DE20201300U1 - Drill crown, has drilling debris removal grooves extending from open side of crown between two cutting tools to crown base - Google Patents
Drill crown, has drilling debris removal grooves extending from open side of crown between two cutting tools to crown baseInfo
- Publication number
- DE20201300U1 DE20201300U1 DE20201300U DE20201300U DE20201300U1 DE 20201300 U1 DE20201300 U1 DE 20201300U1 DE 20201300 U DE20201300 U DE 20201300U DE 20201300 U DE20201300 U DE 20201300U DE 20201300 U1 DE20201300 U1 DE 20201300U1
- Authority
- DE
- Germany
- Prior art keywords
- drill bit
- discharge
- crown
- approximately
- cutting tools
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
Abstract
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 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 (21)
wobei auf der äußeren Mantelfläche (7) des Kronenkörpers (1) eine Abfuhrnut (8) für Bohrmehl eingebracht ist, die in Bohr-Drehrichtung gesehen von der Nähe der Schneidwerkzeuge (4) ausgehend wendelförmig zum Boden (2) hin verläuft und
wobei im Boden (2) des Kronenkörpers (1) ggf. Bohrmehl-Abfuhröffnungen (9) vorgesehen sind,
dadurch gekennzeichnet,
daß zwei oder mehrere Abfuhrnuten (8) über den Umfang des Kronenkörpers (1) verteilt auf dessen Mantelfläche (7) angeordnet sind und jeweils einenends am Rand der Mantelfläche (7) zwischen jeweils zwei Schneidwerkzeugen (4) und anderenends am bodenseitigen Rand der Mantelfläche (7) münden.1. drill bit with a circular-cylindrical cup-shaped bit body (1) having a frontal base (2) having a shaft connection (3) and at the bottom (2) opposite the open end face of the bit body (1) arranged on the circumference cutting tools (4) .
wherein on the outer lateral surface ( 7 ) of the crown body ( 1 ) a removal groove ( 8 ) for drilling dust is introduced, which, viewed in the direction of drilling rotation, extends from the vicinity of the cutting tools ( 4 ) in a helical manner towards the bottom ( 2 ) and
wherein in the bottom ( 2 ) of the crown body ( 1 ) drilling dust discharge openings ( 9 ) are optionally provided,
characterized by
that two or more discharge grooves ( 8 ) distributed over the circumference of the crown body ( 1 ) are arranged on its outer surface ( 7 ) and each have one end at the edge of the outer surface ( 7 ) between two cutting tools ( 4 ) and the other end at the bottom edge of the outer surface ( 7 ) open.
wobei auf der äußeren Mantelfläche (7) des Kronenkörpers (1) eine Abfuhrnut (8) für Bohrmehl eingebracht ist, die in Bohr-Drehrichtung gesehen von der Nähe der Schneidwerkzeuge (4) ausgehend wendelförmig zum Boden (2) hin verläuft und
wobei im Boden (2) des Kronenkörpers (1) ggf. Bohrmehl-Abfuhröffnungen (9) vorgesehen sind, insbesondere nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die Steigung der Abfuhrnut (8), insbesondere der Abfuhrnuten (8) in be zug auf die Länge und den Durchmesser des Kronenkörpers (1) so bemessen ist, daß die bzw. jede Abfuhrnut (8) auf der Mantelfläche (7) zwischen 135° und 270°, vorzugsweise zwischen etwa 150° und 200°, umläuft.4. drill bit with a circular-cylindrical cup-shaped bit body (1) having a frontal base (2) having a shaft connection (3) and at the bottom (2) opposite the open end face of the bit body (1) arranged on the circumference cutting tools (4) .
wherein on the outer lateral surface ( 7 ) of the crown body ( 1 ) a removal groove ( 8 ) for drilling dust is introduced, which, viewed in the direction of drilling rotation, extends from the vicinity of the cutting tools ( 4 ) in a helical manner towards the bottom ( 2 ) and
wherein drilling dust discharge openings ( 9 ) are provided in the base ( 2 ) of the crown body ( 1 ), in particular according to one of claims 1 to 3,
characterized,
that the slope of the discharge groove ( 8 ), in particular the discharge grooves ( 8 ) in relation to the length and diameter of the crown body ( 1 ) is dimensioned such that the or each discharge groove ( 8 ) on the lateral surface ( 7 ) between 135 ° and 270 °, preferably between about 150 ° and 200 °.
wobei auf der äußeren Mantelfläche (7) des Kronenkörpers (1) eine Abfuhrnut (8) für Bohrmehl eingebracht ist, die in Bohr-Drehrichtung gesehen von der Nähe der Schneidwerkzeuge (4) ausgehend wendelförmig zum Boden (2) hin verläuft und
wobei im Boden (2) des Kronenkörpers (1) ggf. Bohrmehl-Abfuhröffnungen (9) vorgesehen sind, insbesondere nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die bzw. jede Abfuhrnut (8) in einem Winkel von etwa 50° bis 65°, vor zugsweise von etwa 55° bis etwa 60°, zur Mittelachse des Kronenkörpers (1) verläuft.5. drill bit with a circular-cylindrical cup-shaped bit body (1) having a frontal base (2) having a shaft connection (3) and at the bottom (2) opposite the open end face of the bit body (1) arranged on the circumference cutting tools (4) .
wherein on the outer lateral surface ( 7 ) of the crown body ( 1 ) a removal groove ( 8 ) for drilling dust is introduced, which, viewed in the direction of drilling rotation, extends from the vicinity of the cutting tools ( 4 ) in a helical manner towards the bottom ( 2 ) and
wherein drilling dust discharge openings ( 9 ) are provided in the base ( 2 ) of the crown body ( 1 ), in particular according to one of claims 1 to 4,
characterized,
that the or each discharge groove ( 8 ) extends at an angle of approximately 50 ° to 65 °, preferably from approximately 55 ° to approximately 60 °, to the central axis of the crown body ( 1 ).
wobei auf der äußeren Mantelfläche (7) des Kronenkörpers (1) eine Abfuhrnut (8) für Bohrmehl eingebracht ist, die in Bohr-Drehrichtung gesehen von der Nähe der Schneidwerkzeuge (4) ausgehend wendelförmig zum Boden (2) hin verläuft und
wobei im Boden (2) des Kronenkörpers (1) ggf. Bohrmehl-Abfuhröffnungen (9) vorgesehen sind,
insbesondere nach einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet,
daß der Kronenkörper (1) mit mehreren von der äußeren Mantelfläche (7) zu der inneren Mantelfläche (11) des Kronenkörpers (1) durchgehenden Bohr mehl-Abfuhrlöchern (13) versehen ist und daß die Bohrmehl-Abfuhrlöcher (13) die äußere Abfuhrnut (8) bzw. die äußeren Abfuhrnuten (8) schneidend, vorzugsweise in der Abfuhrnut (8) oder über diese beidseits hinausgehend, angeordnet sind.14, drill bit with a circular-cylindrical cup-shaped bit body (1) having a frontal base (2) having a shaft connection (3) and at the bottom (2) opposite the open end face of the bit body (1) arranged on the circumference cutting tools (4) .
wherein on the outer lateral surface ( 7 ) of the crown body ( 1 ) a removal groove ( 8 ) for drilling dust is introduced, which, viewed in the direction of drilling rotation, extends from the vicinity of the cutting tools ( 4 ) in a helical manner towards the bottom ( 2 ) and
wherein in the bottom ( 2 ) of the crown body ( 1 ) drilling dust discharge openings ( 9 ) are optionally provided,
in particular according to one of claims 1 to 13,
characterized,
that the crown body ( 1 ) with several from the outer lateral surface ( 7 ) to the inner lateral surface ( 11 ) of the crown body ( 1 ) through drilling dust removal holes ( 13 ) is provided and that the drilling dust removal holes ( 13 ) the outer discharge groove ( 8 ) or the outer discharge grooves ( 8 ) are arranged to cut, preferably in the discharge groove ( 8 ) or going beyond it on both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20201300U DE20201300U1 (en) | 2002-01-28 | 2002-01-28 | Drill crown, has drilling debris removal grooves extending from open side of crown between two cutting tools to crown base |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20201300U DE20201300U1 (en) | 2002-01-28 | 2002-01-28 | Drill crown, has drilling debris removal grooves extending from open side of crown between two cutting tools to crown base |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20201300U1 true DE20201300U1 (en) | 2003-07-03 |
Family
ID=7967090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20201300U Expired - Lifetime DE20201300U1 (en) | 2002-01-28 | 2002-01-28 | Drill crown, has drilling debris removal grooves extending from open side of crown between two cutting tools to crown base |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20201300U1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101343982B (en) * | 2008-08-22 | 2011-06-15 | 北京市三一重机有限公司 | Double-layer barrel type drilling tool |
WO2013026594A1 (en) * | 2011-08-23 | 2013-02-28 | Robert Bosch Gmbh | Drill bit, in particular ferroconcrete drill bit |
DE102011084436A1 (en) * | 2011-10-13 | 2013-04-18 | Robert Bosch Gmbh | Hammer hollow |
DE102011084445A1 (en) * | 2011-10-13 | 2013-04-18 | Robert Bosch Gmbh | drill bit |
EP2687338A1 (en) * | 2012-07-19 | 2014-01-22 | Black & Decker Inc. | Lighted Power Tool |
US8820955B2 (en) | 2009-02-25 | 2014-09-02 | Black & Decker Inc. | Power tool with light emitting assembly |
US8827483B2 (en) | 2009-02-25 | 2014-09-09 | Black & Decker Inc. | Light for a power tool and method of illuminating a workpiece |
US9028088B2 (en) | 2010-09-30 | 2015-05-12 | Black & Decker Inc. | Lighted power tool |
US9242355B2 (en) | 2012-04-17 | 2016-01-26 | Black & Decker Inc. | Illuminated power tool |
US9352458B2 (en) | 2009-02-25 | 2016-05-31 | Black & Decker Inc. | Power tool with light for illuminating workpiece |
US9579732B2 (en) | 2012-07-18 | 2017-02-28 | Milwaukee Electric Tool Corporation | Hole saw |
US11148212B2 (en) | 2018-07-10 | 2021-10-19 | Milwaukee Electric Tool Corporation | Hole saw with hex sidewall holes |
USD958855S1 (en) | 2019-12-09 | 2022-07-26 | Milwaukee Electric Tool Corporation | Hole saw |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3692127A (en) * | 1971-05-10 | 1972-09-19 | Walter R Hampe | Rotary diamond core bit |
US3848687A (en) * | 1972-02-08 | 1974-11-19 | Eishin Kk | Hole saw |
AT373196B (en) * | 1980-11-11 | 1983-12-27 | Swarovski Tyrolit Schleif | HOLLOW DRILL |
JPH03156091A (en) * | 1989-11-11 | 1991-07-04 | Noritake Dia Kk | Core bit |
DE19602903A1 (en) * | 1995-04-27 | 1996-10-31 | Hawera Probst Kg Hartmetall | Drill bit tube |
DE19715109A1 (en) * | 1997-04-11 | 1998-10-15 | Upat Max Langensiepen Kg | Drilling tool |
-
2002
- 2002-01-28 DE DE20201300U patent/DE20201300U1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3692127A (en) * | 1971-05-10 | 1972-09-19 | Walter R Hampe | Rotary diamond core bit |
US3848687A (en) * | 1972-02-08 | 1974-11-19 | Eishin Kk | Hole saw |
AT373196B (en) * | 1980-11-11 | 1983-12-27 | Swarovski Tyrolit Schleif | HOLLOW DRILL |
JPH03156091A (en) * | 1989-11-11 | 1991-07-04 | Noritake Dia Kk | Core bit |
DE19602903A1 (en) * | 1995-04-27 | 1996-10-31 | Hawera Probst Kg Hartmetall | Drill bit tube |
DE19715109A1 (en) * | 1997-04-11 | 1998-10-15 | Upat Max Langensiepen Kg | Drilling tool |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101343982B (en) * | 2008-08-22 | 2011-06-15 | 北京市三一重机有限公司 | Double-layer barrel type drilling tool |
US8820955B2 (en) | 2009-02-25 | 2014-09-02 | Black & Decker Inc. | Power tool with light emitting assembly |
US8827483B2 (en) | 2009-02-25 | 2014-09-09 | Black & Decker Inc. | Light for a power tool and method of illuminating a workpiece |
US9352458B2 (en) | 2009-02-25 | 2016-05-31 | Black & Decker Inc. | Power tool with light for illuminating workpiece |
US9328915B2 (en) | 2010-09-30 | 2016-05-03 | Black & Decker Inc. | Lighted power tool |
US10543588B2 (en) | 2010-09-30 | 2020-01-28 | Black & Decker Inc. | Lighted power tool |
US9644837B2 (en) | 2010-09-30 | 2017-05-09 | Black & Decker Inc. | Lighted power tool |
US11090786B2 (en) | 2010-09-30 | 2021-08-17 | Black & Decker Inc. | Lighted power tool |
US9028088B2 (en) | 2010-09-30 | 2015-05-12 | Black & Decker Inc. | Lighted power tool |
WO2013026594A1 (en) * | 2011-08-23 | 2013-02-28 | Robert Bosch Gmbh | Drill bit, in particular ferroconcrete drill bit |
DE102011084445A1 (en) * | 2011-10-13 | 2013-04-18 | Robert Bosch Gmbh | drill bit |
DE102011084436B4 (en) * | 2011-10-13 | 2015-10-01 | Robert Bosch Gmbh | Hammer hollow |
DE102011084436A1 (en) * | 2011-10-13 | 2013-04-18 | Robert Bosch Gmbh | Hammer hollow |
US9242355B2 (en) | 2012-04-17 | 2016-01-26 | Black & Decker Inc. | Illuminated power tool |
US10173307B2 (en) | 2012-04-17 | 2019-01-08 | Black & Decker Inc. | Illuminated power tool |
US9579732B2 (en) | 2012-07-18 | 2017-02-28 | Milwaukee Electric Tool Corporation | Hole saw |
US10086445B2 (en) | 2012-07-18 | 2018-10-02 | Milwaukee Electric Tool Corporation | Hole saw |
US10751811B2 (en) | 2012-07-18 | 2020-08-25 | Milwaukee Electric Tool Corporation | Hole saw |
USRE48513E1 (en) | 2012-07-18 | 2021-04-13 | Milwaukee Electric Tool Corporation | Hole saw |
US11084108B2 (en) | 2012-07-18 | 2021-08-10 | Milwaukee Electric Tool Corporation | Hole saw |
US11084107B2 (en) | 2012-07-18 | 2021-08-10 | Milwaukee Electric Tool Corporation | Hole saw |
US11745273B2 (en) | 2012-07-18 | 2023-09-05 | Milwaukee Electric Tool Corporation | Hole saw |
EP2687338A1 (en) * | 2012-07-19 | 2014-01-22 | Black & Decker Inc. | Lighted Power Tool |
US11148212B2 (en) | 2018-07-10 | 2021-10-19 | Milwaukee Electric Tool Corporation | Hole saw with hex sidewall holes |
US11845134B2 (en) | 2018-07-10 | 2023-12-19 | Milwaukee Electric Tool Corporation | Hole saw with hex sidewall holes |
USD958855S1 (en) | 2019-12-09 | 2022-07-26 | Milwaukee Electric Tool Corporation | Hole saw |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R163 | Identified publications notified | ||
R207 | Utility model specification |
Effective date: 20030807 |
|
R081 | Change of applicant/patentee |
Owner name: ILLINOIS TOOL WORKS INC., US Free format text: FORMER OWNER: GEBRUEDER HELLER DINKLAGE GMBH, 49413 DINKLAGE, DE Effective date: 20030827 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20050315 |
|
R151 | Term of protection extended to 8 years |
Effective date: 20080403 |
|
R152 | Term of protection extended to 10 years |
Effective date: 20100222 |
|
R071 | Expiry of right | ||
R071 | Expiry of right |