Transformer core and lamination therefor

Claim 1

A CORE TYPE TRANSFORMER WHICH COMPRISES A FIRST STACK OF LAMINATIONS INCLUDING A FIRST LEG PORTION, A SECOND LEG PORTION AND A BIGHT PORTION JOINING SAID FIRST AND SECOND LEG PORTIONS; SAID FIRST LEG PORTION OF SAID STACK BEING LONGER THAN SAID SECOND LEG PORTION BY AN AMOUNT CORRESPONDING SUBSTANTIALLY TO THE WIDTH OFSID BIGHT PORTION; SAID LAMINATIONS OF SAID FIRST STACK BEING JOINED SO THAT THE FREE ENDS OF SAID STACKED FIRST AND SECOND LEG PORTIONS DEFINE A PLANAR MATING FACE; A SECOND STACK OF LAMINATIONS INCLUDING FIRST LEG PORTION, A SECOND LEG PORTION AND A BIGHT PORTION JOINING SAID LEG PORTIONS AND CONSTRUCTED SO AS TO COMPLEMENT THE CONFIGURATION OF SAID FIRST STACK OF LAMINATIONS; SAID LAMINATIONS OF SAID SECOND STACK BEING JOINED SO THAT THE FREE ENDS OF SAID STACKED FIRST AND SECOND LEG PORTIONS DEFINE A PLANAR MATING FACE THAT COMPLEMENTS THE MATING FACE DEFINED BY THE FREE ENDS OF SAID STACKED LEG PORTIONS OF SAID FIRST STACK OF LAMINATIONS; SAID MATING FACES OF SAID FIRST AND SECOND LEG PORTIONS OF SAID RESPECTIVE STACKS BEING INTIMATELY ABUTTED SO THAT A SUBSTANTIALLY RECTANGULAR CORE CONFIGURATION IS DEFINED BY SAID ABUTTED STACKES; AND FIRST AND SECOND TRANSFORMER WINDINGS OVERLYING AND ENCOMPASSING RESPECTIVE ONES OF SAID ABUTTED MATING FACES AND ADJACENT SEGMENTS OF SAID STACKED LEG PORTIONS SO AS TO MINIMIZE LEAKAGE FLUX AND CONFINE LINES OF STRAY FLUX TO SAID CORE TYPE TRANSFORMER DURING THE OPERATION THEREOF.