摘要 |
<p>A method of self-pressurizing a piston-and-rod type hydraulic shock-dampening device by means of an internally generated gas including the steps of positioning in the shock-dampening device a dormant gasifiable substance (32), placing a predetermined quantity of hydraulic fluid in the device, sealing the device, and then activating the dormant substance to form said gas so as to pressurise the device to a pressure of at least two atmospheres at room temperature. Several embodiments of the invention are disclosed.</p> |