SU694629A1 - Coupling for stepwise grouting of casing - Google Patents

Coupling for stepwise grouting of casing

Info

Publication number
SU694629A1
SU694629A1 SU772516338A SU2516338A SU694629A1 SU 694629 A1 SU694629 A1 SU 694629A1 SU 772516338 A SU772516338 A SU 772516338A SU 2516338 A SU2516338 A SU 2516338A SU 694629 A1 SU694629 A1 SU 694629A1
Authority
SU
USSR - Soviet Union
Prior art keywords
grouting
stepwise
casing
coupling
stepwise grouting
Prior art date
Application number
SU772516338A
Other languages
Russian (ru)
Inventor
Boris T Bunyak
Vladimir Zilberman
Nikolaj N Melnik
Original Assignee
Boris T Bunyak
Vladimir Zilberman
Nikolaj N Melnik
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 Boris T Bunyak, Vladimir Zilberman, Nikolaj N Melnik filed Critical Boris T Bunyak
Priority to SU772516338A priority Critical patent/SU694629A1/en
Application granted granted Critical
Publication of SU694629A1 publication Critical patent/SU694629A1/en

Links

SU772516338A 1977-08-17 1977-08-17 Coupling for stepwise grouting of casing SU694629A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU772516338A SU694629A1 (en) 1977-08-17 1977-08-17 Coupling for stepwise grouting of casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772516338A SU694629A1 (en) 1977-08-17 1977-08-17 Coupling for stepwise grouting of casing

Publications (1)

Publication Number Publication Date
SU694629A1 true SU694629A1 (en) 1979-10-30

Family

ID=20721630

Family Applications (1)

Application Number Title Priority Date Filing Date
SU772516338A SU694629A1 (en) 1977-08-17 1977-08-17 Coupling for stepwise grouting of casing

Country Status (1)

Country Link
SU (1) SU694629A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500060A (en) * 2019-09-26 2019-11-26 中铁隧道局集团有限公司 A kind of quick grouting device of segmentation protrusive drilling rod, system and grouting method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500060A (en) * 2019-09-26 2019-11-26 中铁隧道局集团有限公司 A kind of quick grouting device of segmentation protrusive drilling rod, system and grouting method

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