CHIPBOARD Russian patent published in 2022 - IPC B27N3/02 B27N3/04 B32B5/16 B32B7/22 B32B21/02 E04C2/24 

Abstract RU 2765643 C2

FIELD: woodworking industry.

SUBSTANCE: invention relates to the field of woodworking and concerns chipboard (10) and its manufacturing method. The chipboard includes: inner layer (2) formed from resin-coated wood particles with a large particle size; at least one surface layer (1, 4) formed from resin-coated wood particles, where at least one surface layer (1, 4) contains wood particles with particle sizes smaller than particle sizes of inner layer (2); and at least one intermediate layer (3, 5) located between surface layer (1, 4) and inner layer (2), where intermediate layer (3, 5) is made of non-resin impregnated paper or perforated plastic sheet material, and at least one intermediate layer (3, 5) has a surface density in the range from 5 to 600 g/m2 and a thickness in the range from 0.05 to 3 mm.

EFFECT: invention provides for the production of a chipboard of low total weight with a thin surface layer with a smooth surface.

9 cl, 4 dwg

Similar patents RU2765643C2

Title Year Author Number
BOARDS BASED ON WOOD FIBERS WITH WEAR PROOF SURFACE 2008
  • Pervan Darko
  • Lindgren Kent
  • Jakobsson Jan
  • Khokansson Niklas
  • Buke Ehddi
  • Ziegler Jeran
RU2483867C2
NEW COMPOSITE MATERIALS, METHODS OF THEIR PRODUCTION AND APPLICATION 2008
  • Kettser Mikhel'
  • Gljajkh Klaus Fridrikh
  • Kristensen Bernd
  • Dzhehffi Alan
  • Majel Fil
  • Bennett Glenda
  • Ehkkert Bernkhard
  • Al'Brekht Annett
RU2471632C2
CHIPBOARD 2004
  • Nil'Sson Bu
RU2355569C2
PRODUCTION OF BOARDS AND BOARD THUS MADE 2010
  • Frank Ol'Dorff
  • Zibert Aksel'
RU2540663C2
METHOD FOR OBTAINING VENEERED WOOD MATERIAL AND WOOD MATERIAL FROM A CARRIER BOARD AND AT LEAST TWO VENEER LAYERS 2019
  • Kalwa, Norbert
RU2764890C1
PLATE BASED ON A WOOD MATERIAL WITH REDUCED RELEASE OF VOLATILE ORGANIC COMPOUNDS (VOC) AND APPLICATION THEREOF 2019
  • Dr. Kalwa, Norbert
RU2766678C2
METHOD TO REDUCE RELEASE OF FORMALDEHYDE IN WOOD MATERIALS 2007
  • Rjuba Eva
  • Vajnketts Shtefan
  • Shmidt Mikhaehl'
  • Finkenauehr Mikhaehl'
  • Bajl' Kristian
  • Lunkvitts Ral'F
RU2437755C2
COMPOSITE PANEL CONTAINING POLYURETHANE BINDER AND METHOD FOR PRODUCTION THEREOF 2008
  • Berteva Pol' R.
  • Sholer Mikhel'
  • Grossenbakher Mikhel'
  • Badni Din
  • Villvok Robert
RU2482140C2
METHOD AND DEVICE FOR MANUFACTURE OF CHIPBOARD 2018
  • Kalwa, Norbert
  • Kopp, Torsten
RU2778083C2
METHOD OF PRODUCING PLATE BASED ON WOOD MATERIAL WITH REDUCED EXTRACTION OF VOLATILE ORGANIC COMPOUNDS 2016
  • Dr. Kalva Norbert
RU2689571C1

RU 2 765 643 C2

Authors

Kuvik, Libor

Dates

2022-02-01Published

2018-06-25Filed