Band Type Transparent Envelope for Files
a file and envelope technology, applied in the field of binding envelopes with bands, can solve the problems of difficult and complicated to insert papers into the space between the envelope and the partition sheet, difficult to see the musical notation, and difficult to insert papers, etc., to achieve the effect of reducing the tension of the envelope, facilitating insertion, and efficiently storag
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first embodiment
[0025]FIG. 2 shows a binder envelope having horizontal bands, according to the present invention. As shown in FIG. 2, the bands having a predetermined width are horizontally attached to a front surface (or back surface) of the envelope. In this case, an upper horizontal band 10 is attached to an upper portion of the envelope. A lower horizontal band 10′ is attached to a lower portion of the envelope, and is spaced apart from the upper horizontal band 10 by a predetermined interval. When the upper horizontal band 10 is attached to the front surface (or back surface) of the envelope, left and right attachment lines 11 and 12, which are vertical lines, are formed on left and right side edges of the upper horizontal band 10 through a thermal adhesion method (this invention embraces all adhesion means, such as chemical adhesive). Thus, it is possible to insert paper into a space between the upper horizontal band 10 and the front surface (or back surface) of the envelope 1. Meanwhile, the...
third embodiment
[0031]FIG. 5 shows a binder envelope having corner bands, according to the present invention. The corner bands 40 are provided on four corners of the envelope such that the corner bands 40 arranged in diagonal directions of the envelope face each other.
[0032]The corner bands 40 are provided on both ends of left and right sides of the envelope to have a predetermined width and length. Each corner band 40 is thermally adhered at both ends thereof to provide attachment lines 41 and 42.
[0033]FIG. 6 shows a binder envelope having triangular corner bands, according to a modification of FIG. 5. Referring to FIG. 6, triangular bands 40′ each having the shape of a right triangle are attached to four corners of the envelope. Each triangular band 40′ is arranged such that a vertex of the triangular band having an interior angle of 90° is aligned with a vertex of an associated corner of the envelope. Further, attachment lines 41′ and 42′ are formed along the base and side of each triangular ban...
fourth embodiment
[0034]FIG. 7 shows a binder envelope having horizontal edge bands, according to the present invention, in which the horizontal edge bands 50 and 50′ are provided on edges of the envelope 1. In a detailed description, the upper horizontal edge band 50 is provided along an upper edge of the envelope 1, and the lower horizontal edge band 50′ is provided along a lower edge of the envelope 1. As shown in FIG. 7, left and right attachment lines 60 and 61 are formed on the upper horizontal edge band 50 through a thermal adhesion method. Similarly to the attachment lines of the upper horizontal edge band, left and right attachment lines 60′ and 61′ are formed on the lower horizontal edge band 50′ through a thermal adhesion method. In the case of the lower horizontal edge band 50′, as shown in FIG. 7, a lower attachment line 62′ may be provided along a lower edge of the lower horizontal edge band 50′ through a thermal adhesion method. Further, in order to provide lower horizontal edge bands ...
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