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Franz Rammrath
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Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes
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Making Paper Articles
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Abstract
3899. Rammrath, F. Feb. 16. Pleating &c. - Relates to means for ventilating conical covers for corn shocks &c. - Fig. 2 shows a cover with air inlets b, outlets c, and a hood e. The upper holes may be covered by separate flaps. The cover consists of overlapping plain or corrugated triangular plates made of wood pulp, pasteboard, cardboard, or paper, impregnated with waterproofing materials; strengthening-ribs, such as willow rods, reeds, wires, thin laths, &c. may be embedded in the material and may be arranged parallel or trellis-wise. Fig. 3 shows a method of corrugating the plates and stiffening-ribs by means of grooved rollers.
GB190703899D1907-02-161907-02-16Improved Covering for Corn Stacks or the like.
ExpiredGB190703899A
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