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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0421650 (1995-04-13) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
Tube units useful for a variety of application are provided. Preferably, individual laminated tubes are joined to each other by intermediate pieces to produce a wide ribbon of parallel tubes. The tubes are porous to certain substances, allowing them to serve as an apparatus to exchange material betw
A continuous method for production of a tube unit that comprises: (a) joining together of two flat bands in a gap between two shaping members; (b) pressing together of the flat bands in the gap between the members, during which (c) wires parallel to each other and spaced at a distance are arranged i
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