Tubular wall reinforced pressure vessel

Claim 1

A PRESSURE VESSEL COMPRISING A WALL STRUCTURE DEFINING A CLOSED CONTAINER, TUBING OF ARCUATE CROSS-SECTION GENERALLY HELICALLY COILED AND RECEIVED WITHIN SAID CONTAINER IN A MANNER WHEREBY THE OUTERMOST SURFACE OF THE TUBE COILS IS IN ABUTTING RELATIONSHIP WITHSAID WALL STRUCTURE OVER AT LEST A MAJOR PORTION OF THE SURFACE AREA OF THE INNER SIDE OF SAID WALL STRUCTURE, SAID OUTERMOST SURFACE OF THE TUBE COILS BEING FORMED SO AS TO DEFINE A GENERALLY HELICAL PATH OF CONTACT OF SUBSTANTIAL WIDTH WITH SAID INNER SIDE, SAID TUBE COILS BEING ARRANGED IN SUCCESSIVE ABUTTING RELATIONSHIP AND SAID TUBING THROUGHOUT A MAJOR PORTIN OF ITS LENGTH BEING INTEGRALLY BONDED ALONG SAID PATH OF CONTACT TO SAID INNER SIDE OF SAID WALL STRUCTURE AND SAID SUCCESSIVE ABUTTING TUBE COILS BEING BONDED TUBE COILS CONTRIBUTE TO THE ABILITY OF OF SAID BONDED TUBE COILS CONTRIBUTE TO THE ABILITY OF THE CONTAINER TO WITHSTAND INTERNAL PRESSURE, A HELICAL GROOVE FORMED IN SAID INNER SIDE OF SAID WALL STRUCTURE SO AS TO BE GENERALLY MIDWAY BETWEEN THE MIDPOINTS OF SUCCESIVE ABUTING TUBE COILS, AND A HEILCALLY COILED WIRE MEMBER RECEIVED WITHIN SAID GROOVE SO AS TO BE GENERALLY IN JUXTAPOSITION WITH ADJOINING TUBE COILS, SAID WIRE BEING BONDED OVER A MAJOR PORTION OF ITS LENGTH TO ADJACENT TUBE COILS AND SAID GROOVE IN ORDER TO STRENGTHEN GENERALLY THAT PORTION OF SAID WALL STRUCTURE DEFINING SAID GROOVE.