| http://www.w3.org/ns/prov#value | - FIG. 2 is an enlarged foreshortened side elevational view of the machine; FIG. 3 is an exploded perspective view of a housing 3,562,073 Patented Feb. 9, 1971 and elbow fitting that are to be spin welded together, showing their arrangement relative to a pressure maintaining means and housing holding fixture that form part of the spin welding machine; FIG. 4 is an enlarged sectional detail view as s
|
