EP2685006A3 - Cutting head with a retractable threading tooth actuated by a rack/gear system - Google Patents

Cutting head with a retractable threading tooth actuated by a rack/gear system Download PDF

Info

Publication number
EP2685006A3
EP2685006A3 EP13175274.3A EP13175274A EP2685006A3 EP 2685006 A3 EP2685006 A3 EP 2685006A3 EP 13175274 A EP13175274 A EP 13175274A EP 2685006 A3 EP2685006 A3 EP 2685006A3
Authority
EP
European Patent Office
Prior art keywords
rack
threading tooth
cylindrical core
cutting head
hollow cylindrical
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
EP13175274.3A
Other languages
German (de)
French (fr)
Other versions
EP2685006B1 (en
EP2685006A2 (en
Inventor
Lewis Stansfield
Steve Ako
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.)
Soletanche Freyssinet SA
Original Assignee
Soletanche Freyssinet SA
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 Soletanche Freyssinet SA filed Critical Soletanche Freyssinet SA
Publication of EP2685006A2 publication Critical patent/EP2685006A2/en
Publication of EP2685006A3 publication Critical patent/EP2685006A3/en
Application granted granted Critical
Publication of EP2685006B1 publication Critical patent/EP2685006B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/44—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with enlarged footing or enlargements at the bottom of the pile
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/22—Placing by screwing down
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts

Abstract

A cutting head comprising a hollow cylindrical core with a helical flight;
• a threading tooth presenting an extended and a retracted position;
• displacement means for displacing said threading tooth between said retracted position and said extended position, said displacement means comprising:
• an inner hollow tubular member mounted to move into said hollow cylindrical core in translation along said longitudinal axis and disposed at least at the bottom end of said hollow cylindrical core;
• a rack fixed to the inner hollow tubular member,
• at least a gear cooperating with the rack, said gear being mounted on the bottom end of the hollow cylindrical core,
• a lever connected to the gear;
• a connecting rod pivotally connected to the lever and to the threading tooth, whereby the translation of the rack causes the displacement of the threading tooth.
EP13175274.3A 2012-07-12 2013-07-05 Cutting head with a retractable threading tooth actuated by a rack/gear system Active EP2685006B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1212419.4A GB2503918B (en) 2012-07-12 2012-07-12 Cutting head with a retractable threading tooth actuated by a rack/gear system

Publications (3)

Publication Number Publication Date
EP2685006A2 EP2685006A2 (en) 2014-01-15
EP2685006A3 true EP2685006A3 (en) 2014-09-03
EP2685006B1 EP2685006B1 (en) 2016-01-20

Family

ID=46799520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13175274.3A Active EP2685006B1 (en) 2012-07-12 2013-07-05 Cutting head with a retractable threading tooth actuated by a rack/gear system

Country Status (3)

Country Link
EP (1) EP2685006B1 (en)
ES (1) ES2568021T3 (en)
GB (1) GB2503918B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1021912B1 (en) * 2014-06-19 2016-01-26 Jde Funderingstechniek Bvba DRILLING DEVICE FOR MANUFACTURING A FOUNDATION POLE
US10227748B2 (en) 2015-04-09 2019-03-12 Jaron Lyell Mcmillan Tooth attachment for a drill and a drill incorporating the same
CN105155516B (en) * 2015-08-14 2016-11-30 江苏省华建建设股份有限公司 The method of construction drill bored concrete pile before making an overall screening underground obstacle
SG11202008995UA (en) 2018-04-25 2020-10-29 Ppx Tech Pty Ltd Tool and method for forming piles
CN110984848A (en) * 2019-11-25 2020-04-10 江苏鑫上电子科技有限公司 Pile driver is used in installation of photovoltaic support
LU102150B1 (en) 2020-10-21 2022-04-22 Keller Holding Gmbh Displacement tool for displacing soil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459610A2 (en) * 1990-05-29 1991-12-04 Smith International, Inc. Milling tool for well casings
US6595301B1 (en) * 2001-08-17 2003-07-22 Cdx Gas, Llc Single-blade underreamer
GB2440939A (en) * 2006-04-18 2008-02-20 Cie Du Sol Cutting head provided with a retractable threading means

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6595302B1 (en) * 2001-08-17 2003-07-22 Cdx Gas, Llc Multi-blade underreamer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459610A2 (en) * 1990-05-29 1991-12-04 Smith International, Inc. Milling tool for well casings
US6595301B1 (en) * 2001-08-17 2003-07-22 Cdx Gas, Llc Single-blade underreamer
GB2440939A (en) * 2006-04-18 2008-02-20 Cie Du Sol Cutting head provided with a retractable threading means

Also Published As

Publication number Publication date
EP2685006B1 (en) 2016-01-20
ES2568021T3 (en) 2016-04-27
GB2503918B (en) 2015-12-30
GB201212419D0 (en) 2012-08-29
GB2503918A (en) 2014-01-15
EP2685006A2 (en) 2014-01-15

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