JPH0453762U

JPH0453762U -

Info

Publication number: JPH0453762U
Application number: JP9554190U
Authority: JP
Priority date: 1990-09-13
Filing date: 1990-09-13
Publication date: 1992-05-08

Description

[Brief explanation of drawings]

第１図は本考案に係る巻芯の斜視図、第２図は
巻芯の端部の拡大断面図、第３図は多角形の周縁
部を持つフランジ部を円筒部の一端に設けた補強
体の斜視図、第４図は同補強体の要部の断面図で
ある。第５図は第２の実施例に係る巻芯の要部の
断面図、第６図は第３の実施例に係る巻芯の要部
の断面図、第７図は前記巻芯に使用された爪付き
補強体の斜視図である。第８図は広幅のシート状
物を複数に裁断して本考案に係る巻芯に巻取る状
態を示す説明図、第９図は従来の巻芯の斜視図、
第１０図は第９図の巻芯に使用されている補強体
の斜視図、第１１図は第９図の従来の巻芯を第８
図のように１本の駆動軸上に挿着した巻芯の密接
部分の断面図である。第１２図及び第１３図は、
従来の巻芯にシート状物を巻取つた状態を示す要
部断面図、第１４図は第１３図の要部拡大図であ
る。１……巻取軸、２……巻芯、２ａ……巻芯本体
、２ｂ……端面、６……裁断シート、６ａ……端
縁部、６ｂ……段差、１０……巻芯本体、１１…
…端部、１２……表面シート、１２ａ……重合部
、２０……補強体、２１……凹部、２２……フラ
ンジ部、２２ａ……周縁部、２３……円筒部、２
４……周押圧部、２５……ポンチ部、２６……爪
。 Fig. 1 is a perspective view of the winding core according to the present invention, Fig. 2 is an enlarged cross-sectional view of the end of the winding core, and Fig. 3 is reinforcement in which a flange portion with a polygonal peripheral edge is provided at one end of the cylindrical portion. A perspective view of the body, and FIG. 4 is a sectional view of the main part of the reinforcing body. FIG. 5 is a sectional view of the main part of the winding core according to the second embodiment, FIG. 6 is a sectional view of the main part of the winding core according to the third embodiment, and FIG. 7 is a sectional view of the main part of the winding core according to the third embodiment. It is a perspective view of the reinforcing body with a claw. FIG. 8 is an explanatory diagram showing a state in which a wide sheet material is cut into a plurality of pieces and wound around a core according to the present invention, FIG. 9 is a perspective view of a conventional core;
Fig. 10 is a perspective view of the reinforcing body used in the winding core of Fig. 9, and Fig. 11 is a perspective view of the reinforcing body used in the winding core of Fig. 9.
FIG. 2 is a cross-sectional view of a close-contact portion of a winding core inserted onto one drive shaft as shown. Figures 12 and 13 are
FIG. 14 is an enlarged view of the main part of FIG. 13, which is a cross-sectional view of a main part showing a state in which a sheet material is wound around a conventional winding core. 1... Winding shaft, 2... Winding core, 2a... Winding core body, 2b... End face, 6... Cut sheet, 6a... End edge, 6b... Step, 10... Winding core body, 11...
...End part, 12...Top sheet, 12a...Overlapping part, 20...Reinforcement body, 21...Recessed part, 22...Flange part, 22a...Peripheral part, 23...Cylindrical part, 2
4... Circumferential pressing part, 25... Punch part, 26... Claw.

Claims

[Scope of utility model registration request]

A core for winding up a sheet material, with reinforcing bodies fixed to both ends thereof, the reinforcing body consisting of a flange part and a cylindrical part extending perpendicularly to the flange part to the center part, The peripheral edge of the flange part is formed into a polygonal shape, and the end part is buried with a gap between it and the peripheral surface of the core body, so that the surface of the flange part and the end face of the core body are substantially in contact with each other. A winding core formed on the same plane.