DE20021835U1 - Drilling anchor - Google Patents

Drilling anchor

Info

Publication number
DE20021835U1
DE20021835U1 DE20021835U DE20021835U DE20021835U1 DE 20021835 U1 DE20021835 U1 DE 20021835U1 DE 20021835 U DE20021835 U DE 20021835U DE 20021835 U DE20021835 U DE 20021835U DE 20021835 U1 DE20021835 U1 DE 20021835U1
Authority
DE
Germany
Prior art keywords
cutting head
anchor according
longitudinal
longitudinal channel
profile
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
DE20021835U
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.)
PERFORATOR GMBH, DE
Original Assignee
Schmidt Kranz and Co 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
Application filed by Schmidt Kranz and Co GmbH filed Critical Schmidt Kranz and Co GmbH
Priority to DE20021835U priority Critical patent/DE20021835U1/en
Publication of DE20021835U1 publication Critical patent/DE20021835U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1. Bohranker, der mindestens eine längskanalisierte Bohrstange (2) mit einem ihren Längskanal (3) stirnseitig verschließenden Schneidkopf (12) und mit einer im Vergleich zum Schneidkopf (12) im Außendurchmesser kleineren umfangsseitigen gewindeartigen Profilierung (4) aufweist, die durch in der Nähe des Schneidkopfs (12) liegende Querbohrungen (16, 17) mit dem Längskanal (3) verbunden ist, wobei die Längsachsen (18, 19) der sich zum Teil vom Längskanal (3) aus schräg in Richtung zum Schneidkopf (12) und teils schräg in die andere Richtung erstreckenden Querbohrungen (16, 17) sich in die Längsachse (21) des Längskanals (3) schneidenden Längsebenen (20) angeordnet sind.1.Bore anchor which has at least one longitudinally channeled boring bar ( 2 ) with a cutting head ( 12 ) closing its longitudinal channel ( 3 ) on the front side and with a smaller peripheral thread-like profile ( 4 ) in comparison to the cutting head ( 12 ) Cross bores ( 16 , 17 ) lying near the cutting head ( 12 ) are connected to the longitudinal channel ( 3 ), the longitudinal axes ( 18 , 19 ) being partly inclined from the longitudinal channel ( 3 ) towards the cutting head ( 12 ) and partly Cross bores ( 16 , 17 ) extending obliquely in the other direction are arranged in the longitudinal planes ( 20 ) intersecting in the longitudinal axis ( 21 ) of the longitudinal channel ( 3 ). 2. Bohranker nach Schutzanspruch 1, bei welchem sich die Längsachsen (18, 19) der Querbohrungen (16, 17) unter einem Winkel von ca. 35° zur Längsachse (21) des Längskanals (3) erstrecken.2. Anchor according to protection claim 1, in which the longitudinal axes ( 18 , 19 ) of the transverse bores ( 16 , 17 ) extend at an angle of approximately 35 ° to the longitudinal axis ( 21 ) of the longitudinal channel ( 3 ). 3. Bohranker nach Schutzanspruch 1 oder 2, bei welchem die Querbohrun­ gen (16, 17) in eine konkav gerundete Gewinderille (5) der umfangsseitig zylindrisch gestalteten Profilierung (4) münden.3. drill anchor according to protection claim 1 or 2, in which the Querbohrun gene ( 16 , 17 ) in a concave rounded thread groove ( 5 ) of the circumferential cylindrical profile ( 4 ) open. 4. Bohranker nach einem der Schutzansprüche 1 bis 3, bei welchem die Breite (B) der Gewinderille (5) der Profilierung (4) größer als die Breite (B1) des Stegs (22) der Profilierung (4) bemessen ist.4. Anchor according to one of the claims 1 to 3, in which the width (B) of the thread groove ( 5 ) of the profile ( 4 ) is larger than the width (B1) of the web ( 22 ) of the profile ( 4 ). 5. Bohranker nach einem der Schutzansprüche 1 bis 4, bei welchem der Schneidkopf (12) lösbar oder unlösbar mit der Bohrstange (2) verbunden ist.5. Anchor according to one of the claims 1 to 4, in which the cutting head ( 12 ) is detachably or non-detachably connected to the boring bar ( 2 ). 6. Bohranker nach einem der Schutzansprüche 1 bis 5, bei welchem der Schneidkopf (12) kegelstumpfförmig ausgebildet ist. 6. Anchor according to one of the claims 1 to 5, in which the cutting head ( 12 ) is frustoconical. 7. Bohranker nach einem der Schutzansprüche 1 bis 6, bei welchem um­ fangsseitig des Schneidkopfs (12) rinnenartige Vertiefungen (14) vorge­ sehen sind.7. Anchor according to one of the claims 1 to 6, in which gutter-like depressions ( 14 ) are seen around the start of the cutting head ( 12 ). 8. Bohranker nach einem der Schutzansprüche 1 bis 7, bei welchem der Schneidkopf (12) mit einem Zapfen (15) im Längskanal (3) fixiert ist.8. Anchor according to one of the claims 1 to 7, in which the cutting head ( 12 ) is fixed with a pin ( 15 ) in the longitudinal channel ( 3 ). 9. Bohranker nach einem der Schutzansprüche 1 bis 8, bei welchem der Schneidkopf (12) mit eine erhöhte Schneidkraft gewährleistenden Schneidkanten (13) versehen ist.9. Anchor according to one of the claims 1 to 8, in which the cutting head ( 12 ) is provided with cutting edges ( 13 ) ensuring increased cutting force. 10. Bohranker nach einem der Schutzansprüche 1 bis 9, bei welchem die mit dem Schneidkopf (12) ausgerüstete Bohrstange (2) über eine im Inneren (9) an die Profilierung (4) angepasste Muffe (7) mit einer weiteren längs­ kanalisierten und umfangseitig gewindeartig profilierten Bohrstange (2) zug- und druckfest kuppelbar ist.10. Anchor according to one of the claims 1 to 9, in which the boring bar ( 2 ) equipped with the cutting head ( 12 ) has a sleeve ( 7 ) adapted to the profiling ( 4 ) in the interior ( 9 ) with a further longitudinally channeled and circumferential side thread-like profiled boring bar ( 2 ) can be coupled in a tensile and compressive manner.
DE20021835U 2000-12-22 2000-12-22 Drilling anchor Expired - Lifetime DE20021835U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20021835U DE20021835U1 (en) 2000-12-22 2000-12-22 Drilling anchor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20021835U DE20021835U1 (en) 2000-12-22 2000-12-22 Drilling anchor

Publications (1)

Publication Number Publication Date
DE20021835U1 true DE20021835U1 (en) 2001-04-05

Family

ID=7950521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20021835U Expired - Lifetime DE20021835U1 (en) 2000-12-22 2000-12-22 Drilling anchor

Country Status (1)

Country Link
DE (1) DE20021835U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7575074B2 (en) 2006-02-20 2009-08-18 Hilti Aktiengesellschaft Drilling head for an anchor
DE102008014700A1 (en) * 2008-03-18 2009-09-24 Dywidag-Systems International Gmbh Corrosion-protected self-drilling anchor and method for its production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7575074B2 (en) 2006-02-20 2009-08-18 Hilti Aktiengesellschaft Drilling head for an anchor
DE102008014700A1 (en) * 2008-03-18 2009-09-24 Dywidag-Systems International Gmbh Corrosion-protected self-drilling anchor and method for its production

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010510

R081 Change of applicant/patentee

Owner name: PERFORATOR GMBH, DE

Free format text: FORMER OWNER: SCHMIDT, KRANZ & CO. GMBH, 37445 WALKENRIED, DE

Effective date: 20030521

R150 Term of protection extended to 6 years

Effective date: 20031212

R151 Term of protection extended to 8 years

Effective date: 20061220

R158 Lapse of ip right after 8 years

Effective date: 20090701