DE99604C - - Google Patents
Info
- Publication number
- DE99604C DE99604C DENDAT99604D DE99604DA DE99604C DE 99604 C DE99604 C DE 99604C DE NDAT99604 D DENDAT99604 D DE NDAT99604D DE 99604D A DE99604D A DE 99604DA DE 99604 C DE99604 C DE 99604C
- Authority
- DE
- Germany
- Prior art keywords
- web
- paper
- nozzle
- air
- paper web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004744 fabric Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
Landscapes
- Advancing Webs (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Württemberg.Württemberg.
Die vorliegende Eröndung bezieht sich auf eine Abänderung der durch Patent Nr. 98677 geschützten Vorrichtung zum Transportiren der nassen Papier- oder Stoffbahn an Maschinen zum Auftragen der Farbe und dergl., bei welcher die Papierbahn zwischen zwei Luftströmen hindurchläuft, die sowohl von oben als auch von unten trocknend auf die aufgetragene Masse einwirken und von denen der untere Strom das Papier gleichzeitig in der Schwebe und somit aufser Berührung mit den Maschinentheilen hält.The present invention relates to an amendment to that provided by Patent No. 98677 Protected device for transporting the wet paper or fabric web on machines for applying the paint and the like. In which the paper web is between two air currents runs through, both from above and from below drying on the applied Mass act and one of which the lower stream makes the paper suspended at the same time and thus keeps on contact with the machine parts.
Versuche haben ergeben, dafs nicht nur der untere, sondern auch der obere Luftstrom letzterem Zweck nutzbar gemacht werden kann.Experiments have shown that not only the lower, but also the upper air stream is the latter Purpose can be harnessed.
Erreicht wird dies dadurch, dafs am oberen Mündungsrande der oberen Düsen η einstellbare Klappen i angeordnet sind, die durch eine Kette oder dergl. i1 hochgezogen und aufser Wirkung gesetzt werden können. Läfst man die Klappe aber annähernd in die in der Zeichnung dargestellte, der Papierbahn ungefähr parallele Lage hinab, so wird das Papier durch den oberen Luftstrom angesaugt, so dafs es frei schwebt und die Walzen nicht berührt, auch wenn von unten kein Luftstrom gegen die laufende Bahn geblasen wird. Diese Wirkung 6ndet ihre Erklärung darin, dafs die aus der oberen Düse strömende Luft zwischen der Klappe i und der Papierbahn einen starken Strom erzeugt, der aus dem zwischen dem Düsenkörper η und der Papierbahn liegenden Raum χ energisch Luft ansaugt und dadurch an dieser Stelle ein theilweises Vacuum erzeugt, wodurch — da der Luftdruck unter der Papierbahn gröfser ist als oben — die Bahn an dieser Stelle frei schwebend erhalten wird.This is achieved by the fact that adjustable flaps i are arranged on the upper edge of the mouth of the upper nozzle η , which can be pulled up by a chain or the like i 1 and set to act. However, if the flap is lowered approximately into the position shown in the drawing, which is approximately parallel to the paper web, the paper is sucked in by the upper air flow so that it floats freely and does not touch the rollers, even if there is no air flow from below against the running one Web is blown. This effect is explained by the fact that the air flowing out of the upper nozzle generates a strong current between the flap i and the paper web, which vigorously sucks in air from the space χ lying between the nozzle body η and the paper web, and thus partly at this point Vacuum is generated, whereby - since the air pressure under the paper web is greater than above - the web is kept floating freely at this point.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE99604C true DE99604C (en) |
Family
ID=370467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT99604D Active DE99604C (en) |
Country Status (1)
Country | Link |
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DE (1) | DE99604C (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE742496C (en) * | 1938-03-22 | 1944-04-19 | C F Ploucquet Fa | Method and device for shrinking fabrics and other textile materials |
DE970268C (en) * | 1951-05-22 | 1958-09-04 | Licentia Gmbh | Tunnel dryer for belt-shaped goods |
DE1099838B (en) * | 1952-10-08 | 1961-02-16 | Svenska Flaektfabriken Ab | Method and device for the floating conveyance of material, especially moist cellulose fiber webs |
DE975392C (en) * | 1949-10-29 | 1961-11-16 | Lufttechnische Ges M B H | Drying device for metal strips painted on both sides |
DE1148944B (en) * | 1961-07-21 | 1963-05-16 | Erich Pagendarm | Device for reducing the friction of material webs on apparatus parts in the nozzle dryer |
DE1211478B (en) * | 1959-04-23 | 1966-02-24 | Haas Friedrich Maschf | Dryer for pulp webs coming from the wet end |
DE1258588B (en) * | 1957-12-23 | 1968-01-11 | Applic Ind Plastiques Soc D | Method and device for feeding a heated film web to a processing machine |
DE2550721A1 (en) * | 1975-11-12 | 1977-06-08 | Roland Offsetmaschf | DEVICE FOR SMOOTH AND FLUTTER-FREE FEEDING OF PRINTED SHEETS TO SHEET PROCESSING MACHINES, IN PARTICULAR OFFSET PRINTING MACHINES |
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0
- DE DENDAT99604D patent/DE99604C/de active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE742496C (en) * | 1938-03-22 | 1944-04-19 | C F Ploucquet Fa | Method and device for shrinking fabrics and other textile materials |
DE975392C (en) * | 1949-10-29 | 1961-11-16 | Lufttechnische Ges M B H | Drying device for metal strips painted on both sides |
DE970268C (en) * | 1951-05-22 | 1958-09-04 | Licentia Gmbh | Tunnel dryer for belt-shaped goods |
DE1099838B (en) * | 1952-10-08 | 1961-02-16 | Svenska Flaektfabriken Ab | Method and device for the floating conveyance of material, especially moist cellulose fiber webs |
DE1258588B (en) * | 1957-12-23 | 1968-01-11 | Applic Ind Plastiques Soc D | Method and device for feeding a heated film web to a processing machine |
DE1211478B (en) * | 1959-04-23 | 1966-02-24 | Haas Friedrich Maschf | Dryer for pulp webs coming from the wet end |
DE1148944B (en) * | 1961-07-21 | 1963-05-16 | Erich Pagendarm | Device for reducing the friction of material webs on apparatus parts in the nozzle dryer |
DE2550721A1 (en) * | 1975-11-12 | 1977-06-08 | Roland Offsetmaschf | DEVICE FOR SMOOTH AND FLUTTER-FREE FEEDING OF PRINTED SHEETS TO SHEET PROCESSING MACHINES, IN PARTICULAR OFFSET PRINTING MACHINES |
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