CN1758977B - 铲状钻头 - Google Patents

铲状钻头 Download PDF

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Publication number
CN1758977B
CN1758977B CN03826138.3A CN03826138A CN1758977B CN 1758977 B CN1758977 B CN 1758977B CN 03826138 A CN03826138 A CN 03826138A CN 1758977 B CN1758977 B CN 1758977B
Authority
CN
China
Prior art keywords
center point
drill bit
screw thread
discontinuous
blade
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
CN03826138.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN1758977A (zh
Inventor
于尔根·维克
格雷戈里·A·菲利普斯
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.)
Credo Technology Corp
Original Assignee
Credo Technology Corp
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 Credo Technology Corp filed Critical Credo Technology Corp
Publication of CN1758977A publication Critical patent/CN1758977A/zh
Application granted granted Critical
Publication of CN1758977B publication Critical patent/CN1758977B/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G15/00—Boring or turning tools; Augers
CN03826138.3A 2003-03-11 2003-03-11 铲状钻头 Expired - Lifetime CN1758977B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/007184 WO2004080632A1 (fr) 2003-03-11 2003-03-11 Trepan en forme de pelle

Publications (2)

Publication Number Publication Date
CN1758977A CN1758977A (zh) 2006-04-12
CN1758977B true CN1758977B (zh) 2012-12-05

Family

ID=32986329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN03826138.3A Expired - Lifetime CN1758977B (zh) 2003-03-11 2003-03-11 铲状钻头

Country Status (4)

Country Link
EP (1) EP1606073B1 (fr)
CN (1) CN1758977B (fr)
AU (1) AU2003225722A1 (fr)
WO (1) WO2004080632A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7246976B2 (en) * 2003-10-21 2007-07-24 Textron Innovations Inc. Spade bit
US7416371B2 (en) 2004-05-04 2008-08-26 Irwin Industrial Tool Company Wood boring bit with increased speed, efficiency and ease of use
US7473056B2 (en) * 2005-10-20 2009-01-06 Irwin Industrial Tool Company Spade bit
GB2431368B (en) * 2005-10-20 2010-03-03 Irwin Ind Tool Co Spade bit
US8979444B2 (en) 2007-06-07 2015-03-17 Robert Bosch Gmbh Cutting bit adapted to cut metal and wood and associated method
WO2009021384A1 (fr) * 2007-08-10 2009-02-19 Qi Zhang Mèche plate destinée à percer à travers un matériau en bois
US8262325B2 (en) 2007-10-10 2012-09-11 Robert Bosch Gmbh Spade bit having threaded conical tip portion
US7887269B2 (en) 2007-10-10 2011-02-15 Robert Bosch Gmbh Spade bit with improved cutting geometry
WO2009049069A1 (fr) 2007-10-10 2009-04-16 Robert Bosch Gmbh Trépan ayant une caractéristique d'alésoir
EP3098042B1 (fr) * 2014-01-23 2018-04-04 Hangzhou Great Star Tools Co., Ltd. Mèche plate
USD863384S1 (en) * 2018-04-30 2019-10-15 Disston Company Spade drill bit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US248854A (en) * 1881-11-01 Auger
US2627292A (en) * 1947-09-08 1953-02-03 United Drill And Tool Corp Auger bit
US2883888A (en) * 1951-08-17 1959-04-28 Arthur H Stewart Boring tool and method for making same
US5221166A (en) * 1991-07-31 1993-06-22 Enderes Tool Co., Inc. Spade-type drill bit apparatus and method
US5433561A (en) * 1992-05-20 1995-07-18 Vermont American Corporation Wood bit and method of making

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3908897A (en) * 1996-08-08 1998-02-25 Vermont American Corporation Spade bit
DE10007736A1 (de) 2000-02-02 2001-08-16 Giebmanns Karl Heinz Holzbohrer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US248854A (en) * 1881-11-01 Auger
US2627292A (en) * 1947-09-08 1953-02-03 United Drill And Tool Corp Auger bit
US2883888A (en) * 1951-08-17 1959-04-28 Arthur H Stewart Boring tool and method for making same
US5221166A (en) * 1991-07-31 1993-06-22 Enderes Tool Co., Inc. Spade-type drill bit apparatus and method
US5433561A (en) * 1992-05-20 1995-07-18 Vermont American Corporation Wood bit and method of making

Also Published As

Publication number Publication date
WO2004080632A1 (fr) 2004-09-23
CN1758977A (zh) 2006-04-12
EP1606073B1 (fr) 2012-11-21
EP1606073A4 (fr) 2011-04-20
AU2003225722A1 (en) 2004-09-30
EP1606073A1 (fr) 2005-12-21

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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Granted publication date: 20121205

CX01 Expiry of patent term