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Improvements in the manufacture of moulded india-rubber hot water bottles, air cushions and other articles of a similar nature
Improvements in the manufacture of moulded india-rubber hot water bottles, air cushions and other articles of a similar nature
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机译:改进模制印度橡胶热水瓶,气垫和其他类似性质的物品的制造
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288,411. loc¾ Rubber & Waterproofing Co., Ltd., Ryan, A., and Kirkwood, J. Feb. 21, 1927. Indiarubber, ornamenting. An unvuleanized rubber shoot is backed with a glazed or faced sheet and led to a printing machine F of the calico-printing type and then over steam-heated drying plates. In the manufacture of hot water bottles blanks cut from the sheet after removal of the backing are arranged round a core K in a mould J, L and pressure and heat are applied by a ram N and steam pipes O.
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