[특허]Method of treating an aqueous suspension of kaolin

Method of treating an aqueous suspension of kaolin 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B03B-001/00 C04B-014/04
출원번호	US-0566130 (2000-05-05)
발명자 / 주소	Greenhill, David Andrew May, Anthony Allan Golley, Christopher R. L. Andrews, Ronald Windell
출원인 / 주소	Imerys Pigments, Inc.
대리인 / 주소	Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
인용정보	피인용 횟수 : 47 인용 특허 : 28

초록 ▼

대표청구항 ▼

A method of treating a kaolin particulate material to improve its properties by removal of impurities which includes the steps of: (a) producing a dispersed aqueous suspension of a kaolin particulate material containing at least 0.1% by weight, based on the dry weight of the kaolin particulate material, of separable impurity by adding a dispersing agent to the kaolin particulate material to deflocculate solid particles of the material in the suspension; (b) conditioning the suspension prior to adding selective flocculation polymer thereto by allowing the suspension to age for a period of at least 30 minutes and optionally by adding one or more conditioning chemicals thereto; (c) adjusting the pH of the suspension to be at least about 9.5; (d) adding to the suspension at a pH of at least about 9.5 a selective flocculation polymer which facilitates separation of the separable impurity from the kaolin by flocculating the kaolin and allowing the separable impurity to be or remain deflocculated; (e) allowing the suspension at a pH of at least about 9.5 in a selective flocculation separator to separate into layers comprising a flocculated product layer and a deflocculated impurity layer containing the separable impurity; and (f) extracting the separated layers from the separator. ning overlay element from the elongated rod. 3. The conveyor belt of claim 2, wherein the retainer includes a clip portion that sizes the vertical opening smaller than a thickness dimension of the elongated rod. 4. The conveyor belt of claim 1, wherein the transverse opening of each of the plurality of slide-in overlay elements and the plurality of retaining overlay elements are slots to allow the interlinked overlay elements to be nested together and extended away from one another. 5. The conveyor belt of claim 4, wherein each of the intermeshing extensions include a bulbous tip. 6. The conveyor belt of claim 1, wherein the slide-in overlay element and the retaining overlay element are formed from a non-metallic material. 7. The conveyor belt of claim 6, further including at least one link mounted to an end of the elongated rod. 8. The conveyor belt of claim 7, wherein the link is mounted to the end of the elongated rod using a high temperature process including at least one of welding and button head forming. 9. The conveyor belt of claim 7, wherein the link includes a transverse opening sized to receive an elongated rod therein. 10. The conveyor belt of claim 9, wherein the link is formed from a nonmetallic material. 11. The conveyor belt of claim 1, wherein combined transverse length of the plurality of slide-in overlay elements is longer than combined transverse length of the plurality of retaining overlay elements. 12. A conveyor belt comprising: a plurality of elongated rods interconnected with each other; a plurality of slide-in overlay elements, each having an upper surface, and a transverse opening sized to slidably receive one of the elongated rods; and a plurality of retaining overlay elements, each having a transverse opening sized to receive one of the elongated rods, and a vertical opening to allow vertical insertion of each retaining overlay element on to an elongated rod in a manner that each retaining element is adjacent to a slide-in overlay element; wherein the slide-in overlay element includes a lock mechanism which locks an end of the retaining overlay element with an end of the slide-in overlay element to resist removal of the retaining overlay element. 13. The conveyor belt of claim 12, wherein the lock mechanism includes a lock protrusion provided on an end of the slide-in overlay element that abuts the retaining overlay element, the lock protrusion being positioned proximate to the upper surface of the slide-in overlay element. 14. The conveyor belt of claim 12, wherein the lock mechanism further includes an interlock protrusion provided on an end of the retaining overlay element that abuts the slide-in overlay element, the interlock protrusion being offset relative to the lock protrusion of the slide-in overlay element, thereby allowing interlocking of the lock protrusion with the interlock protrusion. 15. The conveyor belt of claim 12, wherein the lock protrusion is positioned flush with the upper surface of the slide-in overlay element. 16. The conveyor belt of claim 12, wherein the vertical opening of each retaining overlay element includes a retainer that resists removal of the retaining overlay element from the elongated rod. 17. The conveyor belt of claim 16, wherein the retainer includes a clip portion that sizes the vertical opening smaller than a thickness dimension of the elongated rod. 18. A conveyor belt comprising: a plurality of elongated rods interconnected with each other; a plurality of slide-in overlay elements, each having an upper surface, and a transverse opening sized to slidably receive one of the elongated rods; and a plurality of retaining overlay elements, each having a transverse opening sized to receive one of the elongated rods, and a vertical opening to allow vertical insertion of each retaining overlay element on to an elongated rod in a manner that each retaining element is adjacent to a slide-in overlay element; wherein each of the plurality of slide-in

이 특허에 인용된 특허 (28)

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Behl Sanjay (Macon GA) Willis Mitchell J. (Macon GA) Young Raymond H. (Macon GA), Method for separating mixture of finely divided minerals.
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Williams Danny L. (Macon GA) Gantt George E. (Milledgeville GA) Behl Sanjay (Macon GA) Willis Mitchell J. (Macon GA), Method for separating mixture of finely divided minerals.
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Shi Joseph C. S. (Bartow GA), Method of beneficiating kaolin clay utilizing ammonium salts.
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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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Method of treating an aqueous suspension of kaolin 원문보기

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이 특허를 인용한 특허 (47)

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Method of treating an aqueous suspension of kaolin 원문보기

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이 특허에 인용된 특허 (28)

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