JPS51118461A - Striking efficiency measuring method of vapor-drain striker - Google Patents

Striking efficiency measuring method of vapor-drain striker

Info

Publication number
JPS51118461A
JPS51118461A JP4283275A JP4283275A JPS51118461A JP S51118461 A JPS51118461 A JP S51118461A JP 4283275 A JP4283275 A JP 4283275A JP 4283275 A JP4283275 A JP 4283275A JP S51118461 A JPS51118461 A JP S51118461A
Authority
JP
Japan
Prior art keywords
striker
drain
vapor
measuring method
efficiency measuring
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
JP4283275A
Other languages
Japanese (ja)
Other versions
JPS5519327B2 (en
Inventor
Naoki Jinnai
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.)
Aoki Construction Co Ltd
Original Assignee
Aoki Construction Co 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 Aoki Construction Co Ltd filed Critical Aoki Construction Co Ltd
Priority to JP4283275A priority Critical patent/JPS51118461A/en
Publication of JPS51118461A publication Critical patent/JPS51118461A/en
Publication of JPS5519327B2 publication Critical patent/JPS5519327B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

PURPOSE: In order to record striking, cutting and drawing of drain materials, as well as the status and time of shifting, machine troubles and standstills on the striker, together with to measure the striking efficiency of the striker.
COPYRIGHT: (C)1976,JPO&Japio
JP4283275A 1975-04-10 1975-04-10 Striking efficiency measuring method of vapor-drain striker Granted JPS51118461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4283275A JPS51118461A (en) 1975-04-10 1975-04-10 Striking efficiency measuring method of vapor-drain striker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4283275A JPS51118461A (en) 1975-04-10 1975-04-10 Striking efficiency measuring method of vapor-drain striker

Publications (2)

Publication Number Publication Date
JPS51118461A true JPS51118461A (en) 1976-10-18
JPS5519327B2 JPS5519327B2 (en) 1980-05-26

Family

ID=12646929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4283275A Granted JPS51118461A (en) 1975-04-10 1975-04-10 Striking efficiency measuring method of vapor-drain striker

Country Status (1)

Country Link
JP (1) JPS51118461A (en)

Also Published As

Publication number Publication date
JPS5519327B2 (en) 1980-05-26

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