NZ590392A - A sub-surface underwater anchor with a helical screw - Google Patents

A sub-surface underwater anchor with a helical screw

Info

Publication number
NZ590392A
NZ590392A NZ590392A NZ59039210A NZ590392A NZ 590392 A NZ590392 A NZ 590392A NZ 590392 A NZ590392 A NZ 590392A NZ 59039210 A NZ59039210 A NZ 59039210A NZ 590392 A NZ590392 A NZ 590392A
Authority
NZ
New Zealand
Prior art keywords
anchor
engagement features
ground surface
drive head
sub
Prior art date
Application number
NZ590392A
Inventor
Michael Arthur Keith Baker
Original Assignee
Donna Ann Baker
Michael Arthur Keith Baker
New Zealand Trustee Services 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 Donna Ann Baker, Michael Arthur Keith Baker, New Zealand Trustee Services Ltd filed Critical Donna Ann Baker
Priority to NZ590392A priority Critical patent/NZ590392A/en
Publication of NZ590392A publication Critical patent/NZ590392A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24—Anchors
    • B63B21/26—Anchors securing to bed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

Disclosed is an anchor for subsurface installation in a ground surface, under water in a seabed. The anchor comprises tubular cylindrical anchor body; a spiral or tapered helical threaded anchoring feature for engaging with a ground surface; and anchor engagement protrusions or projections for engaging with complementary engagement features of a drive head. The anchor body, anchoring feature and anchor engagement features being integrally formed as a single component. The drive head is able to engage with the anchor engagement features and rotate in one direction to install the entire anchor in a subsurface position so that it is fully submerged in the ground surface; and the drive head is able to rotate in a second reverse direction after installation to disengage from the anchor engagement features to leave the entire anchor in the subsurface position.
NZ590392A 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw NZ590392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ590392A NZ590392A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ585545A NZ585545A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw having a releasable swivel line attachment
NZ590392A NZ590392A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw

Publications (1)

Publication Number Publication Date
NZ590392A true NZ590392A (en) 2012-08-31

Family

ID=44991880

Family Applications (3)

Application Number Title Priority Date Filing Date
NZ590388A NZ590388A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw
NZ585545A NZ585545A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw having a releasable swivel line attachment
NZ590392A NZ590392A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw

Family Applications Before (2)

Application Number Title Priority Date Filing Date
NZ590388A NZ590388A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw
NZ585545A NZ585545A (en) 2010-05-21 2010-05-21 A sub-surface underwater anchor with a helical screw having a releasable swivel line attachment

Country Status (6)

Country Link
EP (1) EP2572045A4 (en)
AU (3) AU2011255657B2 (en)
CA (1) CA2800032C (en)
CL (1) CL2012003248A1 (en)
NZ (3) NZ590388A (en)
WO (1) WO2011145951A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022180731A1 (en) * 2021-02-25 2022-09-01 日本電信電話株式会社 Anticorrosion system
CN115245139B (en) * 2021-11-23 2023-08-01 浙江海洋大学 Pile anchor for marine culture facilities

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2234907A (en) * 1939-10-06 1941-03-11 Malleable Iron Fittings Co Screw anchor
FR1027187A (en) * 1950-11-03 1953-05-08 Improvements to methods and devices for placing piles in soft ground
GB1098266A (en) * 1965-09-28 1968-01-10 William Edmund Waite Improvements in or relating to ground anchors
US3745774A (en) * 1970-07-27 1973-07-17 Offshore Co Underwater anchor structure and method of setting same
GB1390780A (en) * 1972-12-14 1975-04-16 Mcdowall C A Mooring anchor
FR2478158A1 (en) * 1980-03-14 1981-09-18 Maurey Jacques Round hollow section self-boring pile - uses spiral ramped cutters on leading edge and used as fence post or cable-anchor
US4943188A (en) * 1988-05-20 1990-07-24 Lockheed Corporation Rotating lug anchor connector
JPH0542326U (en) * 1991-11-11 1993-06-08 日立電線株式会社 Connection of the screw anchor pile
CA2124813A1 (en) * 1991-12-12 1993-06-24 Paul Anthony Camilleri Ground anchors
US6092484A (en) * 1999-06-23 2000-07-25 Babin; Hugh D. Marine anchor system
JP4149299B2 (en) 2002-11-08 2008-09-10 旭テック株式会社 Electric pole grounding device and construction method thereof
US7117812B2 (en) 2003-10-30 2006-10-10 Delmar Systems, Inc. Apparatus and method for gravity anchor installation
JP2009091807A (en) * 2007-10-09 2009-04-30 Kurimoto Ltd Rotary penetration pile

Also Published As

Publication number Publication date
NZ585545A (en) 2011-09-30
AU2017201448B2 (en) 2019-04-11
WO2011145951A1 (en) 2011-11-24
AU2011255657A1 (en) 2012-12-06
CA2800032C (en) 2018-08-28
CL2012003248A1 (en) 2013-10-11
EP2572045A1 (en) 2013-03-27
AU2011255657B2 (en) 2016-12-22
NZ590388A (en) 2012-08-31
CA2800032A1 (en) 2011-11-24
AU2017201449A1 (en) 2017-03-30
EP2572045A4 (en) 2017-04-19
AU2017201448A1 (en) 2017-04-13

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Legal Events

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RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 3 YEARS UNTIL 21 MAY 2017 BY A.J. PIETRAS + ASSOCIATES

Effective date: 20140506

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 21 MAY 2018 BY A J PIETRAS + CO

Effective date: 20170502

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 21 MAY 2019 BY A J PIETRAS + CO

Effective date: 20180517

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 21 MAY 2020 BY A J PIETRAS + CO

Effective date: 20190507

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 21 MAY 2021 BY AJ PIETRAS IP LIMITED

Effective date: 20200501

LAPS Patent lapsed