EP1150847A1 - 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 - Google Patents
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 protectionInfo
- Publication number
- EP1150847A1 EP1150847A1 EP00985357A EP00985357A EP1150847A1 EP 1150847 A1 EP1150847 A1 EP 1150847A1 EP 00985357 A EP00985357 A EP 00985357A EP 00985357 A EP00985357 A EP 00985357A EP 1150847 A1 EP1150847 A1 EP 1150847A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protective layer
- thermoplastic material
- thermoplastic
- pencil
- 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.)
- Granted
Links
- 239000011241 protective layer Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004040 coloring Methods 0.000 title claims abstract description 12
- 238000001125 extrusion Methods 0.000 title description 14
- 239000000463 material Substances 0.000 claims abstract description 85
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 57
- 239000002023 wood Substances 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims description 20
- 230000008023 solidification Effects 0.000 claims description 20
- 229920001577 copolymer Polymers 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229920001169 thermoplastic Polymers 0.000 claims description 12
- 239000004416 thermosoftening plastic Substances 0.000 claims description 12
- 239000004604 Blowing Agent Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 11
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 239000004594 Masterbatch (MB) Substances 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31924—Including polyene monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31928—Ester, halide or nitrile of addition polymer
Definitions
- the present invention relates to a process for the continuous manufacture of a writing or coloring pencil, by simultaneous extrusion of thermoplastic materials successively constituting on the one hand the mine and on the other hand the material which surrounds the mine, called wood material in the rest of this text by analogy with the composition of traditional pencils, in which this material is made of wood. It relates more particularly to a process by tri-extrusion of thermoplastic materials according to which an intermediate protective layer is co-extruded between the mine and the wood material. It also relates to a writing or coloring pencil, capable of being obtained by the method of the invention.
- thermoplastic materials constituting the lead material, an intermediate protective layer and the wood material are already known from document EP.O.5O5.262.
- the intermediate protective layer is made of a non-expanded thermoplastic material, compatible with the lead material and the wood material and having a melting temperature which is equal to or greater than both the melting temperature of the lead material and to that of wood.
- This particular selection of the thermoplastic material constituting the intermediate protective layer aims to avoid defects due to the presence of bubbles on the outer periphery of the lead material, which have been observed during the manufacture of pencils by bi- extrusion using a blowing agent in the wood material.
- thermoplastic material constituting the protective layer Due to its melting temperature, the thermoplastic material constituting the protective layer is less fluid than the mine and wood materials. As a result, it does not deform under the effect of the bubbles released on the surface of the wood material and constitutes a protective barrier for the mine material.
- the problem which the present invention seeks to solve is of another order. It also relates to the continuous production by co-extrusion of a pencil to write or color from thermoplastics. It was indeed found the presence of another type of defect, namely cracking of the mine, resulting in frequent breaks especially during the sharpening of the pencil.
- the goal that the applicant has set is to propose a manufacturing process which overcomes the aforementioned drawback, avoiding the appearance of such cracks.
- the thermoplastic material constituting the protective layer is determined so as to remain deformable during the removal of the lead material, during cooling.
- the thermoplastic material constituting the protective layer is chosen so that its solidification point is lower than the solidification point of the thermoplastic material constituting the lead material.
- the mine material will solidify first with respect to the protective layer, because its point of solidification (c that is to say the temperature at which the thermoplastic material which was in the plastic or molten state begins to solidify) is higher than that of the thermoplastic material constituting the protective layer.
- the removal of the mine material which occurs during the solidification will take place while the mine material is surrounded by the protective layer which is not yet solidified but which is in a deformable state.
- This protective layer by its deformability and its flexibility, allows the mine material to be released from its internal stresses and therefore to shrink without cracking appearing. The solidification proper of the protective layer occurs later.
- the difference between the solidification points of the lead material and of the protective layer is of the order of 10 to 20 ° C.
- an elastomeric thermoplastic or an ethyl-vinyl-acetate copolymer (EVA) is used as an additive.
- this pencil is constituted by the superposition of a core made of a first charged thermoplastic material called mine material, a protective layer of an unexpanded thermoplastic material and a layer of a second thermoplastic material. expanded called wood material.
- the thermoplastic material constituting the protective layer has a solidification point which is lower than that of the thermoplastic material constituting the lead material.
- the protective layer contains an elastomeric thermoplastic or an ethyl-vinyl-acetate copolymer (EVA).
- EVA ethyl-vinyl-acetate copolymer
- the protective layer comprises, as thermoplastic material, a styrenic polymer.
- the protective layer comprises from 70 to 95% of a styrenic compound and from 5 to 30% of an elastomeric thermoplastic or of an ethyl-vinyl-acetate copolymer.
- thermoplastic material constituting the protective layer a material which does not solidify after cooling but which being deformable when hot remains flexible. It may especially be an elastomeric thermoplastic material.
- FIG. 1 is a representation in the form of a diagram of the steps of the tri-extrusion
- FIG. 2 is a perspective view of the pencil with flexible protective layer according to the invention
- the central core constitutes the lead material 1
- the intermediate layer constitutes the protective layer 2
- the outer layer constitutes the wood material 3 of a pencil 4 produced continuously
- thermoplastic materials are determined so that each corresponding element has the properties that one expects.
- the whole of the pencil must have good cutability and a density close to that of the traditional wooden pencil. -this must include fillers for writing and be easily transferable to the writing or coloring support to have good covering power.
- the corresponding components are for example chosen from those described in document FR 1 588 294
- the wood material to obtain the desired density, it contains an expanding agent, for example azo-dicarbonamide.
- the protective layer 2 which is free of expanding agent, it must be compatible. on the one hand with the lead material 1 and the wood material 2 so as to ensure the good behavior of the lead in the pencil
- the constituent material of the protective layer is chosen to have a solidification point which is lower, even clearly lower than that of the thermoplastic material making up the mine
- the solidification point is also commonly referred to as the softening point. It is the temperature (or the temperature zone) from which the material in the plastic or molten state begins to solidify It is also the temperature (or the temperature zone) from which the thermoplastic material the solid state begins to soften It is also called NICAT point
- the lead material 1 solidifies more quickly than the protective layer It is during this solidification that the phenomenon of shrinking occurs which develops in the lead material internal stresses, stresses which are a function of the composition of the lead material and its diameter
- the solidification of the lead material occurs while the protective layer has not yet started to solidify, is still in a deformable state (pasty or in any case flexible)
- the material constituting the protective layer will accompany, by deforming, the withdrawal of the mine material, which avoids the subsequent appearance cracks
- the protective layer has the function of compensating for the difference in shrinkage coefficient between the thermoplastic materials constituting the lead material on the one hand and the wood material on the other hand, while carrying out the mechanical connection between these two materials, once the integral solidification of the pencil has taken place It is indeed important that a mechanical connection remains between the mine and the rest of the pencil
- the protective layer which in this case preferably has a thickness at least equal to 0.5mm, can act as reinforcement for the mine material, ensuring a consolidation of the mine capable of significantly reducing the risk of breakage when using the pencil safe in the case of a wood material with foaming agent, it is desirable that the protective layer also fulfills the function which was assigned to it in document EP 0 505 262, namely to form a barrier for the mine material against the diffusion of bubbles from the wood material
- the thermoplastic material constituting the protective layer which is free of blowing agent and which is compatible with the mine material and the wood material, has a melting temperature which is equal or higher both the melting temperature of the mine material and that of the wood material Example 1
- the composition of the mine 1 material is as follows: methacrylate polystyrene copolymer 20 - 25% plasticizer 15% carbon black 55% smoke black 5% zinc stearate 0.5 % talc 4.5%
- the composition of the protective layer 2 is the following styrenic polymer 80% ethyl vinyl acetate copolymer EVA 20%
- the composition of the wood material 3 is the following polystyrene-methacrylate copolymer 78.5% plasticizer of the phthalate type 10% sawdust 10 % pigments (masterbatch) 1.5%
- the wood material is mixed in the order of 2% of a masterbatch containing Fazo-dicarbonamide as blowing agent
- the protective layer can also be tinted with a masterbatch so that the protective layer 2 has the same color as the wood material 3 or can be tinted with another color to make it more visible.
- the solidification point or Vicat point A (ISO 306), for the various thermoplastic constituents above is from methacrylate lOO to lO impact polystyrene 92 at 95 ° C.
- ABS. l04 at lO ° C ethyl-vinyl-acetate copolymer 40 to 44 ° C
- ethyl-vinyl-acetate copolymer 40 to 44 ° C The presence of ethyl-vinyl-acetate copolymer, even in small proportions, makes it possible to lower the solidification point of the protective layer compared to the mine material and the wood material
- an elastomeric thermoplastic for example type SB S (Styrene Butadiene Styrene) of Shore hardness 50 to 70
- a pencil 4 of hexagonal configuration is obtained which, once cut (FIG. 2), reveals between the lead material and the wood material 3 the protective layer 2 which in the case had a thickness of 0.3 mm for a pencil 4 of about 7 mm between flat and a wealth of about 2 mm in diameter
- the composition of the lead material 1 is the following polystyrene methacrylate copolymer 25% plasticizer of the phthalate type 15% colored pigments 25% zinc stearate 0.5% talc 34.5%
- the composition of the protective layer 2 is the following styrenic polymer 83% . ethyl vinyl acetate copolymer (EVA): 15%
- master pigment blend 2%
- thermoplastic elastomer of the SBS type
- composition of the protective layer 2 would have been as follows:. styrenic polymer: 88% thermoplastic elastomer: 10%
- the present invention is not limited to the embodiments which have been described by way of non-exhaustive examples. It is possible to use other basic components for the lead material and the wood material than the polystyrene methacrylate copolymer. In addition it is possible to give in pencil any type of configuration, without limitation to the hexagonal shape II can be a circular, triangular, octagonal shape, without this list being exhaustive. It is also possible to use for the protective layer a thermoplastic material which not only is deformable when hot (when the mine is removed) but which does not solidify and remains flexible after complete cooling of the pencil, for example based on thermoplastic elastomer.
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9915696 | 1999-12-13 | ||
| FR9915696A FR2802148B1 (fr) | 1999-12-13 | 1999-12-13 | 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 |
| PCT/FR2000/003334 WO2001043987A1 (fr) | 1999-12-13 | 2000-11-29 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1150847A1 true EP1150847A1 (fr) | 2001-11-07 |
| EP1150847B1 EP1150847B1 (fr) | 2007-03-28 |
Family
ID=9553187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00985357A Expired - Lifetime EP1150847B1 (fr) | 1999-12-13 | 2000-11-29 | 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 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6572295B1 (fr) |
| EP (1) | EP1150847B1 (fr) |
| JP (1) | JP4934260B2 (fr) |
| AR (1) | AR030173A1 (fr) |
| AT (1) | ATE358029T1 (fr) |
| AU (1) | AU2180301A (fr) |
| BR (1) | BR0007874A (fr) |
| CA (1) | CA2362775C (fr) |
| DE (1) | DE60034108T2 (fr) |
| DZ (1) | DZ3144A1 (fr) |
| EG (1) | EG23174A (fr) |
| ES (1) | ES2284550T3 (fr) |
| FR (1) | FR2802148B1 (fr) |
| HK (1) | HK1043769B (fr) |
| MA (1) | MA25343A1 (fr) |
| MX (1) | MXPA01008169A (fr) |
| PT (1) | PT1150847E (fr) |
| WO (1) | WO2001043987A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9579865B2 (en) | 2011-07-28 | 2017-02-28 | Staedtler Mars Gmbh & Co. Kg | Writing, drawing, painting or cosmetic device comprising a honeycomb body, and method for producing the honeycomb body or the device comprising a honeycomb body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005004175B4 (de) * | 2005-01-26 | 2013-11-28 | J. S. Staedtler Gmbh & Co. Kg | Mine für Schreib-, Zeichen- oder Malgeräte |
| WO2006113774A1 (fr) * | 2005-04-16 | 2006-10-26 | Jakks Pacific, Inc. | Graphite liquide |
| DE102006046491B4 (de) * | 2006-09-29 | 2017-03-16 | Staedtler Mars Gmbh & Co. Kg | Schreib-, Zeichen-, Mal- und/oder Kosmetikstift |
| EP2060607B2 (fr) * | 2007-11-16 | 2019-11-27 | Ems-Patent Ag | Composition à mouler chargée à base de polyamide |
| DE102008034015B4 (de) * | 2008-07-15 | 2011-08-25 | J. S. Staedtler GmbH & Co. KG, 90427 | Schreib-, Zeichen-, Mal- oder Kosmetikstift |
| EP2365033B1 (fr) * | 2010-03-12 | 2013-07-10 | Ems-Patent Ag | Composition de moulage en polyamide modifiée pour améliorer la résilience aux chocs et récipient fabriqué à partir de celle-ci |
| EP2412757B1 (fr) | 2010-07-30 | 2013-11-13 | Ems-Patent Ag | Composition de moulage à base de polyamide pour la fabrication de corps moulés ayant une surface de prise souple et corps moulés correspondants |
| EP2499932B1 (fr) * | 2011-03-17 | 2016-05-11 | EMS-Patent AG | Corps de manchon |
| DE202011103995U1 (de) | 2011-07-28 | 2012-11-15 | J. S. Staedtler Gmbh & Co. Kg | Schreib-, Zeichen-, Mal- oder Kosmetikgerät umfassend einen Wabenkörper |
| FR2988643B1 (fr) | 2012-03-28 | 2014-03-07 | Maped | Crayon expanse et son procede de fabrication |
| EP2666803B1 (fr) | 2012-05-23 | 2018-09-05 | Ems-Patent Ag | Masses de formage copolyamides dures, transparentes et résistant aux rayures, corps de formage en étant issus et leur utilisation |
| EP2716716B1 (fr) | 2012-10-02 | 2018-04-18 | Ems-Patent Ag | Compositions de moulage à base de polyamide et leur utilisation dans la fabrication d'objets moulés |
| EP2746339B1 (fr) | 2012-12-18 | 2014-11-12 | Ems-Patent Ag | Masse de formage en polyamide et corps de formage fabriqué à partir de cette masse |
| DE102013001495B4 (de) * | 2013-01-23 | 2023-11-02 | Staedtler Mars Gmbh & Co. Kg | Schreib-, Zeichen-, Mal- und/oder Kosmetikstift, umfassend eine Komponente zur Aufnahme von mindestens einem Auftragsmedium, sowie Verfahren zu deren Herstellung |
| JP6033745B2 (ja) * | 2013-07-31 | 2016-11-30 | 株式会社パイロットコーポレーション | 固形筆記体 |
| JP6067406B2 (ja) * | 2013-02-18 | 2017-01-25 | 株式会社パイロットコーポレーション | 固形筆記体 |
| WO2014126231A1 (fr) | 2013-02-18 | 2014-08-21 | 株式会社パイロットコーポレーション | Matière d'écriture solide |
| EP2778190B1 (fr) | 2013-03-15 | 2015-07-15 | Ems-Patent Ag | Masse de formage polyamide et corps de formage fabriqué à partir de celle-ci |
| JP6067472B2 (ja) * | 2013-04-30 | 2017-01-25 | 株式会社パイロットコーポレーション | 固形筆記体 |
| US8998519B2 (en) * | 2013-05-13 | 2015-04-07 | Hemant Patel | Process and formulation for a plastic pencil |
| EP2845747A1 (fr) * | 2013-09-09 | 2015-03-11 | Kabushiki Kaisha Pilot Corporation | Crayon thermochromique |
| CN103818152B (zh) * | 2014-02-26 | 2017-05-17 | 杨璨然 | 一种新型铅笔的使用方法 |
| DE102014010308B4 (de) | 2014-07-02 | 2016-10-27 | Staedtler Mars Gmbh & Co. Kg | Schreib-, Zeichen-, Markier- und/oder Malgerät oder Kosmetikgerät oder Eingabegerät für berührungsempfindliche Oberflächen und Verfahren zu dessen Herstellung |
| FR3030365B1 (fr) * | 2014-12-17 | 2017-01-13 | Conte | Crayon a ecrire ou a colorier |
| FR3030364B1 (fr) | 2014-12-17 | 2017-01-13 | Conte | Mine de crayon a papier |
| FR3030366B1 (fr) | 2014-12-17 | 2017-01-13 | Conte | Mine de crayon de couleur |
| 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 |
| BR112021009459B1 (pt) | 2018-12-18 | 2023-10-03 | Societe Bic | Invólucro de núcleo para lápis, e lápis do mesmo para escrever, desenhar, marcar, traçar e colorir |
| US11865855B2 (en) | 2018-12-18 | 2024-01-09 | SOCIéTé BIC | Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring |
| US11485165B2 (en) * | 2018-12-18 | 2022-11-01 | SOCIéTé BIC | Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring |
| EP3898256B1 (fr) | 2018-12-18 | 2022-11-30 | Société BIC | Gaine pour mine de crayon, et crayon associé pour l'écriture, le dessin, le marquage, le traçage et la mise en couleur |
| EP3845616B1 (fr) | 2020-01-06 | 2025-12-03 | Société BIC | Mine pour stylo d'écriture, dessin, marquage, traçage et/ou coloration |
| WO2022069371A1 (fr) | 2020-09-30 | 2022-04-07 | Societe Bic | Mine de crayon de coloration améliorée pour crayon synthétique à base de mélanges de biopolymères |
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| FR969976A (fr) * | 1948-07-01 | 1950-12-28 | Fabrication de crayon avec une mine et des matières plastiques synthétiques | |
| DE1561767B1 (de) | 1967-10-04 | 1972-07-06 | Bayer Ag | Schreibstift |
| DE2030578A1 (de) | 1970-06-20 | 1971-12-30 | Bayer | Verfahren und Vorrichtung zum kontinuierlichen Herstellen und/oder Umhüllen von Strangprofilen |
| CA1005200A (en) * | 1971-07-16 | 1977-02-08 | Hasbro Industries | Pencil sheath compositions, method and apparatus for making pencils, and the resulting product |
| JPS5716500Y2 (fr) * | 1976-10-18 | 1982-04-06 | ||
| JPS5358077A (en) * | 1976-11-02 | 1978-05-25 | Sumitomo Light Metal Ind | Manufacture of expansible material having solid appearance |
| US4176978A (en) * | 1977-01-26 | 1979-12-04 | Jindrich Lorenz | Pencil sheath and composition therefor |
| US4413921A (en) * | 1978-09-05 | 1983-11-08 | Revlon, Inc. | Cosmetic pencil having a sharpenable polyethylene casing |
| JPH0695185B2 (ja) * | 1986-01-13 | 1994-11-24 | セイコーエプソン株式会社 | ネガ型液晶表示素子及び大型表示装置 |
| JPH0346672Y2 (fr) * | 1986-04-08 | 1991-10-02 | ||
| 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 |
| FR2674179B1 (fr) | 1991-03-19 | 1994-11-10 | Conte | Procede de fabrication par tri-extrusion d'un crayon a ecrire ou a colorier et crayon a ecrire ou a colorier comportant une gaine intermediaire de protection de la mine. |
| DE4124210A1 (de) * | 1991-07-20 | 1993-01-21 | Schwan Stabilo Schwanhaeusser | Verfahren zur herstellung eines stiftes |
| US5531947A (en) * | 1992-09-15 | 1996-07-02 | Bellaform Extrusionstechnik Gmbh | Process and installation for the manufacture of pencils |
| DE4438038B4 (de) * | 1994-10-25 | 2004-11-18 | Nele Kosmetik Gmbh | Mine für einen Kosmetikstift |
| US5904970A (en) * | 1997-06-13 | 1999-05-18 | Nomaco, Inc. | Integrally bonded, multilayer foamed product |
| DE19855325C2 (de) * | 1997-12-02 | 2002-11-21 | Faber Castell A W | Ummantelung für Farb-, Blei- und Kosmetikminen |
| US20030022962A1 (en) * | 2001-03-06 | 2003-01-30 | Cook David G. | Composition for extruded pencil casings, and pencil casings and pencils made therefrom |
-
1999
- 1999-12-13 FR FR9915696A patent/FR2802148B1/fr not_active Expired - Lifetime
-
2000
- 2000-11-29 ES ES00985357T patent/ES2284550T3/es not_active Expired - Lifetime
- 2000-11-29 WO PCT/FR2000/003334 patent/WO2001043987A1/fr not_active Ceased
- 2000-11-29 PT PT00985357T patent/PT1150847E/pt unknown
- 2000-11-29 MX MXPA01008169A patent/MXPA01008169A/es active IP Right Grant
- 2000-11-29 HK HK02103485.4A patent/HK1043769B/zh not_active IP Right Cessation
- 2000-11-29 US US09/913,196 patent/US6572295B1/en not_active Expired - Lifetime
- 2000-11-29 AU AU21803/01A patent/AU2180301A/en not_active Abandoned
- 2000-11-29 BR BR0007874-3A patent/BR0007874A/pt not_active IP Right Cessation
- 2000-11-29 AT AT00985357T patent/ATE358029T1/de not_active IP Right Cessation
- 2000-11-29 CA CA002362775A patent/CA2362775C/fr not_active Expired - Lifetime
- 2000-11-29 DE DE60034108T patent/DE60034108T2/de not_active Expired - Lifetime
- 2000-11-29 JP JP2001545095A patent/JP4934260B2/ja not_active Expired - Lifetime
- 2000-11-29 EP EP00985357A patent/EP1150847B1/fr not_active Expired - Lifetime
- 2000-12-11 EG EG20001533A patent/EG23174A/xx active
- 2000-12-12 AR ARP000106570A patent/AR030173A1/es active IP Right Grant
-
2001
- 2001-02-09 DZ DZ013144A patent/DZ3144A1/fr active
- 2001-08-13 MA MA26294A patent/MA25343A1/fr unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0143987A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9579865B2 (en) | 2011-07-28 | 2017-02-28 | Staedtler Mars Gmbh & Co. Kg | Writing, drawing, painting or cosmetic device comprising a honeycomb body, and method for producing the honeycomb body or the device comprising a honeycomb body |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2362775C (fr) | 2007-01-30 |
| DZ3144A1 (fr) | 2001-06-21 |
| AR030173A1 (es) | 2003-08-13 |
| CA2362775A1 (fr) | 2001-06-21 |
| FR2802148A1 (fr) | 2001-06-15 |
| FR2802148B1 (fr) | 2003-01-24 |
| MXPA01008169A (es) | 2004-04-05 |
| EG23174A (en) | 2004-06-30 |
| AU2180301A (en) | 2001-06-25 |
| PT1150847E (pt) | 2007-06-21 |
| EP1150847B1 (fr) | 2007-03-28 |
| HK1043769A1 (en) | 2002-09-27 |
| ES2284550T3 (es) | 2007-11-16 |
| HK1043769B (zh) | 2007-09-28 |
| ATE358029T1 (de) | 2007-04-15 |
| US6572295B1 (en) | 2003-06-03 |
| BR0007874A (pt) | 2001-10-16 |
| MA25343A1 (fr) | 2001-12-31 |
| JP4934260B2 (ja) | 2012-05-16 |
| JP2003516888A (ja) | 2003-05-20 |
| DE60034108D1 (de) | 2007-05-10 |
| DE60034108T2 (de) | 2007-12-06 |
| WO2001043987A1 (fr) | 2001-06-21 |
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