Patent · US Active

Method for producing a wooden composite material board, in particular an MDF or HDF board

US11224988B2 · kind B2 · utility

0Cited by

5References

20Claims

0Family size

Assignee

SWISS KRONO Tec AG · CH

Inventors

Norbert Kalwa · Niederheesten, DE
Axel Siebert · Mannheim, DE

Key dates

Filing date	Jul 12, 2018
Grant date	Jan 18, 2022
Priority date	—
Expiry date	Jul 12, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The disclosure relates to a method for producing a wooden composite material board, in particular an MDF or HDF board, wherein a cake made of wood chips or wood fibres wetted with a binder is spread, which is subsequently pressed in a hot press to form a board of a desired thickness, wherein, before the pressing, a mixed powder made of colour pigments and a second binder is spread onto an upper side of the cake as a primer, wherein the cake is sprayed with water after the spreading of the mixed powder.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.