Molded manifold construction and method of forming

Claim 1

IN A MANIFOLD BLOCK FOR HIGH PRESSURE FLUID LINES AN ASSEMBLY OF INTERCONNECTED PASSAGES COMPRISING A SERIES OF INDIVIDUAL TUBING LENGTHS, CAPTIVE ENDS OF SOME OF SAID LENGTHS HAVING FLUID TIGHT CONNECTIONS TO OTHERS OF SAID LENGTHS, FREE ENDS OF SAID LENGTHS BEING AT VARIOUS LOCATIONS WITH RESPECT TO SAID ASSEMBLY, SAID FREE ENDS FORMING OPEN END ELEMENTS EXTENDING OUTWARDLY RELATIVE TO SAID ASSEMBLY, A WRAPPING OF MULTIPLE PLIES OF FIBERGLASS FABRIC AROUND SAID TUBING LENGTHS, SAID FIBERGLASS FABRIC HAVING AN IMPREGNATION OF THERMOSETTING SYNTHETIC PLASTIC RESIN, AND A MASS IF INITIALLY SUBSTANTIALLY FLUID PLASTIC MIXTURE ENCASING SAID ASSEMBLY AND ENVELOPING THE IMPREGNATED WRAPPING AROUND SAID TUBING LENGTHS, SAID MASS COMPRISING A FINELY DEVIDED FILLER MATERIAL ADAPTED TO PASS A SCREEN OF 100 MESH AND TO BE RETAINED ON A 500 MESH SCREEN, SAID MIXTURE INCLUDING A BINDER OF THERMOSETTING SYNTHETIC PLASTIC RESIN MATERIAL SUBSTANTIALLY EQUAL IN VOLUME TO THE VOLUME OF THE VOIDS IN SAID FILLER MATERIAL THEREBY FILLING SAID VOIDS, SAID RESIN MATERIAL EMBODYING A HARDENER AND BEING MOLDED IN PLACE AROUND SAID ASSEMBLY WHEREBY TO FORM THE MANIFOLD BLOCK.