JPH047565U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 5 show an embodiment of the cloth core according to this invention. Figure 1 is a developed view of the rectangular tube forming member, Figure 2 is a developed view of the clip forming member, and Figure 3 is a developed view of the cloth core. 4 is a cross-sectional view of the rectangular tube body, FIG. 5 is a perspective view of the cloth core, FIG. 6 is a developed view showing another embodiment of the rectangular tube forming member, and FIG. 7 is an exploded perspective view of the core. 8 is an exploded perspective view showing a conventional example of the cloth core, and FIG. 9 is a cross-sectional view of the same cloth core. 1... Square tube body, 1'... Square tube forming member, 2...
Clip, 2'...Clip forming member, 10...
Cloth core, 11...Side plate, 12...Plane plate, 13
... 1/2 side plate, 14 ... Roll-up flap, 1
5... Square hole, 16... Adhesive, 21... Toe board,
23, 24...Insertion flap, a, b, c,
d...Fold line, D...distance between a pair of insertion flaps.

Claims (1)

[Scope of claim for utility model registration] 1. On a rectangular material board made of cardboard or paperboard,
The central portion of the constant width α in the width direction is defined as a side plate 11, and the portions of each constant width β on both sides of the side plate 11 are defined as plane plates 12, 12, respectively.Both plane plates 1
Constant width α′ (α′≒1/2α) on each outside of 2 and 12
The parts are respectively 1/2 side plates 13, 13, both 1/2
The flap 1 is formed by wrapping around a portion of the outside of each of the side plates 13, 13 having a constant width β' that is slightly smaller than the above β.
4, 14, each pair of folded lines a, a,
Rectangular cylinder forming member 1' with b, b, c, c applied
Then, a pair of fold lines d and d are made at a suitable position midway in the length direction of the material board, which is also made of corrugated cardboard or paperboard and has a width w that is slightly smaller than the above β, and the part between the pair of fold lines d and d is closed. A plate 21 is formed, and the outer parts thereof are respectively inserted into flaps 23 and 24, and the distance D between the inserted flaps 23 and 24 is set to be approximately twice the thickness of the square tube forming member 1'. The rectangular tube forming member 1' is folded by about 90 degrees along the fold lines a, a, b, b, c, and c, respectively. A pair of retractable flaps 1
4 and 14 are brought into surface contact back to back to form a square tube body 1 having a pair of square holes 15, 15 separated by the pair of folding flaps 14, 14, and the pair of square holes 15, 15 Then, insert the insertion flaps 23 and 24 of the clip 2, which is formed by bending the clip forming member 2' at an angle of about 90 degrees along the fold lines d and d, from both ends of the rectangular tube body 1, and insert the insertion flaps 23 and 24 from both ends of the rectangular tube body 1. A cloth core characterized in that pinch plates 21, 21 are attached to the sides. 2. On a rectangular material board made of cardboard or paperboard,
The central portion of the constant width α in the width direction is defined as a side plate 11, and the portions of each constant width β on both sides of the side plate 11 are defined as plane plates 12, 12, respectively.Both plane plates 1
Constant width α′ (α′≒1/2α) on each outside of 2 and 12
The parts are respectively 1/2 side plates 13, 13, both 1/2
The flap 1 is formed by wrapping around a portion of the outside of each of the side plates 13, 13 having a constant width β' that is slightly smaller than the above β.
4, 14, each pair of folded lines a, a,
Rectangular cylinder forming member 1' with b, b, c, c applied
Then, a pair of fold lines d and d are made at a suitable position midway in the length direction of the material board, which is also made of corrugated cardboard or paperboard and has a width w that is slightly smaller than the above β, and the part between the pair of fold lines d and d is closed. It consists of a plate 21 and a pair of clip forming members 2' whose outer parts are inserted to form flaps 23 and 24, respectively, and the rectangular cylinder forming member 1' is connected to each of the fold lines a, Approximately 90 each along a, b, b, c, c
Fold it to ゜ and attach the pair of folding flaps 14.
.
4 is formed, and the clip forming member 2' is inserted into the pair of square holes 15, 15 from both ends thereof by fold lines d, Insert flap 2 of clip 2, which is bent about 90 degrees along d.
3 and 24 are inserted, and claw plates 21 and 21 are attached to both ends of the square tube body 1. 3. The developed planar shape of the clip forming member 2' is approximately a parallelogram, and each pair of insertion flaps 23, 24 in the pair of clips 2 are shaped like a parallelogram.
There is a difference in length between them, and the pair of clips 2 connect the pair of tabs 21, 21 to the rectangular tube body 1.
When both ends of the clip are installed, one clip 2
The cloth core according to claim 1 or 2, wherein the leading edges of the insertion flaps 23, 24 of the clip 2 substantially collide with the leading edges of the insertion flaps 24, 23 of the other clip 2 in the square holes 15, 15. . 4 The cross-sectional shape of the pair of insertion flaps 23 and 24 in each of the clips 2 is
The cross-sectional shape of the pair of square holes 15, 15 is approximately matched, and the insertion flaps 23,
4. The fabric core according to claim 1, 2 or 3, wherein the square holes 15, 15 are tightly fitted.