Method of manufacturing a molded door skin from a flat wood composite, door skin produced therefrom, and door manufactured therewith
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04C-001/00
E06B-003/70
B27N-007/00
E04C-002/34
B29C-043/02
B29C-043/32
E06B-003/74
E04C-002/32
B29K-311/14
B29K-101/10
B29K-103/00
B29K-105/00
B29L-007/00
B29L-031/00
출원번호
US-0487818
(2014-09-16)
등록번호
US-9109393
(2015-08-18)
발명자
/ 주소
Moyes, Hartley
출원인 / 주소
Masonite Corporation
대리인 / 주소
Berenato & White, LLC
인용정보
피인용 횟수 :
1인용 특허 :
54
초록▼
A method of manufacturing a hollow core door is disclosed, as well as a corresponding hollow core door. The method includes the steps of providing a solid flat door skin, moisturizing the flat skin, applying a conditioning resin thereto, pre-heating the flat door skin, and thereafter pressing the fl
A method of manufacturing a hollow core door is disclosed, as well as a corresponding hollow core door. The method includes the steps of providing a solid flat door skin, moisturizing the flat skin, applying a conditioning resin thereto, pre-heating the flat door skin, and thereafter pressing the flat door skin between a pair of heated platens in a press in order to reform the flat skin into a molded skin including a plurality of panels defined therein. The press continuously closes in order to reform the flat skin into the molded skin, with the rate of press closure being a function of the determined hardness of the flat skin to be reformed. The resulting door skins have an improved bond strength, and are efficiently manufactured.
대표청구항▼
1. A molded door skin comprising: a first planar portion,a second planar portion, andan angled offset portion extending between and integrally connecting said first and second planar portions,wherein said angled offset portion has a first thickness, said first and second planar portions have a secon
1. A molded door skin comprising: a first planar portion,a second planar portion, andan angled offset portion extending between and integrally connecting said first and second planar portions,wherein said angled offset portion has a first thickness, said first and second planar portions have a second thickness, and said first thickness is less than said second thickness, andwherein said molded door skin is formed of wood composite comprising a thermosetting resin and has a bond strength of at least 2.0 N/mm2. 2. The molded door skin of claim 1, wherein the second thickness of said first and second planar portions is about 4 mm and the first thickness of said angled offset portion is about 3 mm. 3. The molded door skin of claim 1, wherein said door skin has a substantially uniform density throughout the thickness thereof in a range of about 550 kg/m3 to about 1200 kg/m3. 4. The molded door skin of claim 1, wherein said door skin has a substantially uniform density throughout the thickness thereof in a range of about 800 kg/m3 to about 1200 kg/m3. 5. The molded door skin of claim 1, wherein said door skin has a bond strength of at least 2.5 N/mm2. 6. The molded door skin of claim 1, further comprising a moisture impervious barrier applied to an exterior surface of said door skin. 7. The molded door skin of claim 1, wherein said first and second planar portions are parallel and non-coplanar with one another. 8. The molded door skin of claim 1, wherein said wood composite comprises a medium density fiberboard or hard board. 9. The molded door skin of claim 1, wherein said angled offset portion is contoured. 10. A molded door skin comprising: a first planar portion,a second planar portion, andan angled offset portion extending between and integrally connecting said first and second planar portions, said angled offset portion forming a rectangle with respect to an elevational view of said door skin to define a panel;wherein said angled offset portion has a first thickness, said first and second planar portions have a second thickness, and said first thickness is less than said second thickness, andwherein said molded door skin is formed of wood composite comprising a thermosetting resin and has a bond strength of at least 2.0 N/mm2. 11. The molded door skin of claim 10, wherein the second thickness of said first and second planar portions is about 4 mm and the first thickness of said angled offset portion is about 3 mm. 12. The molded door skin of claim 10, wherein said door skin has a substantially uniform density throughout the thickness thereof in a range of about 550 kg/m3 to about 1200 kg/m3. 13. The molded door skin of claim 10, wherein said door skin has a substantially uniform density throughout the thickness thereof in a range of about 800 kg/m3 to about 1200 kg/m3. 14. The molded door skin of claim 10, wherein said door skin has a bond strength of at least 2.5 N/mm2. 15. The molded door skin of claim 10, further comprising a moisture impervious barrier applied to an exterior surface of said door skin. 16. The molded door skin of claim 10, wherein said first and second planar portions are parallel and non-coplanar with one another. 17. The molded door skin of claim 10, wherein said wood composite comprises a medium density fiberboard or hard board. 18. A method of manufacturing a molded door skin, comprising: providing a wood composite flat blank that has already been compressed from a thick, loose, moisture-containing state;moisturizing the wood composite flat blank to raise a moisture content thereof;reforming the wood composite flat blank in a heated press to form a molded door skin, the molded door skin comprising a first planar portion, a second planar portion, and an angled offset portion extending between and integrally connecting the first and second planar portions, wherein the angled offset portion has a first thickness, the first and second planar portions have a second thickness, and the first thickness is less than the second thickness, and wherein the molded door skin is formed of wood composite comprising a thermosetting resin and has a bond strength of at least 2.0N N/mm2.
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이 특허에 인용된 특허 (54)
Rinker William E. (New Albany PA), Back-side die and die set for molded door facings.
Persson Gran (Jnkping SEX) Gustavsson Ove (Forserum SEX) Hugosson Bernt-Ola (Skillingaryd SEX), Heat form pressed product and a method of heat form pressing.
Pfau, James; Hart, Stephen; Bryant, James, Impact resistant door skin, door including the same, and method of manufacturing an impact resistant door skin from a pre-formed door skin.
Shaner Kenneth H. (Monroe NY) Thoman Bruce J. (Chester NY) Peterson Mark D. (Cornwall-on-Hudson NY) Fergus David A. (Goshen NY) Chiang Karl K. (Vancouver WA), Medium density mixed hardwood flake lamina.
Liang,Bei Hong; Luetgert,Karine; Coghlan,Henry; Walsh,John Peter; Hardwick,Geoffrey B., Method of manufacturing a decorative substrate and decorative substrate produced thereby.
Moyes Hartley,GBX, Method of manufacturing a molded door skin from a flat wood composite, door skin produced therefrom, and door manufactured therewith.
Ruggie Mark A. ; Lynch Steven K. ; Fischer Keith S. ; Pelletier James J. ; Stukenborg John B., Method of producing core component, and product thereof.
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Clarke John T. (St. Charles IL) Harker Royce K. (Lombard IL) Hittmeier Michael E. (Towanda PA) Eaton James W. (Elgin IL), Post-press embossing of a consolidated man-made board.
Luck Allan J. (Harvard IL) Clarke John T. (St. Charles IL) Sutton Roger F. (St. Charles IL), Post-press molding of man-made boards to produce contoured furniture parts.
Kharazipour Alireza (Gttingen DEX) Htterman Aloys (Gttingen DEX) Khne Gerhard (Dresden DEX) Rong Martin (Neumarkt/Opf. DEX), Process for conglutinating wood particles into formed bodies.
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