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-0843779 (1986-03-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
In order to cut soft concrete before it has completely hardened, or about 12 to 18 hours after finishing, a rotating cutting blade and its drive motor are mounted on a wheeled support platform. The blade extends through a slot in the platform, and also through a skid plate depending from the platfor
A method of cutting grooves in concrete comprising the steps of: finishing an exterior surface of the concrete; cutting a groove in said surface with a rotating blade having an up-cut rotation and having a cutting edge and sides, said cutting occurring before said concrete has hardened sufficiently
※ AI-Helper는 부적절한 답변을 할 수 있습니다.