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Alfred George Brookes
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Individual
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Individual
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Publication of GB189700221ApublicationCriticalpatent/GB189700221A/en
221. Brookes, A. G., [Northrop, J. H.]. Jan. 5. Tyres, pneumatic.- An improved air tube and valve stem are described. The air tube is vulcanized so that while circular when inflated, it folds up transversely when deflated. In one form, it is made plain and the cover has overlapping flaps ; in another, it has a rib f which wedges between the edges of the cover, The valve stem is a tube of india-rubber with flange and exterior both corrugated, Fig. 8.
GB189700221D1897-01-051897-01-05Improvements in Pneumatic Tyres for Wheels of Vehicles.
ExpiredGB189700221A
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