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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Method and compositions for spray molding polyurethane three dimensional objects

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08G-018/32   
미국특허분류(USC) 528/073; 528/076; 521/158; 521/163; 264/309; 264/337; 524/789
출원번호 US-0449871 (1999-11-29)
발명자 / 주소
대리인 / 주소
    Howrey Simon Arnold & White
인용정보 피인용 횟수 : 38  인용 특허 : 57
초록
▼

A method of producing three dimensional polyurethane shapes by spray molding a quasi-gel like polymer precursor composition that is first mixed and then sprayed by a spray gun. The spray coating of quasi-gel polymer precursor composition subsequently cures to form a molded polyurethane polymer shape. Such artificial three dimensional shapes may include rocks, rock walls or faces, tree stumps or limbs, animals, architectural features or settings in which a certain visual appearance is desired. The method includes: creating a mold and supporting cradle hav...

대표
청구항
▼

1. A method of making a molded polyurethane three dimensional shape, the method comprisingcreating a mold and supporting cradle having a mold cavity conforming to the exterior of shape desired, said mold having a substantial degree of flexibility; spraying a quasi-gel polymer precursor composition into the mold cavity, said quasi-gel polymer precursor composition comprising a mixture of an isocyanate portion and a curative portion and being mixed prior to introduction into a spray gun, carrying out said spraying to build up the molded three dimensional s...

이 특허에 인용된 특허 (57)

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