Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
Publication of GB177690ApublicationCriticalpatent/GB177690A/en
177,690. Blaisdell, F. E. March 11, 1921. Addition to 151,298. Hose and flexible pipes. - Relates to the manufacture of flexible tubes by shaping, on a mandrel, layers of animal gut or intestines as described in the parent Specification. According to the present invention, the tube is of flat cross-section except when distended by internal fluid pressure. The lining a, of animal gut, is compressed onto a rigid or collapsable mandrel, and the textile covering b is then drawn on, or formed in position. A textile lining to the tube may be provided in addition..