Sectionalized motor case construction

Claim 1

A CYLINDRICAL MODULE FOR A MODULAR MOTOR CASING OF OPTIONAL SIZE AND HAVING SEPARATELY FABRICATED HEAD MEMBERS FORMING END CAPS FOR THE MOTOR CASING, SAID CYLINDRICAL MODULE COMPRISING A CYLINDRICAL MANDREL MEMBER HAVING AN ANNULAR ROW OF CIRCUMFERENTIALLY SPACED THIMBLES AT OPPOSITE AXIAL ENDS THEREOF, SAID MODULE INCLUDING LAYERS OF HOOP WINDINGS AND LONGITUDINAL WINDINGS ON SAID MANDREL, EACH LAYER OF LONGITUDINAL WINDINGS COMPRISING A CONTINUOUSLY WOUND FILAMENT STARTING FROM A THIMBLE AT ONE END OF SAID MANDREL AND EXTENDING HELICALLY TO A THIMBLE AT THE OPPOSITE END OF SAID MANDREL, WHEREUPON THE FILAMENT IS REDIRECTED BACK AND FORTH BETWEEN OPPOSITE ENDS BETWEEN RESPECTIVE PAIRS OF THIMBLES, AND COUPLING MEANS AT THE RESPECTIVE ENDS OF SAID MODULE TO FASTEN SAID MODULE TO ONE OF SAID HEAD MEMBERS OR TO ANOTHER MODULE, ONE OF SAID COUPLING MEANS COMPRISING AN AXIAL TONGUE FORMED BY A ROW OF SAID THIMBLES TOGETHER WITH THE WINDINGS ASSOCIATED THEREWITH AND COMPRISING A MALE PART INSERTABLE INTO A CORRESPONDING FEMALE PART OF AN ADJOINING MOTOR CASING COMPONENT, THE OTHER OF SAID COUPLING MEANS COMPRISING A DOUBLE ROW OF CIRCUMFERENTIALLY SPACED THIMBLES SPACED APART FROM ONE ANOTHER RADIALLY TO FORM TOGETHER WITH THE WINDINGS ASSOCIATED THEREWITH A RECESS FOR RECEIVING A CORRESPONDING MALE PART ON AN ADJOINING MOTOR CASING COMPONENT.