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.)
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.)
TOKUSHIYU TORIYOU KK
TOKUSHU TORYO KK
Nippon Steel Corp
Original Assignee
TOKUSHIYU TORIYOU KK
TOKUSHU TORYO KK
Sumitomo Metal Industries 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 TOKUSHIYU TORIYOU KK, TOKUSHU TORYO KK, Sumitomo Metal Industries LtdfiledCriticalTOKUSHIYU TORIYOU KK
Priority to JP50115278ApriorityCriticalpatent/JPS5819059B2/en
Publication of JPS5238988ApublicationCriticalpatent/JPS5238988A/en
Publication of JPS5819059B2publicationCriticalpatent/JPS5819059B2/en
Investigating Or Analyzing Materials By The Use Of Magnetic Means
(AREA)
Abstract
PURPOSE: During flaw detection of a material to be examined, a binding agent and setting agent for setting magnetic powder pattern are sprayed only on the defective portion where the magnetic powder pattern has appeared, whereby the surface of the material being examined is made readily observable and the disappearance of the pattern before reaching to cutting process is provented.
PROCEDURE AND APPARATUS FOR THE WORK PREPARATION OF THE WORK PIECE WITHOUT LOST SURFACE MATERIAL WHILE THE WORK PIECE IS KEEP SEPARATED FROM OTHER WORK PIECES AND TO PREVENT DAMAGE TO THE WORK PIECE ...