최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0026948 (1979-04-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 2 |
To make imitation coal elements, in the form of pellets or lumps which will glow and radiate heat effectively when heated by a gas flame in an open-type firegrate, use is made of raw ceramic bulk fibers. An appropriate mass thereof is moistened with a stiffening agent such as potato starch and is th
An imitation coal element comprising: a raw ceramic bulk fibre mass which has been moistened with a heat-settable stiffening agent, squeezed into its desired coal lump shape and baked to set it into the desired shape of lump which has subsequently been coloured black by a two-stage colouring process
※ AI-Helper는 부적절한 답변을 할 수 있습니다.