DE9001817U1 - Core bit tube extension - Google Patents

Core bit tube extension

Info

Publication number
DE9001817U1
DE9001817U1 DE9001817U DE9001817U DE9001817U1 DE 9001817 U1 DE9001817 U1 DE 9001817U1 DE 9001817 U DE9001817 U DE 9001817U DE 9001817 U DE9001817 U DE 9001817U DE 9001817 U1 DE9001817 U1 DE 9001817U1
Authority
DE
Germany
Prior art keywords
tube extension
core bit
bit tube
sides
aluminum alloy
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 - Lifetime
Application number
DE9001817U
Other languages
German (de)
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.)
HELTEWIG BERND 5600 WUPPERTAL DE
Original Assignee
HELTEWIG BERND 5600 WUPPERTAL DE
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 HELTEWIG BERND 5600 WUPPERTAL DE filed Critical HELTEWIG BERND 5600 WUPPERTAL DE
Priority to DE9001817U priority Critical patent/DE9001817U1/en
Publication of DE9001817U1 publication Critical patent/DE9001817U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Description

Bernd Heltewig * ·": ■ J6do.WL$pfeftai 21, den 12.2.1990Bernd Heltewig * ·": ■ J6do.WL$pfeftai 21, 12.2.1990

Scheidstraße 115Scheidstrasse 115

BESCHREIBUNGDESCRIPTION

Gegenstand, seiner Gebrauchsmus-te-rschuta-Anmel&ung ist eine Bohrkronenrohr-Verlängerung (1)(4) mit an= geschnittenen Gewinden (2)(3) und (5)(6), hergestellt 9.V.B einer AIu^The subject of his utility model application is a drill bit tube extension (1)(4) with cut threads (2)(3) and (5)(6), manufactured from an aluminum

O Gegenwärtifa bestehen "iese flohrkronenrohr-Verlange= nmgen (1K*O aus Stahl und sind entsprechend schwer. Die Aluminium-Ausführung !^"utet in der Lagerhaltung, in der Handhabung bei der Montage und beim Versand eine wesentliche Gewichts-Erleichterung.O Currently, these tube crowns (1K*O) are made of steel and are correspondingly heavy. The aluminum version offers a significant reduction in weight in storage, handling during assembly and shipping.

Claims (2)

Bernd Heltewig I": · i5^00·'wüjftJfeftil 21, den 12.2.1990 Scheidstraße 115 SCHUTZÄN ~J=C=HBernd Heltewig I": · i5^00·'wüjftJfeftil 21, 12.2.1990 Scheidstraße 115 SCHUTZÄN ~J=C=H 1.) Bohrkronenrohr-Verlängerung (1) mit beidseitigem Gewin= deanschluß R 1/2" (2)(3), dadurch gekennzeichnet; daß sie aus einer der Festigkeit entsprechenden Aluminium= legierung besteht.1.) Core bit tube extension (1) with threaded connection R 1/2" (2)(3) on both sides, characterized in that it is made of an aluminum alloy with the appropriate strength. 2.) Bohrkronenrohr-Verlängerung (4), nach Anspruch 1, mit beidseitigem Gewindeanschluß 1 1/4» UMC (5)(6), dadurch gekennzeichnet,daß sie aus einer der Festigkeit entspre= chenden Aluminium-Legierung besteht.2.) Drill bit tube extension (4), according to claim 1, with threaded connection 1 1/4" UMC (5)(6) on both sides, characterized in that it consists of an aluminum alloy corresponding to the strength.
DE9001817U 1990-02-16 1990-02-16 Core bit tube extension Expired - Lifetime DE9001817U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9001817U DE9001817U1 (en) 1990-02-16 1990-02-16 Core bit tube extension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9001817U DE9001817U1 (en) 1990-02-16 1990-02-16 Core bit tube extension

Publications (1)

Publication Number Publication Date
DE9001817U1 true DE9001817U1 (en) 1990-04-19

Family

ID=6851078

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9001817U Expired - Lifetime DE9001817U1 (en) 1990-02-16 1990-02-16 Core bit tube extension

Country Status (1)

Country Link
DE (1) DE9001817U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829615A3 (en) * 1996-08-21 2000-08-09 Röhrenwerk Kupferdreh Carl Hamm GmbH Probing device with threaded connections ,in particular for exploring foundations and old waste dumps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829615A3 (en) * 1996-08-21 2000-08-09 Röhrenwerk Kupferdreh Carl Hamm GmbH Probing device with threaded connections ,in particular for exploring foundations and old waste dumps

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