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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0779386 (1977-03-21) |
우선권정보 | FR-0033304 (1976-11-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 2 |
A method is provided for making road surface coatings by depositing a layer of chippings on a hydrocarbon binder in the form of a foam and wherein the thickness of the foam is substantially equal to the maximum dimension of the chippings and thereafter compacting the resulting product mixture.
In a method for making road surface coatings from an asphalt binder and chippings mixed therewith, followed by compaction, the improvement wherein the asphalt binder is foamed utilizing a fluorinated hydrocarbon as an expansion agent and is in the form of a foam when the chippings are spread out and
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