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JPS5623122A - Hydraulic hoist - Google Patents

Hydraulic hoist

Info

Publication number
JPS5623122A
JPS5623122A JP7777580A JP7777580A JPS5623122A JP S5623122 A JPS5623122 A JP S5623122A JP 7777580 A JP7777580 A JP 7777580A JP 7777580 A JP7777580 A JP 7777580A JP S5623122 A JPS5623122 A JP S5623122A
Authority
JP
Japan
Prior art keywords
slurry
pipe
pipes
under pressure
sent under
Prior art date
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.)
Granted
Application number
JP7777580A
Other languages
Japanese (ja)
Other versions
JPS5823296B2 (en
Inventor
Masakatsu Sakamoto
Kenji Uchida
Isao Honma
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7777580A priority Critical patent/JPS5823296B2/en
Publication of JPS5623122A publication Critical patent/JPS5623122A/en
Publication of JPS5823296B2 publication Critical patent/JPS5823296B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To enable the high viscosity slurry to be sent under pressure with a low pressure slurry pump by a method wherein a reciprocate piston is arranged at the bottom portion of a hopper installed on a main pipe of slurry supply pipes and a throttle is provided in a main pipe of return pipes for operating liquid.
CONSTITUTION: Values 2aW2c and 4aW4c are closed, values 6aW6c and 8aW8c are opened and the slurry sent under pressure through a main slurry supply pipe 7 is supplied to slurry delivering pipes 1aW1c. Thereafter, if each of the said values is opened and closed to the contrary and a high pressure operating liquid pump 3 is driven, the slurry filled in each delivering pipe 1aW1c is sent under pressure by the operating liquid to the transportation pipe 5. In a hydraulic hoist driven in such a manner the hopper 13 with a funnel-shaped section is fixed to the base end of the main pipe 7 and the reciprocate piston 14 is provided in the circular portion 13a so that it can be free to move. Further, the throttle 15 is provided in a main pipe 9 connecting with operating liquid return pipes 9aW9c in order to give back pressure to the slurry when it is sent under pressure to the delivering pipes.
COPYRIGHT: (C)1981,JPO&Japio
JP7777580A 1980-06-11 1980-06-11 hydro hoist Expired JPS5823296B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7777580A JPS5823296B2 (en) 1980-06-11 1980-06-11 hydro hoist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7777580A JPS5823296B2 (en) 1980-06-11 1980-06-11 hydro hoist

Publications (2)

Publication Number Publication Date
JPS5623122A true JPS5623122A (en) 1981-03-04
JPS5823296B2 JPS5823296B2 (en) 1983-05-14

Family

ID=13643324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7777580A Expired JPS5823296B2 (en) 1980-06-11 1980-06-11 hydro hoist

Country Status (1)

Country Link
JP (1) JPS5823296B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02149907U (en) * 1989-05-24 1990-12-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02149907U (en) * 1989-05-24 1990-12-21

Also Published As

Publication number Publication date
JPS5823296B2 (en) 1983-05-14

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