资源 标记: Paper Industry
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1986-01-01 Modern machines form paper in a continuous ribbon or web, not a single sheet at a time as did the ancients. A good papermaker in the olden days could make enough sheets in a day to weigh about 90kg. Today, an average machine makes 90,000kg per day! Much of the paper produced ultimately ends up as...
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1979-01-01 In many areas of developing countries paper is scarce. Rural schools may not have enough paper for their students and market goods may be wrapped in old newspapers if at all. Often this is because resources are not available to invest in modern papermaking factories, which require large amounts...
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1989-01-01 This process is for the manufacture of small, box-shaped paper bags (our specific process turns out one and three quarters kilo bags, but a similar process is possible for other sizes as well.) It is designed to make 500 bags per day with a labor force of 3 to 5 people. This method uses labor as...
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1986-01-01 One field in which hand and small-scale papermakers do find a niche is the production of the very highest quality "art" papers, or the manufacture of a variety, of paper products or small local markets that are not served by large producers. Another area in which papermaking processes can be...
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1986-01-01 13 pages, illustrated, photos
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This technical memorandum, which has been prepared jointly by the ILO and UNIDO, is part of a series of publications on manufacturing technologies. The object of the series is to acquaint small-scale producers with alternative production techniques for specific products and processes, so as to...