EP0689989A1 - Schiffslukendeckel - Google Patents

Schiffslukendeckel Download PDF

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Publication number
EP0689989A1
EP0689989A1 EP95201724A EP95201724A EP0689989A1 EP 0689989 A1 EP0689989 A1 EP 0689989A1 EP 95201724 A EP95201724 A EP 95201724A EP 95201724 A EP95201724 A EP 95201724A EP 0689989 A1 EP0689989 A1 EP 0689989A1
Authority
EP
European Patent Office
Prior art keywords
ship
hatch
height
extension
corrugations
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.)
Granted
Application number
EP95201724A
Other languages
English (en)
French (fr)
Other versions
EP0689989B1 (de
Inventor
Arthur Gerard Baeck
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP0689989A1 publication Critical patent/EP0689989A1/de
Application granted granted Critical
Publication of EP0689989B1 publication Critical patent/EP0689989B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B63B19/12—Hatches; Hatchways
    • B63B19/14—Hatch covers
    • B63B19/16—Hatch covers with detachable boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/002—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for inland waters, e.g. for use on canals or rivers

Definitions

  • This invention relates to a ship's hatch, more particularly of the "Friese kap" type, made of non self-supporting thin metal sheet and having trapezoidal corrugations extending in the longitudinal direction, the height/depth of which, i.e. the distance between the upper surface of the ship's hatch and the bottom of the trapezoidal corrugations, determines the height/thickness of the ship's hatch.
  • a ship's hatch of said type is formed by folding metal sheet in such a manner that trapezoidal gutter-shaped corrugations are formed with constant dimensions, i.e. both the height/depth of the corrugations and the width of the corrugation bottom remain constant.
  • the trapezoidal gutter-shaped corrugations permit the stacked hatches to be inserted into one another.
  • the height or thickness of the hatch is further constant so that the height or thickness in the area of the coaming is the same as in the middle of the hatch.
  • a ship's hatch of the above intended type has in the area of the coaming on the underside between the negatively positioned corrugations a transverse reinforcement serving also as flap box.
  • the coaming is provided with notches for placing the trapezoidal corrugations fittingly therein.
  • Another type of ship's hatch is formed by folding metal sheet in such a manner that the trapezoidal gutter-shaped corrugations have gradually and continuously decreasing dimensions. At least one side of the corrugation decreases thereby gradually and continuously in height/depth, i.e. the intermediary corrugations and the overlapping outer corrugations, the latter in the use position, decrease gradually and continuously in height/depth. In some embodiments, the width of the bottom of the corrugations increases proportionally to said decrease of the height/depth.
  • the height/depth of the corrugations decreases, and this from the middle towards the coaming.
  • a ship's hatch of this latter type does not need notches in the coaming because the height/depth of the corrugations is, in the area of the coaming, equal to the thickness of the flap box.
  • a drawback of the here intended ship's hatch is the more complicated production method since, just because of the changing height/depth of the sides of the corrugations, the sheet material has to be outlined trapezoidally in view of the cutting, snipping and folding process.
  • the folding or cutting line has to be marked (traced) onto each panel from which a hatch is made.
  • the invention has as object to design a ship's hatch which rests fittingly on the coamings without having to cut notches therein.
  • the ship's hatch according to the invention enables a markedly improved production method, allowing a semi-automated production process.
  • a cutting, snipping and folding bench does not have to be used then for said time-consuming preparatory steps.
  • An unrolling/"slit” chaining and profiling machine can be used.
  • An additional object of the invention is to design a ship's hatch of the type intended in the preamble, which offers the following advantages compared to the presently existing ship's hatches :
  • the ship's hatch according to the invention consists of two parts, i.e. a part of which the constant height/depth of the gutters determines the height/thickness of the hatch and a part in the form of an extension with a smaller height/depth of the corrugations, which is situated, in the use position, in the area of the coaming, and further characterised in that said upper surface of the ship's hatch is connected to said extension by means of an inclined plate.
  • said inclined plate extends in such a manner between said upper surface of the ship's hatch and said extension, that the connection by means of said inclined plate between the upper surface and the extension ensures a good transfer of the strength of said trapezoidal corrugations onto the coamings of the ship.
  • a remarkable feature of the invention consists in that the height of the trapezoidal corrugations of said extension corresponds substantially to the height of a transverse reinforcement situated at the bottom of the extension and serving also as flap box.
  • Figure 1 is a perspective representation of the lowermost extremity of a ship's hatch according to the invention.
  • Figure 2 is, on a larger scale, a front view of a ship's hatch according to the invention with a partial view of two ship's hatches co-operating therewith and with the coaming in front view.
  • Figure 3 is a longitudinal section across the extremity of a ship's hatch according to the invention showing however the coaming.
  • Figures 4 and 5 are side views of two possible embodiments of ship's hatches according to the invention.
  • the ship's hatch according to the invention and shown by these figures distinguishes itself thus clearly from the hitherto known ship's hatches mentioned in the preamble by the combination of characteristics by which the production of these hatches can be simplified considerably and can be manufactured according to a semi-continuous process, while the so manufactured ship's hatches permit moreover a continuous connection with the upper edge of the coamings, so that no notches are to be cut into these coamings.
  • Ship's hatches according to the invention can have several trapezoidal corrugations extending in the longitudinal direction. In the figures, only two overlapping outer corrugations were depicted. These overlapping outer corrugations are clarified by reference 1.
  • reference 2 is indicated the bottom of the trapezoidal corrugations, while the sides 3 and 4 refer to an inner and outer side, respectively.
  • the outer side 4 can have a continuous height (for example ⁇ 3 cm) as clearly shown in Figure 1.
  • Essential for the invention is thus a constant height of the inner side 3 of the overlapping outer corrugations 1.
  • the ship's hatches show a constant height/thickness over their entire length, except however for the part which is situated at the extremities and which consists of the extension 5, the upper surface 6 of which determines locally a height/thickness of the ship's hatch which is considerably smaller than the height/thickness of the ship's hatch measured over the remaining part of its length.
  • a plate 8 is provided which is welded along the lateral sides 3 and which can also be welded along the lines a and b, unless one of these weld connections is replaced by folding the sheet material.
  • the structure of the extension 5 with "lowered" upper surface 6 allows to apply a transverse reinforcement ( Figures 2 and 3), which serves as flap box 9.
  • the height of such a flap box 9 is thus relatively small and allows in any case to provide a continuous surface between the underside of the gutters 2 and the underside of the actual flap box 9, so that it is possible to put the successive ship's hatches onto the coamings 10 without having to cut out notches in the upper edge of the coaming 10. Cutting out said notches is a time-consuming delicate operation which does not have to be performed here because the ship's hatches according to the invention provide a continuous surface between the underside of the different gutters and the transverse reinforcements which are fixed therebetween, and which serve as flap box 9.
  • a second very important advantage offered by the structure of the ship's hatches according to the invention is the possibility to manufacture the sheet material of the ship's hatches, the height/thickness of which is constant in both parts, according to a semicontinuous process by using a profiling-"Rollform" machine.
  • the concept of the new ship's hatches allows thus to manufacture stackable and insertable ship's hatches, the above mentioned parts of which can be made from the coils by a profiling-"Rollform" machine, so that only at the lines a and b an additional welding operation is required to connect the actual ship's hatch to its lowered extension.
  • a further advantage is the lower stack height of the inserted ship's hatches in case of a larger span.
  • angles formed by the sides of the different gutters with the bottom of the overlapping outer corrugations can have very diverse values.
  • the different angles deducible from the figures are in no way binding for the invention.
  • the angle between the plate 8 and the upper surfaces 6 and 7 is not strictly determining, although this angle has yet to meet two criteria, namely :

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Laminated Bodies (AREA)
  • Ship Loading And Unloading (AREA)
EP19950201724 1994-06-29 1995-06-26 Schiffslukendeckel Expired - Lifetime EP0689989B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9400615 1994-06-29
BE9400615A BE1007947A3 (nl) 1994-06-29 1994-06-29 Scheepsluik.

Publications (2)

Publication Number Publication Date
EP0689989A1 true EP0689989A1 (de) 1996-01-03
EP0689989B1 EP0689989B1 (de) 1996-10-30

Family

ID=3888226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950201724 Expired - Lifetime EP0689989B1 (de) 1994-06-29 1995-06-26 Schiffslukendeckel

Country Status (3)

Country Link
EP (1) EP0689989B1 (de)
BE (1) BE1007947A3 (de)
DE (1) DE69500079T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1013711A5 (nl) * 2000-05-18 2002-06-04 G M Baeck Arthur Scheepsluik voor het afdekken van een ruimopening.
CN104015872A (zh) * 2014-05-14 2014-09-03 浙江海洋学院 一种具有抗冲击性的箱型船体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652633C (de) * 1936-06-26 1937-11-03 Johannes Meyboom Lukenabdeckung, insbesondere fuer Flussfahrzeuge
FR985463A (fr) * 1943-11-03 1951-07-19 Dispositif de panneaux de fermeture des écoutilles de chargement des bateaux
FR1285312A (fr) * 1961-01-09 1962-02-23 Chantiers Navals De Chalon Sur Perfectionnement apporté aux dispositifs d'obturation d'ouvertures et ses applications
EP0153770A2 (de) * 1984-02-27 1985-09-04 Ph. BLOMMAERT, personenvennootschap met beperkte aansprakelijkheid Schiffslukendeckel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652633C (de) * 1936-06-26 1937-11-03 Johannes Meyboom Lukenabdeckung, insbesondere fuer Flussfahrzeuge
FR985463A (fr) * 1943-11-03 1951-07-19 Dispositif de panneaux de fermeture des écoutilles de chargement des bateaux
FR1285312A (fr) * 1961-01-09 1962-02-23 Chantiers Navals De Chalon Sur Perfectionnement apporté aux dispositifs d'obturation d'ouvertures et ses applications
EP0153770A2 (de) * 1984-02-27 1985-09-04 Ph. BLOMMAERT, personenvennootschap met beperkte aansprakelijkheid Schiffslukendeckel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1013711A5 (nl) * 2000-05-18 2002-06-04 G M Baeck Arthur Scheepsluik voor het afdekken van een ruimopening.
EP1155955A3 (de) * 2000-05-18 2002-12-11 Arthur Gerard M. Baeck Lukendeckel
CN104015872A (zh) * 2014-05-14 2014-09-03 浙江海洋学院 一种具有抗冲击性的箱型船体

Also Published As

Publication number Publication date
BE1007947A3 (nl) 1995-11-21
DE69500079T2 (de) 1997-04-10
EP0689989B1 (de) 1996-10-30
DE69500079D1 (de) 1996-12-05

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