[특허]Plastic skin forming process

Plastic skin forming process 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-035/02 B29C-035/16 B29C-035/00 B29C-067/06 B29C-067/02 B29C-039/04 B29C-033/34 B29C-033/00
출원번호	US-0433361 (2002-10-09)
등록번호	US-7425294 (2008-09-16)
국제출원번호	PCT/US02/032413 (2002-10-09)
§371/§102 date	20031117 (20031117)
국제공개번호	WO03/031139 (2003-04-17)
발명자 / 주소	Grimmer,Robert A. Syphers,Dave Moore,Denis
출원인 / 주소	Grimmer,Robert A. Syphers,Dave Moore,Denis
대리인 / 주소	Grossman, Tucker, Perreault & Pfleger, PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 32

초록 ▼

An apparatus and method of producing plastic articles comprising preheating a metal mold (10) using infrared energy to establish a casting temperature, casting plastic material onto the preheated mold surface, fusing the plastic into a substantially uniform layer using infrared energy, cooling the m

대표청구항 ▼

What is claimed is: 1. A method of producing plastic articles, comprising: placing a metal mold at a first station to preheat said mold using infrared energy, said mold being contoured and having a back surface and a front surface wherein said infrared energy is directed at said back surface of said mold from a plurality of tubular electric infrared heating elements in a parallel array wherein each element is bent in a pattern to conform to and is spaced from said contoured back surface and wherein said mold does not rotate relative to said heating element array; moving said mold to a second station and casting plastic material onto said preheated metal mold front surface; moving said mold to another location and fusing said plastic into a substantially uniform layer using infrared energy wherein said infrared energy consists of infrared energy that is directed at said back surface of said mold by a parallel away of tubular electric infrared heating elements; moving said mold to a third station and cooling said metal mold using evaporative cooling; removing the cast plastic article from said metal mold; wherein said array comprising said plurality of conforming tubular electric infrared energy heating elements is spaced about 1-3 inches from the back surface of said mold and said tubes are further spaced about 1-3 inches apart running along the back surface of said mold to provide relatively uniform coverage of said back surface of said mold. 2. The method of claim 1 wherein said heaters operate in the temperature range of 1275-2000 F. 3. The method of claim 1, wherein said metal mold is coated with a coating to improve the absorptivity of said infrared energy. 4. The method of claim 3 wherein said coating is selectively applied to said mold to selectively locate said absorptivity of said infrared energy. 5. The method of claim 1 wherein said evaporative cooling employs latent heat. 6. The method of claim 5 wherein said latent heat is from vaporization. 7. The method of claim 1 wherein said plastic material is a thermoplastic or thermoset. 8. The method of claim 1 wherein said plastic is selected from the group consisting of urethane, vinyl, olefin, acrylic, styrene, thermoplastic elastomer, polysulfone, polyimide, polyphenylene oxide, polyamide, epoxy, and combinations thereof. 9. The method of claim 1 wherein said evaporative cooling comprises contacting said metal mold with a mist of air and water. 10. The method of claim 1 wherein said location for fusing said plastic into a substantially uniform layer comprises said first station. 11. Apparatus for products cast as plastic articles comprising: (i) a metal mold to receive cast plastic material, said metal mold being contoured and having a back surface; (ii) a plurality of molding stations; (iii) a plurality of tubular electric infrared heating elements configured in a parallel away located in one of said plurality of molding stations to heat said mold to a desired casting temperature wherein each of said infrared heating elements is bent in a pattern to conform to and is spaced from and provide heat at said back surface of said mold, wherein said mold does not rotate relative to said heating element array; (iv) a cooling device comprising a latent heat system located in another of said plurality of molding stations; wherein said away comprising said plurality of conforming tubular electric infrared energy heating elements is spaced about 1-3 inches from the back surface of said mold and said tubes are further spaced about 1-3 inches apart running along the back surface of said mold to provide relatively uniform coverage of said back surface of said mold.

이 특허에 인용된 특허 (32)

Preston Frank J. (Hampton NH), Air and water delivery system for a shell mold.
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Bauer Adolf (Olching DEX) Wagner Peter (Weichs DEX), Apparatus for molding an article from a fusible synthetic resin.
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Soulier Jol (Ivry La Bataille FRX), Apparatus for molding particulate expandable thermoplastic resin material using microwave heating.
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Souders Steven L. (Portsmouth NH), Forming method and apparatus.
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Shimomura Setsuhiro (Himeji JPX) Tada Yasuo (Himeji JPX), Fuel control apparatus.
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Jackson ; Jr. Kenneth L. (Farmington NH), Metal mold with extended heat transfer surface.
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Akopyan Razmik L., Method and apparatus for molding three-dimensional objects of complex shape by means of RF heating.
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Parker Thomas (Strafford NH) Iannazzi Peter (Hampton NH), Method for forming an outer skin for a cover assembly.
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Fuwa Yoshio (Aichi JPX) Hirata Kuninori (Aichi JPX), Method for peeling the safety panel of a CRT.
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Sugimoto Hiroyuki,JPX ; Nakatsuji Yoshihiro,JPX ; Igarashi Toshio,JPX ; Tanaka Shigeo,JPX, Method for producing molded article by powder slush molding a thermoplastic elastomer powder.
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Parkinson Kevin G.,CAX, Method for seamless construction of molded elastomer products.
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Gallagher Michael J. (325 Winnacunnet Rd. Hampton NH 03842) Humphrey William (61 Tuttle La. Dover NH 03820) Salisbury Wayne C. (Kings Hwy. Middleton NH 03887) Syphers David W. (R.R. #1 Box 58 Farming, Method of manufacturing an interior trim panel using polyurethane powder.
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Winkle ; Sr. Sherman E. (Franklin OH) Cockerham Lloyd E. (Middletown OH) Myers Frederick A. (Middletown OH), Method of producing plastic coated metal strip.
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Colby Daniel E. (Somersworth NH), Method using modular slush molding machine.
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Colby Daniel E. (Somersworth NH), Modular slush molding machine.
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Gray John D. (New Durham NH), Mold method and apparatus for plastic shells.
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Kurihara Fumio,JPX ; Kumamoto Mitsuyoshi,JPX ; Ito Yasuhito,JPX ; Nagano Masanobu,JPX ; Nakamura Jun,JPX, Molding process utilizing a molding apparatus.
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Keshavaraj Ramesh, Multiple panel airbag.
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Gale Richard S. (Iowa City IA) Hanson Robert L. (Grosse Pte. Farms MI) Piechura Michael L. (Detroit MI) Warnick Richard E. (Birmingham MI), Powder slush process for making plastic articles.
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Hanamoto Keiji,JPX ; Matano Takeshi,JPX ; Kobayashi Kazuhisa,JPX ; Shibata Masayuki,JPX ; Atake Hiroyuki,JPX, Process for effecting injection-molded-in decoration.
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Gardner ; Jr. John A., Process for making decorative automotive interior trim articles with cast integral light stable covering.
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Audley Gary J. (Weybridge GB2) Grint Alan (Weybridge GB2), Production of high surface area carbon fibres.
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Meuret Paul V. (La Seyne-s/Mer FRX), Rotational moulding machine.
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Horton Roger L. (Somersworth NH), Rotational slush molding method.
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Brandt James L. (Monroeville PA) King William (Lower Burrell PA) Minford James Dean (New Kensington PA) Valchar Clement E. (Lower Burrell PA), Selective black coating for aluminum.
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McNally Douglas J.,CAX, Slush molding apparatus.
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McNally Douglas J.,CAXITX N7M 3E7, Slush molding apparatus.
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Takamatsu Shigeki (Toyota JPX), Slush molding method and apparatus therefor.
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Anestis Emmanuel (Raymond NH) Wakefield Frederick I. (Durham NH), Slush molding method with selective heating of mold by air jets.
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Hikasa Tadashi (Kimitsu JPX) Mendori Hiroaki (Ichihara JPX) Hamanaka Tatsuo (Ichihara JPX) Igarashi Toshio (Kyoto JPX) Shida Yuu (Takatsuki JPX), Thermoplastic elastomer powder for powder molding, powder molding method using the same and molded article thereof.
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Kerr Andre B. (Glendale CA), Tooling for composite parts.
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Osgar Michael L. (Eagan MN), Welding fluoropolymer pipe and fittings.
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