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FI932657A - Ice breaking ship - has cutters movable outwards from hull sides, and can be extended or retracted into openings in hull by hydraulic rams - Google Patents

Ice breaking ship - has cutters movable outwards from hull sides, and can be extended or retracted into openings in hull by hydraulic rams Download PDF

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Publication number
FI932657A
FI932657A FI932657A FI932657A FI932657A FI 932657 A FI932657 A FI 932657A FI 932657 A FI932657 A FI 932657A FI 932657 A FI932657 A FI 932657A FI 932657 A FI932657 A FI 932657A
Authority
FI
Finland
Prior art keywords
hull
retracted
openings
extended
cutters
Prior art date
Application number
FI932657A
Other languages
Finnish (fi)
Other versions
FI932657A0 (en
FI110251B (en
Inventor
Jens-Holger Hellmann
Richard Hoelscher
Hermann J Janssen
Alfred Kleemann
Karl-Heinz Rupp
Joachim Schwarz
Guenter Varges
Heinrich Waas
Original Assignee
Thyssen Nordseewerke Gmbh
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 claimed from DE8802053U external-priority patent/DE8802053U1/en
Application filed by Thyssen Nordseewerke Gmbh filed Critical Thyssen Nordseewerke Gmbh
Publication of FI932657A0 publication Critical patent/FI932657A0/en
Publication of FI932657A publication Critical patent/FI932657A/en
Application granted granted Critical
Publication of FI110251B publication Critical patent/FI110251B/en

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  • Shovels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The icebreaking ship has icebreaking cutters (30) protruding from the sides (21,22) and preferably forming the widest part of the underwater portion. The cutters are swung or thrust sideways so as to vary the overall hull width. The outer edges (31) of the cutters can be sharp, radiused or chamfered., and they can be extended from or retracted into openings in the hull by hydraulic rams or other means, being flush with the hull when retracted.
FI932657A 1988-02-18 1993-06-10 Ice-breaking ship FI110251B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE8802053 1988-02-18
DE8802053U DE8802053U1 (en) 1988-02-18 1988-02-18 Icebreaking ship
FI884246A FI93812C (en) 1988-02-18 1988-09-15 Icebreaking vessels
FI884246 1988-09-15

Publications (3)

Publication Number Publication Date
FI932657A0 FI932657A0 (en) 1993-06-10
FI932657A true FI932657A (en) 1993-06-10
FI110251B FI110251B (en) 2002-12-31

Family

ID=25952709

Family Applications (2)

Application Number Title Priority Date Filing Date
FI932656A FI110250B (en) 1988-02-18 1993-06-10 Ice breaking ship - has cutters movable outwards from hull sides, and can be extended or retracted into openings in hull by hydraulic rams
FI932657A FI110251B (en) 1988-02-18 1993-06-10 Ice-breaking ship

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FI932656A FI110250B (en) 1988-02-18 1993-06-10 Ice breaking ship - has cutters movable outwards from hull sides, and can be extended or retracted into openings in hull by hydraulic rams

Country Status (1)

Country Link
FI (2) FI110250B (en)

Also Published As

Publication number Publication date
FI932656A (en) 1993-06-10
FI932656A0 (en) 1993-06-10
FI932657A0 (en) 1993-06-10
FI110250B (en) 2002-12-31
FI110251B (en) 2002-12-31

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