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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0359368 (1982-03-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 0 |
A method for the production of corrugated paper comprising the steps of feeding a continuous sheet of paper over a first arcuate roller, making several folds in the paper along lines of radius of the first arcuate roller, passing the paper over a second arcuate roller which has the same center of cu
A method for the production of corrugated paper which comprises the steps of: a. feeding a continuous sheet of paper over a first elongated arcuate roller, said first arcuate roller being arcuately curved along its length and disposed in a first plane, said paper being fed to said first arcuate roll
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