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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0968627 (1978-12-11) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 23 인용 특허 : 1 |
The invention is an improved building material for constructing buildings, a building material which also has insulating qualities. The building material may be formulated as a mortar or as a concrete like composition. The materials consist of cement, regular fine aggregate, regular coarse aggregate
A building material compounded from and consisting of: one part of cement; a first aggregate consisting of two parts of sand; a second aggregate consisting of four parts of a coarse aggregate; a third aggregate consisting of two parts of perlite; a fourth aggregate consisting of four parts of ash.
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