HK1160583A2 - Ovality measuring tool - Google Patents

Ovality measuring tool

Info

Publication number
HK1160583A2
HK1160583A2 HK11105196A HK11105196A HK1160583A2 HK 1160583 A2 HK1160583 A2 HK 1160583A2 HK 11105196 A HK11105196 A HK 11105196A HK 11105196 A HK11105196 A HK 11105196A HK 1160583 A2 HK1160583 A2 HK 1160583A2
Authority
HK
Hong Kong
Prior art keywords
measuring tool
ovality measuring
ovality
tool
measuring
Prior art date
Application number
HK11105196A
Inventor
Lee Wai Keung Carson
Cheung Wai Yeung
Original Assignee
Hong Kong And China Gas Company 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 Hong Kong And China Gas Company Ltd filed Critical Hong Kong And China Gas Company Ltd
Priority to HK11105196A priority Critical patent/HK1160583A2/en
Priority to CN 201220155738 priority patent/CN202836467U/en
Priority to CN201210108013.1A priority patent/CN102798330B/en
Publication of HK1160583A2 publication Critical patent/HK1160583A2/en
Priority to HK13101174.1A priority patent/HK1173773A1/en

Links

HK11105196A 2011-05-24 2011-05-24 Ovality measuring tool HK1160583A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
HK11105196A HK1160583A2 (en) 2011-05-24 2011-05-24 Ovality measuring tool
CN 201220155738 CN202836467U (en) 2011-05-24 2012-04-13 Ovality measuring tool
CN201210108013.1A CN102798330B (en) 2011-05-24 2012-04-13 Ovality measuring tool
HK13101174.1A HK1173773A1 (en) 2011-05-24 2013-01-28 Ovality measuring tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK11105196A HK1160583A2 (en) 2011-05-24 2011-05-24 Ovality measuring tool

Publications (1)

Publication Number Publication Date
HK1160583A2 true HK1160583A2 (en) 2012-07-20

Family

ID=47197536

Family Applications (2)

Application Number Title Priority Date Filing Date
HK11105196A HK1160583A2 (en) 2011-05-24 2011-05-24 Ovality measuring tool
HK13101174.1A HK1173773A1 (en) 2011-05-24 2013-01-28 Ovality measuring tool

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK13101174.1A HK1173773A1 (en) 2011-05-24 2013-01-28 Ovality measuring tool

Country Status (2)

Country Link
CN (2) CN102798330B (en)
HK (2) HK1160583A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HK1160583A2 (en) * 2011-05-24 2012-07-20 Hong Kong And China Gas Company Ltd Ovality measuring tool
CN108759605B (en) * 2018-05-16 2023-06-13 中车眉山车辆有限公司 Device and method for finding geometric centers of oblong holes and elliptical holes
CN109631795B (en) * 2019-01-15 2024-03-26 浙江工业大学之江学院 Elbow section ellipticity measuring device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2505786B2 (en) * 1987-01-19 1996-06-12 飯島精密工業株式会社 Cylindrical object size measuring device
JPH11108602A (en) * 1997-09-30 1999-04-23 Toshiba Corp Out-of-roundness measuring instrument
JP2000292161A (en) * 1999-04-05 2000-10-20 Toshiba Corp Circularity measuring instrument
CN2705773Y (en) * 2004-05-25 2005-06-22 焦作工学院 Internal diameter measurer
CN201535658U (en) * 2009-11-10 2010-07-28 镇瑜 Pipeline roundness measuring instrument
HK1160583A2 (en) * 2011-05-24 2012-07-20 Hong Kong And China Gas Company Ltd Ovality measuring tool

Also Published As

Publication number Publication date
HK1173773A1 (en) 2013-05-24
CN202836467U (en) 2013-03-27
CN102798330A (en) 2012-11-28
CN102798330B (en) 2015-07-08

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Legal Events

Date Code Title Description
PEU Short-term patents expired

Effective date: 20190523