CERTAINTEED GYPSUM AND CEILING MANUFACTURING, INC.
대리인 / 주소
Abel Law Group, LLP
인용정보
피인용 횟수 :
0인용 특허 :
40
초록▼
A corner trim material that is made of a material that will bond with current industry mastics such as all purpose joint compounds, resists impact, resists abrasion, and readily accepts common coatings such as drywall mud, texture and paints. The surface of this material generally does not need to b
A corner trim material that is made of a material that will bond with current industry mastics such as all purpose joint compounds, resists impact, resists abrasion, and readily accepts common coatings such as drywall mud, texture and paints. The surface of this material generally does not need to be covered by any secondary fiber based material such as paper to improve bonding or coating on the inside or outside. The material generally consists of a polymer mixed with a fibrous material like pulp or glass fiber. A corner trim piece can be directly extruded from the mix. The corner trim piece can have a center hinge, can be bullnose, and the flanges can optionally have holes or optionally be coated with adhesive.
대표청구항▼
1. A corner for an interior wall of a building, comprising: at least two drywall boards having edges that meet to form an unfinished corner;a corner trim piece comprising an elongated, flexible, profiled and formed composite blend of materials having at least two flanges connected by a corner profil
1. A corner for an interior wall of a building, comprising: at least two drywall boards having edges that meet to form an unfinished corner;a corner trim piece comprising an elongated, flexible, profiled and formed composite blend of materials having at least two flanges connected by a corner profile suitable for finishing the corner;each of the flanges are bonded to one of the drywall boards covering respective edges thereof with the corner profile secured over the unfinished corner, wherein the flanges are continuously tapered from a thicker section adjacent to the corner profile to a thinner section at distal edges of the corner trim piece away from the corner profile; and whereinthe composite blend of materials comprises a first polymer having a first melt temperature and a second polymer having a higher melt temperature than the first polymer, the composite blend also comprising a fibrous material such that the elongated, flexible, continuously extruded, profiled and formed composite blend of materials bonds with at least one of an adhesive, drywall compound, texture and paint. 2. The corner of claim 1, wherein the flanges are joined by a thin section of the composite blend of materials, and the composite blend of materials is continuously extruded. 3. The corner of claim 1, wherein a groove is cut or formed between the flanges. 4. The corner of claim 1, wherein the corner profile is bullnose. 5. The corner of claim 1, wherein the corner profile is sharp nose. 6. The corner of claim 1, wherein the composite blend comprises a blend of base polymers and a blend of fibrous materials. 7. The corner of claim 1, wherein the flanges comprise holes configured to increase a bond strength between the flanges and drywall. 8. A corner trim piece, comprising: an elongated, flexible, profiled and formed composite blend of materials having at least two flanges connected by a corner profile suitable for finishing the corner;wherein each of the flanges is continuously tapered from a thicker section adjacent to the corner profile to a thinner section at distal edges of the corner trim piece away from the corner profile; and whereinthe composite blend of materials comprises a first polymer having a first melt temperature and a second polymer having a higher melt temperature than the first polymer, the composite blend also comprising a fibrous material such that the elongated, flexible, continuously extruded, profiled and formed composite blend of materials bonds with at least one of an adhesive, drywall compound, texture and paint.
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이 특허에 인용된 특허 (40)
Smythe, Jr., Timothy D., Boxable drywall corner bead.
Kelly Patrick M. (Cleveland OH) Howlett Robert E. (Middleburg Heights OH) Pomeroy Paul A. (Spencer OH) Alvarez Dennis A. (Euclid OH), Corner bead structure.
Grinnell Gary C. (Northampton MA) Klowak Bernard G. (Neenah WI) Bouchette Michael P. (Appleton WI), Fibrous paper cover stock with textured surface pattern and method of manufacturing the same.
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