TW200813297A - Improved coupling structure between lid and base of products of water valve box and manhole cover - Google Patents

Improved coupling structure between lid and base of products of water valve box and manhole cover Download PDF

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Publication number
TW200813297A
TW200813297A TW95132277A TW95132277A TW200813297A TW 200813297 A TW200813297 A TW 200813297A TW 95132277 A TW95132277 A TW 95132277A TW 95132277 A TW95132277 A TW 95132277A TW 200813297 A TW200813297 A TW 200813297A
Authority
TW
Taiwan
Prior art keywords
cover
seat
valve box
water valve
card
Prior art date
Application number
TW95132277A
Other languages
English (en)
Chinese (zh)
Other versions
TWI324199B (fr
Inventor
Yuan-Zhong Cai
Original Assignee
Yuan-Zhong Cai
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 Yuan-Zhong Cai filed Critical Yuan-Zhong Cai
Priority to TW95132277A priority Critical patent/TW200813297A/zh
Publication of TW200813297A publication Critical patent/TW200813297A/zh
Application granted granted Critical
Publication of TWI324199B publication Critical patent/TWI324199B/zh

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  • Preventing Unauthorised Actuation Of Valves (AREA)
TW95132277A 2006-09-01 2006-09-01 Improved coupling structure between lid and base of products of water valve box and manhole cover TW200813297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW95132277A TW200813297A (en) 2006-09-01 2006-09-01 Improved coupling structure between lid and base of products of water valve box and manhole cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW95132277A TW200813297A (en) 2006-09-01 2006-09-01 Improved coupling structure between lid and base of products of water valve box and manhole cover

Publications (2)

Publication Number Publication Date
TW200813297A true TW200813297A (en) 2008-03-16
TWI324199B TWI324199B (fr) 2010-05-01

Family

ID=44768246

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95132277A TW200813297A (en) 2006-09-01 2006-09-01 Improved coupling structure between lid and base of products of water valve box and manhole cover

Country Status (1)

Country Link
TW (1) TW200813297A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502563A (en) * 2012-05-30 2013-12-04 Saint Gobain Pam Uk Ltd Surface access closure with cover and frame linked together
CN107630608A (zh) * 2017-10-12 2018-01-26 天津市京铁铁路机车车辆配件厂 一种用于电力机车车顶人孔盖上的天梯锁

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502563A (en) * 2012-05-30 2013-12-04 Saint Gobain Pam Uk Ltd Surface access closure with cover and frame linked together
GB2502563B (en) * 2012-05-30 2016-02-17 Saint Gobain Construction Products Uk Ltd A surface access closure assembly
CN107630608A (zh) * 2017-10-12 2018-01-26 天津市京铁铁路机车车辆配件厂 一种用于电力机车车顶人孔盖上的天梯锁

Also Published As

Publication number Publication date
TWI324199B (fr) 2010-05-01

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MM4A Annulment or lapse of patent due to non-payment of fees