Method of making railway track

Claim 1

THE METHOD OF CONSTRUCTING RAILWAY TRACKS, WHEREIN MUTUALLY ADJOINING ELEMENTS SUCH AS ABUTTING RAIL ENDS, RAILS AND FISH-PLATES, RAILS AND TIE-PLATES, RAILS AND ANTICREEP DEVICES, THE TIE-PLATES AND TIES ARE JUXTAPOSED WITH CERTAIN RESPECTIVE SURFACES NORMALLY CONTACTING, WHICH INCLUDES THE STEPS OF ASSEMBLING NORMALLY ABUTTING PARTS OF SAID ELEMENTS INTO OPERATIONAL POSITION, INTERPOSING BETWEEN THE OTHERWISE CONTACTING SURFACES OF SAID MUTUALLY ADJOINING ELEMENTS, A FILLING MATERIAL COMPOSED PREDOMINANTLY OF THERMOSETTING RESINS OF THE TYPE INCLUDING AN EPOXY GROUP, THE FILLING MATERIAL BEING APPLIED IN LIQUID FORM IN SUCH MANNER AS TO SUBSTANTIALLY FILL ALL THE INTERSTICES OF THE MUTUALLY ABUTTING SURFACES OF SAID ELEMENTS TO BE ADHESIVELY SECURED TO ONE ANOTHER, AND THEN CURING SAID MATERIAL TO HARDEN IT, THE FILLING MATERIAL HAVING THE PROPERTY OF BEING CAPABLE OF ACCELERATED CURING UNDER MODERATE HEAT, SAID METHOD INCLUDING THE STEP OF HEATING THE ELEMENTS TO BE JOINED, AFTER APPLYING THE FILLING MATERIAL TO THE SURFACES OF SAID ELEMENTS, TO A TEMPERATURE SUFFICIENT TO BRING ABOUT RAPID CURING OF THE FILLING MATERIAL, AND PRODUCING AN INTERFERENCE FIT BETWEEN TWO JOINED ELEMENTS, ONE MALE AND THE OTHER FEMALE, BY DIFFERENTIAL HEATING OF SAID ELEMENTS AND FORCIBLY PRESSING THEM TOGETHER, THE FEMALE ELEMENT BEING RAISED TO A HIGHER TEMPERATURE THAN THE MALE ELEMENT, SAID HIGHER TEMPERATURE HOWEVER NOT BEING HIGH ENOUGH TO CAUSE PREMATURE HARDENING OF THE FILLING MATERIAL, AND BOTH ELEMENTS BEING SUBSEQUENTLY RAISED, WHILE MAINTAINING THE PRESSURE, TO THE "ACCELERATED HARDENING" TEMPERATURE, THE CONSEQUENT DIFFERENTIAL EXPANSION OF THE ELEMENTS BRINGING ABOUT THE INTERFERENCE FIT.

Claim 2

THE METHOD OF CONSTRUCTING RAILWAY TRACKS, WHEREIN MUTUALLY ADJOINING ELEMENTS SUCH AS ABUTTING RAIL ENDS, RAILS AND FISH-PLATES, RAILS AND TIE-PLATES, RAILS AND ANTICREEP DEVICES, THE TIE-PLATES AND TIES ARE JUXTAPOSED WITH CERTAIN RESPECTIVE SURFACES NORMALLY CONTACTING, WHICH INCLUDES THE STEPS OF ASSEMBLING NORMALLY ABUTTING PARTS OF SAID ELEMENTS INTO OPERATIONAL POSITION, INTERPOSING BETWEEN THE OTHERWISE CONTACTING SURFACES OF SAID MUTUALLY ADJOINING ELEMENTS, A FILLING MATERIAL COMPOSED PREDOMINANTLY OF THERMOSETTING RESINS OF THE TYPE INCLUDING AN EPOXY GROUP, THE FILLING MATERIAL BEING APPLIED IN LIQUID FORM IN SUCH MANNER AS TO SUBSTANTIALLY FILL ALL THE INTERSTICES OF THE MUTUALLY ABUTTING SURFACES OF SAID ELEMENTS TO BE ADHESIVELY SECURED TO ONE ANOTHER, AND THEN CURING SAID MATERIAL TO HARDEN IT, THE FILLING MATERIAL HAVING THE PROPERTY OF BEING CAPABLE OF ACCELERATED CURING UNDER MODERATE HEAT, SAID METHOD INCLUDING THE STEP OF HEATING THE ELEMENTS TO BE JOINED, AFTER APPLYING THE FILLING MATERIAL TO THE SURFACES OF SAID ELEMENTS, TO A TEMPERATURE SUFFICIENT TO BRING ABOUT RAPID CURING OF THE FILLING MATERIAL, AND PRODUCING AN INTERFERENCE FIT BETWEEN TWO JOINED ELEMENTS, ONE MALE AND THE OTHER FEMALE, BY DIFFERENTIAL HEATING OF SAID ELEMENTS AND FORCIBLY PRESSING THEM TOGETHER, THE FEMALE ELEMENT BEING RAISED TO A HIGHER TEMPERATURE THAN THE MALE ELEMENT, SAID HIGHER TEMPERATURE HOWEVER NOT BEING HIGH ENOUGH TO CAUSE PREMATURE HARDENING OF THE FILLING MATERIAL, AND BOTH ELEMENTS BEING SUBSEQUENTLY RAISED, WHILE MAINTAINING THE PRESSURE, TO THE "ACCELERATED HARDENING" TEMPERATURE, THE CONSEQUENT DIFFERENTIAL EXPANSION OF THE ELEMENTS BRINGING ABOUT THE INTERFERENCE FIT.