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Automated and semi-automated process for staining wood with fluorescent dyes & pigments

A semi-automated, fluorescent dye technology, applied in wood impregnation, wood treatment, luminescent paint, etc., can solve problems such as restricting appearance

Inactive Publication Date: 2019-12-31
卡洛斯蒙伽罗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, generally all wood stains contain only a single color, thus limiting their use and appearance of the stained product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment I

[0124] Begin by obtaining ash planks suitable for use as floors from a lumberyard or lumber mill. The boards are typically finish grade wood and relatively free of surface impacts and foreign matter.

[0125] The boards were initially bleached with a commercially available two (2) component wood bleach (Lite-N-Up Wood Bleach) by manually applying the bleach to the boards with a roller and then removing following the bleach manufacturer's recommendations / neutralize bleach. The boards were exposed to bleach until the wood was saturated; then, the bleach was allowed to neutralize and the wood was dried for about 30 minutes. The bleaching step is repeated until the contrast between the grain characteristics of the sapwood and the grain characteristics of the hardwood is reduced to the desired level.

[0126] After the boards were dried, staining was performed with a formulation prepared by adding additional water and additional fluorescent dye to a commercial stain [WildFire L...

Embodiment II

[0129] The procedure of Example I was repeated, except that the dye formulation contained the following ratios of commercially available dye, water and fluorescent dye - 2:1:2.

Embodiment III

[0131] (Flat Line Automatic Finishing System)

[0132] The dyeing process of Example II was repeated with a pre-programmed flat-line automated finishing system in which the equipment at each processing step in the system had been calibrated based on the desired degree of contrast between the wood stock, sapwood and heartwood to be dyed .

[0133] The board is a finish grade ash and is relatively free of surface defects and foreign matter. The ash board is first prepared for dyeing by passing it through a flat-line automated machine equipped with a series of wire brushes on rollers. Wire brush abrasion on the surface removes tiny imperfections on the board surface and opens up the board's texture before dyeing. The flat-line automated system equipment used in this step of the method is available from a variety of suppliers; and a single piece of equipment typically performs multiple functions in sequence, such as wire brushing, re-dyeing, and sanding steps.

[0134]After wir...

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PUM

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Abstract

A process for staining / finishing a wood article, preferably unfinished wood, and / or wood articles from which the finish has been removed, with a stain formulation (oil or water based) containing a plurality of fluorescent dyes and / or pigment. The process can be performed manually, or with a system having automated paint staining / finishing equipment; and / or in a semi-automated system, more specifically a combination of automated, and manual processing. The automated paint staining / finishing can be performed with (a) automated flatline staining / finishing systems, (b) a hangline automated wood staining / finishing system and / or (c) the towline automated wood staining / finishing system. The enhancement of a grain pattern, by staining a wood art can be enhanced by treating the wood with a bleach to substantially reduce the contrast between the heartwood and sapwood features of the wood grain.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims part of US continuation application No. 15 / 442,178, filed February 24, 2017, co-pending patent application Serial No. 13 / 694,625, filed December 12, 2012, now part of US Patent 9,579,817 Priority interest, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] The present invention relates to a method of making a pre-finished wood product, and to a pre-finished product. More specifically, the invention relates to the dyeing of wood, preferably unfinished wood, and / or finished wood products with stains (oil-based or water-based) to produce multi-colored pre-finished wood products A method wherein the wood grain characteristics of the pre-finished wood product are highlighted in at least two different colors and / or shades thereof, and are visible in the presence and absence of visible light. The staining method of the present invention may be performe...

Claims

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Application Information

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IPC IPC(8): B27K3/02B27K5/02C09D15/00
CPCB27K5/02C09D5/22C09D15/00
Inventor C·罗布雷托蒙伽罗卡洛斯·蒙伽罗
Owner 卡洛斯蒙伽罗
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