JPS54135033A - Eraser and making method thereof - Google Patents

Eraser and making method thereof

Info

Publication number
JPS54135033A
JPS54135033A JP4234778A JP4234778A JPS54135033A JP S54135033 A JPS54135033 A JP S54135033A JP 4234778 A JP4234778 A JP 4234778A JP 4234778 A JP4234778 A JP 4234778A JP S54135033 A JPS54135033 A JP S54135033A
Authority
JP
Japan
Prior art keywords
eraser
making method
making
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
JP4234778A
Other languages
Japanese (ja)
Other versions
JPS5852520B2 (en
Inventor
Hiroichi Kou
Masahiro Iwata
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.)
Pentel Co Ltd
Original Assignee
Pentel 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 Pentel Co Ltd filed Critical Pentel Co Ltd
Priority to JP4234778A priority Critical patent/JPS5852520B2/en
Priority to FR7907768A priority patent/FR2420994A1/en
Priority to US06/025,066 priority patent/US4268411A/en
Priority to DE19792912442 priority patent/DE2912442A1/en
Priority to GB7911249A priority patent/GB2019805B/en
Publication of JPS54135033A publication Critical patent/JPS54135033A/en
Publication of JPS5852520B2 publication Critical patent/JPS5852520B2/en
Expired legal-status Critical Current

Links

JP4234778A 1978-03-30 1978-04-11 Eraser and its manufacturing method Expired JPS5852520B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4234778A JPS5852520B2 (en) 1978-04-11 1978-04-11 Eraser and its manufacturing method
FR7907768A FR2420994A1 (en) 1978-03-30 1979-03-28 MICROCAPSULES HAVING A MINERAL WALL AND PROCESS FOR THEIR PREPARATION
US06/025,066 US4268411A (en) 1978-03-30 1979-03-29 Microcapsules having a wall of inorganic substance and process for the preparation thereof
DE19792912442 DE2912442A1 (en) 1978-03-30 1979-03-29 MICROCAPSULES WITH A WALL OF INORGANIC SUBSTANCE AND METHOD FOR THEIR PRODUCTION
GB7911249A GB2019805B (en) 1978-03-30 1979-03-30 Microcapsules having a wall of silica powder and process for the preparation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4234778A JPS5852520B2 (en) 1978-04-11 1978-04-11 Eraser and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS54135033A true JPS54135033A (en) 1979-10-19
JPS5852520B2 JPS5852520B2 (en) 1983-11-22

Family

ID=12633485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4234778A Expired JPS5852520B2 (en) 1978-03-30 1978-04-11 Eraser and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5852520B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230633A (en) * 1983-06-13 1984-12-25 Ajinomoto Co Inc Preparation of coated particulate substance
JPS60101098A (en) * 1983-11-07 1985-06-05 ぺんてる株式会社 Eraser for correcting electrostatic copying picture
JPH03108598A (en) * 1989-09-22 1991-05-08 Shiide Rubber Kogyo Kk Eraser and manufacture thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61121437U (en) * 1985-01-18 1986-07-31
WO1993016887A1 (en) * 1992-02-28 1993-09-02 Pentel Kabushiki Kaisha Eraser

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230633A (en) * 1983-06-13 1984-12-25 Ajinomoto Co Inc Preparation of coated particulate substance
JPS6258771B2 (en) * 1983-06-13 1987-12-08 Ajinomoto Kk
JPS60101098A (en) * 1983-11-07 1985-06-05 ぺんてる株式会社 Eraser for correcting electrostatic copying picture
JPH0225800B2 (en) * 1983-11-07 1990-06-05 Pentel Kk
JPH03108598A (en) * 1989-09-22 1991-05-08 Shiide Rubber Kogyo Kk Eraser and manufacture thereof

Also Published As

Publication number Publication date
JPS5852520B2 (en) 1983-11-22

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