JPS6426768U

JPS6426768U -

Info

Publication number: JPS6426768U
Application number: JP12084887U
Authority: JP
Priority date: 1987-08-06
Filing date: 1987-08-06
Publication date: 1989-02-15

Description

[Brief explanation of the drawing]

図面は何れも本考案ワンタツチ折畳みシートの
１実施例を示すものであつて、第１図は展開状態
を示し、第５図は折り畳み状態を示し、第２図〜
第４図は、展開状態から折り畳み状態に至る過程
を順に示している。第１図〜第５図において、ａ
は平面図、ｂは正面透視図であり、第５図ｃは側
面図である。図面中、１はシート、２は二つ折台紙、２ａは
重合側面、Ｐは第１焦点、Ｑ１，Ｑ２，Ｑ３，Ｑ
４は第２焦点、Ｌ１，Ｌ２は直交直線、Ｍは中央
山折線、Ｇ１，Ｇ２，Ｇ３，Ｇ４は平行谷折線、
Ｈ１，Ｈ２，Ｈ３，Ｈ４は垂直谷折線、Ｋは折目
線である。 The drawings all show one embodiment of the one-touch folding sheet of the present invention, with FIG. 1 showing the unfolded state, FIG. 5 showing the folded state, and FIGS.
FIG. 4 sequentially shows the process from the unfolded state to the folded state. In Figures 1 to 5, a
5 is a plan view, b is a front perspective view, and FIG. 5c is a side view. In the drawing, 1 is a sheet, 2 is a bifold mount, 2a is an overlapping side, P is a first focal point, Q1, Q2, Q3, Q
4 is the second focal point, L1 and L2 are orthogonal straight lines, M is the central mountain fold line, G1, G2, G3, G4 are parallel valley fold lines,
H1, H2, H3, and H4 are vertical valley fold lines, and K is a fold line.

Claims

[Claims for Utility Model Registration] 1. Two orthogonal straight lines L1 and L2 intersecting at right angles at the first focal point P set at the center of the sheet 1
Points equidistant from the first focal point P on the
Focuses Q1, Q2 and Q3, Q4, and the portion between the second focal points Q1 and Q2 and the portion between the second focal points Q3 and Q4 on each orthogonal straight line L1 and L2, and the outer portion thereof are respectively defined as a valley fold and a mountain fold, and the above-mentioned A central mountain fold line M is provided that equally divides a set of opposite apex angles formed by two orthogonal straight lines L1 and L2, and each second focal point Q
1, Q2, Q3, Q4 towards the periphery of sheet 1,
Parallel valley fold lines G1, G2, G parallel to the central mountain fold line M
3. Vertical valley fold line H perpendicular to G4 and central mountain fold line M
1, H2, H3, H4, two sets of opposing vertical valley fold lines H1, H4 and vertical valley fold lines H3, H2, and respective second focal points Q1, Q2, Q3, on each orthogonal straight line L1, L2, By pasting the sheet 1 on the overlapping side surface 2a of the bi-fold mount 2 so that the central mountain fold line M overlaps the fold line K of the bi-fold mount 2 on the back side of the area surrounded by the Q4 space, the sheet 1 is folded in half. A one-touch folding sheet characterized in that the sheet 1 can be unfolded and folded freely by opening and closing the mount 2. 2 Two sets of opposing vertical valley fold lines H1 on sheet 1,
H4, vertical valley fold lines H3, H2, and respective second focal points Q1, Q2, Q3 on each orthogonal straight line L1, L2
, the one-touch folding sheet according to claim 1 of the utility model registration claim, characterized in that only the peripheral edge of the sheet 1 of the back surface of the surrounding area by the intervening portion of Q4 is adhered to the overlapping side surface 2a of the bifold mount 2. . 3. By making the distance between the two adhesive parts of the bi-fold mount 2 longer than the distance between the two adhesive parts of the sheet 1, the fold retention force is applied to the sheet 1 when unfolded. A one-touch folding sheet according to claim 2 of the utility model registration claim. 4 Paragraph 1, Paragraph 2, or Paragraph 3 of Claims for Utility Model Registration, in which the bifold mount 2 is a double-page spread of a book, etc.
One-touch folding sheet as described in section.