JPS59191779A - 鉛筆芯の製造方法 - Google Patents

鉛筆芯の製造方法

Info

Publication number
JPS59191779A
JPS59191779A JP58066390A JP6639083A JPS59191779A JP S59191779 A JPS59191779 A JP S59191779A JP 58066390 A JP58066390 A JP 58066390A JP 6639083 A JP6639083 A JP 6639083A JP S59191779 A JPS59191779 A JP S59191779A
Authority
JP
Japan
Prior art keywords
pencil lead
resin
resins
bismaleimide
graphite
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
JP58066390A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0420032B2 (enExample
Inventor
Kiyoshi Hirasawa
平沢　清志
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.)
Mitsubishi Pencil Co Ltd
Original Assignee
Mitsubishi Pencil 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 Mitsubishi Pencil Co Ltd filed Critical Mitsubishi Pencil Co Ltd
Priority to JP58066390A priority Critical patent/JPS59191779A/ja
Publication of JPS59191779A publication Critical patent/JPS59191779A/ja
Publication of JPH0420032B2 publication Critical patent/JPH0420032B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Ceramic Products (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
JP58066390A 1983-04-15 1983-04-15 鉛筆芯の製造方法 Granted JPS59191779A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58066390A JPS59191779A (ja) 1983-04-15 1983-04-15 鉛筆芯の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58066390A JPS59191779A (ja) 1983-04-15 1983-04-15 鉛筆芯の製造方法

Publications (2)

Publication Number Publication Date
JPS59191779A true JPS59191779A (ja) 1984-10-30
JPH0420032B2 JPH0420032B2 (enExample) 1992-03-31

Family

ID=13314446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58066390A Granted JPS59191779A (ja) 1983-04-15 1983-04-15 鉛筆芯の製造方法

Country Status (1)

Country Link
JP (1) JPS59191779A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642254A1 (fr) * 1989-01-20 1990-07-27 Mitsubishi Pencil Co Procede de preparation d'un diaphragme entierement carbone pour emploi dans un equipement acoustique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642254A1 (fr) * 1989-01-20 1990-07-27 Mitsubishi Pencil Co Procede de preparation d'un diaphragme entierement carbone pour emploi dans un equipement acoustique
US5152938A (en) * 1989-01-20 1992-10-06 Mitsubishi Pencil Co., Ltd. Process for preparation of a wholly carbonaceous diaphragm for acoustic equipment use

Also Published As

Publication number Publication date
JPH0420032B2 (enExample) 1992-03-31

Similar Documents

Publication Publication Date Title
DE2953006C2 (enExample)
DE2833904C2 (de) Verfahren zur Herstellung eines hitzebeständigen gebrannten keramischen Körpers
DE1520287B2 (de) Verfahren zur herstellung von epoxidpolyaddukten
JPS59191779A (ja) 鉛筆芯の製造方法
DE2106129B2 (de) Hitzehaertbare formmassen auf grundlage harzartiger organopolysiloxane
DE69031425T2 (de) Verfahren zur Formgebung von Keramik unter Verwendung eines flüssigen, härtbaren Keramik-Ausgangsmaterials
JPS584074B2 (ja) エンピツシンノセイゾウホウ
JPS61151282A (ja) 鉛筆芯の製造方法
DE3245184C2 (de) Verfahren zur Herstellung spritzgießfähiger keramischer Massen
JPS647632B2 (enExample)
JPS5933370A (ja) 鉛筆芯の製造方法
CH501045A (de) Verfahren zur Herstellung von Bleistiftminen
JPS5938274B2 (ja) 鉛筆芯の製造法
JPS6234559B2 (enExample)
US1808529A (en) Moldable material and process
DE1795733A1 (de) Verfahren zur herstellung von gehaerteten kunstharz-schaumstoffen aus phenolformaldehydharz-resolen
SU753815A1 (ru) Композици дл изготовлени пористых форм
JP2858258B2 (ja) 非焼成色鉛筆芯
JPS5840597B2 (ja) タコウシツエンピツシンノセイゾウホウ
JPS55112281A (en) Manufacture of pencil core
JPS642154B2 (enExample)
JPS56122857A (en) Preparation of epoxy resin composition
JPS5529554A (en) Preparation of pencil lead
JPS6264876A (ja) 鉛筆芯の製造方法
JPH0588734B2 (enExample)