MANICHETTA FLESSIBILE CON ORGANI A STRISCIA MORBIDI E DURI DISPOSTI ALTERNATAMENTE IN FORMA SPIRALATA

摘要

A flexible hose composed of a membrane which comprises soft and hard strip members alternatively disposed in a spiral form. A connector element is disposed to extend through the center of the thickness of the soft strip member and bilaterally of the hose in its axial direction. Both the projected portions of the connector element and the hard strip members adjacent the soft strip member are interconnected.