[특허]Method and apparatus for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermall

[미국특허] Method and apparatus for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermall 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-043/56
출원번호	US-0585820 (1990-09-20)
우선권정보	EP-0103198 (1990-02-20)
발명자 / 주소	Munk Edmund (Oberstenfeld DEX) Huber Helmuth (Gronau DEX)
출원인 / 주소	Werzalit AG and Co. (Ostenfeld DEX 03)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

The process for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermally hardenable binder, includes pressing the mixture in a press with a mold closed on all its sides, hardening the mixture in the mold with thermal energy, and feeding a hot gas, especially steam, in the mixture during the pressing to supply at least a portion of the thermal energy required for hardening. To heat and harden the molded article in a minimum time, the hot gas is fed into the mixture in a direction substantially perpendicular to the pressing direction. Introduction of steam begins at least as soon as the onset of the pressing, but ends prior to the end of the pressing. A suitable apparatus for performing this process is described in which the mold cavity has walls containing feed ducts for the hot gas which feed the gas perpendicular to the pressing direction.

대표청구항 ▼

In a process for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermally hardenable binder, comprising the steps of pressing said mixture in a press with a mold closed on all sides of said mold, said pressing occurring in a pressing direction, hardening said mixture in said mold with thermal energy, and feeding a hot gas in said mixture during said pressing to supply at least a portion of said thermal energy required for said hardening, the improvement comprising introducing said hot gas into said mixture found in said mold in a direction substantially perpendicular to said pressing direction, and wherein said feeding said hot gas in said mixture begins at least as soon as said pressing and terminates substantially prior to termination of said pressing. An apparatus for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermally hardenable binder, comprising a lower press tool and an upper press tool movable on said lower press tool over a portion of said lower press tool, said upper press tool and said lower press tool defining a mold cavity therebetween having at least one wall, said nonflowable mixture being pressed in said mold cavity to form said molded article, said upper press tool having a cover and being structured, so that said nonflowable mixture is intractable into said mold cavity, and said upper press tool being structured for motion on said lower pres tool in a pressing direction for pressing said mixture in said mold cavity to form said molded article, said upper press tool also having a plurality of feed ducts for said hot gas connected with said mold cavity, said feed ducts being oriented substantially perpendicular to said pressing direction for introduction of steam to said nonflowable mixture substantially perpendicular to said pressing direction, and a supply line connected with a supply reservoir for said hot gas, said supply line being connected with said feed ducts, wherein all of said feed ducts are covered and closed by said lower press tool during motion of said upper press tool in said pressing direction.

이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Sun, Xiuzhi S.; Karr, Greggory S., Apparatus for forming biodegradable and edible feed packaging materials.
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Linville John E. ; Maier Donald R. ; Saaf Patrick M., Casket lid and method and making same.
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Buchler, Kevin R.; Cunningham, Gary R.; Dennis, Todd K.; Hankel, Bryan M.; Linville, John E.; Maier, Donald R.; Mauch, Stephanie E.; Moster, Vincent Mark; R uss, Roger L.; Saaf, Patrick M., Casket lid and method of making same.
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Buchler,Kevin R.; Cunningham,Gary R.; Dennis,Todd K.; Hankel,Bryan M.; Linville,John E.; Maier,Donald R.; Mauch,Stephanie E.; Moster,Vincent Mark; Reuss,Roger L.; Saaf,Patrick M., Casket lid and method of making same.
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Linville, John E.; Maier, Donald R.; Saaf, Patrick M., Casket lid and method of making same.
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Dodd William R., Consolidated cellulosic product, apparatus and steam injection methods of making the same.
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Soh, Sung Kuk, Method and apparatus for producing non-planar formed parts using compaction molding compounds, and parts formed using same.
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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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Huber Helmut,DEX, Method of and device for producing shaped parts.
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Schallenmueller Karl-Heinz,DEX ; Weinberg Gerd,DEX ; Huber Helmuth,DEX, Multi-purpose press for producing formed parts.
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Huff, Norman T.; Karra, Janakikodandaram, Process for curing a porous muffler preform.
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Huff, Norman T.; Karra, Janakikodandaram, Process for curing a porous muffler preform.
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Bonomo Brian ; Walsh Pete ; Seifert Kelly ; Vergara Alex ; Merrell Michelle, Steam injection press platen for pressing fibrous materials.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method and apparatus for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermall 원문보기

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[미국특허] Method and apparatus for making a molded article from a nonflowable mixture of chip and/or fiber material and a thermall 원문보기

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