BR112017012761A2 - lápis para escrever ou colorir - Google Patents

lápis para escrever ou colorir

Info

Publication number
BR112017012761A2
BR112017012761A2 BR112017012761A BR112017012761A BR112017012761A2 BR 112017012761 A2 BR112017012761 A2 BR 112017012761A2 BR 112017012761 A BR112017012761 A BR 112017012761A BR 112017012761 A BR112017012761 A BR 112017012761A BR 112017012761 A2 BR112017012761 A2 BR 112017012761A2
Authority
BR
Brazil
Prior art keywords
intermediate layer
graphite
pencil
protective intermediate
write
Prior art date
Application number
BR112017012761A
Other languages
English (en)
Other versions
BR112017012761B1 (pt
Inventor
Gouerec Julien
Lefebvre Philippe
Original Assignee
Conte
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 Conte filed Critical Conte
Publication of BR112017012761A2 publication Critical patent/BR112017012761A2/pt
Publication of BR112017012761B1 publication Critical patent/BR112017012761B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
    • 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
    • B43K19/02—Pencils with graphite; Coloured pencils
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

a presente invenção refere-se a um lápis para escrever ou colorir, o qual inclui as três camadas a seguir produzidas por meio de coextrusão: um grafite à base de poliolefina não expandido, com uma camada intermediária de proteção não expandida que circunda o grafite e inclui uma mistura de poliestireno e eva; e um material de madeira sintética expandido feito de um polímero de estireno que circunda a camada intermediária de proteção, em que a razão entre a espessura a camada intermediária de proteção e o raio do grafite fica entre 0,05 e 0,17, de preferência entre 0,07 e 0,15.
BR112017012761-0A 2014-12-17 2015-12-14 lápis para escrever ou colorir BR112017012761B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1462664 2014-12-17
FR1462664A FR3030365B1 (fr) 2014-12-17 2014-12-17 Crayon a ecrire ou a colorier
PCT/FR2015/053468 WO2016097554A1 (fr) 2014-12-17 2015-12-14 Crayon a ecrire ou a colorier

Publications (2)

Publication Number Publication Date
BR112017012761A2 true BR112017012761A2 (pt) 2017-12-26
BR112017012761B1 BR112017012761B1 (pt) 2021-01-26

Family

ID=52469219

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017012761-0A BR112017012761B1 (pt) 2014-12-17 2015-12-14 lápis para escrever ou colorir

Country Status (16)

Country Link
US (1) US10316208B2 (pt)
EP (1) EP3233518B1 (pt)
CN (1) CN107257739B (pt)
AR (1) AR103149A1 (pt)
AU (1) AU2015366059A1 (pt)
BR (1) BR112017012761B1 (pt)
CA (1) CA2970844A1 (pt)
ES (1) ES2724368T3 (pt)
FR (1) FR3030365B1 (pt)
MA (1) MA40651A1 (pt)
MX (1) MX2017007871A (pt)
PL (1) PL3233518T3 (pt)
RU (1) RU2689207C2 (pt)
TN (1) TN2017000252A1 (pt)
WO (1) WO2016097554A1 (pt)
ZA (1) ZA201704672B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3052705B1 (fr) * 2016-06-21 2018-07-13 Conte Crayon a ecrire ou a colorier
FR3065006B1 (fr) * 2017-04-10 2019-06-21 Societe Bic Mine de crayon a papier
DE202018000862U1 (de) * 2018-02-19 2018-03-06 Weimako GmbH Stifthülse
CN113165417B (zh) * 2018-12-18 2023-03-03 法国比克公司 铅笔用铅套及其铅笔
EP3845616A1 (en) 2020-01-06 2021-07-07 Société BIC Lead for pencil for writing, drawing, marking, plotting and/or coloring
CN111319379A (zh) * 2020-04-17 2020-06-23 哈尔滨隆之道科技有限公司 笔芯防护铅笔及其制备方法
US20230373236A1 (en) 2020-09-30 2023-11-23 SOCIéTé BIC Improved coloring pencil lead for synthetic pencil based on biopolymers blends

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244297A (en) * 1991-03-19 1993-09-14 Conte S.A. Process for manufacturing pencil by tri-extrusion and the produced pencil having an intermediate protective casing
FR2802148B1 (fr) * 1999-12-13 2003-01-24 Conte Procede de fabrication par tri-extrusion d'un crayon a ecrire ou a colorier et crayon a ecrire ou a colorier comportant une couche intermediaire de protection
DE102005004175B4 (de) * 2005-01-26 2013-11-28 J. S. Staedtler Gmbh & Co. Kg Mine für Schreib-, Zeichen- oder Malgeräte
DE202006015052U1 (de) * 2006-09-29 2008-02-21 J. S. Staedtler Gmbh & Co. Kg Schreib-, Zeichen-, Mal- und/oder Kosmetikstift
DE102006046491B4 (de) * 2006-09-29 2017-03-16 Staedtler Mars Gmbh & Co. Kg Schreib-, Zeichen-, Mal- und/oder Kosmetikstift
DE202008009751U1 (de) * 2008-07-15 2009-08-27 J. S. Staedtler Gmbh & Co. Kg Schreib-, Zeichen-, Mal- oder Kosmetikstift
DE102008034015B4 (de) 2008-07-15 2011-08-25 J. S. Staedtler GmbH & Co. KG, 90427 Schreib-, Zeichen-, Mal- oder Kosmetikstift
FR2988643B1 (fr) * 2012-03-28 2014-03-07 Maped Crayon expanse et son procede de fabrication
US8998519B2 (en) * 2013-05-13 2015-04-07 Hemant Patel Process and formulation for a plastic pencil

Also Published As

Publication number Publication date
FR3030365B1 (fr) 2017-01-13
WO2016097554A1 (fr) 2016-06-23
US10316208B2 (en) 2019-06-11
US20170348997A1 (en) 2017-12-07
CN107257739A (zh) 2017-10-17
BR112017012761B1 (pt) 2021-01-26
AR103149A1 (es) 2017-04-19
EP3233518A1 (fr) 2017-10-25
AU2015366059A1 (en) 2017-07-06
MA40651A1 (fr) 2017-11-30
ZA201704672B (en) 2018-12-19
TN2017000252A1 (fr) 2018-10-19
RU2017125165A (ru) 2019-01-23
RU2689207C2 (ru) 2019-05-24
PL3233518T3 (pl) 2019-08-30
MX2017007871A (es) 2018-03-21
CN107257739B (zh) 2019-04-05
CA2970844A1 (fr) 2016-06-23
ES2724368T3 (es) 2019-09-10
FR3030365A1 (fr) 2016-06-24
EP3233518B1 (fr) 2019-02-06
RU2017125165A3 (pt) 2019-03-27

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/12/2015, OBSERVADAS AS CONDICOES LEGAIS.