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EP0167999B2 - Siebbelag - Google Patents

Siebbelag Download PDF

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Publication number
EP0167999B2
EP0167999B2 EP85108325A EP85108325A EP0167999B2 EP 0167999 B2 EP0167999 B2 EP 0167999B2 EP 85108325 A EP85108325 A EP 85108325A EP 85108325 A EP85108325 A EP 85108325A EP 0167999 B2 EP0167999 B2 EP 0167999B2
Authority
EP
European Patent Office
Prior art keywords
screen
profile
lining according
elements
profiles
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.)
Expired - Lifetime
Application number
EP85108325A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0167999A2 (de
EP0167999A3 (en
EP0167999B1 (de
Inventor
Wolfgang Lehmann
Siegfried Schroeter
Christian Neukam
Horst Krüger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEIN, LEHMANN TRENN- UND FOERDERTECHNIK GMBH
Original Assignee
Isenmann Siebe GmbH
Hein Lehmann AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6240336&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0167999(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Isenmann Siebe GmbH, Hein Lehmann AG filed Critical Isenmann Siebe GmbH
Priority to AT85108325T priority Critical patent/ATE37149T1/de
Publication of EP0167999A2 publication Critical patent/EP0167999A2/de
Publication of EP0167999A3 publication Critical patent/EP0167999A3/de
Publication of EP0167999B1 publication Critical patent/EP0167999B1/de
Application granted granted Critical
Publication of EP0167999B2 publication Critical patent/EP0167999B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces

Definitions

  • the invention relates to a screen covering with screen elements arranged next to one another, which are interchangeably fastened to a supporting substructure by additional plastic profiles, the profiles holding two lateral edges of adjacent screen elements and having projections on their underside which are fastened in a latching manner to the substructure, and wherein the screen elements completely cover the profiles at the top,
  • Such a screen covering is known from WO-A - 8 402 290.
  • This known construction leads to a large overall height of the sieve bottom and does not allow easy assembly and disassembly.
  • these profiles require protruding reinforcement parts of the sieve elements in order to be able to attach the sieve elements to the substructure through the profiles.
  • Screen elements are known from DE-U-7917457, the end faces of which lie against one another and form downwardly projecting strips which are gripped by holding parts. This creates a large overall height.
  • the object of the invention is to improve a screen covering of the type mentioned in such a way that with a particularly secure hold, simple assembly and disassembly and with a low overall height of the screen bottom, the intermediate element - profile - is not exposed to wear and the screen elements during manufacture are simple.
  • Such a construction leads to a particularly secure hold, to simple assembly and disassembly and to a low overall height of the sieve plate.
  • the screen elements alone are exposed to the screenings.
  • the sieve elements are protective over the profiles that are used to attach the sieve elements to the substructure. The material of the profiles can thus be aligned solely with the holding function, so that a compromise between a material for an optimal holding function and optimally low wear need not be sought.
  • Profiles and sieve elements are particularly easy to assemble, especially since there is no need to pay attention to a precise fit in individual openings in the substructure. Disassembly is also particularly easy to do.
  • the large contact surfaces of the profiles on the substructure and on the sieve elements reliably prevent longitudinal displacement of the sieve elements and the profiles
  • fastening elements do not form any projections over the upper sieve surface, since in the area of the profiles the top of the sieve elements continuously passes through without recesses and / or elevations.
  • the profile laterally have at least one projection, in particular at least one tooth, which lies in a correspondingly shaped recess on the end face of the screen elements
  • the projections and recesses can be shaped such that a greater force can be transmitted to the profile in the pulling direction of the screen element than in the downward pressure direction. This creates a particularly secure hold, with assembly and disassembly being even easier.
  • the projections and recesses can be sawtooth-shaped, the steeper flanks of the projections of the profile facing the upper side of the sieve elements.
  • the profiles have two recesses on the top, in particular two grooves running along the profile, and in that a recess or groove has a correspondingly shaped projection on the underside of a screen element and into the other recess or groove, a correspondingly shaped projection engages on the underside of the adjacent screen element.
  • the outer vertical side wall of the groove can be aligned with the free, downwardly angled end of the strip.
  • the profile has two longitudinal parallel grooves on the underside, into which two free legs of the substructure engage.
  • the profile is formed by a laterally protruding area of the adjacent sieve element, in particular a sieve element located at the edge of the sieve covering.
  • the profile can be formed from a laterally protruding area of a lateral edge part of the sieve bottom, so that a secure and tight edge closure of the sieve bottom is achieved.
  • a sieve tray 1 is composed of individual rectangular sieve elements 2, the length of which is at least twice as large as the width.
  • the sieve elements extend between the two vertical side walls 3 of a sieving machine and consist of plastic.
  • the end faces 4 of two adjacent screen elements lie close together in the upper region. In the area below, the end faces 4 jump back to form recesses 5.
  • the recessed areas 5 of two adjacent screen elements 2 form a space below the abutting end faces 4 in which the upper area of a plastic profile 6 lies.
  • the profile 6 extends over the entire length of the longer sides of the sieve elements 2 and forms projections or teeth 7 in the upper region which lie in a form-fitting manner in correspondingly shaped recesses 8 in the recessed regions 5.
  • the upper area of the profile 6 corresponds in size to the space formed by the area 5 between two adjacent screen elements 2. Below this, the profile 6 forms two strips 10 projecting on both sides, which are arranged horizontally and with their upper side on the underside 11 of the screen elements 2 issue.
  • the longitudinal strips 10 lie with their underside on a U-shaped steel profile 12, the upward-facing legs are bent inwards and thus form a gap-shaped opening 13 at the top, into which a strip-shaped projection 14 of the profile 6 extends latching. In order to allow the projection 14 to hold in place, in the inserted position at the height of the opening 13 it is approximately the width of the opening and below it has a larger cross section.
  • the profile 6 has no influence on the shape of the top 16 of the screen elements 2, so that the top 16 can be flat.
  • the openings in the sieve elements 2 for the material to be sieved are not shown.
  • the horizontal strips 10 can be bent downwards at right angles at their free ends and thus partially encompass the outer sides of the U-profiles 12.
  • the strips 10 are thus L-shaped in cross section.
  • the free ends of the strips 10 have upwardly directed lips 17 which extend along the profile 6 and press against the underside of the sieve elements 2.
  • the embodiment shown in FIG. 3 differs in that the upper region of the profile 6 does not have a plurality of longitudinal horizontal teeth as in FIG. 1, but only a single tooth-shaped projection 7a on each side, each in a corresponding recess 8a 4 in the exemplary embodiment according to FIG. 4, the profiles have two longitudinal grooves 18 on the top, into which strip-shaped projections 19 protrude, which are integrally formed on the undersides 11 of the sieve elements 2. Furthermore, lip-shaped profiles can also protrude further on the undersides 11, which encompass the profile 6 on the outside. The area of the profile 6 which remains between the two grooves 18 and which projects upwards lies, like the upper area of the profile 6 in the exemplary embodiment according to FIG. 1, in recessed areas 5 of the end faces of the screen elements. The profile 6 according to FIG. 4 thus has parallel parallel grooves 20 on the underside 2, into which the two free legs of the U-profile 12 protrude.
  • the profile 6 can also be formed on the longitudinal side of a sieve element, so that sawtooth-shaped projections are only required on one side of the profile.
  • This embodiment is also particularly suitable for fastening sieve elements in the edge region of a sieve bottom. This is shown on the left in FIG. 1.
  • the free edge of the screen element 2a is clamped between a lower L-shaped profile 21 made of steel and an upper plastic strip 22.
  • a conventional sieve element 2 can also be attached to the edge of the sieve bottom, as is shown on the right-hand side of FIG. 1.
  • a half profile 6 is pushed into a half profile 12 in a latching manner.
  • FIG. 6 A further alternative method of fastening the sieve elements in the edge region is shown in FIG. 6.
  • a side plastic profile 23 of greater height than width has in the lower region a half-molded profile 6 on which a conventional sieve element 2 is held in the same way as in FIG. 1 is shown on the right. This reduces the number of parts to be assembled and reliably protects the side wall of the screening machine.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Stringed Musical Instruments (AREA)
  • Table Devices Or Equipment (AREA)
  • Pyridine Compounds (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Pens And Brushes (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Overhead Projectors And Projection Screens (AREA)
EP85108325A 1984-07-11 1985-07-05 Siebbelag Expired - Lifetime EP0167999B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85108325T ATE37149T1 (de) 1984-07-11 1985-07-05 Siebbelag.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843425485 DE3425485A1 (de) 1984-07-11 1984-07-11 Siebbelag
DE3425485 1984-07-11

Publications (4)

Publication Number Publication Date
EP0167999A2 EP0167999A2 (de) 1986-01-15
EP0167999A3 EP0167999A3 (en) 1986-06-25
EP0167999B1 EP0167999B1 (de) 1988-09-14
EP0167999B2 true EP0167999B2 (de) 1991-12-18

Family

ID=6240336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108325A Expired - Lifetime EP0167999B2 (de) 1984-07-11 1985-07-05 Siebbelag

Country Status (9)

Country Link
EP (1) EP0167999B2 (no)
JP (1) JPH0317976Y2 (no)
AT (1) ATE37149T1 (no)
AU (1) AU586172B2 (no)
DE (2) DE3425485A1 (no)
DK (1) DK314585A (no)
ES (1) ES287996Y (no)
NO (1) NO163517C (no)
ZA (1) ZA855136B (no)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7090083B2 (en) 2000-02-14 2006-08-15 Western Wire Works, Inc. Module for screening or diverting particulate material and method of producing the module
US7273151B2 (en) 1999-04-26 2007-09-25 Durex Products, Inc. Sieve bed for a sifting machine
CN107206430A (zh) * 2015-01-16 2017-09-26 山特维克知识产权股份有限公司 用于张紧的筛分介质的支撑件

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE47335T1 (de) * 1986-03-13 1989-11-15 Hein Lehmann Ag Siebbelag.
US4960510A (en) * 1987-06-26 1990-10-02 Steinhaus Gmbh Screening apparatus having a screen grid with a plurality of exchangeable screen elements
DE3724246A1 (de) * 1987-07-22 1989-02-02 Wahl Verschleiss Tech Verschleissfestes sieb
WO1990005594A1 (en) * 1988-11-23 1990-05-31 Western Wire Works, Incorporated Modular system
US5049262A (en) * 1988-11-23 1991-09-17 Galton Zanley F Modular system
US5112475A (en) * 1990-08-06 1992-05-12 Conn-Weld Industries, Inc. Panel mounting system
US5213217A (en) * 1991-10-25 1993-05-25 Galton Zanley F Screening system and method for screening particulate material
DE4140210C2 (de) * 1991-12-05 1996-05-30 Kueper Gummi Siebdeck für eine Siebmaschine
US5248043A (en) * 1992-02-28 1993-09-28 Dorn Lloyd A Modular retro-fit screen system for a screening deck
DE9204413U1 (de) * 1992-04-01 1992-06-04 Isenmann Siebe GmbH, 7500 Karlsruhe Siebbelag auf einer gekrümmten Stützkonstruktion
FR2690489B1 (fr) * 1992-04-24 1994-12-23 Giron Holding Système de fixation de panneaux modulaires de criblage sur une structure de maintien.
DE4303892C2 (de) * 1993-02-10 2001-07-12 Ludwig Krieger Draht Und Kunst Siebbelag
DE19512082A1 (de) * 1995-04-03 1996-10-10 Hein Lehmann Trenn Foerder Siebmaschine
AUPN514395A0 (en) * 1995-08-31 1995-09-21 Lettela Proprietary Limited Screening apparatus
DE19635156C2 (de) * 1996-08-30 1999-01-28 Voith Sulzer Stoffaufbereitung Verfahren zur Herstellung von Sieben
DE19635189C2 (de) * 1996-08-30 1999-01-28 Voith Sulzer Stoffaufbereitung Verfahren zur Herstellung von Sieben
DE29619117U1 (de) * 1996-10-22 1996-12-19 Guschall, Dietmar, 57271 Hilchenbach Siebstrecke für mechanische Förderer
SE9700385L (sv) * 1997-02-04 1998-02-23 Svedala Trellex Ab Sikt med överlappande långsträckta siktdukselement samt siktdukselement för sikten
US5967336A (en) * 1997-09-02 1999-10-19 Southwestern Wire Cloth, Inc. Vibrating screen assembly with improved frame
DE19807162C2 (de) * 1998-02-20 2001-05-23 Isenmann Siebe Gmbh Siebmaschine mit Seitenleiste
US6206200B1 (en) 1999-01-19 2001-03-27 United States Filter Corporation Mounting system for modular panels used in a screen deck
DE19918824B4 (de) * 1999-04-26 2005-12-22 Gummi Küper GmbH & Co KG Siebboden für eine Siebmaschine
AUPQ012999A0 (en) * 1999-05-03 1999-05-27 Usf Johnson Screens Pty Ltd Screening equipment
DE10113401A1 (de) * 2001-03-19 2002-09-26 Ludwig Krieger Draht Und Kunst Siebbelag
ATE367867T1 (de) * 2001-03-19 2007-08-15 Ludwig Krieger Draht Und Kunst Siebbelag und siebmaschine mit einem solchen siebbelag
DE10116424A1 (de) * 2001-04-02 2002-10-10 Hein Lehmann Trenn Foerder Vorrichtungen zum Abweisen, Stauen und/oder Führen von Siebgut auf einer Siebfläche
US6957741B2 (en) 2001-08-07 2005-10-25 Manfred Franz Axel Freissle Screening arrangement
EP1791656A4 (en) 2004-09-15 2014-07-09 Metso Minerals Sweden Ab CRIBLE AND CRIBLE ELEMENT
DE102005007954A1 (de) * 2005-02-22 2006-08-24 Ludwig Krieger Draht- Und Kunststofferzeugnisse Gmbh Siebbelagsträger
DE102005024236A1 (de) * 2005-05-25 2006-11-30 Isenmann Siebe Gmbh Siebfläche mit Stangenrost
DE102013010051B3 (de) 2013-06-17 2014-07-31 Schenck Process Gmbh Siebbelag
DE102016011817A1 (de) * 2016-10-05 2018-04-05 Hein, Lehmann Gmbh Spannwellensiebmaschine mit optimierter Siebbelagbefestigung
CN109622364A (zh) * 2019-01-06 2019-04-16 江苏亿亿和华筛分设备有限公司 一种防止物料粘附的筛板及使用该筛板的振动筛
CN110479588B (zh) * 2019-08-29 2022-03-04 苏州嘉诺环境工程有限公司 一种筛板安装结构、筛板组件及筛分机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980555A (en) * 1973-08-24 1976-09-14 Screenex Wire Weaving Manufacturers Limited Replacable screen with frame
DE2802562A1 (de) * 1978-01-21 1979-07-26 Hein Lehmann Ag Siebboden
AT354957B (de) * 1977-02-15 1980-02-11 Hein Lehmann Ag Siebboden
DE2736662B2 (de) * 1977-08-13 1979-06-13 Hein, Lehmann Ag, 4000 Duesseldorf Siebboden
JPS567749A (en) * 1979-07-03 1981-01-27 Mitsui Toatsu Chem Inc Preparation of polymethylenepolyphenylpolycarbamate
DE3008931A1 (de) * 1980-03-08 1981-09-17 Hein, Lehmann AG, 4000 Düsseldorf Systemsiebboden
GB2141361B (en) * 1982-12-09 1986-07-09 Fioris Pty Ltd Screening system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7273151B2 (en) 1999-04-26 2007-09-25 Durex Products, Inc. Sieve bed for a sifting machine
US7090083B2 (en) 2000-02-14 2006-08-15 Western Wire Works, Inc. Module for screening or diverting particulate material and method of producing the module
CN107206430A (zh) * 2015-01-16 2017-09-26 山特维克知识产权股份有限公司 用于张紧的筛分介质的支撑件
CN107206430B (zh) * 2015-01-16 2019-11-19 山特维克知识产权股份有限公司 用于张紧的筛分介质的支撑件

Also Published As

Publication number Publication date
AU586172B2 (en) 1989-07-06
AU4481085A (en) 1986-01-16
EP0167999A2 (de) 1986-01-15
DK314585A (da) 1986-01-12
JPS6191376U (no) 1986-06-13
EP0167999A3 (en) 1986-06-25
ZA855136B (en) 1986-07-30
EP0167999B1 (de) 1988-09-14
DE3425485A1 (de) 1986-01-16
ES287996U (es) 1986-01-01
NO163517B (no) 1990-03-05
ES287996Y (es) 1986-08-01
DE3564912D1 (en) 1988-10-20
DE3425485C2 (no) 1991-01-10
ATE37149T1 (de) 1988-09-15
DK314585D0 (da) 1985-07-10
JPH0317976Y2 (no) 1991-04-16
NO852768L (no) 1986-01-13
NO163517C (no) 1990-06-13

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