JPS6284469U

JPS6284469U -

Info

Publication number: JPS6284469U
Application number: JP17780485U
Authority: JP
Priority date: 1985-11-18
Filing date: 1985-11-18
Publication date: 1987-05-29
Also published as: JPH0317896Y2

Description

[Brief explanation of the drawing]

第１図は、本考案一実施例の正面図、第２図は
、第１図Ａ方向から見た場合における変形状態を
説明するための斜視図、第３図は、布片の形状を
示す正面図、第４図は、第１図―断面図、第
５図Ａ，Ｂは、経糸及び緯糸の荷重―伸び特性曲
線図、第６図は、形態伸びを説明するための荷重
―伸び特性曲線図、第７図は、バレーボールの表
面形状を示す正面図、第８図は、第７図―断
面図、第９図は、他の実施例正面図、第１０図は
、従来例を示す正面図、第１１図は、第１０図Ａ
方向から見た場合における変形状態を説明するた
めの斜視図である。１……布層、２，２……布片、３……中心縫合
線、４……等辺４辺形片、５……チユーブ、６…
…縫代、８……糸、１０……線条模様、１１……
ゴム薄層、１２，１２……皮革片。 Fig. 1 is a front view of an embodiment of the present invention, Fig. 2 is a perspective view for explaining the deformed state when viewed from direction A in Fig. 1, and Fig. 3 shows the shape of the cloth piece. Front view, Figure 4 is Figure 1 - sectional view, Figures 5A and B are warp and weft load-elongation characteristic curves, and Figure 6 is load-elongation characteristic to explain form elongation. A curve diagram, FIG. 7 is a front view showing the surface shape of the volleyball, FIG. 8 is a sectional view of FIG. 7, FIG. 9 is a front view of another embodiment, and FIG. 10 is a conventional example. Front view, Figure 11 is Figure 10A
FIG. 3 is a perspective view for explaining a deformed state when viewed from the direction. 1... Cloth layer, 2, 2... Cloth piece, 3... Center suture line, 4... Equilateral quadrilateral piece, 5... Tube, 6...
... Seam allowance, 8... Thread, 10... Line pattern, 11...
Rubber thin layer, 12, 12...Leather piece.

補正昭６１．４．１８図面の簡単な説明を次のように補正する。明細書第１４頁第１行目「従来例」とあるのを
、「先行技術を参考にした一例」と補正する。Amendment April 18, 1981 The brief description of the drawing is amended as follows. In the first line of page 14 of the specification, the phrase "prior art" is amended to read "an example based on prior art."

Claims

[Claims for Utility Model Registration] (1) A hollow spherical rubber tube filled with compressed air, a reinforcing cloth layer covering the surface of the tube, and adhesion to the cloth layer either directly or through a thin rubber layer. In a ball game ball having a leather layer made of
The above cloth layer is made by sewing two approximately rectangular cloth pieces in pairs symmetrically to form equilateral quadrilateral pieces, and then forming six pairs of equilateral quadrilateral pieces, each of which has its center suture line adjacent to the other. The quadrilateral pieces are sewn side by side so as to be perpendicular to each other to form a spherical shape, and in each equilateral quadrilateral piece, the grain direction of the fabric piece is symmetrical with respect to the center seam line and is inclined with respect to the center seam line. A ball for ball games characterized by: (2) The ball game ball according to claim 1, wherein the grain direction of the cloth piece is within a range of about 20° to about 70° with respect to the center seam line. (3) Utility model registration claim 1 or 2, characterized in that the cloth layer is given an elongation approximately equal to the maximum form elongation of the cloth layer by the pressure of the rubber hollow sphere tube. Balls for ball games as described in section.