Show Paper Tires For Bicycle The writer has visited the experimental shop of the parties who are working out the idea of malting tires from paper for bicycles A pressure equal to 120 pounds was brought to bear upon a rubber tirs wheel in the presence of the writer and the tiro sunk in at the bottom Then the same kind of a wheel was treated in the same way as regards pressure at the tire was made of paper The same weight did not cause the tire to sink in so much as in the case of the rubber one Thus the paper tire can be run over cobblestones cob-blestones Bandy roads mud etc and be less affected The continual squeezing tobotUfi and inflating 6C tiio robber has p tendency to wear the rubber and cause a fracture The paper tire 3eing less liable to flatten or sink in is not subject sub-ject to f this wear Boston Commercial Bulletin |