Method of and apparatus for producing marginally bonded spaced plate and like structures and the product thereof

Claim 1

THE METHOD OF PRODUCING MARGINALLY BONDED SPACEDPLATE ASSEMBLIES COMPRISING INTERLEAVING AT LEAST TWO CLEAN PLATES OF MALLEABLE METAL WITH AT LEAST ONE WELDRESISTANT SPACER HELD THEREBETWEEN, APPLYING CLEAN STRIPS OF MALLEABLE METAL AT OPPOSITE MARGINS OF SAID PLATES AND APPLYING OPPOSED BACKING MEMBERS TO OPPOSITE SIDES OF THE OUTERMOST PLANES OF THE PLATES TO FORM AN ASSEMBLY, MOVING THE ASSEMBLY THROUGH AND RELATIVE TO OPPOSED CONTACT SEQUEEZING ROLLS ENGAGING THE OPPOSITE MARGINS OF THE ASSEMBLY WHICH ARE GENERALLY PERPENDICULAR TO SAID OUTERMOST PLANES TO DEFORM SAID MARGINS, PASSING CURRENT THROUGH THE ROLLS, THE EDGES OF SAID PLATES AND SAID STRIPS TO HEAT THEM WHEN AND WHERE DEFORMED TO PRODUCE BONDS BETWEEN SAID PLATES AND STRIPS DURING SQUEEZING, AND REMOVING THE SPACES.

Claim 2

THE METHOD OF PRODUCING MARGINALLY BONDED SPACEDPLATE ASSEMBLIES COMPRISING INTERLEAVING AT LEAST TWO CLEAN PLATES OF MALLEABLE METAL WITH AT LEAST ONE WELDRESISTANT SPACER HELD THEREBETWEEN, APPLYING CLEAN STRIPS OF MALLEABLE METAL AT OPPOSITE MARGINS OF SAID PLATES AND APPLYING OPPOSED BACKING MEMBERS TO OPPOSITE SIDES OF THE OUTERMOST PLANES OF THE PLATES TO FORM AN ASSEMBLY, MOVING THE ASSEMBLY THROUGH AND RELATIVE TO OPPOSED CONTACT SEQUEEZING ROLLS ENGAGING THE OPPOSITE MARGINS OF THE ASSEMBLY WHICH ARE GENERALLY PERPENDICULAR TO SAID OUTERMOST PLANES TO DEFORM SAID MARGINS, PASSING CURRENT THROUGH THE ROLLS, THE EDGES OF SAID PLATES AND SAID STRIPS TO HEAT THEM WHEN AND WHERE DEFORMED TO PRODUCE BONDS BETWEEN SAID PLATES AND STRIPS DURING SQUEEZING, AND REMOVING THE SPACES.