[특허]Method of pressing reconstituted lignocellulosic materials

[미국특허] Method of pressing reconstituted lignocellulosic materials 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29J-005/02
출원번호	US-0326086 (1981-11-30)
발명자 / 주소	Geimer Robert L. (Verona WI)
출원인 / 주소	The United States of America as represented by the Secretary of Agriculture (Washington DC 06)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A method of producing reconstituted wood boards in a conventional press by introducing saturated steam through apertured press platens into a partially-compressed mat, composed of lignocellulosic material and a thermosetting resin binder, under specified conditions of mat density. Use of saturated steam in this manner allows production of a reconstituted wood board with shorter total press time than usual and with a more efficient use of energy. In addition total press time can be further reduced by injecting a gaseous catalyst into the mat to speed the cure of the thermosetting resin binder.

대표청구항 ▼

A method of producing a panel or the like from a mat formed of lignocellulosic material and a thermosetting resin binder in a press including a pair of heated platens wherein each platen has apertures opening to one surface thereof which is adjacent to the other platen, the improvement comprising the steps of: a. compressing the mat between the apertured platens to a density of less than about 26 to 28 pounds per cubic foot; b. introducing saturated steam into the mat through apertures of both apertured platens and simultaneously further compressing the mat between the apertured platens at a rate such that a mat centerline temperature of at least 212°F. is reached before the mat achieves a density of from 34 to 36 pounds per cubic foot and permitting the steam to escape through the edges of the mat; c. continue compressing the mat between the apertured platens while maintaining the steam flow, until a desired final mat density is reached; d. continue steaming the mat for a length of time sufficient for the mat to reach a maximum centerline temperature; and e. maintaining the mat between the apertured platens for a length of time sufficient to cure the thermosetting resin binder.

이 특허를 인용한 특허 (65) 인용/피인용 타임라인 분석

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Swift, Brian Lee; Kissell, Ronald E., Binders and materials made therewith.
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Swift, Brian Lee; Kissell, Ronald E., Binders and materials made therewith.
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Swift, Brian Lee; Kissell, Ronald E., Binders and materials made therewith.
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Swift, Brian Lee; Kissell, Ronald E., Binders and materials made therewith.
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Swift, Brian Lee; Kissell, Ronald E., Binders and materials made therewith.
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Swift, Brian Lee; Kissell, Ronald E., Binders and materials made therewith.
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John D. Coleman AU, Manufacture of reconstituted wood products.
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Haas,Gernot von; Melzer,Gerhard, Method and single or multiple platen press for the manufacture of wood material boards.
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Phillips Earl K. ; Detlefsen William D. ; Creel Lewis D., Method for bonding lignocellulosic material with phenol-formaldehyde resin and carbon dioxide.
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Bonomo Brian ; Walsh Pete ; Seifert Kelly ; Vergara Alex ; Merrell Michelle, Method for making composite board using phenol formaldehyde binder.
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Larsson Owe G. T. (Hgans SEX) Aberg Anders B. H. (Tollarp SEX), Method for regulation the pressure of a liquid contained in mold pores which communicate with a mold cavity.
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Bonomo Brian ; Walsh Pete ; Seifert Kelly ; Vergara Alex ; Merrell Michelle, Method for steam pressing composite board having at least one finished surface.
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Bonomo Brian ; Walsh Pete ; Seifert Kelly ; Vergara Alex ; Merrell Michelle, Method for steam pressing composite board having at least one finished surface.
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Song, Jianping; Nichols, Pete, Method of forming a reconstituted wood block.
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Reetz William R., Method of forming a thermoactive binder composite.
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Lehtinen Thomas A. ; Ruffin Thomas M. ; Walsh John Peter ; Hill Allen R., Method of making cellulosic composite articles.
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Thole Volker,DEX ; Jahic Jadranko,DEX, Method of making organically bound wood-based materials.
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Dueholm, Sten, Method of manufacturing chipboards, fibre boards and the like boards.
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Lundgren Goran,SEX ; Schedin Kurt,SEX ; Sisleg.ang.rd Lars-Otto,SEX ; Thorbjornsson Sven-Ingvar,SEX, Method of manufacturing lignocellulosic board.
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Lundgren Goran,SEX ; Schedin Kurt,SEX ; Sislegard Lars-Otto,SEX ; Thorbjornsson Sven-Ingvar,SEX, Method of manufacturing lignocellulosic board.
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Walsh, John Peter; Hardwick, Geoffrey Brian; Hill, Allen Ray, Method of producing core component, and product thereof.
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Von Der Heide, Kay-Henrik; Von Haas, Gernot, Method of producing panel-shaped products.
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Rosthauser, James W.; Detlefsen, William D., Mixed PMDI/resole resin binders for the production of wood composite products.
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Rosthauser, James W.; Schmelzer, H. Georg, Mixed PMDI/solid novolac resin binders for the production of wood composite products.
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Pacorel, Benedicte; Hampson, Carl A., Molasses binder.
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James A. Thompson ; Ashok M. Sarpeshkar ; James W. Rosthauser ; Peter H. Markusch, PMDI wood binders containing hydrophobic diluents.
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Motter, William K.; Harmon, David M., Polymerization-enhancing composition for urea-formaldehyde resins, method of manufacture, method of use, and articles formed therefrom.
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Taylor Michael N. (Tacoma WA) Reid Timothy H. (Tacoma WA), Pressing process for composite wood panels.
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Walter Karl (Kempen DEX), Process for making a composite wood panel.
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Capps, Charles L., Saccharide-based resin for the preparation of composite products.
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Jarck, Walter, System and methods for the production of steam-pressed long fiber reconsolidated wood products.
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Hand, Richard; Jackson, Roger, Wood board and process for its production.
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Hand, Richard; Jackson, Roger, Wood board and process for its production.
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Baxter, Paul S.; Breyer, Robert A.; Cannon, Melissa J.; Cothran, John D.; Jennings, Jessica D.; Knight, James H.; Watts, Jr., Herman D.; Yeager, Daniel C., Wood composites bonded with phenol-formaldehyde by steam injection pressing.
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Jarck, Walter, Wood enhancement agent treated engineered wood products.
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[미국특허] Method of pressing reconstituted lignocellulosic materials 원문보기