Using envelopes stationery, and encapsulating tube stationery

摘要

PROBLEM TO BE SOLVED: To provide an envelope stationery to insert a letter paper into an envelope, while easily tri-folding the letter paper in a short time, and the usage of the envelope stationery.;SOLUTION: The envelope stationery to tri-fold a letter paper and insert it into an envelope includes: a cylinder having the inner periphery of nearly 2/3 of the length of one side of the letter paper of size insertable into an envelope and formed with the flexible member; a letter paper insertion port that opens to one side of the cylinder; a letter paper discharge port opens to the other side of the cylinder; a first side that allows folding of the cylinder to present rectangle when the cylinder is crushed; and a second side facing to the first side and allows folding of the cylinder. In the letter paper discharge opening, a pair of notch parts are formed facing to permit insertion of a finger at the middle position of the first side and the second side.;COPYRIGHT: (C)2013,JPO&INPIT