DK151461B - AIM - Google Patents
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- DK151461B DK151461B DK278683A DK278683A DK151461B DK 151461 B DK151461 B DK 151461B DK 278683 A DK278683 A DK 278683A DK 278683 A DK278683 A DK 278683A DK 151461 B DK151461 B DK 151461B
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- sieve
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- frame
- screen
- elastic deformation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4645—Screening surfaces built up of modular elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/48—Stretching devices for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/48—Stretching devices for screens
- B07B1/49—Stretching devices for screens stretching more than one screen or screen section by the same or different stretching means
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Abstract
Description
151461151461
Opfindelsen angår en sigte med understøttelseselementer for et i sigterammen indsat sigtedæk samt fastgørelsesorganer for sigtedækket.The invention relates to a sieve with supporting elements for a sieve tire inserted in the sieve frame as well as fasteners for the sieve tire.
Ved montering af sigteelementer til dynamiske sigte-5 maskiner har man anvendt en lang række forskellige fastgørelsesmetoder. Man har f.eks. ifølge DE-OSA large number of different fastening methods have been used in the assembly of screen elements for dynamic screen machines. One has e.g. according to DE-OS
2 849 838 anvendt et snaplåsesystem, hvor de forskellige sigteelementer snappes fast på forstærkede understøttelseselementer. Lignende tankegang anvendes i 10 DE-GM 78 38 335 og DE-OS 2 749 489. Man har i visse tilfælde tilvejebragt forankringen ved fremspring på undersiden af sigtedugene og ekspansionsorganer indrettet til at presse disse fremspring i indgreb med fordybninger i sigterammens understøttelseselementer.No. 2,849,838 used a snap-lock system in which the various sieve elements are snap-fastened on reinforced support members. Similar thinking is used in DE-GM 78 38 335 and DE-OS 2 749 489. In some cases, the anchorage has been provided by projections on the underside of the sieve cloths and expansion means arranged to press these projections into recesses with recesses in the support elements of the sieve frame.
15 Sådanne konstruktioner er kendt fra f.eks. USA patent-skrift nr. 4 141 821 og tilsvarende svensk patentansøgning nr. 7700468-7 samt desuden USA patent nr.Such structures are known from e.g. U.S. Patent No. 4,141,821 and corresponding Swedish Patent Application No. 7700468-7 as well as U.S. Pat.
3 745 736.3 745 736.
De ovennævnte sigtemaskiner med små individuelt fast-20 gørlige sigteelementer er imidlertid ikke særlig almindelige, fordi de kræver en rekonstruktion af eksisterende sigtemaskiner. Den almindeligste variant af sigtemaskiner gør i stedet for brug af sigteduge af 2 en væsentlig størrelse, ofte 1 - 2 m pr. enhed. 1 2 3 4 5 6However, the aforementioned sieving machines with small individually fixable sieve elements are not very common because they require reconstruction of existing sieving machines. The most common variant of sieving machines, instead of using sieve cloth of 2, makes a substantial size, often 1 - 2 m per day. unit. 1 2 3 4 5 6
Denne type sigteduge fastgøres i sigterammerne ved at 2 sigteelementerne forsynes med hager, ved hjælp af hvil 3 ke sigteelementerne indspændes mellem modstående kan 4 ter af sigterammen. Et eksempel på en sådan indspæn 5 dingsmetode findes i DE-OS 2 005 376. Denne fastgø- 6 relsesmetode udnyttes i den overvejende del af alle sigtemaskiner, som for nærværende fremstilles i verden, og dette medfører, at de fleste sigtemaskiners 2 15H61 rammekonstruktioner er ensartet. Som det fremgår af nogle af de ovennævnte litteraturhenvisninger, har man forsøgt at opdele sigtedækket i mindre enheder, som er let udskiftelige for at lette hurtig udskiftning 5 af en slidt sektion og desuden give mulighed for hurtig udskiftning fra en hulstørrelse til en anden inden for en del af sigtedækket.This type of sieve cloth is fixed in the sieve frames by providing 2 sieve elements with hooks, by means of which 3 sieve elements are clamped between opposite can 4 s of the sieve frame. An example of such a clamping method is found in DE-OS 2 005 376. This clamping method is used in the predominant part of all sieving machines currently manufactured in the world, which means that the frame designs of most sieving machines are 15H61. uniform. As can be seen from some of the literature references cited above, attempts have been made to divide the sieve cover into smaller units which are easily interchangeable to facilitate rapid replacement of one worn section and additionally allow for rapid replacement from one hole size to another within one. part of the sieve deck.
Ulempen ved de kendte små sigtelementer er, at ramme-konstruktionen i de på markedet eksisterende sigtema-10 skiner må ændres eller kompletteres, hvis man skal kunne udnytte de let udskiftelige sigteelementsyste-mer ifølge f.eks. DE-OS 2 754 374.The disadvantage of the known small screen elements is that the frame construction of the screen screens existing on the market must be changed or supplemented if it is to be possible to utilize the easily interchangeable screen element systems according to e.g. DE-OS 2 754 374.
Formålet med den foreliggende opfindelse er at tilvejebringe en langtgående forenkling af kendte med små 15 sigtelementer udformede konstruktioner og muliggøre en enklere og billigere montering ved brugeren, uden behov for nogen væsentlig ændring af sigtemaskinens rammekonstruktion.The object of the present invention is to provide a far-reaching simplification of known small screen element designs and to enable simpler and less expensive installation by the user, without the need for any significant change to the frame construction of the screen machine.
Ifølge den foreliggende opfindelse skal man ved en 20 sigtemaskine, som omfatter en sigteramme med understøttelseselementer for et i sigterammen indsat sig-tedæk samt fastgørelsesorganer for sigtedækket, sørge for, at sigtedækket udformes af flere ved siden af hinanden anbragte, aflange sigtelementer med deri 25 indsatte afstivningselementer, som ved elastisk de formation ved monteringen i sigterammen er forspændte imod understøttelseselementerne.According to the present invention, with a sieve machine comprising a sieve frame with supporting elements for a sieve tire inserted in the sieve frame and fasteners for the sieve tire, it is to be ensured that the sieve tire is formed of several adjacent, elongated sieve elements with 25 inserts. stiffening elements which are biased against the supporting elements by elastically forming during assembly in the sieve frame.
Opfindelsen bygger således på den ide, at de enkelte elementer, som danner sigtedækket, skal udformes som 30 aflange stive bræddelignende elementer og ved monte ringen udsættes for en elastisk deformation for at opnå den nødvendige nedspændingskraft mod sigterammens 151461 3 understøtningselementer.Thus, the invention is based on the idea that the individual elements forming the screen deck must be formed as 30 elongated rigid board-like elements and subjected to an elastic deformation at the mounting to obtain the necessary clamping force against the supporting elements of the sieve frame.
Sammenlignet med de konventionelle systemer, hvor de enkelte sigteduge har fastholdelseshager ved deres kanter og fastspændes ved hjælp af disse hager, er 5 det ved udnyttelse af opfindelsen væsentlig lettere at tilvejebringe den nødvendige anlægskraft imod sigterammens understøtningselementer. Hvis sigterammen således er udformet på en sådan måde, at understøtningselementerne tvinger sigtelementer til at krumme 10 sig konvekst, kan sigteelementerne udformes med lige afstivningselementer. Herved monteres den ene ende af sigteelementerne fast ved rammen, og sigteelementerne bukkes over understøtningselementerne for at fastgøres under en holderibbe ved den modstående side af sigte-15 rammen. Den kraft, som kræves til at bøje sigteelemen terne, vil være væsentlig lavere end en i de konventionelle sigteelementers eller duges plan rettet kraft, som udøves for at strække de konventionelle sigteele-menter eller -duge i en sådan udstrækning, at samme 20 nedholdningskraft opnås.Compared to the conventional systems in which the individual sieve cloths have retaining hooks at their edges and are clamped by these hooks, it is considerably easier to provide the necessary abutment force against the support elements of the sieve frame when utilizing the invention. Thus, if the sieve frame is designed in such a way that the support members force the sieve members to curve themselves convexly, the sieve members can be formed with straight stiffening members. Hereby one end of the sieve elements is mounted firmly to the frame and the sieve elements are bent over the support elements to be fixed under a support rib at the opposite side of the sieve frame. The force required to bend the screen elements will be substantially lower than the force directed in the plane of the conventional screen elements or tabs exerted to extend the conventional screen elements or tabs to such an extent that the same holding force is achieved. .
Sigten ifølge opfindelsen kan udnyttes ikke blot ved sigtemaskiner, hvis sigtedæk er konveks krummet, men også ved sigtemaskiner, hvor sigtedækket er plan.The screen according to the invention can be used not only for screen machines whose screen tires are convexly curved, but also for screen machines where the screen deck is flat.
I sådanne tilfælde kan man ifølge en videre udvikling 25 af opfindelsen plastisk deformere afstivningselementer ne i en retning, som er modsat den elastiske deformation, som afstivningselementerne udsættes for under sigteelementernes montering i sigtemaskinen. Ved opfindelsen er det bedst, hvis afstivningselementerne, 30 når sigteelementerne er monterede i sigterammen, ud sættes for en elastisk deformation, hi/iis tilbagefjed-ringskraftresultant er mindst lige så stor som en inertikraftresultant, som virker på sigteelementerne i den modsatte retning, når sigteelementerne anven- 151461 4 des i en dynamisk sigtemaskine. Hvis der skulle opstå vanskeligheder med en sådan kraftig elastisk deformation, kan man ifølge opfindelsen forstærke nedholdningskraften ved at udnytte permanentmagne-5 ter, som fortrinsvis monteres i sigterammens understøtningselementer, og som bringes til at virke mod magnetiske indsatse i sigteelementerne. Disse magnetiske indsatse kan dannes af de nævnte afstivnings-elementer .In such cases, according to a further development of the invention, the deformation members may be plastically deformed in a direction opposite to the elastic deformation to which the stiffening elements are subjected during the sieve element assembly in the sieving machine. In the invention, it is best if the stiffening elements, when the sieve elements are mounted in the sieve frame, are subjected to an elastic deformation, hi / iis resilient resultant is at least as great as an inertial resultant acting on the sieve elements in the opposite direction when the sieve elements used in a dynamic sieving machine. In the event of difficulties with such a strong elastic deformation, according to the invention, the holding-down force can be enhanced by utilizing permanent magnets which are preferably mounted in the support members of the sieve frame and which are made to act against magnetic inserts in the sieve elements. These magnetic inserts can be formed by the said stiffening elements.
10 I en udførelsesform er afstivningselementerne indsat i det mindste ved modstående langsider af sigteelementerne og fastgørelsesorganerne omfatter permanentmagneter og dermed samvirkende ankre af magnetisk materiale. Som nævnt kan disse ankre 15 danne afstivningselementer i sigtedækket.In one embodiment, the stiffening elements are inserted at least at opposite long sides of the sieve elements and the fasteners comprise permanent magnets and thus interacting anchors of magnetic material. As mentioned, these anchors can form stiffening elements in the sieve deck.
Sigteelementerne ifølge opfindelsen er fortrinsvis udformet til overlapningsforbindelse ved deres langs hinanden forløbende sidekanter. Som nævnt skal sigteelementerne være udformet som langsgående 20 elementer, som ligner planker. For at lette den elastiske deformation til opnåelse af den nødvendige nedholdningskraf t er det bedst, hvis elementerne har et længde-bredde-forhold på mindst 3:1, helst 4:1 og endnu hellere mindst 5:1. På denne måde kommer man til 25 at få en tættere placering af afstivningselementerne og dermed en’total set større nedholdningskraft, uden at man ved monteringen af de enkelte elementer skal være nødt til at udøve en ubekvem stor kraft mod elementernes frie ende ved nedbøjning og montering i sigterammen .Preferably, the screening elements of the invention are designed to overlap at their laterally extending side edges. As mentioned, the sieve elements must be designed as longitudinal elements similar to planks. In order to facilitate the elastic deformation to obtain the required holding force t, it is best if the elements have a length-to-width ratio of at least 3: 1, preferably 4: 1 and more preferably at least 5: 1. In this way, you will get a closer positioning of the stiffening elements and thus a greater total holding force, without having to exert an uncomfortable large force against the free end of the elements when deflecting and mounting. in the sight frame.
151461" 5151461 "5
Hvis permanetmagneter udnyttes til at opnå eller komplettere fastholdelseskraften, bør permanentmagneterne være anbragt på sigterammens understøtningselementer, fortrinsvis ved at de er forbundet med disse via 5 elastiske dæmpere.If permanent magnets are utilized to obtain or supplement the retaining force, the permanent magnets should be placed on the support members of the sieve frame, preferably by being connected thereto via 5 resilient dampers.
Opfindelsen skal i det følgende nærmere beskrives under henvisning til tegningen, hvorpå: fig. 1 i perspektiv viser et eksempel på et sigteele-ment, som er udformet ifølge opfindelsen, 10 fig. 2 viser i perspektiv dele af en sigtemaskines sigteramme for at vise monteringen af sigteelementer- ne, fig. 3 viser i perspektiv en anden udførelsesform for et sigteelement ifølge opfindelsen, 1 2 3 4 5 6 7 8 9 10 11 fig. 4 viser et længdesnit gennem en del af en sigte- 2 maskine med sigteelementer ifølge en yderligere udfø 3 relsesform for opfindelsen, 4 fig. 5 viser et snit langs linien V-V i fig. 4, og 5 fig. 6 viser et snit langs linien VI-l/I i fig. 4.The invention will now be described in more detail with reference to the drawing, in which: FIG. 1 is a perspective view of an example of a sieve element designed according to the invention; FIG. Fig. 2 is a perspective view of parts of a sieving machine's sieve frame to show the mounting of the sieve elements; 3 is a perspective view of another embodiment of a sieve element according to the invention; FIG. 4 shows a longitudinal section through part of a sieve 2 machine with sieve elements according to a further embodiment of the invention, 4 fig. 5 shows a section along the line V-V in FIG. 4 and 5 of FIG. 6 shows a section along the line VI-1 / I in FIG. 4th
6 I fig. 1 ses et sigteelement 1, som består af et elas 7 tomer, f.eks. natur- eller syntetisk gummi, f.eks. po- 8 lyurethan. Langs sigteelementets langsider er armerings 9 eller afstivningselementer 3 indsat. Disse armerings 10 elementer består af stift materiale og kan, som vist, 11 bestå af tværsnit firkantede metalrør. Efter behov kan 151461 6 sigteelementerne også være armeret ved hjælp af et passende antal indlagte afstivningselementer 4, som strækker sig vinkelret på afstivnings- eller armeringselementerne 3. Sigteelementet er derefter udformet til 5 overlapningsforbindelse ved, at det har en fordybning 5 ved den ene langside og en overlapningsflange 6 ved den anden langside.6 In FIG. 1 shows a sieve element 1, which consists of an elastomer 7 toms, e.g. natural or synthetic rubber, e.g. polyurethane. Along the long sides of the sieve element, reinforcement 9 or stiffening elements 3 are inserted. The elements of these reinforcements 10 consist of rigid material and, as shown, 11 may consist of cross-sectional square metal pipes. If necessary, the sieve elements may also be reinforced by a suitable number of inset stiffening elements 4 extending perpendicular to the stiffening or reinforcing elements 3. The sieve element is then formed into an overlap joint by having a recess 5 at one long side and an overlap flange 6 at the other long side.
I fig. 2 ses et eksempel på en sigteramme i en sigte-maskine. Sigterammen har sidestykker 7, nedholdnings-10 lister 8 og langsgående understøtningselementer 9.In FIG. 2 shows an example of a sieve frame in a sieve machine. The sieve frame has side pieces 7, hold-down strips 8 and longitudinal support elements 9.
På sidestykkerne 7 findes desuden understøttelses-overflader 10. Understøttelsesoverfladerne 10 og understøttelseselementerne 9 er ved det viste eksempel monteret på forskellige niveauer, således at sigteele-15 menterne 1 kommer til at hvælve opad over understøt telseselementerne 9.In addition, on the side pieces 7 are support surfaces 10. The support surfaces 10 and the support elements 9 are mounted at different levels in the example shown, so that the screen elements 1 will vault upwards over the support elements 9.
Som det fremgår af fig. 2 sker monteringen af sigte-elementerne ved, at deres ene ende fastspændes mod understøtningsoverfladen 10 ved hjælp af nedholdnings-20 listen 8, hvorpå elementerne presses ned over under støtningselementerne 10 ved at udsættes for en kraft i pilens 11 retning. Endelig tilbageholdes elementerne 1 i denne elastisk deformerede stilling ved fastgørelse af nedholdningslisten 8 til venstre i fig. 2. 1 2 3 4 5 6As shown in FIG. 2, the sieve elements are mounted by clamping one end of them against the support surface 10 by means of the holding-down strip 8, whereby the elements are pressed down below the supporting elements 10 by being subjected to a force in the direction of the arrow 11. Finally, the elements 1 in this elastically deformed position are retained by attaching the retaining strip 8 to the left of FIG. 2. 1 2 3 4 5 6
Ifølge opfindelsen udnytter man således den ved af 2 stivningselementerne 3 opnåede elasticitet eller fje 3 derkraft til at tilvejebringe den nødvendige nedhold- 4 ning imod understøtningselementerne 9 under sigtema- 5 skinens efterfølgende anvendelse. Denne nedholdnings- 6 virkning kan blive meget stor, hvis man vælger et pas sende materiale i afstivningselementerne 3. Disse elementer kan f.eks. bestå af et metallisk materiale, som er stift og kan udsættes for kraftig elastisk de- 151461 7 formation, uden at 0,2¾ strækningsgrænsen overskrides ved monteringsforløbet. Afstivningselementerne 3 kan imidlertid også dannes af et andet materiale, f.eks. glasfiberstave eller andre stive stænger, som indlæg-3 ges i sigteelementerne enten alene ved langsiderne, som vist i fig. 1, eller med passende mellemrum i sig-teelementernes bredderetning (= sigtemaskinens sigte-retning) .Thus, according to the invention, the elasticity or spring 3 obtained by the stiffening elements 3 is utilized to provide the necessary holding-down 4 against the support elements 9 during the subsequent use of the sieve machine 5. This holding-down effect can become very large if a passable material is selected in the stiffening elements 3. These elements can e.g. consist of a metallic material which is rigid and can be subjected to strong elastic deformation without exceeding the 0.2¾ stretch boundary during the assembly process. However, the stiffening elements 3 may also be formed of another material, e.g. fiberglass rods or other rigid rods which are inserted into the sieve elements either alone at the long sides, as shown in FIG. 1, or at appropriate intervals in the width direction of the screen elements (= the screen direction of the screen machine).
Ved eksemplet i fig. 1 og 2 er opfindelsen anvendt i 10 forbindelse med en sigtemaskine, hvis sigtedæk er konvekst hvælvet. Som indledningsvis anført kan opfindelsen også anvendes i forbindelse med sigtemaskiner, hvor det færdige sigtedæk er plant. I så tilfælde kan man ifølge fig. 3 have udsat afstivningselementerne 15 for en plastisk deformation i forvejen, således at sigtedugselementerne er hvælvet i modsat retning af deres ved monteringen bibragte elastiske deformation.In the example of FIG. 1 and 2, the invention is used in connection with a sieve machine whose sieve tire is convexly vaulted. As initially stated, the invention may also be used in connection with screeners where the finished screen deck is flat. In that case, according to FIG. 3, the stiffening elements 15 have been subjected to a plastic deformation in advance, so that the sieve cloth elements are curved in the opposite direction of their elastic deformation caused during installation.
I fig. 3 er denne plastiske forhåndsdeformation vist med pilene 12, som markerer, hvor meget sigteelementer-20 ne afviger fra en ret linie 13.In FIG. 3, this plastic advance deformation is shown by arrows 12 which indicate how much the sieve elements 20 deviate from a straight line 13.
Hvis man ifølge en videre udvikling af opfindelsen vil forstærke nedholdningskraften eller undgå at deformere sigteelementerne under monteringen kan man, som vist i fig. 4-6, tilvejebringe en nedholdnings-25 kraft ved hjælp af permanentmagneter 13, som ved hjælp af som dæmpere virkende holdere 14 af elastisk materiale er monteret på sigterammens langsgående understøtningselementer 9. Ved det viste udførelseseksempel er holderne 14 fastmonterede på de langsgående under-30 støtningselementer 9 ved hjælp af en holderplade 15, som er fastgjort med bolte 16 (fig. 5) eller ved svejsning (fig. 6).If, according to a further development of the invention, one wishes to increase the holding force or avoid deforming the sieve elements during mounting, as shown in FIG. 4-6, provide a hold-down force by means of permanent magnets 13 which, by means of dampers acting as resilient material 14, are mounted on the longitudinal supporting elements of the sieve frame 9. In the illustrated embodiment, the holders 14 are mounted on the longitudinal sub-30s. support members 9 by means of a holding plate 15 which is secured with bolts 16 (Fig. 5) or by welding (Fig. 6).
Permanentmagneterne 13 tiltrækker de i sigteelementer- 151461 8 ne 1 indsatte afstivningselementer 3, som i dette tilfælde måtte udgøres af magnetisk materiale for at kunne fungere som ankre. Som det fremgår af fig. 4 kan man anbringe- magneterne 13 med passende fordeling 5 over sigteoverfladen, således at magneterne kan anven des til at tilbageholde to ved siden af hinanden liggende sigteelementers afstivningselement 3. Monterings- og deformeringsforløbet ved anvendelse af magnetisk fastholdelse bliver væsentlig enklere end ved 10 kendte monteringssystemer. Ved anvendelse af magneter kan man lade magnetkraften være den ene tilbageholdningskraft, men man kan også udnytte den ovenfor omtalte deformation af sigteelementerne til at opnå en kraftigere nedholdningsvirkning.The permanent magnets 13 attract the stiffening elements 3 inserted in the sieve elements 1, which in this case had to be made of magnetic material in order to function as anchors. As shown in FIG. 4, the magnets 13 with suitable distribution 5 can be applied over the sieve surface, so that the magnets can be used to retain two adjacent sieve elements of the stiffening element 3. The mounting and deformation process using magnetic retention is considerably simpler than with 10 known mounting systems. . With the use of magnets, the magnetic force can be the one restraining force, but the deformation of the sieve elements mentioned above can also be utilized to obtain a stronger holding effect.
15 Opfindelsen er blevet beskrevet i forbindelse med en sigteramme, i hvilken sigteelementerne strækker sig fra side til side. Opfindelsen kan imidlertid også anvendes i anderledes udformede sigtemaskiner, hvor sig-tedækket er opdelt i to eller flere ved siden af hin-20 anden liggende felter, som vist i fig. 7.The invention has been described in connection with a sieve frame in which the sieve elements extend from side to side. However, the invention can also be used in differently designed sieving machines where the screen deck is divided into two or more adjacent fields, as shown in FIG. 7th
Claims (9)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8107293 | 1981-12-07 | ||
SE8107293 | 1981-12-07 | ||
SE8201272 | 1982-03-02 | ||
SE8201272A SE428763B (en) | 1981-12-07 | 1982-03-02 | Arrangement for a screen |
PCT/SE1982/000406 WO1983002075A1 (en) | 1981-12-07 | 1982-11-29 | Screening system |
SE8200406 | 1982-11-29 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK278683D0 DK278683D0 (en) | 1983-06-16 |
DK278683A DK278683A (en) | 1983-06-23 |
DK151461B true DK151461B (en) | 1987-12-07 |
DK151461C DK151461C (en) | 1988-05-30 |
Family
ID=26658032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DK278683A DK151461C (en) | 1981-12-07 | 1983-06-16 | AIM |
Country Status (11)
Country | Link |
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EP (1) | EP0081471B1 (en) |
JP (1) | JPS58502040A (en) |
AT (1) | ATE28414T1 (en) |
AU (1) | AU554492B2 (en) |
CA (1) | CA1202602A (en) |
DE (1) | DE3276789D1 (en) |
DK (1) | DK151461C (en) |
ES (1) | ES8308232A1 (en) |
FI (1) | FI73901C (en) |
NO (1) | NO156438C (en) |
WO (1) | WO1983002075A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3628418A1 (en) * | 1986-08-21 | 1988-02-25 | Krupp Gmbh | Screen with exchangeable screen lining |
US5586661A (en) * | 1994-12-15 | 1996-12-24 | Illinois Tool Works Inc. | Dam member for a screen deck |
BR9500893A (en) * | 1995-02-24 | 1997-04-29 | Aco Paulista Sa | Modular vibrating screen |
US5755334A (en) * | 1996-03-19 | 1998-05-26 | Illinois Tool Works Inc. | Method and apparatus for mounting a panel on a support member |
AUPQ012999A0 (en) * | 1999-05-03 | 1999-05-27 | Usf Johnson Screens Pty Ltd | Screening equipment |
US7922003B2 (en) * | 2006-09-29 | 2011-04-12 | M-I L.L.C. | Magnetic screen clamping |
CN102873025A (en) * | 2012-09-29 | 2013-01-16 | 山东润科机电设备有限公司 | Vibrating screen |
CN113893599B (en) | 2020-07-06 | 2022-07-01 | 河北冠能石油机械制造有限公司 | Vibrating screen mesh for a shale shaker |
EP4176981A1 (en) * | 2021-11-09 | 2023-05-10 | Steinhaus GmbH | Magnetic screen bottom attachment system with automatic positioning |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2910180A (en) * | 1955-03-07 | 1959-10-27 | Tyler Co W S | Screen deck structure |
NL138604C (en) * | 1968-09-25 | |||
JPS4915993Y1 (en) * | 1969-05-16 | 1974-04-22 | ||
JPS5521037B1 (en) * | 1971-03-23 | 1980-06-06 | ||
DE2461237C3 (en) * | 1974-12-23 | 1980-01-24 | Hein, Lehmann Ag, 4000 Duesseldorf | Tensionable, elastic sieve bottom |
AT344629B (en) * | 1976-05-21 | 1978-08-10 | Steinhaus Gmbh | SIEBFELD |
US4120784A (en) * | 1976-06-16 | 1978-10-17 | N. Greening Limited | Screening apparatus |
DE2754374A1 (en) * | 1977-12-07 | 1979-06-13 | Kueper Gummi | Screen for screening or sifting machine - has interlocking tongue edge panels which can be replaced in sections when worn |
DE2932696A1 (en) * | 1979-08-11 | 1981-02-19 | Heinz D Gaertner Gmbh | Sieve bottom for tied or loose sieve plates - has tie rods through plate ribs to support rails |
JPS6018525Y2 (en) * | 1979-09-04 | 1985-06-05 | 不二サッシ株式会社 | Pulling device at the end of the sliding door |
-
1982
- 1982-11-29 DE DE8282850244T patent/DE3276789D1/en not_active Expired
- 1982-11-29 AU AU10160/83A patent/AU554492B2/en not_active Ceased
- 1982-11-29 AT AT82850244T patent/ATE28414T1/en not_active IP Right Cessation
- 1982-11-29 WO PCT/SE1982/000406 patent/WO1983002075A1/en active IP Right Grant
- 1982-11-29 EP EP82850244A patent/EP0081471B1/en not_active Expired
- 1982-11-29 JP JP83500031A patent/JPS58502040A/en active Pending
- 1982-12-03 CA CA000416949A patent/CA1202602A/en not_active Expired
- 1982-12-06 ES ES517937A patent/ES8308232A1/en not_active Expired
-
1983
- 1983-04-25 NO NO83831442A patent/NO156438C/en unknown
- 1983-05-11 FI FI831639A patent/FI73901C/en not_active IP Right Cessation
- 1983-06-16 DK DK278683A patent/DK151461C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3276789D1 (en) | 1987-08-27 |
FI831639L (en) | 1983-06-08 |
DK278683A (en) | 1983-06-23 |
NO831442L (en) | 1983-06-23 |
WO1983002075A1 (en) | 1983-06-23 |
DK278683D0 (en) | 1983-06-16 |
ATE28414T1 (en) | 1987-08-15 |
EP0081471A1 (en) | 1983-06-15 |
FI831639A0 (en) | 1983-05-11 |
FI73901C (en) | 1987-12-10 |
ES517937A0 (en) | 1983-08-16 |
DK151461C (en) | 1988-05-30 |
ES8308232A1 (en) | 1983-08-16 |
JPS58502040A (en) | 1983-12-01 |
CA1202602A (en) | 1986-04-01 |
EP0081471B1 (en) | 1987-07-22 |
AU554492B2 (en) | 1986-08-21 |
NO156438C (en) | 1987-09-23 |
AU1016083A (en) | 1983-06-30 |
FI73901B (en) | 1987-08-31 |
NO156438B (en) | 1987-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |