[특허]Methods of recycling carpet components and carpet components formed thereform

Methods of recycling carpet components and carpet components formed thereform 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B02C-019/00
출원번호	US-0427782 (2009-04-22)
등록번호	US-8113448 (2012-02-14)
발명자 / 주소	Keating, Joseph Z.
출원인 / 주소	Keating, Joseph Z.
대리인 / 주소	Withers & Keys, LLC
인용정보	피인용 횟수 : 17 인용 특허 : 107

초록

Methods of recycling carpet components are disclosed. Usable compositions containing recycled carpet components, and carpets and carpet components containing recycled carpet components are also disclosed.

대표청구항 ▼

1. A method of recycling carpet components, said method comprising: separating at least a portion of fibers from a first mixture of carpet components comprising carpet fibers, a carpet adhesive component, and used filler material so as to form a second mixture comprising residual carpet fibers, the carpet adhesive component, and the used filler material; andco-grinding the second mixture with a solid inorganic particulate material, wherein said co-grinding step results in a third mixture comprising a free-flowing powder having an average particle size. 2. The method of claim 1, wherein at least a portion of the free-flowing powder comprises particles comprising (i) a portion of the carpet adhesive component at least partially surrounded by (ii) a portion of the solid inorganic particulate material. 3. The method of claim 1, wherein the average particle size of the third mixture ranges from about 1.0 to about 50 microns (μm). 4. The method of claim 1, wherein the third mixture comprises particles having a particle size ranging from about 1.0 to about 300 microns (μm). 5. The method of claim 1, wherein the third mixture comprises from about 10 to about 90 weight percent (wt %) of the second mixture, and from about 90 to about 10 weight percent (wt %) of the solid inorganic particulate material. 6. The method of claim 1, wherein the third mixture comprises from about 20 to about 80 weight percent (wt %) of the second mixture, and from about 80 to about 20 weight percent (wt %) of the solid inorganic particulate material. 7. The method of claim 1, wherein the solid inorganic particulate material comprises (i) new filler material selected from calcium carbonate, limestone, alumina trihydrate, brucite, feldspar, dolomite, silica, or any combination thereof; (ii) post industrial filler material selected from fly ash, glass, and any combination thereof; (iii) post consumer filler material comprising post consumer glass; or (iv) any combination of any of (i), (ii) and (iii). 8. The method of claim 7, wherein the solid inorganic particulate material comprises calcium carbonate, limestone, or a combination thereof. 9. The method of claim 7, wherein the solid inorganic particulate material comprises post consumer glass. 10. The method of claim 1, wherein said separating step comprises: processing the first mixture through one or more screens having a screen mesh size ranging from about 10 to about 80 mesh. 11. The method of claim 1, wherein said co-grinding step comprises: processing the second mixture and the solid inorganic particulate material through one or more grinding mills. 12. The method of claim 1, wherein the first mixture comprises: from about 40 to about 60 wt % of the carpet fibers;from about 5 to about 20 wt % of the adhesive component; andfrom about 15 to about 40 wt % of the used filler material;wherein all weight percentages are based on a total weight of the first mixture. 13. The method of claim 1, further comprising: incorporating the free-flowing powder into a new carpet component. 14. The method of claim 13, wherein the new carpet component comprises a new carpet backing, a new carpet adhesive component, or a combination thereof. 15. The method of claim 1, further comprising: offering for sale the free-flowing powder.

이 특허에 인용된 특허 (107)

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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Methods of recycling carpet components and carpet components formed thereform 원문보기

초록

대표청구항 ▼

연구과제 타임라인

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연합인증

Methods of recycling carpet components and carpet components formed thereform 원문보기

초록

대표청구항 ▼

연구과제 타임라인

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