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GB1395855A - Twist drill - Google Patents

Twist drill

Info

Publication number
GB1395855A
GB1395855A GB4461373A GB4461373A GB1395855A GB 1395855 A GB1395855 A GB 1395855A GB 4461373 A GB4461373 A GB 4461373A GB 4461373 A GB4461373 A GB 4461373A GB 1395855 A GB1395855 A GB 1395855A
Authority
GB
United Kingdom
Prior art keywords
projections
sept
recesses
head
twist drill
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
Application number
GB4461373A
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.)
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Original Assignee
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=5857307&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB1395855(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG filed Critical Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Publication of GB1395855A publication Critical patent/GB1395855A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/02—Connections between shanks and removable cutting heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)

Abstract

1395855 Twist drills HAWERA PROBST KG HARTMETALLWERKZEUGFABRIK RAVENSBURG 24 Sept 1973 [25 Sept 1972] 44613/73 Heading B3C A twist drill comprises a fluted steel shank 1, and a hard metal fluted head 2, both members having guiding surfaces 10, 11, and connecting projections and recesses 23, 24, which are of trapezoidal form tapering towards the drill axis. The head and shank are soldered together. The side faces (25a) of the projections, Fig. 6 (not shown), may be curved. More than two pairs of projections and recesses may be provided.
GB4461373A 1972-09-25 1973-09-24 Twist drill Expired GB1395855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722246965 DE2246965A1 (en) 1972-09-25 1972-09-25 TWIST DRILLS

Publications (1)

Publication Number Publication Date
GB1395855A true GB1395855A (en) 1975-05-29

Family

ID=5857307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4461373A Expired GB1395855A (en) 1972-09-25 1973-09-24 Twist drill

Country Status (4)

Country Link
DE (1) DE2246965A1 (en)
FR (1) FR2200077B1 (en)
GB (1) GB1395855A (en)
NL (1) NL7313160A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7309196B2 (en) 2004-10-05 2007-12-18 Kennametal Inc. Modular drill
US7360974B2 (en) 2002-02-21 2008-04-22 Kennametal Inc. Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
US7377730B2 (en) 2004-05-24 2008-05-27 Iscar Ltd. Drill with releasably mounted cutting head
US7407350B2 (en) 2004-10-28 2008-08-05 Iscar Ltd. Cutting tool assembly and cutting head therefor
US20120009034A1 (en) * 2010-07-06 2012-01-12 Thomas Mack Drilling tool
USD798922S1 (en) 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for rotary drill
US10040132B2 (en) 2015-06-24 2018-08-07 Kennametal Inc. Rotary tool, in particular a drill for such a rotary tool
US10052698B2 (en) 2013-10-15 2018-08-21 Kennametal Inc. Modular carrier tool and tool head
US10071430B2 (en) 2015-10-07 2018-09-11 Kennametal Inc. Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head
US10213845B2 (en) 2014-04-08 2019-02-26 Kennametal Inc. Rotary tool, in particular a drill, and a cutting head for said rotary tool
US10799958B2 (en) 2017-08-21 2020-10-13 Kennametal Inc. Modular rotary cutting tool
US11911830B2 (en) 2019-06-13 2024-02-27 Kennametal India Ltd. Indexable drilling inserts
US12472566B2 (en) 2021-08-17 2025-11-18 Kennametal India Ltd. Indexable drill assembly with coolant system

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222690A (en) * 1977-12-03 1980-09-16 Ryosuke Hosoi Drill having cutting edges with the greatest curvature at the central portion thereof
DE3611998A1 (en) * 1986-04-09 1987-10-15 Guehring Gottlieb Fa FULL HARD METAL DRILL DRILL WITH INSIDE COOLING CHANNELS
DE3615940A1 (en) * 1986-05-12 1987-11-19 Guehring Gottlieb Fa METHOD FOR INSERTING DEEP HOLES IN A WORKPIECE
DE4314868C2 (en) * 1993-05-05 2002-05-16 Hawera Probst Kg Hartmetall drilling
JPH11500967A (en) * 1995-03-03 1999-01-26 コメート プレツィジオーンスヴェルクツォイゲ ローベルト ブロイニング ゲゼルシャフト ミット ベシュレンクテル ハフツング Drilling tool
DE19543233A1 (en) * 1995-11-07 1997-05-15 Johne & Co Praezisionswerkzeug Drill tool with interchangeable tip
SE511429C2 (en) * 1996-09-13 1999-09-27 Seco Tools Ab Tools, cutting part, tool body for cutting machining and method of mounting cutting part to tool body
IL120948A0 (en) * 1997-05-29 1997-09-30 Iscar Ltd Cutting tool assembly
US6506003B1 (en) 2001-10-02 2003-01-14 Kennametal Inc. Cutting tool
US6582164B1 (en) 2002-02-25 2003-06-24 Kennametal Inc. Roller twist drill
DE102012202976A1 (en) * 2011-02-28 2012-08-30 Ceram Tec Gmbh Milling cutters for hard cutting
DE102012020185B3 (en) 2012-10-15 2014-03-06 Kennametal Inc. Reamer has cutter portion that is secured at shaft, chip grooves that are provided at cutter portion and are passed into chip groove foothills at external periphery of shaft

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE200708C (en) * 1907-12-24
US2259611A (en) * 1941-03-19 1941-10-21 George M Burger Drill

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8366358B2 (en) 2002-02-21 2013-02-05 Kennametal Inc. Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
US7360974B2 (en) 2002-02-21 2008-04-22 Kennametal Inc. Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
US8807888B2 (en) 2002-02-21 2014-08-19 Kennametal Inc. Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
US7832967B2 (en) 2002-02-21 2010-11-16 Kennametal Inc. Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
US7377730B2 (en) 2004-05-24 2008-05-27 Iscar Ltd. Drill with releasably mounted cutting head
CN100453223C (en) * 2004-05-24 2009-01-21 伊斯卡有限公司 Drill with releasably assembled cutting bit and method of assembling the drill
USRE44915E1 (en) 2004-10-05 2014-05-27 Kennametal Inc. Modular drill
US7309196B2 (en) 2004-10-05 2007-12-18 Kennametal Inc. Modular drill
US7407350B2 (en) 2004-10-28 2008-08-05 Iscar Ltd. Cutting tool assembly and cutting head therefor
US20120009034A1 (en) * 2010-07-06 2012-01-12 Thomas Mack Drilling tool
US9073128B2 (en) * 2010-07-06 2015-07-07 Kennametal Inc. Drilling tool
US10052698B2 (en) 2013-10-15 2018-08-21 Kennametal Inc. Modular carrier tool and tool head
US10213845B2 (en) 2014-04-08 2019-02-26 Kennametal Inc. Rotary tool, in particular a drill, and a cutting head for said rotary tool
US10040132B2 (en) 2015-06-24 2018-08-07 Kennametal Inc. Rotary tool, in particular a drill for such a rotary tool
USD798922S1 (en) 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for rotary drill
US10071430B2 (en) 2015-10-07 2018-09-11 Kennametal Inc. Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head
US10799958B2 (en) 2017-08-21 2020-10-13 Kennametal Inc. Modular rotary cutting tool
US11911830B2 (en) 2019-06-13 2024-02-27 Kennametal India Ltd. Indexable drilling inserts
US12472566B2 (en) 2021-08-17 2025-11-18 Kennametal India Ltd. Indexable drill assembly with coolant system

Also Published As

Publication number Publication date
NL7313160A (en) 1974-03-27
FR2200077B1 (en) 1978-02-10
DE2246965A1 (en) 1974-04-11
FR2200077A1 (en) 1974-04-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee