JPS5757696A - Lead of pencil and its manufacture - Google Patents

Lead of pencil and its manufacture

Info

Publication number
JPS5757696A
JPS5757696A JP13166880A JP13166880A JPS5757696A JP S5757696 A JPS5757696 A JP S5757696A JP 13166880 A JP13166880 A JP 13166880A JP 13166880 A JP13166880 A JP 13166880A JP S5757696 A JPS5757696 A JP S5757696A
Authority
JP
Japan
Prior art keywords
pencil
manufacture
lead
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
JP13166880A
Other languages
Japanese (ja)
Inventor
Kiyoshi Inoue
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.)
INOUE JAPAX KENKYUSHO KK
Inoue Japax Research Inc
Original Assignee
INOUE JAPAX KENKYUSHO KK
Inoue Japax Research Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15063429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5757696(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by INOUE JAPAX KENKYUSHO KK, Inoue Japax Research Inc filed Critical INOUE JAPAX KENKYUSHO KK
Priority to JP13166880A priority Critical patent/JPS5757696A/en
Priority to EP19810304138 priority patent/EP0048571B2/en
Priority to DE8181304138T priority patent/DE3165243D1/en
Publication of JPS5757696A publication Critical patent/JPS5757696A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
    • B43K19/16—Making non-propelling pencils
    • B43K19/18—Making pencil writing-cores

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP13166880A 1980-09-24 1980-09-24 Lead of pencil and its manufacture Pending JPS5757696A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP13166880A JPS5757696A (en) 1980-09-24 1980-09-24 Lead of pencil and its manufacture
EP19810304138 EP0048571B2 (en) 1980-09-24 1981-09-10 Pencil lead, and methods and apparatus for its manufacture
DE8181304138T DE3165243D1 (en) 1980-09-24 1981-09-10 Pencil lead, and methods and apparatus for its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13166880A JPS5757696A (en) 1980-09-24 1980-09-24 Lead of pencil and its manufacture

Publications (1)

Publication Number Publication Date
JPS5757696A true JPS5757696A (en) 1982-04-06

Family

ID=15063429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13166880A Pending JPS5757696A (en) 1980-09-24 1980-09-24 Lead of pencil and its manufacture

Country Status (3)

Country Link
EP (1) EP0048571B2 (en)
JP (1) JPS5757696A (en)
DE (1) DE3165243D1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132628A (en) * 1984-11-27 1986-06-20 Inoue Japax Res Inc Production of graphite fiber
JP2009029906A (en) * 2007-07-26 2009-02-12 Mitsubishi Pencil Co Ltd Solid drawing material
JP2015093012A (en) * 2013-11-11 2015-05-18 三菱鉛筆株式会社 Composite plate, and method for producing the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545983A (en) * 1981-08-26 1985-10-08 Plough, Inc. Method for making cosmetic pencils
FR2693634B1 (en) * 1992-07-17 1994-10-07 Bsn Food product in particular of the biscuit or pastry type and its manufacturing process.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE126851C (en) *
GB191308351A (en) * 1913-04-09 1914-03-19 John Abbet Walls Improvements in Pencils.
US2149905A (en) * 1936-05-30 1939-03-07 Firm Koh I Noor Tuzkarna L & C Lead for pencils, color pencils, copying pencils, or the like and process for manufacturing the same
GB575868A (en) * 1943-05-19 1946-03-08 M A Ferst Ltd Improvements in pencil leads and the like graphite marking elements
GB1171634A (en) * 1965-11-10 1969-11-26 Dainihon Bungu Kabushiki Kaish A method of preparing pencil leads

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132628A (en) * 1984-11-27 1986-06-20 Inoue Japax Res Inc Production of graphite fiber
JP2009029906A (en) * 2007-07-26 2009-02-12 Mitsubishi Pencil Co Ltd Solid drawing material
JP2015093012A (en) * 2013-11-11 2015-05-18 三菱鉛筆株式会社 Composite plate, and method for producing the same

Also Published As

Publication number Publication date
EP0048571A3 (en) 1982-06-09
EP0048571A2 (en) 1982-03-31
EP0048571B2 (en) 1988-06-15
EP0048571B1 (en) 1984-08-01
DE3165243D1 (en) 1984-09-06

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