DE1998680U - DEVICE FOR DETECTING CRUSHES, KNOTS OR SIMILAR DEFECT AREAS IN CONTINUOUS MATERIALS, IN PARTICULAR PAPER. - Google Patents

Description

: / U01126 «7/11/68

Pa · Dr, -la «. Sudolf Hell Siel, July 8th, 1968

23) Xiel-Dietrichsdorf ¥ f / Hbs.

Grensstrasse 1-5

Gba registration H ?. 68/291

Password '• photocell for paper checker "

Gate direction on detection of pinch folds " Node ode? Similar ^ defects is. continuous material, in particular Sftpierbalm & n

The ItoMZimg relates to a device for sensing voa fold en, Enotea or ähäli & fcss lelilstelleai in lurah -j especially paper * balmen "

There are SehlerprüfvorricatTangen for Papler "bstimen known " with nen on the dtirc ^v . A Laufwalae uaterstiltsten Materiaibaka a number of movably mounted Sastwalsea, "uer zvar labn completely azteisandergereint, on lie, ^ t ₉ the as msoiuanische InShImY di @ -

? O3? fi @ m orphans is a Llohtqtielle aaageorders welci »» the © 7iUmmg @ line of every iastwalse illuminated, and behind the orphans "bofindes. aioh across the track distributed photocells, which with & QT Iiichtquell © stisaiM.sn also form light barriers" now passes ^ Unevenness of the paper web one of these (Uastwalsen, this is lifted, and through the gap between the width of the gap, light falls on the piiotocell lying behind it, the current of which shows

The device made in this way always has the part * that in the event of a lack of flexibility, the eioii remain at a constant level

Extends over the entire length of a drum, no gap disfigure and thus especially with an eo significant material flaw Flawlessness are feigned vrlirdo. A soloher pail eats iasöfera not even very unlikely, as every xaetwaize is usually only a few inches long.

In contrast, the suggestion for firing is “each of the light branches so to arrange »that the light beam, or a

for the same, the Hantßlfläohe of the feeler roller on one above ι of "whose central axis is touched by" and that the here- I when light is generated - Sohatten size: ize the light-sensitive Kläohe j

the photocell hits »if there is a faultless piece of the paper web located under the feeler roller.

In the device designed according to the innovation, there is a defect the known device avoided.

In the drawing is an exemplary embodiment of the subject matter of Hiring illustrated "

On the paper base ϊ supported by a Lsufwalisö 2 lies the feeler roller "3" which is only prevented from being carried along by the free legs of a flip-flop 4, but is freely movable in a vertical direction *

The carrier 4 carries the lamp 5 and the photoselle 6 located opposite it. As the dashed line drawn between the lamp 5 and photoselle β indicates, the light falling on the photocell 6 touches the feeler roller 3. Where this dashed line hits the photocell 6 , lies the light-shadow boundary. If the sast roller 3 is raised by an unevenness in the paper web 1,

• ο displaced niob, this · Grease near ofccrn, where that the rod dee on the light falling on the · Photojeelle · becomes less. This Xn dermifi let roll independently αιίτοη, which acceptance the term apart from paper web has.

1 sheet of drawings

199868

Claims (1)

"rA-ΊΟΙ 126 * 11-7. Fa. £ r.-ii? £. Budolf Hell Kiel, July 8th, 1968 \! 23) Kiel-Bietriehsdorf Wf / Hbs. Srenzstrasse 1 -5 Gbs registration Έτ » 68/29" 5 Ss * Password "photocell for paper checker" Seimtz claim. Yorrichttmg zur Brfasstaag of pinch folds, knots or similar imperfections in continuous material, especially paper, in which a movably mounted sastwalss rests on the material web supported by a roller, and in which a light barrier formed from a light source and a P & otoselle is used characterized by such an arrangement of the light barrier that the light beam bundle, or a part of it, touches the outer surface of the pedal at a position above its collar, and that the resulting light-shadow border touches the light-sensitive surface the photoselle hits when there is a flawless piece of paper with the feeler roller.