[특허]Valve disposition and configuration designed to improve color dosing response time in a process of coloring polyurethane foam carpet underlay

[미국특허] Valve disposition and configuration designed to improve color dosing response time in a process of coloring polyurethane foam carpet underlay 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01F-005/04 B01F-015/02
출원번호	US-0335197 (1999-06-17)
발명자 / 주소	Kochanowicz Christopher T. Chavis Jimmy D. Pitman F. Mark Ragsdale Mark E.
출원인 / 주소	Milliken & Company
대리인 / 주소	Moyer
인용정보	피인용 횟수 : 8 인용 특허 : 15

초록 ▼

This invention relates to an improved procedure and apparatus for making colored polyurethane foam products, such as carpet underlay and the like, as well as the improved colored product itself. Such a procedure entails the utilization of at least one valve assembly within a color dosing manifold such that the valve itself is simultaneously in contact with both the outside surface and the inside surface of the manifold. Such a disposition for a valve assembly permits color to be introduced directly into a binder (i.e., polyol and isocyanate) or polyol stream in order to substantially eliminate any color remaining in contact solely with the inside walls of the manifold. This in turn permits thorough mixing of the binder and colorant and substantially reduces the response time from opening the valve to producing colored polyurethane materials (such as polyurethane foam), thereby effectively eliminating the production of waste polyurethane product. The inventive configuration comprising a specific type of ball valve and/or the placement of a plurality of such disposed valves in a radial configuration on the manifold are also contemplated within the invention.

대표청구항 ▼

[ What we claim is:] [1.]1. A liquid transfer apparatus comprising a manifold pipe having an inside surface and an outside surface, within which said liquid is mixed together with other liquids; at least one ball valve assembly; at least one inlet feed line; at least one dispensing feed line; and at least one recirculating feed line; wherein said inlet feed line transfers liquid into said valve assembly; wherein said valve assembly is oriented either to transfer liquid into said dispensing feed line or into said recirculation feed line; and wherein said recirculation feed line is oriented to accept any liquid not transferred to said dispensing feed line; and wherein said at least one valve assembly extends within said manifold such that said at least one valve assembly is simultaneously in contact with both said outside surface and said inside surface of said manifold pipe.

이 특허에 인용된 특허 (15) 인용/피인용 타임라인 분석

Cramer Gregory D. (Seaford DE) King Irvin B. (Seaford DE) Sauerbrunn Robert D. (Seaford DE) Strand Albert T. (Newark DE), Additive injection valve.
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Signer Arno,CHX, Apparatus for injecting additives into a flow of a highly viscous liquid.
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Akamatsu Osamu (Kobe JPX), Ball-type stop cocks having standard matching flanges.
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Farquhar Keith R. (Cheltenham GBX), Condensate traps.
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Hunt Kevin F. (2148 Looscan La. Houston TX 77019), Fluid control valve.
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Schneider Fritz W. (Erlenstrasse 1 Strasslach-Hailaring DEX 8021), High velocity mixing method.
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Burt R. Douglas (St. George CAX), Integral inlet valve and mixer to promote mixing of fluids in a tank.
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Hladis Alan (Akron OH), Malfunction monitoring device and method for a multiple-port mixhead plunger.
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Stuper John (Akron OH), Mix head for mixing reactive chemicals.
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Johnson Roger E. (Girard PA), Multi-nozzle spray desuperheater.
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Cross John P. (Spartanburg SC) Britton ; Jr. George H. (Spartanburg SC), Process for coloring thermosetting resins.
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Decker Herman W. (P.O. Box 1106 Port Salerno FL 34992), Reactive fluid mixing head.
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Fiorentini Carlo,ITX ; Bonansea Alberto,ITX, Self-cleaning, mixing apparatus and method for the production of polyurethane formulations.
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Leidal ; Shirley Margaret, Stem adjustment seal for reaction injection molding machine.
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Sakaki Kazuhiro,JPX, Three-way ball valve.
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이 특허를 인용한 특허 (8) 인용/피인용 타임라인 분석

Maruta,Tomonori, Ball valve.
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VanDalsem, Scott Eugene; Streit, Brian D., Extruder with static mixer injector.
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VanDalsem, Scott Eugene; Streit, Brian D., Extruder with static mixer injector.
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VanDalsem, Scott Eugene; Streit, Brian D., Method of extruder operation using static mixer injector.
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VanDalsem, Scott Eugene; Streit, Brian D, Method of preconditioning comestible materials using steam/water static mixer.
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VanDalsem, Scott Eugene; Streit, Brian D., Steam/water static mixer injector for extrusion equipment.
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VanDalsem, Scott Eugene; Streit, Brian D., Steam/water static mixer injector for extrusion equipment.
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Radford, Philip T.; Rolen, Jack L., Valved manifold and system suitable for introducing one or more additives into a fluid stream.
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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] Valve disposition and configuration designed to improve color dosing response time in a process of coloring polyurethane foam carpet underlay 원문보기