WO1990010501A1 - Process for crushing hard materials with oscillating jaw crusher - Google Patents

Process for crushing hard materials with oscillating jaw crusher Download PDF

Info

Publication number
WO1990010501A1
WO1990010501A1 PCT/AT1989/000026 AT8900026W WO9010501A1 WO 1990010501 A1 WO1990010501 A1 WO 1990010501A1 AT 8900026 W AT8900026 W AT 8900026W WO 9010501 A1 WO9010501 A1 WO 9010501A1
Authority
WO
WIPO (PCT)
Prior art keywords
jaw
crushing
crushing jaw
movable crushing
double
Prior art date
Application number
PCT/AT1989/000026
Other languages
German (de)
French (fr)
Inventor
Gottfried Hochegger
Original Assignee
Gottfried Hochegger
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
Application filed by Gottfried Hochegger filed Critical Gottfried Hochegger
Priority to EP19890903026 priority Critical patent/EP0417100A1/en
Priority to PCT/AT1989/000026 priority patent/WO1990010501A1/en
Priority to JP50279889A priority patent/JPH03504460A/en
Publication of WO1990010501A1 publication Critical patent/WO1990010501A1/en
Priority to CA002025999A priority patent/CA2025999A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers
    • B02C1/10—Shape or construction of jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers

Definitions

  • the invention relates to a hard comminution process, in particular for ore, lime and rock crushing plants, in which novel comminution techniques are introduced and accomplished with various devices.
  • Single-swing or double-swing jaw crushers, double toggle-jaw crushers, impact crushers and hammer crushers are known as hard crushers.
  • Design types are the cone crusher, impact crusher and
  • the invention aims in particular for hard comminution to achieve a significantly higher throughput at the same cost and the task is to greatly reduce the investment and operating costs per ton of throughput with a throughput comparison.
  • the movable crushing jaw is fastened as an overhead design in a double-acting pendulum lever, the crushing process taking place when the pendulum is raised and lowered, thereby achieving an additional output.
  • the circular and crescent-shaped design of the crushing tools on the material to be crushed initiates a cutting and splitting process with particularly good pull-in capacity, which likewise enables a higher throughput with less drive energy.
  • the fixed crushing jaw was provided with a gap diarrhea, which enables a pre-screening and immediate separation of the crushed material to be split, combined with a significantly higher throughput.
  • the toggle lever arrangement, pressure eccentric and flywheel masses used in the crusher construction are replaced by a hydraulic pressure cylinder device, which reduces the disadvantages of the unbalanced masses and the weight of the comminution machine.
  • Figure 1 shows schematically as a side view in section and plan the hard comminution machine according to the invention
  • 2 shows the same hard comminution method according to the invention in another embodiment as a side view and partly in section and plan.
  • a crushing jaw pendulum lever which carries out pendulum or wobble movements and thereby advantageously pulls in and crushes the material to be crushed with the cutting-like crushing tools.
  • the pressure and squeeze force is generated by a hydraulic pressure cylinder device -2 on the upper end of the rocker arm -1.
  • the crushing pressure is alternately caused by the hydraulic pressure cylinder device -2, so that the movable crushing jaw -3- performs a double-acting breaking action around the pivot bearing -4.
  • There is also a vibrator unbalance machine -5 at the upper end of the pendulum lever. attached, which gives the movable crushing jaw —3— the necessary excitation frequency for the gap process.
  • the vibrator unbalance machine -5 arranged above has the advantage that the excitation frequency in the area of the crushing jaw is -3 harder.
  • the arrangement of the rotary bearing —4— approximately in the middle of the movable crushing jaw —3—, as well as the squeezing and splitting pressure caused by the hydraulic pressure cylinder device —2— and by the vibrator unbalance machine —5—, enable a high crushing performance.
  • the circulating bearing —8— with the worm gear —9— has to be mentioned additionally for the circulating breaking process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

An essential aspect of a process for crushing hard materials which results in a significant reduction in the investment and operating costs per ton produced is the curved, double-acting mobile crushing jaw (3) connected to an oscillating lever (1) which houses the hydraulic compression cylinder (2) or the known articulated lever arrangement which generates the crushing pressure and the unbalance motor (5) which generates the splitting pressure. Another major aspect of the invention is the arrangement of slit-shaped openings (7) arranged at approximately 40° in the fixed jaw (6) of the crusher, which sift the crushed materials ghfjg # dnsndmsn

Description

Har zer leinerungsverfalιren-α}aumelspaltbreclιer Har zer leinerungsverfalιren-α} aumelspaltbreclιer
Die Erfindung betrifft ein Hartzerkleinerungsverfahren, ins= besondere für Erz-, Kalk- und Gesteinsbrechanlagen, bei dem neuartige Zerkleinerungstechniken eingeführt und mit verschie= denen Vorrichtungen bewerkstelligt werden.The invention relates to a hard comminution process, in particular for ore, lime and rock crushing plants, in which novel comminution techniques are introduced and accomplished with various devices.
Als Hartzerkleinerungsmaschinen sind Einschwingen- oder.Doppel= schwingen Backenbrecher, Doppelkniehebel-Backenbrecher, Prall= brecher und Hammerbrecher bekannt. Zur Abgrenzung vom Stand derSingle-swing or double-swing jaw crushers, double toggle-jaw crushers, impact crushers and hammer crushers are known as hard crushers. To differentiate from the status of
Technik wurde der Prospekt Doppelkniehebel-BackenbrecherTechnology became the brochure double toggle jaw crusher
CJD 100-25 der Vöest-Alpine AG Liezen herangezogen. WeitereCJD 100-25 from Vöest-Alpine AG Liezen. Further
Ausführungstypen sind der Kegelbrecher, Schlagbrecher undDesign types are the cone crusher, impact crusher and
Mantelbrecher.Coat breaker.
Alle diese Ausführungen und Konstruktionen berücksichtigen nicht die in der gegenständlichen Erfindung angegebenen neuartigenAll of these designs and constructions do not take into account the novel types specified in the present invention
Zerkleinerungstechniken.Shredding techniques.
Die Erfindung bezweckt insbesondere für die Hartzerkleinerung eine bedeutend höhere Durchsatzleistung bei gleichen Kosten zu erreichen und stellt sich die Aufgabe, bei einem Durchsatzver= gleich die Investitions- und Betriebskosten pro Tonne Durchsatz stark zu reduzieren.The invention aims in particular for hard comminution to achieve a significantly higher throughput at the same cost and the task is to greatly reduce the investment and operating costs per ton of throughput with a throughput comparison.
Die vorgenannte Aufgabe wird erfindungsgemäß dadurch gelöst, daß erstens die bewegliche Brechbacke als obenliegende Ausfüh= rung in einem doppeltwirkenden Pendelhebel befestigt ist, wobei der ZerkleinerungsVorgang beim Hin- und Rückgang des Pendel= hebeis stattfindet und dadurch eine Mehrleistung erzielt wird.The above object is achieved according to the invention in that, firstly, the movable crushing jaw is fastened as an overhead design in a double-acting pendulum lever, the crushing process taking place when the pendulum is raised and lowered, thereby achieving an additional output.
Zweitens wird durch die kreis- und sichelförmige Ausbildung der Brechwerkzeuge beim Brechgut ein Schneid- und Spaltvorgang mit besonders gutem Einzugsvermögen eingeleitet, der ebenfalls einen höheren Durchsatz bei weniger Antriebsenergie ermöglicht.Secondly, the circular and crescent-shaped design of the crushing tools on the material to be crushed initiates a cutting and splitting process with particularly good pull-in capacity, which likewise enables a higher throughput with less drive energy.
Im herkömmlichen Brecherbau wird nur die Einweg-Brechdruck= technologie verwendet. In der erfindungsgemäßen Losung wird drittens die Zweiwegtechnologie als Schwingenbrechdruck und Vibration eingesetzt, was ebenso den Brechvorgang als Quetsch- und Spaltzerkleinerung beschleunigt.In conventional crusher construction, only the one-way crushing pressure technology is used. Third, in the solution according to the invention, the two-way technology is used as rocker arm pressure and Vibration is used, which also speeds up the crushing process as crushing and splitting.
Weiters wurde bei der erfindungsgemäßen Brechraumausbildung die feststehende Brechbacke mit einem Spaltdurchfall versehen, was eine Vorabsiebung und sofortige Trennung des spaltgerechten Brechgutes ermöglicht, verbunden mit einem bedeutend höheren Durchsatz.Furthermore, in the crushing chamber design according to the invention, the fixed crushing jaw was provided with a gap diarrhea, which enables a pre-screening and immediate separation of the crushed material to be split, combined with a significantly higher throughput.
Bei der erfindungsgemäßen Brechertype werden die im herkδmm= liehen Brecherbau verwendete Kniehebelanordnung, Druckexzenter und Schwungmassen ersetzt durch eine Hydraulikdruckzylinder= Vorrichtung, die Nachteile der Unwuchtmassen und das Gewicht der Zerkleinerungsmaschine verringert.In the crusher type according to the invention, the toggle lever arrangement, pressure eccentric and flywheel masses used in the crusher construction are replaced by a hydraulic pressure cylinder device, which reduces the disadvantages of the unbalanced masses and the weight of the comminution machine.
Die Erfindung wird nachfolgend im Zusammenhang mit dem in der Zeichnung dargestellten Ausführungsbeispiel näher erläutert. In der Zeichnung zeigt: Fig.1 schematisch als Seitenansicht im Schnitt und Grundriß die Hartzerkleinerungsmaschine gemäß der Erfindung; Fig.2 dasselbe erfindungsgemäße Hartzerkleinerungs= verfahren in einer anderen Ausführungsform als Seitenansicht sowie teilweise im Schnitt und Grundriß.The invention is explained below in connection with the embodiment shown in the drawing. In the drawing: Figure 1 shows schematically as a side view in section and plan the hard comminution machine according to the invention; 2 shows the same hard comminution method according to the invention in another embodiment as a side view and partly in section and plan.
Es wird vorgeschlagen, die Zerkleinerungsmaschine nach Fig.1 als Taumelspaltbrecher mit einseitigem Einlauf und nach Fig.2 als Taumelspaltbrecher mit rundum Einlauf zu bezeichnen.It is proposed to designate the comminution machine according to FIG. 1 as a wobble gap crusher with one-sided inlet and according to FIG. 2 as a wobble gap crusher with all-round inlet.
Mit —1— ist ein Brechbacken-Pendelhebel dargestellt, der pendel- oder taumelartige Bewegungen durchführt und dadurch mit den schneidenartigen Brechwerkzeugen das Brechgut vorteilhaft einzieht und zerkleinert. Die Druck- und Quetschkraft wird durch eine Hydraulikdruckzylindervorrichtung —2— am oberen Ende des Pendelhebels —1— erzeugt. Der Brechdruck wird durch die Hydrau= likdruckzylindervorrichtung —2— abwechselnd bewirkt, sodaß die bewegliche Brechbacke —3— um die Drehlagerung —4— einen doppeltwirkenden Brechvorgang ausübt. Außerdem ist am oberen Ende des Pendelhebels —1— eine Vibrator-Unwuchtmaschine —5— angebracht, die der beweglichen Brechbacke —3— für den Spalt= Vorgang die notwendige Erregerfrequenz erteilt.With - 1 - a crushing jaw pendulum lever is shown, which carries out pendulum or wobble movements and thereby advantageously pulls in and crushes the material to be crushed with the cutting-like crushing tools. The pressure and squeeze force is generated by a hydraulic pressure cylinder device -2 on the upper end of the rocker arm -1. The crushing pressure is alternately caused by the hydraulic pressure cylinder device -2, so that the movable crushing jaw -3- performs a double-acting breaking action around the pivot bearing -4. There is also a vibrator unbalance machine -5 at the upper end of the pendulum lever. attached, which gives the movable crushing jaw —3— the necessary excitation frequency for the gap = process.
Die oben angeordnete Vibrator-Unwuchtmaschine —5— hat den Vorteil, daß die Erregerfrequenz im Bereich der Brechbacke —3— härter ist. Die Anordnung der Drehlagerung —4— ungefähr in der Mitte der beweglichen Brechbacke —3—, sowie der Quetsch- und Spaltdruck hervorgerufen durch die Hydraulikdruckzylinder= Vorrichtung —2— und durch die Vibrator-Unwuchtmaschine —5— , ermöglichen eine hohe Brechleistung.The vibrator unbalance machine -5 arranged above has the advantage that the excitation frequency in the area of the crushing jaw is -3 harder. The arrangement of the rotary bearing —4— approximately in the middle of the movable crushing jaw —3—, as well as the squeezing and splitting pressure caused by the hydraulic pressure cylinder = device —2— and by the vibrator unbalance machine —5—, enable a high crushing performance.
Die sichelförmige Gestaltung der beweglichen Brechbacke —3— ungefähr radial zur Drehlagerung —4—, bewirkt einen leistungs= erhöhenden Schneid- und Spaltvorgang sowie ein ausgezeichnetes Einzugsvermögen des Brechgutes.The crescent-shaped design of the movable crushing jaw —3— roughly radial to the rotary bearing —4— results in a performance-increasing cutting and splitting process and an excellent ability to draw in the material to be crushed.
Die feststehenden Brechbacken —6— sind streifenförmige an der Brechseite konkav gewölbte Spaltkorper, mit seitlich schlitz= fδrmig ausgenommenen Öffnungen —»7— , um eine Teilabsiebung zu erreichen.The fixed crushing jaws —6— are strip-shaped split bodies concavely curved on the crushing side, with laterally slotted = shaped openings - “7— to achieve partial screening.
In der Ausführung nach Fig.2 ist noch die Umlauflagerung —8— mit dem Schneckengetriebe —9— für den umlaufenden Brechvorgang ergänzend anzuführen. In the embodiment according to FIG. 2, the circulating bearing —8— with the worm gear —9— has to be mentioned additionally for the circulating breaking process.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Hartzerkleinerungsverfahren mit doppeltwirkender beweglicher Brechbacke —3— und feststehender konkav gewölbter Absiebungs-Brechbacke —6— dadurch gekennzeichnet, daß die bewegliche Brechbacke —3— konvex gewölbt und ungefähr in der Mitte eine Drehlagerung —4— besitzt. Die feststehende Brech= backe —6— ist nicht senkrecht, sondern ungefähr um 40 Grade geneigt und mit schlitzartigen Öffnungen —7— ausgestattet.1. Hard comminution process with double-acting movable crushing jaw -3 and fixed concave-curved sieving crushing jaw -6, characterized in that the movable crushing jaw -3-convexly curved and has a pivot bearing -4- approximately in the middle. The fixed jaw = 6 is not vertical, but is inclined approximately 40 degrees and has slot-like openings 7.
2. Hartzerkleinerungsverfahren nach Anspruch 1 , dadurch gekennzeichnet, daß die doppeltwirkende bewegliche Brechbacke —3— an einem Pendelhebel —1— befestigt ist, an dem am oberen Ende eine Hydraulikdruckzylindervorrichtung —2— oder eine bekannte Kniehebelanordnung zur Erzeugung des Quetschdruckes an der beweglichen Brechbacke —3— sowie ein Vibrator-Unwucht= motor —5— zur Erzeugung eines Spaltdruckes an der beweglichen Brechbacke —3— angebracht ist.2. Hard comminution method according to claim 1, characterized in that the double-acting movable crushing jaw —3— is attached to a pendulum lever —1—, at the upper end of which a hydraulic pressure cylinder device —2— or a known toggle lever arrangement for generating the squeezing pressure on the movable crushing jaw - 3— and a vibrator imbalance = motor —5— for generating a gap pressure on the movable crushing jaw —3— is attached.
3. Hartzerkleinerungsverfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Pendelhebel —1— seitlich oder mittig an der beweglichen Brechbacke —3— angebracht sein kann.3. Hard comminution process according to claim 1 and 2, characterized in that the pendulum lever —1— can be attached to the movable crushing jaw —3— at the side or in the middle.
4. Hartzerkleinerungsverfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß das Brechmaul in der Draufsicht ein Rechteck oder an den Brechseiten verschiedentlich gewölbt sein kann, sowie eine teilweise- oder ganz ringförmige Ausbildung erhalten kann. 4. Hard comminution process according to claim 1 to 3, characterized in that the crushing jaw can be curved differently in plan view, a rectangle or on the crushing sides, and can be partially or completely annular.
PCT/AT1989/000026 1989-03-09 1989-03-09 Process for crushing hard materials with oscillating jaw crusher WO1990010501A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19890903026 EP0417100A1 (en) 1989-03-09 1989-03-09 Process for crushing hard materials with oscillating jaw crusher
PCT/AT1989/000026 WO1990010501A1 (en) 1989-03-09 1989-03-09 Process for crushing hard materials with oscillating jaw crusher
JP50279889A JPH03504460A (en) 1989-03-09 1989-03-09 Grinding method for hard objects to be processed - rotating swash plate type shredding device
CA002025999A CA2025999A1 (en) 1989-03-09 1990-09-24 Hydraulic rock-crusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT1989/000026 WO1990010501A1 (en) 1989-03-09 1989-03-09 Process for crushing hard materials with oscillating jaw crusher

Publications (1)

Publication Number Publication Date
WO1990010501A1 true WO1990010501A1 (en) 1990-09-20

Family

ID=3682798

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT1989/000026 WO1990010501A1 (en) 1989-03-09 1989-03-09 Process for crushing hard materials with oscillating jaw crusher

Country Status (3)

Country Link
EP (1) EP0417100A1 (en)
JP (1) JPH03504460A (en)
WO (1) WO1990010501A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6058632A (en) * 1997-11-07 2000-05-09 Hawkins; Peter Arthur Taylor Tool holder with percussion member
GB2373462A (en) * 2001-03-22 2002-09-25 Robert Anthony Crabbe Comminution machine
RU2478433C1 (en) * 2011-09-23 2013-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Сибирский государственный индустриальный университет" Three-jaw crusher

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE15179E (en) * 1921-08-16 Bock-crttsheb
FR721266A (en) * 1930-08-13 1932-03-01 Krupp Fried Grusonwerk Ag Jaw Crusher
GB429461A (en) * 1933-09-08 1935-05-30 William Louis Wettlaufer Improvements relating to crushers for stone or like material
US2626759A (en) * 1949-05-07 1953-01-27 Hiram L Barber Jaw crusher
DE2530184A1 (en) * 1975-07-05 1977-01-20 Horst Papenmeier Grinding or mixing mill - has pointed pestle rotated eccentrically in mortar with round edged aperture
SU1042797A1 (en) * 1982-05-04 1983-09-23 Всесоюзный научно-исследовательский институт нерудных строительных материалов и гидромеханизации Jaw crusher
AT378698B (en) * 1980-12-03 1985-09-10 Voest Alpine Ag SWING MILL
SU1351658A1 (en) * 1985-02-01 1987-11-15 Министерство Промышленности Строительных Материалов Ссср Jaw crusher

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE15179E (en) * 1921-08-16 Bock-crttsheb
FR721266A (en) * 1930-08-13 1932-03-01 Krupp Fried Grusonwerk Ag Jaw Crusher
GB429461A (en) * 1933-09-08 1935-05-30 William Louis Wettlaufer Improvements relating to crushers for stone or like material
US2626759A (en) * 1949-05-07 1953-01-27 Hiram L Barber Jaw crusher
DE2530184A1 (en) * 1975-07-05 1977-01-20 Horst Papenmeier Grinding or mixing mill - has pointed pestle rotated eccentrically in mortar with round edged aperture
AT378698B (en) * 1980-12-03 1985-09-10 Voest Alpine Ag SWING MILL
SU1042797A1 (en) * 1982-05-04 1983-09-23 Всесоюзный научно-исследовательский институт нерудных строительных материалов и гидромеханизации Jaw crusher
SU1351658A1 (en) * 1985-02-01 1987-11-15 Министерство Промышленности Строительных Материалов Ссср Jaw crusher

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Soviet Inventions Illustrated, Sektion P, Woche 84/23, Ausgabe 18. Juli 1984, Klasse P41, Nr. 84-145509/23, Derwent Publications Ltd (London, GB), & SU-A-1042797 (Non-Ore Cons Mat Inst) 23. September 1983 *
Soviet Inventions Illustrated, Sektion P, Woche 88/23, Ausgabe 9. Juni 1988, Klasse P41, Nr. 88-160011/23, Derwent Publications Ltd (London, GB), & SU-A-1351658 (Cons Material Ind) 15. November 1987 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6058632A (en) * 1997-11-07 2000-05-09 Hawkins; Peter Arthur Taylor Tool holder with percussion member
GB2373462A (en) * 2001-03-22 2002-09-25 Robert Anthony Crabbe Comminution machine
RU2478433C1 (en) * 2011-09-23 2013-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Сибирский государственный индустриальный университет" Three-jaw crusher

Also Published As

Publication number Publication date
EP0417100A1 (en) 1991-03-20
JPH03504460A (en) 1991-10-03

Similar Documents

Publication Publication Date Title
DE2851320A1 (en) CUTTING OR Demolition device for breaking off and crushing reinforced concrete
DE4013126A1 (en) DEMOLITION DEVICE
EP0588382A2 (en) Jaw crusher
DE202006019687U1 (en) Beating arrangement for controlled crushing of materials has tooth shaped impact and cutting element, which are composed of two impact surfaces, which are arranged at certain angle to each other
AT397045B (en) ROTARY JAW CRUSHERS
DE19914522C2 (en) Breaking tool, especially chisel, with grooves
DE2233944A1 (en) DEVICE FOR CRUSHING LUMPS OF PARTICULAR MATERIAL
WO1998042443A1 (en) Crushing machine housing
WO1990010501A1 (en) Process for crushing hard materials with oscillating jaw crusher
EP0486871B1 (en) Method for assisting the crushing capacity of demolition apparatus and apparatus used in such method
DE3935882A1 (en) CRUSHING DEVICE
WO1998036835A1 (en) Jaw crusher
DE494038C (en) Stone crusher with fixed and swinging jaw, in which the swinging jaw is driven simultaneously by two eccentrics
DE4209278B4 (en) Roller segment breaker
CN206435760U (en) A kind of alloy material breaker
DE3939598C2 (en) Impact crusher
DE19506434C1 (en) Machine for breaking up porous stones on chunks of similar material
CN112206897A (en) Crusher for waste building structures
DE9401617U1 (en) Jaw crusher for coarse and medium size crushing of hard materials
CN219190682U (en) Powder mixing mechanism
CN110253488A (en) A kind of tup splitter
AT3862U2 (en) CRUSHING DEVICE ACCORDING TO THE PRINCIPLE OF ROTOR CRUSHING
CN213133440U (en) Reducing mechanism is used in cement processing
CN217450286U (en) Hubei province that possesses dust suppression anti-sticking material processing effect breaks machine
CN219111745U (en) Recycled concrete crushing equipment

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU JP SU US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT DE FR GB IT SE

WWE Wipo information: entry into national phase

Ref document number: 1989903026

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1989903026

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1989903026

Country of ref document: EP