GB1215529A - Nautical ice-breaking structures - Google Patents

Nautical ice-breaking structures

Info

Publication number
GB1215529A
GB1215529A GB39020/68A GB3902068A GB1215529A GB 1215529 A GB1215529 A GB 1215529A GB 39020/68 A GB39020/68 A GB 39020/68A GB 3902068 A GB3902068 A GB 3902068A GB 1215529 A GB1215529 A GB 1215529A
Authority
GB
United Kingdom
Prior art keywords
ice
blade
breaking
bow
aug
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.)
Expired
Application number
GB39020/68A
Inventor
Scott Eric Alexander
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.)
Alexbow Canada Ltd
Original Assignee
Alexbow Canada Ltd
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 Alexbow Canada Ltd filed Critical Alexbow Canada Ltd
Publication of GB1215529A publication Critical patent/GB1215529A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B63B35/08—Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Earth Drilling (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Scissors And Nippers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Bridges Or Land Bridges (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

1,215,529. Ice-breaking. ALEXBOW CANADA Ltd. 15 Aug., 1968 [15 Aug., 1967], No. 39020/68. Heading B7A. A low structure 10 for ice-breaking comprises two relatively inclined surfaces 21 for deflecting ice and a vertical blade 23 for splitting it. In Fig. 2, surfaces 21 have portions facing upwardly and forwardly and upper curved portions 22. The surfaces 21 intersect in a vertical plane, blade 23 extending upwardly from the line of intersection. The blade has tapered ends and is of uniform height in the region of the water level. A bottom plate (20, Fig. 3, not shown) joins the bottom edges of the surfaces 21. A hollow portion 11 contains tanks for ballast and has a slot (12) to receive a bow of a vessel which will push the structure 10 ahead of it. Alternatively a bow of a vessel is formed with the deflecting surfaces and blade.
GB39020/68A 1967-08-15 1968-08-15 Nautical ice-breaking structures Expired GB1215529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA997885 1967-08-15

Publications (1)

Publication Number Publication Date
GB1215529A true GB1215529A (en) 1970-12-09

Family

ID=4142997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39020/68A Expired GB1215529A (en) 1967-08-15 1968-08-15 Nautical ice-breaking structures

Country Status (9)

Country Link
US (1) US3521591A (en)
CA (1) CA855484A (en)
ES (1) ES357263A1 (en)
FI (1) FI46142C (en)
FR (1) FR1577665A (en)
GB (1) GB1215529A (en)
NL (1) NL6811482A (en)
NO (1) NO124588B (en)
SE (1) SE352585B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693360A (en) * 1970-10-02 1972-09-26 John E Holder Ice breaker for marine structures
US3672175A (en) * 1970-10-02 1972-06-27 Sun Oil Co Ice cutter
US3850125A (en) * 1971-09-24 1974-11-26 Global Marine Inc Icebreaking
CA1014016A (en) * 1973-08-30 1977-07-19 Heinrich Waas Icebreaker vessel
US4326476A (en) * 1979-12-17 1982-04-27 Upper Lakes Shipping Ltd. Navigation in ice covered waterways
FI79678C (en) * 1984-03-12 1995-10-31 Masa Yards Oy HULL
US6647909B1 (en) * 2002-10-01 2003-11-18 Richard S. Norek Waveless hull
NO20171809A1 (en) 2017-11-15 2019-05-16 Daafjorden Slipp As icebreaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US151774A (en) * 1874-06-09 Improvement in ice-plows and ram attachments for vessels
US812656A (en) * 1905-02-07 1906-02-13 Jean Baptiste Isidore Armand Julhe Construction of ships' hulls.
US993440A (en) * 1909-10-29 1911-05-30 Elouild Duplessis Ice-breaker.

Also Published As

Publication number Publication date
FI46142C (en) 1973-01-10
ES357263A1 (en) 1970-03-16
FR1577665A (en) 1969-08-08
NL6811482A (en) 1969-02-18
NO124588B (en) 1972-05-08
DE1781037B2 (en) 1972-06-29
DE1781037A1 (en) 1970-12-17
US3521591A (en) 1970-07-21
SE352585B (en) 1973-01-08
CA855484A (en) 1970-11-10
FI46142B (en) 1972-10-02

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