[특허]Smoking article with single piece restrictor and chamber

[미국특허] Smoking article with single piece restrictor and chamber 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A24D-003/04
출원번호	US-0890498 (2007-08-07)
등록번호	US-8424539 (2013-04-23)
발명자 / 주소	Braunshteyn, Michael Li, San Olegario, Raquel
출원인 / 주소	Philip Morris USA Inc.
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 21 인용 특허 : 108

초록 ▼

A smoking article having a filter segment that establishes both a desired resistance to draw and a mixing of mainstream smoke with ventilation air. The filter segment includes a fluted portion, a frusto-conical portion and axially extending orifices establishing fluid communication between the frust

대표청구항 ▼

1. A smoking article comprising a tobacco rod extending in an axial direction, a filter and a tipping paper operatively connecting said filter with said tobacco rod, said filter comprising a single piece restrictor filter segment having a fluted section, a frusto-conical section having an open upstream end and a closed downstream end, orifices that establish both a desired resistance to draw and a mixing of mainstream smoke with ventilation air, and a downstream plug of filter material, wherein outer peripheries of the fluted section and the frusto-conical section are adjacent the tipping paper and wherein the fluted section includes at least two walls defining voids between the walls and each of the orifices is in fluid communication with one of the voids, the walls of the fluted section terminating in a plane perpendicular to the axial direction and in contact with the downstream plug of filter material, wherein ventilation holes are located along said filter downstream of said orifices and in fluid communication with one or more of said voids. 2. The smoking article of claim 1, further including a plug of filter material upstream of the filter segment. 3. The smoking article of claim 2, wherein said upstream plug of filter material comprises carbon on tow. 4. A smoking article comprising a tobacco rod extending in an axial direction, a filter and a tipping paper operatively connecting said filter with said tobacco rod, said filter comprising upstream and downstream plugs of filter material and a hollow member therebetween, the hollow member in the form of a single piece restrictor element having an upstream frusto-conical section having an open upstream end and a closed downstream end and a downstream fluted section including at least two walls defining voids between the walls, the outer peripheries of the fluted section and the frusto-conical section adjacent said tipping paper and the frusto-conical section including orifices therethrough communicating with the voids between the walls of the fluted section, the walls of the fluted section terminating in a plane perpendicular to the axial direction and in contact with the downstream plug of filter material, wherein ventilation holes are located along said filter downstream of said orifices and in fluid communication with said voids. 5. The smoking article of claim 4, wherein the fluted section includes four planar walls defining four voids and the frusto-conical section includes four orifices, each of the orifices in fluid communication with a respective one of the voids. 6. The smoking article of claim 4, wherein the outer diameter of the frusto-conical section of the hollow member is approximately equal to the diameter of the upstream plug of filter material. 7. The smoking article of claim 4, wherein the frusto-conical section of the hollow member abuts the upstream plug of filter material. 8. The smoking article of claim 4, wherein the hollow member includes a sorbent. 9. A method of making a filter extending in an axial direction comprising the steps of: repetitively forming single piece restrictor filter segments having a fluted portion including two walls defining voids between the walls and a frusto-conical portion having an open upstream end and a closed downstream end;repetitively forming axially extending orifices in said filter segments to establish communication between said fluted portion and said frusto-conical portion;repetitively combining said filter segments with mouthpiece filter segments and upstream filter segments; andestablishing ventilation at a location along said fluted portion,wherein the orifices are in fluid communication with the voids, the walls of each fluted portion terminating in a plane perpendicular to the axial direction and in contact with one of the mouthpiece filter segments.

이 특허에 인용된 특허 (108) 인용/피인용 타임라인 분석

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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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구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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

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[미국특허] Smoking article with single piece restrictor and chamber 원문보기

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[미국특허] Smoking article with single piece restrictor and chamber 원문보기

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