FR1342689A - Perfectionnements aux appareils pompant du liquide, permettant de dériver le débitd'une pompe - Google Patents

Perfectionnements aux appareils pompant du liquide, permettant de dériver le débitd'une pompe

Info

Publication number: FR1342689A
Authority: FR; France
Prior art keywords: bypass; allowing; pump; flow; pumping liquid
Prior art date: 1963-01-09
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

Application number

FR920900A

Other languages

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.)

University of Surrey

Original Assignee

University of Surrey

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.)

1963-01-09

Filing date

1963-01-09

Publication date

1963-11-08

1963-01-09 Application filed by University of Surrey filed Critical University of Surrey

1963-01-09 Priority to FR920900A priority Critical patent/FR1342689A/fr

1963-11-08 Application granted granted Critical

1963-11-08 Publication of FR1342689A publication Critical patent/FR1342689A/fr

Status Expired legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Mechanical Engineering (AREA)
Structural Engineering (AREA)

FR920900A 1963-01-09 1963-01-09 Perfectionnements aux appareils pompant du liquide, permettant de dériver le débitd'une pompe Expired FR1342689A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR920900A FR1342689A (fr)	1963-01-09	1963-01-09	Perfectionnements aux appareils pompant du liquide, permettant de dériver le débitd'une pompe

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR920900A FR1342689A (fr)	1963-01-09	1963-01-09	Perfectionnements aux appareils pompant du liquide, permettant de dériver le débitd'une pompe

Publications (1)

Publication Number	Publication Date
FR1342689A true FR1342689A (fr)	1963-11-08

Family

ID=8794360

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR920900A Expired FR1342689A (fr)	1963-01-09	1963-01-09	Perfectionnements aux appareils pompant du liquide, permettant de dériver le débitd'une pompe

Country Status (1)

Country	Link
FR (1)	FR1342689A (fr)

1963
- 1963-01-09 FR FR920900A patent/FR1342689A/fr not_active Expired

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