JPS5548579A - Manufacturing method of composite grain and its product - Google Patents

Manufacturing method of composite grain and its product

Info

Publication number
JPS5548579A
JPS5548579A JP12231878A JP12231878A JPS5548579A JP S5548579 A JPS5548579 A JP S5548579A JP 12231878 A JP12231878 A JP 12231878A JP 12231878 A JP12231878 A JP 12231878A JP S5548579 A JPS5548579 A JP S5548579A
Authority
JP
Japan
Prior art keywords
grain
fine
composite
composite grain
grind stone
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
JP12231878A
Other languages
Japanese (ja)
Inventor
Masatoshi Ando
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP12231878A priority Critical patent/JPS5548579A/en
Publication of JPS5548579A publication Critical patent/JPS5548579A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain composite grain having excellent grinding efficiency, having long life to meet that emery cloth base becpmes strong.
CONSTITUTION: Fine grain 2 of grind stone of required grain size of #24W#1200 is put into hot water at 50°C and mixed by stirring, binder 3 made from urethane with hardening property due to humidity is charged quickly, being mixed up, and continuing above mixing until fine grain 2 of respective grind stone solidifies to nearly spherical shape as fine composite grain 1. Subsequently, the composite grain 1 is taken out, dehydrated, dried, siftted to grade required grain size, however it is desirable to grade to the grain size of four to seven times as large as fine grain 2 of grind stone. The spherical composite grain 1 is sticked on the cloth base.
COPYRIGHT: (C)1980,JPO&Japio
JP12231878A 1978-10-04 1978-10-04 Manufacturing method of composite grain and its product Pending JPS5548579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12231878A JPS5548579A (en) 1978-10-04 1978-10-04 Manufacturing method of composite grain and its product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12231878A JPS5548579A (en) 1978-10-04 1978-10-04 Manufacturing method of composite grain and its product

Publications (1)

Publication Number Publication Date
JPS5548579A true JPS5548579A (en) 1980-04-07

Family

ID=14832980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12231878A Pending JPS5548579A (en) 1978-10-04 1978-10-04 Manufacturing method of composite grain and its product

Country Status (1)

Country Link
JP (1) JPS5548579A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109689A (en) * 1976-02-28 1977-09-14 Carborundum Co Coating grinding material having layer of spherical grinding body

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109689A (en) * 1976-02-28 1977-09-14 Carborundum Co Coating grinding material having layer of spherical grinding body

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