JPS5888227U

JPS5888227U - Bellows for plate making camera

Info

Publication number: JPS5888227U
Application number: JP17896981U
Authority: JP
Inventors: 筒井　宗一
Original assignee: 丸栄化成有限会社
Priority date: 1981-11-30
Filing date: 1981-11-30
Publication date: 1983-06-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は製版カメラ用蛇腹の従来品−例を示す斜視図、
第２図はその半断面側面図である。第３図は屈曲線を印
刻した素材シートの一例を示す平面（裏面）図であり、
第４図はその両端溶着後の状態を示す斜視図である。第
５図は本考案に係る蛇腹の一例を示す一部破断斜視図、
第６図はその半断面側面図であり、第７図ａ、ｂ、ｃは
いずれも第６図の要部拡大図である。１・・・蛇腹体、１′・・・素材シート、２・・・襞、
２′・・・屈曲線、３・・・溶着部、４・・・補強用黒
色洋紙、５・・・要素、５ａ・・・貼着片、５ｂ・・・
拘束片、６・・・折り目。Fig. 1 is a perspective view showing an example of a conventional bellows for plate-making cameras;
FIG. 2 is a side view in half section. FIG. 3 is a plan (back) view showing an example of a material sheet with bending lines imprinted on it;
FIG. 4 is a perspective view showing the state after both ends are welded. FIG. 5 is a partially cutaway perspective view showing an example of the bellows according to the present invention;
FIG. 6 is a half-sectional side view thereof, and FIGS. 7a, b, and c are all enlarged views of the main parts of FIG. 6. 1... Bellows body, 1'... Material sheet, 2... Folds,
2'...Bending line, 3...Welding part, 4...Black Western paper for reinforcement, 5...Element, 5a...Passing piece, 5b...
Restraint piece, 6...fold.

Claims

[Scope of utility model registration request]

Black paper made by polymerizing light-shielding paper, core paper, and backing fabric and impregnated with latex is calender-topped with black soft vinyl resin to an appropriate thickness. For use in a plate-making camera, the bellows body is formed in the form of a bellows body, and a strip of black western paper is pasted on the back surface of the bellows body at an appropriate position to cover the folds in multiple stages to reinforce the folds. bellows.