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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0525894 (1974-11-21) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 58 인용 특허 : 0 |
There is provided a laminate of at lest two thermoplastic films which has a plurality of embossed parallel ribs running in at least one direction, said films being blocked together at spaced apart spots along each rib. Such laminate is prepared by passing at least two thermoplastic films in a superi
A laminate of at least two thermoplastic films having a plurality of parallel embossed ribs running in at least one direction, said films being blocked together at spaced apart spots along each rib, whereby said films are joined discontinuously.
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