FIELD: writing and drawing accessories.
SUBSTANCE: present invention relates to a simple or colour pencil containing following 3 coextrusion layers: unexpanded polyolefin-based lead, non-expanded protective intermediate layer, surrounding lead and containing mixture of polystyrene and EVA, and an expanded artificial wood frame based on the styrene polymer surrounding the protective intermediate layer, wherein ratio of protective intermediate layer thickness to lead length ranges from 0.05 to 0.17, preferably from 0.07 to 0.15.
EFFECT: disclosed is a pencil.
14 cl, 2 dwg
| Title |
Year |
Author |
Number |
| SIMPLE OR COLORED PENCIL |
2017 |
- Gouerec, Julien
- Lefebvre, Philippe
|
RU2732375C2 |
| PENCIL LEAD FOR PAPER |
2015 |
- Lefebvre, Philippe
- Gouerec, Julien
- Claptien, Frederic
|
RU2700063C2 |
| WRITING, SCHEMATIC DRAWING, DRAWING OR COSMETIC EQUIPMENT, COMPRISING CELLULAR BODY, AND METHOD FOR MANUFACTURING CELLULAR BODY OR EQUIPMENT COMPRISING CELLULAR BODY |
2012 |
|
RU2581979C2 |
| WOOD SUBSTITUTE MATERIAL AND USE THEREOF |
2009 |
- Lins Nikolas
- Distel' Sil'Vija
- Tis Andreas
|
RU2476462C2 |
| REFILL FOR WRITING, DRAWING AND/OR PAINTING DEVICES AND METHOD FOR THE PRODUCTION THEREOF |
2014 |
- Tis Andreas
- Yakob Martin
- Adler Yurgen
|
RU2654974C2 |
| TUBE FOR MEDICAL CONTAINER |
2016 |
- Volkensterfer, Rejnkhold
- Tsimbinski, Ralf
|
RU2695376C2 |
| FORMED LAMINATED WITH MELTING DECORATIVE MULTILAYER MATERIAL |
2017 |
- Bayer, Helmut
- Altenweger, Josef
- Maier, Konrad
- Komorek, Andrea
|
RU2684366C1 |
| MULTI-LAYER SHRINK FILMS WITH PVDC BARRIER |
2015 |
- Fusarpoli Flavio
- Zanaboni Dzhuliano
- Strakuzzi Serena
|
RU2658045C2 |
| MULTILAYERED TUBE-SHAPED PLASTIC FOOD WRAP |
2009 |
|
RU2489885C2 |
| FOOD CASING WITH BARRIER PROPERTIES WITH REGARD TO OXYGEN AND/OR WATER VAPOUR, CAPABLE TO ABSORB AND PRESERVE FOOD ADDITIVE AND RELEASE IT INTO FOOD PRODUCT |
2009 |
- Khentse-Vetkamp Genrikh
- Oblotski Jerg
- Krall'Man Anton
|
RU2492685C2 |
