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Title:
A MOLDED COARSE PARTICLE PRODUCT
Document Type and Number:
WIPO Patent Application WO/2004/094140
Kind Code:
A1
Abstract:
A molded coarse particle product adapted for use as housewares, furniture, insulation or architectural components or the like preferentially made from coarse wood particles, flakes or chips, or any other suitable castable particulate materials such as glass, dried grass, plastic, shell particles, organic leftover or waste materials, e.g. leaves, twigs or bark, or a combination thereof admixed and bonded together with an adhesive binder and lightly pressed into a mold preferably manually or automatically, together with a reinforcing means. The resulting surface texture of the cast product has the natural or original characteristics of the preferred particles comprising thereof such that it looks as natural as the said particles when viewed collectively together in plurality, and the quality and degree of roughness being defined by th e natural features of said particles.

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Inventors:
DELANTAR PEDRO (PH)
DELANTAR CATHERINE (PH)
Application Number:
PCT/PH2003/000016
Publication Date:
November 04, 2004
Filing Date:
December 18, 2003
Export Citation:
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Assignee:
DELANTAR PEDRO (PH)
DELANTAR CATHERINE (PH)
International Classes:
B27N3/02; B29C67/24; B32B21/02; (IPC1-7): B32B21/02
Domestic Patent References:
WO2000061362A12000-10-19
Foreign References:
JP2000064581A2000-02-29
JPS60248317A1985-12-09
US5108678A1992-04-28
US5019310A1991-05-28
KR19980047302A1998-09-15
Other References:
See also references of EP 1615769A4
Attorney, Agent or Firm:
Padlan, Felino (Salvador Coloma & Associates, Suite 307, 3rd Flr., ITC Bldg., 337 Sen., Gil Puyat Avenue, Bel-Ai, Makati City Metro Manila 1200, PH)
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Claims:
CLAIMS What is claimed is:
1. A molded coarse particle product for use as housewares, furniture, insulation, architectural components or the like comprising coarse particles of random irregular sizes admixed and bonded together with an adhesive binder and lightly cold pressed into a mold, and a reinforcing means being integrally interposed and embedded therein; the surface texture of said product having the natural characteristics of said particles such that said texture looks as natural as said particles when viewed collectively together in plurality, and the quality and degree of roughness being defined by the natural features of said particles.
2. A molded coarse particle product according to claim 1 wherein said particles are selected from the group consisting of flakes, chips, fragments, pellets, bits, shredded wood, mulch, and strands and the like.
3. A molded coarse particle product according to claim 1 wherein said particles comprise of a material selected from the group consisting of wood, glass, plastic, shell, dried grass, organic leftover or waste materials, metal and the like.
4. A molded coarse particle product according to claim 2 wherein said reinforcing means is in a form of a permeable sheet element selected from the group consisting of wire mesh, textile, fabric, fiberglass mat, and gauzelike materials and the like.
5. A molded coarse particle product according to claim 2 wherein said adhesive binder is waterbased.
6. A molded coarse particle product according to claim 2 wherein said adhesive binder is resinbased.
7. A molded coarse particle product according to claim 1 wherein said coarse particles that are admixed and bonded together with an adhesive binder are lightly cold pressed manually into a mold.
8. A molded coarse particle product according to claim 1 wherein said coarse particles that are admixed and bonded together with an adhesive binder are lightly cold pressed automatically into a mold.
9. A molded coarse particle product according to claim 1 wherein said product is adopted in combination with other components of different structures and materials.
10. A molded coarse particle product according to claim 1 wherein said product in smaller size has no reinforcing means.
11. A molded coarse particle product according to claim 1 wherein said product having a ground surface that is characterized by a flattened surface texture with smoothened or relatively rough finish.
12. A molded coarse particle product according to claim 1 wherein said product is treated to protect it against material damage due to environmental adversities.
13. A molded coarse particle product according to claim 1 wherein said product is provided with a finishing, protecting or enclosing layer that is selected from the group consisting of dye, varnish, coating, paint and the like.
14. A molded coarse particle product according to claim 1 wherein said particles are pretreated and precoated with suitable protecting and finishing material that is selected from the group consisting of dye, varnish, coating, paint and the like.
Description:
A MOLDED COARSE PARTICLE PRODUCT FIELD OF THE INVENTION The invention generally relates to molded or cast products and more particularly to a molded product adapted for use as housewares, furniture, architectural components or the like preferentially made from coarse wood particles, flakes, chips, or any other suitable castable particulate materials such as glass, dried grass, plastic, shell particles or a combination thereof.

BACKGROUND OF THE INVENTION In the houseware and furniture industries, most especially in making cast or molded products, the prior art includes highly compressed cast structures made from wood chips or flakes such as the molded product covered by Haataja U. S.

Pat. No. 4,384, 019 that discloses intersecting cast elongated members formed by generally aligned wood flakes compressed and bonded together with a binder, and integrally joined at the intersecting joint thereof by interleaved wood flakes ; and hot and flat pressed medium-to-high density and strength cast products such as particleboards, chipboards or the like as disclosed in Hunt et. al. U. S. Pat. No.

4,246, 310, Pringle U. S. Pat. 3,956, 541, McKean U. S. Pat. No. 3,956, 555, Fitzgerald et. al U. S. Pat. No. 5, 106, 666, Bumer U. S. Pat. No. 5,059, 466, and Shaner et. al. U. S. Pat. 4,361, 612. These cast products, which are mostly in forms of particleboards or chipboards of planar structures, have smooth-textured flat surfaces as a result of molding process involving high pressing and heating operations.

Considering the inherent properties of the aforementioned particleboards or chipboards, industrial applications specifically those involving decorative arts or crafts as applied to furniture, architectural components or the like, that

preferentially require natural looking surface textures and curvatures, would fall beyond their scope and teachings.

For reference to other prior art teachings on particleboard structures, attention is also directed to the McCoy U. S. Pat. No. 3,857, 752, Sears et. al U. S.

Pat. 3,441, 959 and Crivelli U. S. Pat. No. 5,258, 222.

SUMMARY OF THE INVENTION The present invention provides a molded coarse particle product preferentially made from wood flakes, chips or bits which is adapted for use as housewares, furniture, architectural components or articles such as decorative tiles, ornamental vases, garden accessories or the like. The invention includes a molded product comprised of coarse particles, preferentially wood bits, flakes, strands or chips, admixed and bonded together with an adhesive binder and lightly cold pressed into a mold preferably manually, together with a reinforcing means in a form of permeable sheet element such as wire mesh, textile, fabric, fiberglass mat or gauze-like materials, being integrally interposed and embedded therein.

It is therefore a primary object of this invention to provide a molded coarse particle product for use as housewares, furniture, architectural components or the like with a surface texture having the natural or original characteristics, that is, in terms of profile, contour, appearance, color and any inherent properties, of the particles comprising thereof such that it looks as natural as the said particles when viewed collectively together in plurality, and the quality and degree of roughness being defined by the natural features of the said particles.

Another object thereof is to provide a molded coarse particle product for use as housewares, furniture, architectural components or the like that is provided

with, a reinforcing means, giving it the needed structural strength and durability for its intended applications, say, an ornamental vase, chair or table components, decorative wall covering or facing, etc.

Still another object thereof is to provide a molded coarse particle product for use as housewares, furniture, architectural components or the like that is very economical and most practical to manufacture as it only utilizes indigenous materials and simple technology or craftsmanship.

BRIEF DESCRIPTION OF THE DRAWINGS Other objects, features and advantages of the invention will be better understood and appreciated from the following detailed description which is made in conjunction with the appended drawings, in which: Fig. 1 is a cut-away plan view of a preferred embodiment of the invention; Fig. 2 is a cross-sectional view thereof taken along line 2-2 of Fig. 1; Fig. 2a is an enlarged inset view thereof taken from Fig. 2; Fig. 3 is a cut-away plan view of another embodiment of the invention; Fig. 4 is a cross-sectional view thereof taken along line 4-4 of Fig. 3; Fig. 5 is a cut-away plan view of still another embodiment of the invention; Fig. 6 is a cross-sectional view thereof taken along line 6-6 of Fig. 5; and Figs. 7 to 9 are perspective views of illustrative examples of possible applications of the present invention.

DETAILED DESCRIPTION OF THE INVENTION Before describing the preferred embodiments of the invention in detail, it is to be understood that the phraseology and terminology employed herein are for purposes of description and should not be regarded as limiting.

Referring now to the drawing in which like reference numerals designate the same parts or elements all throughout the succeeding description, there is shown in Fig. 1 a preferred embodiment of a molded coarse particle product for use as housewares, furniture, insulation, architectural components or the like generally designated by reference numeral 10 comprising coarse particles 11, preferentially wood bits, flakes or chips, shredded wood, mulch, organic leftover or waste materials 1 a, e. g. rice hulls, coconut husk, fruit/vegetable/seed covering/peels, etc. , admixed and bonded together with an adhesive binder 12 and lightly cold pressed into a mold preferably manually, together with a reinforcing means 13 in a form of permeable sheet element such as wire mesh, textile, fabric, fiberglass mat or gauze-like materials, being integrally interposed and embedded therein. For relatively smaller molded product or article, it is preferably not provided with reinforcing means 13 since the required body strength thereof is sufficient enough for its intended usage.

The particles 11 that are of random irregular sizes can be in forms of flakes, chips, fragments, pellets, bits, strands or combination thereof of any suitable materials such as wood, glass, plastic, shell, metal, dried grass, organic leftover (leaves, twigs or bark) or waste materials, e. g. rice hulls, coconut husks, fruit coverings/peels, vegetable and seeds, etc. , the admixture thereof with the binder 12 being applied into a mold (not shown) that can be of any desired shapes or forms with light pressing pressure, preferably manually for small to medium- size volume of production, and preferably automatically by mechanized process for large-size production level such as the use of injection molding or any suitable molding processes so known. The binder 12 is preferably water-based or resin- based.

The surface texture 14 of the product 10 has the natural or original characteristics, that is, in terms of profile, contour, appearance, color and any inherent properties, of the particles 11 comprising thereof such that it looks as natural as the particles 11 when viewed collectively together in plurality, and the quality and degree of roughness being defined by the natural features of the same particles 11. As a design preference or variation, the surface texture 14 may be ground resulting in a product having flattened surface with smoothened or relatively rough finish which may be varnished as desired and have toughness as a result of grinding. Such product characteristics are illustrated in another embodiments of the invention shown in Figs. 3 to 6. Figs. 3 and 4 show the molded particle product generally designated by reference numeral 10a that utilizes particles 11b in a form of dried grass strands 15a cut into small pieces.

Figs. 5 and 6 show the molded particle product generally designated by reference numeral 10b that uses particles 11c in a form of a needle-like wood chips 15b.

Both these other embodiments are molded in the same manner as the preferred embodiment shown in Fig. 1.

The invention can have various applications as houseware articles such ornamental vases 16 and 17 or utility item holder 18 shown in Figs. 7 to 9, chair or table components, decorative wall covering or facing, etc. (not shown). In any of these applications, the invention is preferably adopted in combination with other components 19 made of different materials such as metal frame 20, cast stone base 21, complementary part 22 or any other desired elements or structures. The product is preferably treated as normally or conventionally adopted in the handicraft industry especially for wooden articles to protect it against material damage due to environmental adversities such as temperature changes, improper

handling, damage caused by insects, etc. For further surface protection purposes and design preferences, the product is also preferably provided in part or in its entirety with a finishing, protecting or enclosing layer in forms of dye, varnish, coating, paint which can either be alcohol-based, water-based or oil-based, or any suitable finishing materials preferred. The particles 11 may also be pre-treated and pre-coated by dyeing, coating, or painting using any suitable protecting and finishing materials as above-mentioned such as dye, varnish, coating and paint to provide surface protection and to obtain a variation in appearance and design of the product.

Before defining the scope of the following claims, it is to be understood that the invention is not limited in its application to the details of construction or structure of the components/elements set forth in the preceding description or illustrated in the drawings. It is to be noted that the invention is capable of other embodiments and limitless applications not disclosed herein, and of being practiced and carried out in various ways falling within the teaching and scope of the following claims.