Luggage

Claim 1

A BLANK FOR LUGGAGE COMPRISING END AND INTERMEDIATE SPACED STAY MEMBERS AND COVERING SHEETS FOR SAID MEMBERS EXTENDING OVER THE ENTIRE SURFACES THEREOF, ONE OF SAID COVERING SHEETS EXTENDING OVER A FIRST SURFACE THEREOF AND HAVING AN AREA OF GREATER LENGTH AND WIDTH THAN SAID SPACED STAY MEMBERS TO PROVIDE A MARGINAL PORTION EXTENDING BEYOND THE EXTERNAL PERIPHERAL FREE EDGES OF SAID STAY MEMBERS, SAID MARGINAL PORTION BEING TURNED OVER THE ADJACENT FREE EDGES OF SAID STAY MEMBERS AND FOLDED OVER A MARGINAL PORTION OF THE INNER FACE THEREOF, THE OTHER OF SAID COVERING SHEETS EXTENDING OVER A SECOND SURFACE OF SAID STAY MEMBERS AND BEING CONNECTED TO SAID FOLDED OVER MARGINAL PORTION BY A LAP JOINT, SAID SHEETS ALSO CONTACTING EACH OTHER IN THE SPACE BETWEEN SAID STAY MEMBERS, SAID SHEETS BEING PERMANENTLY UNITED TO EACH OTHER AT THEIR POINTS OF CONTACT, SAID STAY MEMBERS BEING FREE OF ATTACHMENT TO SAID SHEETS, SAID STAY MEMBERS AND THEIR COVERING SHEETS FORMING WALL MEMBERS FOR LUGGAGE, THE CONTACTING PORTIONS OF SAID SHEETS BETWEEN SAID STAY MEMBERS FORMING A HINGE JOINT FOR SAID WALL MEMBERS, WHEREBY SAID WALL MEMBERS MAY BE FOLDED OVER TO FORM TOP AND BOTTOM MEMBERS FOR LUGGAGE, SAID INTERMEDIATE STAY MEMBER AND COVERING SHEETS FORMING A CONNECTING BACK WALL MEMBER THEREFOR, AND A SIDE WALL MEMBER SECURED TO ONE END EDGE OF SAID BACK MEMBER AND HAVING SIDE EDGES FOR CONNECTION WITH SAID TOP AND BOTTOM MEMBERS, RESPECTIVELY, AND A FREE END EDGE FOR CONNECTION WITH THE OTHER END EDGE OF SAID BACK MEMBER, SAID SIDE MEMBER HAVING A SEPARABLE FASTENER THEREON INTERMEDIATE ITS SAID SIDE EDGES AND EXTENDING SUBSTANTIALLY THE FULL LENGTH THEREOF.