SU445566A1 - Mass for making educational tools - Google Patents
Mass for making educational toolsInfo
- Publication number
- SU445566A1 SU445566A1 SU1795918A SU1795918A SU445566A1 SU 445566 A1 SU445566 A1 SU 445566A1 SU 1795918 A SU1795918 A SU 1795918A SU 1795918 A SU1795918 A SU 1795918A SU 445566 A1 SU445566 A1 SU 445566A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- mass
- educational tools
- making
- binder
- making educational
- Prior art date
Links
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Description
Изобретение относитс к производству абразивного инструментаThis invention relates to the manufacture of abrasive tools.
Известна масса дл изготовлю ни абразивного инструмента на ор ганической св зке, состо ща из & абразивных зерен, жидкого увлажнител , порошкообразного св зущего и наполнител .A known mass for the manufacture of an abrasive tool on an organic bond, consisting of & abrasive grains, liquid humidifier, powdered binder and filler.
Недостаток известной массы заключаетс в том, что абразивный ю инструмент, изготовленный на ее основе, имеет сравнительно малую разрывную прочность.A disadvantage of the known mass is that the abrasive tool made on its basis has a relatively low tensile strength.
Предлагаема масса отличаетс от известной тем, что в нее в качестве св зующего ввод т аминометилированныи полиоксЕфенилметилен, а в качестве увлвжнител - жвдкую резольную смолу с содержанием фенола до 20% и влаги 6-7. Увлажни- о тель и св зущее при этом берут в соотношении 1:3-1:4.The proposed mass differs from that known in that aminomethylated polyoxyphenylmethylene is introduced as a binder, and as a binder - a liquid resole resin with a phenol content of up to 20% and moisture 6-7. The humidifier and the binder are taken in a ratio of 1: 3-1: 4.
Это обеспечивает получениеIt provides
инструмента с высокой разрывной прочностью.tool with high tensile strength.
Абразивный инструмент из такой массы изготовл ют по ойцепригн той технологии.An abrasive tool of such a mass is manufactured according to an oyceptic technology.
ПРЕДГЖТ ИЗОБРЕТЕНИЯPREVIOUS INVENTIONS
Масса дл изготовлени абразивного инструмента на органической св зке, состо ща из абразивных зерен, жидкого увлажнител , i порошкообразного св зующего и на-1 полнител , отличающа с тем, что, с целью получени инструмента с высокой разрывной прочностью, в качестве св зущего использован аминометилированный полиоксифенил метилен, а в качестве жидкого увлажнител - резольна смола с содержанием фенола до 20% и влагиA mass for the manufacture of an abrasive instrument on an organic binder, consisting of abrasive grains, a liquid humidifier, a powder binder, and a-1 filler, characterized in that, in order to obtain a tool with high tensile strength, aminomethylated as a binder polyoxyphenyl methylene, and as a liquid humidifier - resole resin with a phenol content of up to 20% and moisture
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1795918A SU445566A1 (en) | 1972-06-12 | 1972-06-12 | Mass for making educational tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1795918A SU445566A1 (en) | 1972-06-12 | 1972-06-12 | Mass for making educational tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU445566A1 true SU445566A1 (en) | 1974-10-05 |
Family
ID=20517620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1795918A SU445566A1 (en) | 1972-06-12 | 1972-06-12 | Mass for making educational tools |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU445566A1 (en) |
-
1972
- 1972-06-12 SU SU1795918A patent/SU445566A1/en active
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