JPS57107307A - Constant quantity supply device for damp mud - Google Patents

Constant quantity supply device for damp mud

Info

Publication number
JPS57107307A
JPS57107307A JP18211080A JP18211080A JPS57107307A JP S57107307 A JPS57107307 A JP S57107307A JP 18211080 A JP18211080 A JP 18211080A JP 18211080 A JP18211080 A JP 18211080A JP S57107307 A JPS57107307 A JP S57107307A
Authority
JP
Japan
Prior art keywords
mud
screw threads
deposited
screw
transportation
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.)
Pending
Application number
JP18211080A
Other languages
Japanese (ja)
Inventor
Kiyoshi Uyama
Haruto Tsuboi
Isao Ishii
Katsunori Ishizaki
Noburo Inokawa
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP18211080A priority Critical patent/JPS57107307A/en
Publication of JPS57107307A publication Critical patent/JPS57107307A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the transportation ability by alternately disposing parallel screw shafts, one makes turning motion only and the other makes axial movement as well as turning, so as to give a least chance that mud will be deposited on the screws.
CONSTITUTION: Screw shafts 4a, 4b which are parallelly disposed and have screw threads 5a, 5b on the same direction so as to turn uni-directionally are arranged in such a manner that those threads 5a, 5b are mutually raised into their pitches. The shaft 4a is held as to make turning motion only and the shaft 4b is disposed as to make a little axial motion so that if mud is deposited on the screw threads during transportation, the screw threads scrapes it with each other. Thereby, creation of such an occasion may be prevented that the transportation may be impossible because the mud is deposited throughout the screw threads.
COPYRIGHT: (C)1982,JPO&Japio
JP18211080A 1980-12-24 1980-12-24 Constant quantity supply device for damp mud Pending JPS57107307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18211080A JPS57107307A (en) 1980-12-24 1980-12-24 Constant quantity supply device for damp mud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18211080A JPS57107307A (en) 1980-12-24 1980-12-24 Constant quantity supply device for damp mud

Publications (1)

Publication Number Publication Date
JPS57107307A true JPS57107307A (en) 1982-07-03

Family

ID=16112501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18211080A Pending JPS57107307A (en) 1980-12-24 1980-12-24 Constant quantity supply device for damp mud

Country Status (1)

Country Link
JP (1) JPS57107307A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229570A (en) * 1983-06-11 1984-12-24 Kumagai Gumi Ltd Method and apparatus for conditioning quality of excavated mud
JP2007245224A (en) * 2006-03-20 2007-09-27 Kubota Corp Sludge dehydrator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229570A (en) * 1983-06-11 1984-12-24 Kumagai Gumi Ltd Method and apparatus for conditioning quality of excavated mud
JP2007245224A (en) * 2006-03-20 2007-09-27 Kubota Corp Sludge dehydrator

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