Method of making containers of glass fiber mat provided with end closures

Claim 1

A METHOD OF MAKING PLASTIC IMPREGNATED GLASS FIBER CONTAINERS WHICH COMPRISES THE STEPS OF BENDING A GLASS FIBER MAT AROUND A MOVABLE CYLINDRICAL MOULD AND BRINGING THE LONGITUDINAL EDGES OF THE MAT INTO EDGE-ABUTTING RELATIONSHIP, SPRAYING AT LEAST THE CENTRAL PORTION OF THE RESULTING GLASS FIBER CYLINDRICAL MAT WHILE SAID MAT IS SUPPORTED BY THE MOULD WITH A PLASTIC, ALLOWING THE PLASTIC TO HARDEN IN THE MAT, REMOVING THE MOULD FROM THE RESULTING PLASTIC-IMPREGNATED GLASS FIBER CYLINDER, PLACING IN SAID CYLINDER AN END CLOSURE MEMBER FROMED FROM A PLALSTIC IMPREGNATED GLASS FIBER MAT, SAID END CLOSURE MEMBER HAVING A PERIPHERAL FLANGE ENGAGEABLE WITH THE INTERIOR SURFACE OF SAID CYLINDER, SAID FLANGE BEING DIRECTED AWAY FROM THE INTERIOR OF THE CYLINDER BENDING A PLASTIC-FREE GLASS FIBER ELEMENT TO INTERENGAGE SAID BOTTOM MEMBER WITH SAID CYLINDER, SPRAYING SAID ELEMENT WITH SAID PLASTIC, ALLOWING THE PLASTIC TO HARDEN, AND CLOSING THE OUTER END OF SAID CYLINDER IN LIKE MANNER WITH SECOND LIKE END CLOSUSRE MEMBER.