so-called collapse path, such as certain composites and sandwich materials, can also be processed.
  • Figure 1 shows a perspective view of part of a double-skinned ship's side according to a first embodiment ofthe invention.
  • Figure 2 shows a vertical section ofthe ship's side according to Figure 1.
  • Figure 3 shows a vertical section of the ship's side according to Figure 1 after a severe collision.
  • Figure 4 shows a vertical section of a second embodiment of a ship's side.
  • Figure 5 shows a vertical section of a third embodiment of a ship's side.
  • the double-skinned structure shown in Figures 1 and 2 comprises an outer skin 1 and an inner skin 2.
  • Channels 3 are attached to the inner surface of the outer skin 1.
  • the channels have two side walls 4, 5, which make an angle of 45° with the outer skin 1, and a base 6, which joins the two side walls 4 and 5 to one another.
  • a stringer 7 extends from the base 6 of the channels, perpendicularly to said base, to the inner surface ofthe inner skin 2.
  • the bases 6 ofthe successive channels are joined to one another by strips 8.
  • the material of said parts 1 to 8 is ductile and consists, for example, of steel 37.
  • Figure 3 shows the case where a section of double-skinned ship's side according to Figures 1 and 2 has been subjected to a severe collision.
  • the outer skin 1 has moved somewhat inwards and the side walls 4 and 5 of the channel have been bent.
  • the stringer 7 has become curved. No holes are produced during the collision. In fact, there is question of a membrane stress.
  • the channels are of semi-cylindrical construction.
  • Figure 5 shows an embodiment in which channels 3 are attached both to the inner surface of the outer skin and to the inner surface ofthe inner skin and the stringers 7 extend between the bases ofthe channels positioned opposite one another.
  • the structure according to the invention employed in a ship having a double-skinned hull has now been tested and the result was astonishing.
  • the energy absorbed by the structure in a severe collision with a ram ship was found to be so effective that the outer skin exhibited shallow denting over a large surface (this skin behaved as a membrane) and there was no holing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Fats And Perfumes (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Vibration Dampers (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Finishing Walls (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

An impact-resistant double-skinned structure, such as a double-skinned ship's side, comprises an outer skin (1) and an inner skin (2). A series of channels (3) made of a ductile material and positioned alongside or above one another are attached by the tips of their side walls (4, 5) to the inner surface of the outer skin (1) of the structure. The base (6) of each channel is connected at least by a stringer (7), essentially perpendicular to said base, to the inner skin (1) of the structure or a construction attached thereto.

Description

Title: Collision-resistant double-skin structure
The invention relates to a collision-resistant double-skin structure, such as a double-skinned ship's side.
If oil tankers are involved in collisions or run aground this can result in severe pollution of the environment if the hull is holed. The same applies in respect of chemical tankers on inland waterways. Existing ferries run the risk of being holed in the side in the event of a collision, which under certain circumstances gives rise to an appreciable safety risk for the passengers. It is thus apparent that improvement in the impact and explosion resistance of double-skinned structures of ships, offshore installations and facilities for the processing industry is extremely important.
The aim of the invention is to provide a substantially improved collision- and explosion- resistant double-skinned structure. According to the invention, to this end the structure comprises: a series of channels made of a ductile material and positioned alongside or above one another, which channels are attached by the tips of their side walls to the inner surface of the outer skin of the structure, the base of each channel being connected at least by a stringer, essentially perpendicular to said base, to the inner skin of the structure or to a construction attached thereto.
The substantially improved resistance to holing is achieved in that in the event of a collision the dent manifests itself over a substantial width, the ideal membrane stress being achieved and the resistance to holing being maximum.
An even better result is achieved if the bases of successive channels are joined to one another by means of strips or a stringer. The strips or the stringer provide for symmetrical deformation of both side walls of the channels at the start of the collision. The strips or the stringer then break off. Should the strips or the stringer not be present there is a risk in a collision of one ofthe side walls ofthe channels being deflected substantially to one side and the other side wall following the first side wall. This non-symmetrical displacement of the side walls ofthe channels leads to a reduction in the resistance to holing. The intention is that those channel parts or side walls directed towards the inner surface ofthe outer skin ofthe ship's side make an angle α of less than 90° with said outer skin.
Individual channels can be used. Instead of this the channels can also be joined to one another to form a single corrugated plate.
In the case of a particular structure, channels are also arranged on the inner surface of the inner skin, which channels are attached by the tips of the side walls to said inner surface, and the said stringers extend between the channels arranged on the outer skin and the channels arranged on the inner skin.
The material of the structure must be ductile. Steel 37 proves to be an excellent material, but some plastics and materials which have a so-called collapse path, such as certain composites and sandwich materials, can also be processed.
The invention will now be explained on the basis ofthe description ofthe figures.
Figure 1 shows a perspective view of part of a double-skinned ship's side according to a first embodiment ofthe invention.
Figure 2 shows a vertical section ofthe ship's side according to Figure 1.
Figure 3 shows a vertical section of the ship's side according to Figure 1 after a severe collision.
Figure 4 shows a vertical section of a second embodiment of a ship's side.
Figure 5 shows a vertical section of a third embodiment of a ship's side.
The double-skinned structure shown in Figures 1 and 2 comprises an outer skin 1 and an inner skin 2. Channels 3 are attached to the inner surface of the outer skin 1. The channels have two side walls 4, 5, which make an angle of 45° with the outer skin 1, and a base 6, which joins the two side walls 4 and 5 to one another. A stringer 7 extends from the base 6 of the channels, perpendicularly to said base, to the inner surface ofthe inner skin 2. The bases 6 ofthe successive channels are joined to one another by strips 8. The material of said parts 1 to 8 is ductile and consists, for example, of steel 37.
Figure 3 shows the case where a section of double-skinned ship's side according to Figures 1 and 2 has been subjected to a severe collision. The outer skin 1 has moved somewhat inwards and the side walls 4 and 5 of the channel have been bent. The stringer 7 has become curved. No holes are produced during the collision. In fact, there is question of a membrane stress.
In the embodiment according to Figure 4 the channels are of semi-cylindrical construction.
Figure 5 shows an embodiment in which channels 3 are attached both to the inner surface of the outer skin and to the inner surface ofthe inner skin and the stringers 7 extend between the bases ofthe channels positioned opposite one another.
The structure according to the invention employed in a ship having a double-skinned hull has now been tested and the result was astonishing. The energy absorbed by the structure in a severe collision with a ram ship was found to be so effective that the outer skin exhibited shallow denting over a large surface (this skin behaved as a membrane) and there was no holing.

Claims

Claims
1. Collision-resistant double-skinned structure having an outer skin and an inner skin, comprising: a series of channels (3) made of a ductile material and positioned alongside or above one another, which channels are attached by the tips of their side walls (4, 5) to the inner surface ofthe outer skin (1) ofthe structure, the base (6) of each channel being connected at least by a stringer (7), essentially perpendicular to said base, to the inner skin of the structure or to a construction attached thereto.
2. Structure according to Claim 1 , characterised in that the bases (6) of successive channels are joined to one another by means of strips (8) or a stringer.
3. Structure according to Claim 1 or 2, characterised in that those channel parts (4, 5) directed towards the inner surface of the outer skin of the ship's side make an angle α of less than 90° with said outer skin.
4. Structure according to one of the preceding claims, characterised in that channels (3) are also arranged on the inner surface ofthe inner skin (2), which channels (3) are attached by the tips of the side walls to said inner surface, and in that the said stringers (7) extend between the channels (3) arranged on the outer skin (1) and the channels (3) arranged on the inner skin (2).
5. Structure according to one ofthe preceding claims, characterised in that the channels (3) of each series are joined to one another to form a corrugated plate.
6. Structure according to one of the preceding claims, characterised in that the structure is made of steel 37.
PCT/NL1999/000757 1998-12-11 1999-12-10 Collision-resistant double-skin structure Ceased WO2000035746A1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
UA2001063982A UA57168C2 (en) 1998-12-11 1999-10-12 Impact-resistant double-skinned structure
PL348258A PL191039B1 (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure
EP99962559A EP1137571B1 (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure
EEP200100311A EE04363B1 (en) 1998-12-11 1999-12-10 Impact-resistant double-wall structure
DE69923083T DE69923083T2 (en) 1998-12-11 1999-12-10 COLLISION-RESISTANT, DOUBLE-WALLED STRUCTURE
KR1020017007718A KR20010101175A (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure
DK99962559T DK1137571T5 (en) 1998-12-11 1999-12-10 Collision-resistant double-walled construction
AU18968/00A AU756330B2 (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure
JP2000588023A JP4456277B2 (en) 1998-12-11 1999-12-10 Collision resistant double layer structure
CA002356848A CA2356848C (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure
AT99962559T ATE286473T1 (en) 1998-12-11 1999-12-10 COLLISION-RESISTANT DOUBLE-WALLED STRUCTURE
HK02102395.5A HK1040676B (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure
NO20012884A NO316433B1 (en) 1998-12-11 2001-06-11 Double skin device, especially for ships

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1010794A NL1010794C2 (en) 1998-12-11 1998-12-11 Impact-resistant double-walled structure.
NL1010794 1998-12-11

Publications (1)

Publication Number Publication Date
WO2000035746A1 true WO2000035746A1 (en) 2000-06-22

Family

ID=19768302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1999/000757 Ceased WO2000035746A1 (en) 1998-12-11 1999-12-10 Collision-resistant double-skin structure

Country Status (21)

Country Link
EP (1) EP1137571B1 (en)
JP (1) JP4456277B2 (en)
KR (1) KR20010101175A (en)
CN (1) CN1139514C (en)
AT (1) ATE286473T1 (en)
AU (1) AU756330B2 (en)
BG (1) BG64462B1 (en)
CA (1) CA2356848C (en)
DE (1) DE69923083T2 (en)
DK (1) DK1137571T5 (en)
EE (1) EE04363B1 (en)
ES (1) ES2237191T3 (en)
HK (1) HK1040676B (en)
NL (1) NL1010794C2 (en)
NO (1) NO316433B1 (en)
PL (1) PL191039B1 (en)
PT (1) PT1137571E (en)
RU (1) RU2231471C2 (en)
TR (1) TR200102224T2 (en)
UA (1) UA57168C2 (en)
WO (1) WO2000035746A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001012499A2 (en) 1999-08-12 2001-02-22 Schelde Maritiem B.V. Collision-resistant structure
WO2003080428A1 (en) * 2002-03-26 2003-10-02 Gibbs Technologies Limited Marine craft impact protection
US6770374B1 (en) 1998-06-05 2004-08-03 Basf Aktiengesellschaft Composite elements containing compact polyisocyanate polyaddition products
US6790537B1 (en) 1999-03-30 2004-09-14 Basf Aktiengesellschaft Composite elements containing polyisocyanate-polyaddition products
WO2006021394A3 (en) * 2004-08-26 2007-05-24 Lindenau Gmbh Double skin tanker
US7223457B1 (en) 1999-11-04 2007-05-29 Basf Aktiengesellschaft Composite elements
WO2013154484A1 (en) 2012-04-11 2013-10-17 Rosen Haakan Marine hull and marine vessel

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CN1329243C (en) * 2004-12-29 2007-08-01 上海交通大学 Method for designing double-layer modularized structure of outer hull of ship
DE102007058060B3 (en) * 2007-11-30 2009-05-07 Universität Rostock Shell structure, particularly double shell structure for sea vessels, has primary support structure in form of grid of interconnected cross members, and longitudinal members for carrying wall
RU2448014C2 (en) * 2010-06-10 2012-04-20 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Double-wall shipboard
CN102953324B (en) * 2012-12-04 2015-04-29 南京联众建设工程技术有限公司 Anti-collision device of bridge pier
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CN105501390A (en) * 2015-10-10 2016-04-20 贺健元 Double-layered hull anti-sinking fixed floating cabin and movable floating cabin sealing door
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RU170099U1 (en) * 2016-08-23 2017-04-13 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) Hull
RU168880U1 (en) * 2016-08-23 2017-02-22 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) Hull
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RU2652374C1 (en) * 2017-04-03 2018-04-25 Владимир Александрович Карташев Ship hull
PL240509B1 (en) * 2017-08-16 2022-04-19 Marek Siemaszko Non-habitable room with external windows below the water surface
CN107792294A (en) * 2017-09-29 2018-03-13 中国船级社 Bottom tanker design method in a kind of overall with is flat
CN113879456A (en) * 2021-10-14 2022-01-04 哈尔滨工程大学 A large ship side absorption tank explosion venting device
EP4467439B1 (en) 2023-05-23 2025-05-14 Inec International Naval Engineering Consultants B.V. Collision-resistant structure
CN119459957A (en) * 2024-10-08 2025-02-18 上海外高桥造船有限公司 Collision bulkhead and ship

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GB191210405A (en) * 1912-05-02 1912-09-26 Thomas Turton Jones Improvements in or connected with Ships' Construction.
US2405590A (en) * 1940-03-08 1946-08-13 Bell Telephone Labor Inc Detonation shield
FR2276437A1 (en) * 1974-06-25 1976-01-23 Mera Zsm Zaklady Systemow Mini Auxiliary walking platform or ceiling construction plate - constructed from sandwiched corrugated metal plates
US4530197A (en) * 1983-06-29 1985-07-23 Rockwell International Corporation Thick core sandwich structures and method of fabrication thereof
US5061541A (en) * 1989-12-27 1991-10-29 Kinetic Systems, Inc. Honeycomb tables
WO1992010396A1 (en) * 1990-12-05 1992-06-25 William Stuart Watercraft hull modification
US5379711A (en) * 1992-09-30 1995-01-10 The United States Of America As Represented By The Secretary Of The Navy Retrofittable monolithic box beam composite hull system
EP0799764A1 (en) * 1996-04-01 1997-10-08 Schelde Maritiem B.V. Tube construction with adjoining layers of tubes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191210405A (en) * 1912-05-02 1912-09-26 Thomas Turton Jones Improvements in or connected with Ships' Construction.
US2405590A (en) * 1940-03-08 1946-08-13 Bell Telephone Labor Inc Detonation shield
FR2276437A1 (en) * 1974-06-25 1976-01-23 Mera Zsm Zaklady Systemow Mini Auxiliary walking platform or ceiling construction plate - constructed from sandwiched corrugated metal plates
US4530197A (en) * 1983-06-29 1985-07-23 Rockwell International Corporation Thick core sandwich structures and method of fabrication thereof
US5061541A (en) * 1989-12-27 1991-10-29 Kinetic Systems, Inc. Honeycomb tables
WO1992010396A1 (en) * 1990-12-05 1992-06-25 William Stuart Watercraft hull modification
US5379711A (en) * 1992-09-30 1995-01-10 The United States Of America As Represented By The Secretary Of The Navy Retrofittable monolithic box beam composite hull system
EP0799764A1 (en) * 1996-04-01 1997-10-08 Schelde Maritiem B.V. Tube construction with adjoining layers of tubes

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6770374B1 (en) 1998-06-05 2004-08-03 Basf Aktiengesellschaft Composite elements containing compact polyisocyanate polyaddition products
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ES2237191T3 (en) 2005-07-16
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RU2231471C2 (en) 2004-06-27
ATE286473T1 (en) 2005-01-15
DK1137571T3 (en) 2005-03-14
BG105586A (en) 2002-02-28
JP4456277B2 (en) 2010-04-28
CN1139514C (en) 2004-02-25
NL1010794C2 (en) 2000-06-19
CA2356848C (en) 2008-07-29
PT1137571E (en) 2005-05-31
EP1137571A1 (en) 2001-10-04
HK1040676A1 (en) 2002-06-21
NO316433B1 (en) 2004-01-26
EP1137571B1 (en) 2005-01-05
KR20010101175A (en) 2001-11-14
DE69923083D1 (en) 2005-02-10
JP2002532326A (en) 2002-10-02
UA57168C2 (en) 2003-06-16
AU756330B2 (en) 2003-01-09
NO20012884D0 (en) 2001-06-11
CA2356848A1 (en) 2000-06-22
BG64462B1 (en) 2005-03-31
DK1137571T5 (en) 2005-08-15
EE04363B1 (en) 2004-10-15
CN1333725A (en) 2002-01-30
AU1896800A (en) 2000-07-03
HK1040676B (en) 2005-04-29
DE69923083T2 (en) 2005-12-15
NO20012884L (en) 2001-08-07
TR200102224T2 (en) 2002-03-21
PL191039B1 (en) 2006-03-31

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