NO139930B - METHOD AND DEVICE FOR VACUATION OF A CONTINUOUS PATH - Google Patents
METHOD AND DEVICE FOR VACUATION OF A CONTINUOUS PATH Download PDFInfo
- Publication number
- NO139930B NO139930B NO489/70A NO48970A NO139930B NO 139930 B NO139930 B NO 139930B NO 489/70 A NO489/70 A NO 489/70A NO 48970 A NO48970 A NO 48970A NO 139930 B NO139930 B NO 139930B
- Authority
- NO
- Norway
- Prior art keywords
- web
- box
- openings
- parallel
- blowing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 14
- 210000000744 eyelid Anatomy 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
- D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/002—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Cleaning In General (AREA)
- Electrotherapy Devices (AREA)
- Exchange Systems With Centralized Control (AREA)
Description
Denne oppfinnelse angår en fremgangsmåte ved støvsuging av en løpende bane, f. eks. for berøring og strekk ømfintlig papirhane, som føres over luftblåse-åpninger og hvor avsuging av støvladet luft skjer gjennom tverrgående spalter foran henholdsvis bak blåseåpningene, samt en anordning for fremgangsmåtens ut-førelse. This invention relates to a method for vacuuming a running web, e.g. for touching and stretching a delicate paper tap, which is passed over air blowing openings and where dust-laden air is extracted through transverse slits in front or behind the blowing openings, as well as a device for carrying out the method.
Ued industriell behandling av baneformede materialer, såsom ved maskiner for arkskjæring og omspoling av papirbaner, har man problemer med støvdannelse på materialets overflate. Dette nedsetter produktets kvalitet og gir i visse tilfelle opphav With industrial processing of web-shaped materials, such as with machines for sheet cutting and rewinding of paper webs, there are problems with the formation of dust on the surface of the material. This reduces the product's quality and in certain cases gives rise to
■v ■v
til forstyrrelser under den fortsatte materialbehandling ved til-stoppingerv i de anvendte maskiner. Det har derfor vist seg nød-vendig å fjerne støvet ved hjelp av særskilte anordninger. Forsøk er blitt gjort med'anordninger for bortsuging av støv fra den kontinuerlig løpende materialbane, men de hittil kjente anordninger har vist seg vanskelig,-'f or 'ikke å si .umulig å anvende ved for berøring ømfintlige, såsom bestrøkne materialbaner, da disse lett suges inn til avsugingsmunnstykkene og andre fremstikkende deler på en ukontrollerbar måte. to disturbances during the continued material processing due to blockages in the machines used. It has therefore proved necessary to remove the dust using special devices. Attempts have been made with devices for extracting dust from the continuously running material web, but the previously known devices have proved difficult, if not impossible, to use on touch-sensitive, such as coated material webs, as these easily sucked into the extraction nozzles and other protruding parts in an uncontrollable way.
En innretning for bortsuging av støv fra overflaten a.; A device for extracting dust from the surface a.;
en tynn, kontinuerlig bevegelig bane, såsom en for berøring ømfintlig papirhane, er vist og beskrevet i DT-AS 20 06 716. Denne a thin, continuously moving web, such as a touch sensitive paper tap, is shown and described in DT-AS 20 06 716. This
innretning omfatter en eller flere dyser av "øyelokk"-typen som forløper på tvers av banens bevegelsesretning og tjener til å device comprises one or more nozzles of the "eyelid" type which extend across the direction of movement of the web and serve to
blåse luft mot banens overflate, samt minst én spalteaktig åpning som er orientert på tvers av bevegelsesretningen og i dysens nær-meste naboskap og tjener til å suge bort luften som inneholder støvpartikler. Ued denne innretning er dysene for påblåsing av luft anordnet i tre innbyrdes parallelle rekker på en sådan måte at de to ytre rekker frembringer luftstråler som er rettet fra hverandre og i det vesentlige parallelt til banens bevegelses- blow air towards the surface of the web, as well as at least one slot-like opening which is oriented across the direction of movement and in the immediate vicinity of the nozzle and serves to suck away the air containing dust particles. With this device, the nozzles for inflating air are arranged in three mutually parallel rows in such a way that the two outer rows produce air jets which are directed from each other and essentially parallel to the path's movement
retning, mens den midtre rekke frembringer luftstråler som i sterkere grqd er rettet mot materialbanen og tjener til rensing; direction, while the middle row produces air jets which are more strongly directed towards the material web and serve for cleaning;
i materialbanens bevegelsesretning er der så, foran og bak dysé-rekkene, anordnet en spalteaktig utsugingsåpning. Dyserekkene er anordnet i en blåsekasse, hvis vegger som bærer dysene, er avfaset i området ved de spalteaktige utsugingsåpninger,j hvor avfasingen fortrinnsvis skråner ca. 15° i forhold til materialbanens plan. in the direction of movement of the material path, there is then, in front of and behind the nozzle rows, a slit-like extraction opening. The rows of nozzles are arranged in a blowing box, the walls of which carry the nozzles are chamfered in the area of the slit-like extraction openings, where the chamfer preferably slopes approx. 15° in relation to the plane of the material path.
Oppfinnelsen far sikte på en ny og forbedret fremgangsmåte ved støvbortsuging og samtidig fiksering av materialbanen i en avstand som er optimal for oppnåelse av den beste støvsu-gingseffekt og minst fare for berøring, og det særegne ved d& r. ne fremgangsmåte er at der anvBndes en fra banetørker i det vesentlige kjent anordning for luftbåret, berøringsfri banefremføring p.arallelt med og i en bestemt avstand fra et fikseringsplan som utgjøres av en vegg i en blåsekasse som er forsynt med minst tre rekker blåseåpninger som er_ innrettet til oå lede luftstrømmer mellom banen og fikseringsplanet, dels i hovedsaken parallelt med banens bevegelsesretning og dels i andre retninger, idet avsugingsspaltene kommuniserer med kanaler som,forløper langs og begrenses av blåsekassens sidevegger. The invention aims at a new and improved method for vacuuming and at the same time fixing the material web at a distance that is optimal for achieving the best vacuuming effect and the least risk of contact, and the distinctive feature of this method is that it uses a from web drier essentially a known device for airborne, non-contact web advancement parallel to and at a certain distance from a fixing plane which is constituted by a wall in a blowing box which is provided with at least three rows of blowing openings which are arranged to guide air currents between the web and the fixing plane, partly parallel to the direction of movement of the web and partly in other directions, as the suction slits communicate with channels which run along and are limited by the side walls of the blower box.
Da den for effektivisering av støvbortsugingen påblåsi.2 luft bringes til å strømme mellom det baneformede materiale og en fikseringsflate før luften suges bort gjennom avsugingsspal-ten(e) oppnås sammen med en god støvbortsuging en effektiv fiksering av det baneformede materiale i en for støvbortsugingen avpasset avstand uten fare for berøring og ødeleggelse av den eventuelt belagte materialeverf1ate. Since, to improve the efficiency of the dust extraction, air is blown between the web-shaped material and a fixation surface before the air is sucked away through the extraction slit(s), together with a good dust extraction, an effective fixation of the web-shaped material in a suitable for the dust extraction is achieved distance without risk of touching and destroying the possibly coated material surface.
Anordningen for utførelse av fremgangsmåten ifølge oppfinnelsen omfatter en fra banetørker kjent blåsekasse for luftbåret, ber-øringsf r i fremføring av banen parallelt med og i en bestemt avstand fra en som fikseringsplan tjenende vegg av blåsekassen, hvilken vegg er forsynt med blåseåpninger, fortrinnsvis av "øyelokk"-typen, som er anordnet i:xminst tre parallelle rekker med åpningene i de to ytre rekker il\rirettet til å blåse luftstrømmer innbyrdes fra hverandre -og inn \iellom banen og kasseveggen, hovedsakelig parallelt med baneni^ bevegelsesretning, mens åpningene i de av/rige rekker er innrettet til å blåse ut luftstrømmer i andre retninger, hvilken blåsekasse er innbygget i en sugekasse hvis sidevegger sammen med blåsekassens sidevegger danner avsugingskanaler for den støvladede luft som passerer gjennom avsugingsspaltene. Den som fikseringsplan tjenende blåsekassevegg er på kjent vis utformet med en avfasing, fortrinnsvis under en vinkel på ca. 15 til materialbanens plan ved de kanter-som vender mot avsugingsspaltene.. Det er hensiktsmessig å utforme sugekassens sidevegger hev- og senkbare. The device for carrying out the method according to the invention comprises a blower box known from web dryers for airborne, non-touching in advancing the web parallel to and at a certain distance from a wall of the blower box serving as a fixing plane, which wall is provided with blowing openings, preferably by "eye lids "-type, which is arranged in at least three parallel rows with the openings in the two outer rows directed to blow air currents from each other - and in between the track and the box wall, mainly parallel to the direction of movement of the track, while the openings in the off/rich rows are arranged to blow out air currents in other directions, which blower box is built into a suction box whose side walls, together with the side walls of the blower box, form extraction channels for the dust-laden air that passes through the extraction slits. The blow box wall serving as a fixing plane is designed in a known manner with a chamfer, preferably at an angle of approx. 15 to the plane of the material path at the edges facing the extraction slits. It is appropriate to design the side walls of the suction box that can be raised and lowered.
Oppfinnelsen skal beskrives nærmere i tilslutning til tegningen som gjengir et utførelseseksempel på en støv av sugings-anordning ifølge oppfinnelsen. Fig. l^viser i lengdesnitt en del av det baneformede materiale og i tverrsnitt etter linjen I - I på fig. 2 en kombinert blåse- og sugekasse som oventil er forsynt med påblåsningsåpninger og avsugingsspalter, og fig. 2 viser i grunnriss, sett etter linjen II - II på fig. 1, den kom-binerte blåse- og sugekasse. The invention shall be described in more detail in connection with the drawing, which reproduces an exemplary embodiment of a dust suction device according to the invention. Fig. 1 shows in longitudinal section part of the web-shaped material and in cross section along the line I - I in fig. 2 a combined blowing and suction box which is provided at the top with inflation openings and extraction slits, and fig. 2 shows in plan, viewed along the line II - II in fig. 1, the combined blowing and suction box.
På tegningen angir 1 et baneformet materiale som skal støvsuges under sin bevegelse i den med pilen la angitte retning. I et parallelt og med inntil materialbanens 1 overflate liggende fikseringsplan 2 er der anordnet tre rekker av påblåsningsåpninger 3 som er av "øyelokk "-typen og forløper på tvers av mate-rial-banen. Påblåsningsåpningene 3a i de ytre rekker er innrettet til å blåse luftstrømmer mellom materialbanen og fikseringsplanet i hovedsaken parallelt med materialbanens bevegelsesretning for fiksering av banen. I den midtre rekke er påblåsningsåpningene 3b innrettet til å blåse luftstrømmer ut i retninger med sterkere skråstilling til materialbanen enn de førstnevnte luftstrømmer for inntrenging i og løsriving av støv fra materialbanens overflate og på den måte tilveiebringe en forbedring av støysugings-'effekten. Av denne grunn er åpningene 3b i midtrekkei. vendt av-vekslende for å blåse ut luftstrømmer med henholdsvis mot materialbanens bevegelsesretning. Påblåsningsåpningene kommuniserer over en blåsekasse 4 med et på tegningen ikke vist tilførsels-organ for påblåsingsluft. På begge sider av fikseringsplanet i banens.bevegelsesretning er der anordnet avsugingsspalter 5 for å suge vekk støv sammen med den tidligere påblåste luft. Avsugingsspaltene kommuniserer over en sugekasse 6 r°d et på tegningen ikke vist organ for bortsuging av luften. Ued de kanter som vender mot avsugingsspaltene 5, er fikseringsplanet 2 forsynt med avfasinger 2a som er av. størrelsesordenen 15° og som letter luftens og støvets avbøyning ned i avsugingsspaltene. Avsugings-spaltenes ytre vegger 7 er i det viste tilfelle hev- og senkbare for ved varierende luftmengder og vekslende materialtyper å mu-liggjøre en ankel innstilling i en sådan avstand fra materialbanen at man dels oppnår at den påblåste luft ikke strømmer forbi .avsugingsspaltene og ved sin transport og støv forårsaker en ny påføring av støv på materialbanen, og dels oppnår at materialbanen ved sin bevegelse ikke skraper mot veggene og skades i sitt ytre skikt. Dette er særlig<*>viktig hvis banens overflate som vender mot støvsugingsanordningen, er belagt med et ennå ikke tørket bestrykningsmateriale. In the drawing, 1 indicates a web-shaped material to be vacuumed during its movement in the direction indicated by the arrow. In a parallel fixing plane 2 lying close to the surface of the material web 1, there are arranged three rows of inflation openings 3 which are of the "eyelid" type and extend across the material web. The inflation openings 3a in the outer rows are designed to blow air currents between the material web and the fixing plane essentially parallel to the direction of movement of the material web for fixing the web. In the middle row, the blowing openings 3b are arranged to blow air currents out in directions with a stronger inclination to the material web than the first-mentioned air currents for penetration into and detachment of dust from the surface of the material web and in that way provide an improvement in the noise absorption effect. For this reason, the openings 3b are in the middle section. turned alternately to blow out air currents with respectively against the direction of movement of the material web. The inflation openings communicate via a blow box 4 with a supply device for inflation air, not shown in the drawing. On both sides of the fixation plane in the path's direction of movement there are arranged suction slits 5 to suck away dust together with the previously inflated air. The extraction slits communicate over a suction box 6 with a device not shown in the drawing for extracting the air. On the edges facing the suction slits 5, the fixing plane 2 is provided with chamfers 2a which are off. of the order of 15° and which facilitates the deflection of the air and dust down into the extraction slits. In the case shown, the outer walls 7 of the suction slits can be raised and lowered in order to enable, with varying amounts of air and alternating material types, an easy setting at such a distance from the material path that one partly achieves that the inflated air does not flow past the suction slits and at its transport and dust causes a new application of dust on the material web, and partly achieves that the material web does not scrape against the walls and damage its outer layer during its movement. This is particularly<*>important if the surface of the track facing the vacuuming device is coated with a coating material that has not yet dried.
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE2043/69A SE319969B (en) | 1969-02-14 | 1969-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO139930B true NO139930B (en) | 1979-02-26 |
NO139930C NO139930C (en) | 1979-06-06 |
Family
ID=20259291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO489/70A NO139930C (en) | 1969-02-14 | 1970-02-12 | METHOD AND DEVICE FOR VACUATION OF A CONTINUOUS PATH |
Country Status (11)
Country | Link |
---|---|
US (1) | US3775806A (en) |
BE (1) | BE745973A (en) |
DE (1) | DE2006716C3 (en) |
DK (1) | DK144235C (en) |
FI (1) | FI50264C (en) |
FR (1) | FR2035401A5 (en) |
GB (1) | GB1283291A (en) |
NL (1) | NL7002087A (en) |
NO (1) | NO139930C (en) |
PL (1) | PL80862B1 (en) |
SE (1) | SE319969B (en) |
Families Citing this family (45)
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US4026701A (en) * | 1975-02-24 | 1977-05-31 | Xerox Corporation | Gas impingement and suction cleaning apparatus |
SE7902382L (en) * | 1979-03-16 | 1980-09-17 | Foerenade Fabriksverken | METHOD AND DEVICE FOR CLEANING A CURRENT MATERIAL PATH |
US4394786A (en) * | 1980-05-22 | 1983-07-26 | Wire Lab Company | Apparatus for cleaning and scale dust removal from steel rod after mechanical descaling |
SE8107374L (en) * | 1981-12-09 | 1983-06-10 | Kelva Ab | web cleaners |
US4454621A (en) * | 1982-01-15 | 1984-06-19 | Static Inc. | Sheet and web cleaner |
US4461654A (en) * | 1982-03-09 | 1984-07-24 | Wire Lab Company | Method for removing scale dust from steel rod after mechanical descaling |
US4643775A (en) * | 1984-06-29 | 1987-02-17 | Crown Zellerbach Corporation | Fabric conditioning and cleaning system |
ATE51569T1 (en) * | 1984-12-03 | 1990-04-15 | Steinbeis Temming Papier Gmbh | DEVICE FOR THE PRODUCTION OF LOW-JAMING FORMAT PAPER. |
ATE46378T1 (en) * | 1984-12-03 | 1989-09-15 | Temming Ag Peter | LOW-DUST FORMAT PAPER, PROCESS FOR PRODUCTION AND USE OF SAME. |
US4670936A (en) * | 1986-02-25 | 1987-06-09 | Hanson Douglas R | Dust inhibiting vacuum hood |
US4918795A (en) * | 1987-07-17 | 1990-04-24 | Milliken Research Corporation | Method to soften fabric by air impingement |
US4837902A (en) * | 1987-07-17 | 1989-06-13 | Milliken Research Corporation | Fabric softening apparatus |
SE459105B (en) | 1987-10-01 | 1989-06-05 | Valmet Paper Machinery Inc | KEEPING AND DEVICE FOR DISPOSAL OF DAMS RELEASED DURING THE DISPOSAL OF A PAPER COAT |
US4956024A (en) * | 1988-01-11 | 1990-09-11 | The Perkin Elmer Corporation | Non-contacting method of cleaning surfaces with a planoar gas bearing |
US4897202A (en) * | 1988-01-25 | 1990-01-30 | Pure-Chem Products, Inc. | Process and apparatus for recovery and recycling conveyor lubricants |
US4897203A (en) * | 1988-02-26 | 1990-01-30 | Pure-Chem Products, Inc. | Process and apparatus for recovery and recycling conveyor lubricants |
US4905500A (en) * | 1988-03-28 | 1990-03-06 | Macmillan Bloedel Limited | Paper web surface cleaner or tester |
CH676807A5 (en) * | 1988-09-21 | 1991-03-15 | Erich Kaelin | |
US5099542A (en) * | 1990-07-30 | 1992-03-31 | The Boeing Company | Honeycomb core dust removal system |
US5287586A (en) * | 1992-04-09 | 1994-02-22 | Waldorf Corporation | Material collecting/removal apparatus |
US5466298A (en) * | 1993-10-01 | 1995-11-14 | James River Paper Company, Inc. | Web cleaning method |
US5398372A (en) * | 1993-10-29 | 1995-03-21 | Kaiser Aluminum & Chemical Corporation | Liquid edge bead removal device |
US5490300A (en) * | 1994-04-25 | 1996-02-13 | Horn; Paul E. | Air amplifier web cleaning system |
FI95611C (en) * | 1994-05-16 | 1996-02-26 | Valmet Paper Machinery Inc | Method and apparatus on a paper machine or finishing apparatus for such to collect and remove dust discharging from the web |
JP3452676B2 (en) * | 1995-02-15 | 2003-09-29 | 宮崎沖電気株式会社 | Device for removing particles on semiconductor wafer surface and method for removing particles on semiconductor wafer surface using the same |
US5836044A (en) * | 1995-05-26 | 1998-11-17 | Chapman Corporation | Surface cleaner and collector system |
SE504708C2 (en) * | 1995-09-13 | 1997-04-07 | Valmet Karlstad Ab | Method and apparatus for transferring a fast-running ready-dried fiber web, in particular a tissue web, from a device and along a predetermined path to a subsequent device |
US6178607B1 (en) | 1996-01-29 | 2001-01-30 | Milliken & Company | Method for treating a crease sensitive fabric web |
US5878462A (en) * | 1996-05-21 | 1999-03-09 | Valmet-Karlstad Ab | Dust removal apparatus |
WO1998014654A1 (en) * | 1996-10-02 | 1998-04-09 | Milliken Research Corporation | Method and apparatus for web treatment |
FI104099B (en) * | 1996-10-25 | 1999-11-15 | Valmet Corp | Method and apparatus for removing dust from a paper machine or the like or a post-treatment device thereof |
US6148831A (en) * | 1996-10-25 | 2000-11-21 | Valmet Corporation | Method for cleaning a web |
AT404605B (en) * | 1997-03-14 | 1999-01-25 | Andritz Patentverwaltung | METHOD AND DEVICE FOR REDUCING DUST DEPOSITION ON A PAPER MACHINE DRYING HOOD |
DE19732235A1 (en) * | 1997-07-26 | 1999-01-28 | Michael Dr Marks | Printing machine with a device for cleaning the printing medium |
DE19859246A1 (en) * | 1998-01-20 | 1999-07-22 | Koch Hans Peter | Sheet offset printing process |
US5991964A (en) | 1998-06-22 | 1999-11-30 | Kimberly-Clark Worldwide, Inc. | Web cleaner |
DE10208486B4 (en) | 2001-03-27 | 2012-04-26 | Heidelberger Druckmaschinen Ag | Printing unit with a device for removing particles and areal substrates processing machine with such a printing unit |
AT410980B (en) * | 2001-06-05 | 2003-09-25 | Paper Testing Instr Gmbh | PARTICLE PROBE, MEASURING SYSTEM AND METHOD FOR DETERMINING THE DUST LOAD OF A RAIL-SHAPED OBJECT |
US6799514B2 (en) | 2002-01-11 | 2004-10-05 | The Procter & Gamble Company | Cleaning apparatus for printing press |
WO2005095001A1 (en) * | 2004-04-02 | 2005-10-13 | Wladimir Janssen | Efficient and flexible multi spray electrostatic deposition system |
CN100393431C (en) * | 2005-01-31 | 2008-06-11 | 田永茂 | dust remover |
IES20050297A2 (en) * | 2005-05-10 | 2006-10-04 | Lifestyle Foods Ltd | Material recovery system |
US20120145347A1 (en) * | 2009-12-22 | 2012-06-14 | Metso Paper, Inc. | Dry end web transport system |
IT1406647B1 (en) * | 2010-09-16 | 2014-03-07 | Milltech S R L | SUCTION CASE GROUP |
TW201420219A (en) * | 2012-11-16 | 2014-06-01 | Nitto Ind Co Ltd | Dust removal device |
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US345610A (en) * | 1886-07-13 | Dust-removing apparatus | ||
DE697620C (en) * | 1939-03-01 | 1940-10-18 | Guenther Wagner Fa | Device for removing dust from the sheets to be printed in office printing machines, in particular rotary stencil printers |
US2224236A (en) * | 1939-04-26 | 1940-12-10 | American Window Glass Co | Coating glass sheets |
US2590849A (en) * | 1947-12-31 | 1952-04-01 | Dungler Julien | Method for drying fibrous sheet material |
US2515223A (en) * | 1949-03-30 | 1950-07-18 | United Shoe Machinery Corp | Pneumatic dust removal machine |
US3231165A (en) * | 1961-12-02 | 1966-01-25 | Svenska Flaektfabriken Ab | Method and apparatus for stabilizing an air-borne web |
DE1449656C3 (en) * | 1961-12-02 | 1972-06-29 | Svenska Flaektfabriken Ab | Device for flutter-free guiding of flat material |
BE645430A (en) * | 1963-03-19 | |||
DE1229105B (en) * | 1963-08-19 | 1966-11-24 | Thomas A Gardner | Device for cleaning a belt from dust |
GB1080699A (en) * | 1965-09-03 | 1967-08-23 | Ici Ltd | Topical pharmaceutical compositions containing steroids |
-
1969
- 1969-02-14 SE SE2043/69A patent/SE319969B/xx unknown
-
1970
- 1970-02-06 GB GB5832/70A patent/GB1283291A/en not_active Expired
- 1970-02-11 PL PL1970138764A patent/PL80862B1/pl unknown
- 1970-02-11 FI FI700376A patent/FI50264C/en active
- 1970-02-12 NO NO489/70A patent/NO139930C/en unknown
- 1970-02-13 DE DE2006716A patent/DE2006716C3/en not_active Expired
- 1970-02-13 BE BE745973D patent/BE745973A/en not_active IP Right Cessation
- 1970-02-13 NL NL7002087A patent/NL7002087A/xx unknown
- 1970-02-13 DK DK71670A patent/DK144235C/en not_active IP Right Cessation
- 1970-02-13 FR FR7005157A patent/FR2035401A5/fr not_active Expired
-
1971
- 1971-11-16 US US00199112A patent/US3775806A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK144235B (en) | 1982-01-25 |
FR2035401A5 (en) | 1970-12-18 |
DE2006716C3 (en) | 1982-05-06 |
PL80862B1 (en) | 1975-08-30 |
DK144235C (en) | 1982-06-28 |
DE2006716A1 (en) | 1970-09-03 |
FI50264C (en) | 1976-01-12 |
BE745973A (en) | 1970-07-16 |
NL7002087A (en) | 1970-08-18 |
SE319969B (en) | 1970-01-26 |
US3775806A (en) | 1973-12-04 |
GB1283291A (en) | 1972-07-26 |
DE2006716B2 (en) | 1977-11-03 |
NO139930C (en) | 1979-06-06 |
FI50264B (en) | 1975-09-30 |
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