[특허]Flexible self-regulating heating pad combination and associated method

Flexible self-regulating heating pad combination and associated method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H05B-003/34
출원번호	US-0845222 (1992-03-03)
발명자 / 주소	Sullivan William M. (Laurel MS) Irwin Jr. William W. (Taylorsville MS) Murin Charles W. (Hattiesburg MS) McNair James R. (Bay Springs MS) Stine Clifford R. (Austin TX)
출원인 / 주소	Sunbeam Corporation (Fort Lauderdale FL 02)
인용정보	피인용 횟수 : 97 인용 특허 : 0

초록 ▼

A flexible, electric heating pad having a self-limiting heating element is provided. The heating element includes a pair of relatively spaced conductors surrounded by a positive temperature coefficient (PTC) material. A layer of electrically insulating material surrounds the PTC material. The PTC material includes a polyolefin resin having a relatively low flexural modulus. The heating element is disposed in a generally serpentine configuration within passages formed in the covering material of the heating pad. The passages are formed by joining together layers of covering material using ultrasonic welding or other suitable ways. The temperature of the heating element is controlled using controller circuit which utilizes a solid state timed interval control circuit. A safety circuit is provided for non-resettably disconnecting electrical power from the heating element if short or open circuit conditions occur therein. A temperature indicator and a variable automatic shutoff circuit are also provided with the controller circuit. A method of making the heating pad is also provided.

대표청구항 ▼

A flexible heating pad comprising: an elongated self-limiting heating element having two relatively spaced conductors surrounded by positive temperature coefficient material; said positive temperature coefficient material having a density of about 0.928 to 0.958 grams per cubic centimeter and a flexural modulus of about 50,000 to 150,000 psi; a layer of electrically insulating material surrounding said positive temperature coefficient material, a power supply cable having one end electrically connected to one end of each said conductor; connector means on the other end of said power supply cable for connection to a source of electrical power; plug means for electrically connecting said heating element to said power supply cable; controller means electrically connected to said heating element for regulating electrical power supplied to said heating element to limit maximum temperature thereof; flexible covering material forming an outer cover; said heating element being disposed in a generally serpentine configuration within said outer cover; and said flexible covering material being joined together in at least one location to form at least one passage in which said heating element is disposed.

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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
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

연합인증

Flexible self-regulating heating pad combination and associated method 원문보기

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Flexible self-regulating heating pad combination and associated method 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (97)

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