HK1036557A2 - Combination bit - Google Patents

Combination bit

Info

Publication number
HK1036557A2
HK1036557A2 HK01106107A HK01106107A HK1036557A2 HK 1036557 A2 HK1036557 A2 HK 1036557A2 HK 01106107 A HK01106107 A HK 01106107A HK 01106107 A HK01106107 A HK 01106107A HK 1036557 A2 HK1036557 A2 HK 1036557A2
Authority
HK
Hong Kong
Prior art keywords
combination bit
bit
combination
Prior art date
Application number
HK01106107A
Inventor
Chor Shing Cheng
Original Assignee
Hd Engineering Ltd
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 Hd Engineering Ltd filed Critical Hd Engineering Ltd
Priority to HK01106107A priority Critical patent/HK1036557A2/en
Publication of HK1036557A2 publication Critical patent/HK1036557A2/en
Priority to CN 02101857 priority patent/CN1373282A/en

Links

HK01106107A 2001-08-29 2001-08-29 Combination bit HK1036557A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HK01106107A HK1036557A2 (en) 2001-08-29 2001-08-29 Combination bit
CN 02101857 CN1373282A (en) 2001-08-29 2002-01-16 Combined drilling and digging tool for straight hole and hole expansion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK01106107A HK1036557A2 (en) 2001-08-29 2001-08-29 Combination bit

Publications (1)

Publication Number Publication Date
HK1036557A2 true HK1036557A2 (en) 2001-12-14

Family

ID=10945354

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01106107A HK1036557A2 (en) 2001-08-29 2001-08-29 Combination bit

Country Status (2)

Country Link
CN (1) CN1373282A (en)
HK (1) HK1036557A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602005003135T8 (en) * 2004-06-09 2009-01-08 Halliburton Energy Services N.V. MAGNIFICATION AND STABILIZATION TOOL FOR A HOLE
JP4699304B2 (en) * 2006-07-05 2011-06-08 システム計測株式会社 Widened bucket
CN101974905B (en) * 2010-10-22 2013-04-24 上海中技桩业股份有限公司 Pile-embedding method for hollow pile and auger drill for implementing same
CN105065030A (en) * 2015-08-09 2015-11-18 刘玉秋 Diamond pipe jacking equipment
CN105625947B (en) * 2016-03-24 2018-12-25 平煤建工集团特殊凿井工程有限公司 A kind of drill bit for Drilling variable aperture stake holes

Also Published As

Publication number Publication date
CN1373282A (en) 2002-10-09

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Legal Events

Date Code Title Description
PF Patent in force
PEU Short-term patents expired

Effective date: 20090828