GB1378868A - Countersinker assembly - Google Patents

Countersinker assembly

Info

Publication number
GB1378868A
GB1378868A GB5986571A GB5986571A GB1378868A GB 1378868 A GB1378868 A GB 1378868A GB 5986571 A GB5986571 A GB 5986571A GB 5986571 A GB5986571 A GB 5986571A GB 1378868 A GB1378868 A GB 1378868A
Authority
GB
United Kingdom
Prior art keywords
countersinker
halves
drill
assembly
swarf
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
GB5986571A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1378868A publication Critical patent/GB1378868A/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
    • B23B51/10—Bits for countersinking
    • B23B51/108—Bits for countersinking having a centering drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

1378868 Countersinkers A KNUTSSON 23 Dec 1971 [21 Jan 1971] 59865/71 Heading B3C A countersinker assembly which is to be attached to a spiral fluted drill comprises a countersinker having an axial bore to accommodate the drill 1 and which is divided longitudinally into two halves 2, 2 which are each provided with a cutting edge, and collars 4, 5, screw threaded together to engage conical surfaces on the countersinker halves 2, 2 for urging the halves towards one another to grip the drill 1. Swarf diverting elements are screwed to each half 2 by means of a tapped hole 9 to prevent ingress of swarf.
GB5986571A 1971-01-21 1971-12-23 Countersinker assembly Expired GB1378868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE68571 1971-01-21

Publications (1)

Publication Number Publication Date
GB1378868A true GB1378868A (en) 1974-12-27

Family

ID=20256952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5986571A Expired GB1378868A (en) 1971-01-21 1971-12-23 Countersinker assembly

Country Status (5)

Country Link
JP (1) JPS5638324B1 (en)
DE (1) DE2162706A1 (en)
FR (1) FR2122862A5 (en)
GB (1) GB1378868A (en)
IT (1) IT948252B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071295A (en) * 1989-04-07 1991-12-10 Sandvik Limited Cutters
US7090447B2 (en) * 2001-01-13 2006-08-15 Kennametal Inc. Twist drill for drilling with a countersink cutting arrangement, and a cutting tool with a countersink cutting arrangement, and a cutting-chamfering tool
CN102941604A (en) * 2012-11-23 2013-02-27 成都恒成工具股份有限公司 Cutter and manufacturing method thereof for machining wooden counterbore

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE430041B (en) * 1978-04-26 1983-10-17 Ake Knutsson FORS KARE
DE29616165U1 (en) * 1996-09-17 1998-01-22 Widia GmbH, 45145 Essen Tool adapter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL279076A (en) * 1961-06-24

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071295A (en) * 1989-04-07 1991-12-10 Sandvik Limited Cutters
US7090447B2 (en) * 2001-01-13 2006-08-15 Kennametal Inc. Twist drill for drilling with a countersink cutting arrangement, and a cutting tool with a countersink cutting arrangement, and a cutting-chamfering tool
CN102941604A (en) * 2012-11-23 2013-02-27 成都恒成工具股份有限公司 Cutter and manufacturing method thereof for machining wooden counterbore
CN102941604B (en) * 2012-11-23 2014-07-02 成都恒成工具股份有限公司 Cutter and manufacturing method thereof for machining wooden counterbore

Also Published As

Publication number Publication date
JPS5638324B1 (en) 1981-09-05
IT948252B (en) 1973-05-30
FR2122862A5 (en) 1972-09-01
DE2162706A1 (en) 1972-08-03

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Legal Events

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