Methods of making reinforced plastic vessels with integrally formed heads

Claim 1

IN A METHOD OF FABRICATING A REINFORCED PLASTIC VESSEL WITH AN INTEGRAL HEAD, THE STEPS OF DISPOSING A MANDREL AND A DISC ON A SHAFT WITH AN END OF THE MANDREL BEING SPACED FROM THE ADJACENT END OF THE DISC TO PROVIDE A SLOT THEREBETWEEN, DISPOSING A REINFORCING MEMBER IN THE SLOT IN SPACED RELATION TO BOTH THE ENE OF THE MANDREL AND THE END OF THE DISC, SAID REINFORCING MEMBER EXTENDING RADIALLY OUTWARD BEYOND THE OUTER PERIPHERY OF SAID MANDREL, WINDING A RESIN IMPREGENATED FIBROUS STRAND IN THE SLOT BETWEEN THE REINFORCING MEMBER AND THE END OF THE MANDREL TO FORM A PORTION OF THE HEAD OF THE VESSEL AND CONTINUING THE WINDING UNTIL THE FIBROUS STRAND IS SUBSTANTIALLY FLUSH WITH THE OUTER PERIPHERY OF THE MANDREL, WINDING THE STRAND OVER THE OUTER PERIPHERY OF THE MANDREL TO FORM A FIRST PORTION OF THE WALL OF THE VESSEL EXTENDING THE REINFORCING MEMBER OVER SAID PORTION OF THE WALL OF THE VESSEL, WINDING A SIMILAR RESIN IMPREGNATED FIBROUS STRAND WITHIN THE SLOT BETWEEN THE REINFORCING MEMBER AND THE END OF THE DISC TO FORM A SECOND PORTION OF SAID HEAD AND THEREBY IMBED THE REINFORCING MEMBER WITHIN SAID HEAD, CONTINUING THE WINDING OF SAID LAST NAMED STRAND OVER THE SAID FIRST PORTION OF THE VESSEL WALL TO FORM AN ADDITIONAL PORTION OF SAID WALL AND THEREBY IMBED THE REINFORCING MEMBER WITHIN SAID WALL, AND THEREAFTER CURING THE RESIN.