US3223334A - Apparatus for the size reduction of refuse - Google Patents

Apparatus for the size reduction of refuse Download PDF

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Publication number
US3223334A
US3223334A US29079263A US3223334A US 3223334 A US3223334 A US 3223334A US 29079263 A US29079263 A US 29079263A US 3223334 A US3223334 A US 3223334A
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US
United States
Prior art keywords
frame
refuse
shearing
frame member
piston
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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
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English (en)
Inventor
Wuthrich Fritz
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.)
Von Roll AG
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Von Roll AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • 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
    • 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
    • B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
    • 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
    • B02C1/04—Jaw crushers or pulverisers with single-acting 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
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly

Definitions

  • the present invention generally relates to an improved apparatus for the size reduction of refuse, particularly refuse which is to be destroyed by combustion.
  • the present invention therefore has as one of its primary aims to provide an improved apparatus for the size reduction of refuse in which such aforementioned disadvantages are overcome and, above all, to ensure for the necessary adaptation or accommodation of the apparatus to the properties of the refuse to be burned.
  • the apparatus of the present invention is characterized by the fact that there is provided two frame members, at least one of which is rotatably or pivotably mounted at one end, and further by drive means for pivoting the rotatably mounted frame towards the other frame.
  • Both such frames are advantageously provided with shearing rods or means at least at the portions thereof bounding the pivot axis, with the shearing 3,223,334 Patented Dec. 14, 1965 means of any one frame being offset with respect to the shearing means of the other frame in such a manner that, the aforesaid shearing means of both frames intermesh or interengage with one another in comb-like fashion in the one extreme position of the pivotable frame.
  • Another important object of this invention is to provide an improved apparatus for reducing in size refuse which is to be destroyed, comprising a pair of frame members, at least one of which is pivotable towards the other, drive means for each such pivotable frame member, with said frame members being provided with interfitting shearing means.
  • Yet a further object of this invention is to provide improved apparatus for the size reduction of refuse comprising frame means mounted for relative pivotal movement away from and towards one another, into an opening and closing position, respectively, drive means for said frame means, and control means for said drive means presettable to a specific maximum closing force for limiting the closure stroke of the pivotable frame or frames, whereby such pivotal frame or frames upon reaching a position corresponding to the maximum preset closure.
  • FIGURE 2 illustrates details, in plan view, of a portion of the apparatus shown in FIGURE 1;
  • FIGURE 1 there is depicted a frame member 1 which is stationarily arranged internally of a suitable housing open at its upper and lower end (not shown).
  • a second frame member 2 is pivotably connected through the agency of a link or hinge connection 3 with the lower end of the stationary frame 1, so that the aforesaid frame 2 can be pivoted or rocked towards and away from the frame 1.
  • a hydraulic or pneumatic cylinder 4 which for example is operated by a pressurized oil medium, rests at its lower end upon a rigid support 5 and is connected to said support via a hinge member 6.
  • Both of the frames 1 and 2 are equipped at their lower portions with spaced shearing rods or elements defining shearing means 15 and 15', respectively, which extend approximately vertical to the pivot axis 3' of the hinge connection 3, as such is best seen for example in FIGURE 2, depicting in plan view the lower region of the pivotable frame 2.
  • sheaving means 15, 15, shown by way of illustration as formed of spaced strip members, are profiled in such a manner, and offset with respect to one another from frame to frame that, when the frame 2 is rocked towards the stationary frame 1, that is to say, into its closing position depicted in phantom lines in FIGURE 2, the shearing means of the one frame, such as frame 2, always engages or interfits in a comb-like manner with the window-shaped spaces or recesses 15a formed by the shearing means of the other frame 1.
  • the recesses 15a extend completely throughout the thickness of the corresponding frame members 1 and 2, so that the spaced strips of shearing means 15' of frame member 2 can completely pass through the recesses 15a of the shearing means 15 of frame member 1.
  • a resilient or spring-biased shutter or cover member 16 is arranged at the external side of the stationary frame 1 and is secured at a location 16a to the frame 1. This cover 16 closes the frame 1 which bears against said cover towards its lower end when the pivotable frame 2 is situated in its original or starting pivoting position, that is, in the open position thereof.
  • the resilient mounted cover or shutter 16 is adapted to be raised from the frame 1 first, and only then, when the shearing means 15 of the pivotable frame 2 which is advantageously arched in convex manner in the direction of closing, extends through the recesses 15a of the stationary frame 1, which occurs shortly before the frame 2 has reached its most extreme closing position; and finally, with further pivoting of the frame 2 into its end closing position takes along the shutter 16 against its spring force.
  • This open position of the shutter 16 is shown in phantom lines in FIGURE 1, with the shearing means 15 of the frame 2 extending through the shearing means 15 of the frame 1.
  • control means 13 for adjusting and controlling the infeed of the pressurized fluid medium, such as oil, from the pump 14b to the lower and upper face, respectively, of the piston member 7 slidably disposed in the cylinder 4.
  • the control means 13 advantageously comprises a slide valve cylinder 30 internally provided with a slide valve piston 31 including the spaced piston lands 32 and 33.
  • the interior of the slide valve cylinder 30 communicates with the high-pressure side of the pump 14b driven by motor 14a via a pressure line 34.
  • the adjustment member 42 has set the bias of the spring 43 to a predetermined resistance force of the refuse, with the slide valve piston 31 located in its full line position shown and with pressurized fluid medium supplied via line 11 to the bottom of the cylinder 4 to drive the frame 2 into its closing position i.e., to the left of FIGURE 1.
  • the pressurized fluid medium can be selectively admitted to one or the other side of the piston 7 as a function of the adjustment setting of the control means 13.
  • the dash-pot piston 45 retards such movement of the control piston 40, since the dash-pot oil can only move from the left end of the dash-pot cylinder 47 to the right end thereof via the opening 48, so that it is ensured that the slide valve piston 31 maintains its phantom line position for a length of time sufficient to return the piston 7 to the bottom end of the cylinder 4.
  • the manner of operation of the heretofore described apparatus is as follows:
  • the pivotable frame 2 is located in its open position depicted in FIGURE 1.
  • both of the frames 1 and 2 form a receiving mouth or hopper which opens towards the top, into which a charge of refuse to be reduced in size is introduced from above.
  • the piston 7 has applied to its lower face a pressurized fluid medium, such as oil, via the supply line 11, so that the piston 7 together with its piston rod 8 is moved upwardly in the cylinder 4 and, thereby, at the same time rocks the pivotable frame 2 towards the stationary frame 1.
  • the crushed and/or compressed material disposed between the two frames 1 and 2 slides downwardly.
  • the control device 13 again switches the oil infeed through the supply line 11 to the lower face of the piston 7, so that such piston is again upwardly displaced and the frame 2 is pivoted towards its closing position.
  • the material is once again acted upon, that is, is still further crushed and compressed, and indeed, with a larger efiective pressing or compression force than with the previous closing stroke, since in consequence of the dropping of the compressed material between the two frames 1 and 2 the effective lever arm with respect to the pivot axis 3' of the hinge 3 has become smaller.
  • shearing means With a sufiiciently small space between the stationary and the pivotable shearing means there is obtained an excellent shearing efiect, whereby the shearing means can be provided with suitable shearing or cutting edges formed of a hard material, whether such be obtained through a solid construction, reinforcement or built-up Welding of such shearing means.
  • Apparatus for the size reduction of refuse particularly for refuse to be destroyed by combustion, com prising a pair of cooperating and confronting frame members, means mounting at least one of said frame members for pivotal movement, drive means for pivoting the pivotal mounted frame member toward the other frame member, shearing means provided for both of said frame members at the portions of said frame members disposed adjacent to said mounting means and with the remainder of the confronting surfaces of said frame members providing the actual crushing surfaces for said refuse, said shearing means of each frame member incorporating spaced shearing elements providing a recess between each two neighboring shearing elements, said recess extending throughout the thickness of the corresponding frame member, said shearing elements of said shearing means of any one frame member being offset with respect to said shearing elements of the shearing means of the other frame member to permit comb-like interengagement of said shearing means of both frame members in one extreme position of said pivotal mounted frame member.
  • Apparatus for the size reduction of refuse comprising a pair of cooperating frame members movable into a first position for receiving refuse therebetween and into a second position for processing such refuse, means mounting at least one of said frame members for pivotal movement, drive means for pivoting the pivotal mounted frame member toward the other frame member, shearing means provided for both of said frame members at least at the lower portions of said frame members confronting one another, said shearing means of each frame member incorporating spaced shearing elements providing a recess between each two neighboring shearing elements, said recess extending throughout the thickness of the corresponding frame member, said shearing elements of said shearing means of any one frame member being offset with respect to said shearing elements of the shearing means of the other frame member to enable the shearing elements of a given frame member to move through the recesses of the other frame member, thus resulting in comb-like interengagement of said shearing means of both frame members in said second position of said frame members.
  • Apparatus for the size reduction of refuse comprising a pair of cooperating and confronting frame members mounted for relative movement toward and away from one another to assume a first position Wherein said frame members are spaced from one another to form a hopper for receipt of refuse and a second position wherein said frame members are closer to one another in order to process the refuse located between said frame members, drive means for imparting relative movement to said frame members, shearing means provided for each of said frame members, said shearing means of each frame member incorporating spaced shearing elements providing a recess between each two neighboring shearing elements, said recess extending throughout the thickness of the corresponding frame member, said shearing elements of said shearing means of any one frame member being offset with respect to said shearing elements of the shearing means of the other frame member to permit interengagement of said shearing means of both frame members in the extreme location of said second position.
  • Apparatus for the size reduction of refuse comprising a pair of cooperating and confronting frame members mounted for relative movement toward and away from one another to assume a first position wherein said frame members are spaced from one another to form a hopper including an infeed mouth for receipt of refuse and a second position wherein said frame members are closer to one another in order to process the refuse located between said frame members, drive means for imparting relative movement to said frame members, shearing means provided for each of said frame members at least at the respective ends thereof remote from said infeed mouth, said shearing means of each frame member incorporating spaced shearing elements providing a recess between each two neighboring shearing elements, said recess extending throughout the thickness of the corresponding frame member, said shearing elements of said shearing means of any one frame member being offset with respect to said shearing elements of the shearing means of the other frame member to enable intergripping of said shearing means of both frame members in the extreme location of said second position.
  • Apparatus for the size reduction of refuse comprising a pair of cooperating frame members for receiving refuse therebetween, means mounting at least one of said frame members at one end for pivotal movement, drive means for pivoting the pivotal mounted frame member towards the other frame member, shearing means provided for both of said frame members at leastat the ends of said frame members disposed adjacent to said mounting means, said shearing means of each frame member incorporating spaced shearing elements providing a recess between each two neighboring shearing elements, said recess extending throughout the thickness of the corresponding frame member, said shearing elements of said shearing means of any one frame member being offset with respect to said shearing elements of the shearing means of the remaining frame member to enable the shearing elements of a given frame member to move through the recesses of the other frame member, thus resulting in comb-like interengagement of said shearing means of both frame members in an extreme position of said pivotal mounted frame member.
  • Apparatus for the size reduction of refuse including means stationarily mounting the other of said frame members, with said one pivotal mounted frame member being pivotal toward the stationarily mounted frame member.
  • both of said frame members in an open position of said one pivotal mounted frame member are open toward their respective upper end remote from said mounting means, said mounting means of said one pivotal mounted frame member comprising a pivot shaft, said shearing elements of said shearing means of both frame members extending approximately vertical to the aforesaid pivot shaft.
  • Apparatus for the size reduction of refuse, particularly for refuse to be destroyed by combustion comprising a pair of cooperating coaxially mounted frame members for receiving refuse therebetween, means mounting at least one of said frame members at one end for pivotal movement, drive means for pivoting the pivotal mounted frame member towards the other frame member, shearing means provided for both of said frame members at least at the ends of said frame members disposed adjacent to said mounting means, said shearing means of any one frame member being offset with respect to the shearing means of the remaining frame member to permit comblike interengagement of said shearing means of both frame members in an extreme position of said pivotal mounted frame member.
  • Apparatus for the size reduction of refuse comprising a pair of cooperating frame members for receiving refuse therebetween, means mounting at least one of said frame members at one end for pivotal movement, drive means for pivoting the pivotal mounted frame member towards the other frame member, shearing means provided for both of said frame members at least at the ends of said frame members disposed adjacent to said mounting means, said shearing means of any one frame member being offset with respect to the shearing means of the remaining frame member to permit comb-like interengagement of said shearing means of both frame members in an extreme position of said pivotal mounted frame member, a resiliently mounted cover member provided at the external side of said other frame member in the region of said shearing means thereof to provide a down Wardly extending closure, said cover member being raised from said other frame member by said pivotal mounted frame member shortly before the latter has reached its most extreme closing position toward said other frame member, to enable dropping through of the size reduced refuse disposed between said shearing means.
  • Apparatus for the size reduction of refuse, particularly for refuse to be destroyed by combustion comprising a pair of cooperating frame members for receiving refuse therebetween, means mounting at least one of said frame members at one end for pivotal movement, said mounting means including a hinge connection for interconnecting both of said frame members, drive means for pivoting the pivotal mounted frame member toward the other frame member, shearing means provided for both of said frame members at least at the ends of said frame members disposed adjacent to said mounting means, said shearing means of any one frame member being offset with respect to the shearing means of the remaining frame member to permit comb-like interengagement of said shearing means of both frame members in an extreme position of said pivotal mounted frame member.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Actuator (AREA)
  • Processing Of Solid Wastes (AREA)
US29079263 1962-07-02 1963-06-26 Apparatus for the size reduction of refuse Expired - Lifetime US3223334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH787862A CH400046A (de) 1962-07-02 1962-07-02 Einrichtung zur Zerkleinerung von Müll

Publications (1)

Publication Number Publication Date
US3223334A true US3223334A (en) 1965-12-14

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US29079263 Expired - Lifetime US3223334A (en) 1962-07-02 1963-06-26 Apparatus for the size reduction of refuse

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US (1) US3223334A (es)
CH (1) CH400046A (es)
DE (2) DE1863602U (es)
FI (1) FI40764B (es)
FR (1) FR1344988A (es)
GB (1) GB984611A (es)
LU (1) LU42491A1 (es)
NL (2) NL140438B (es)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3346202A (en) * 1965-11-15 1967-10-10 Von Roll Ag Apparatus for the size reduction of refuse
US3386669A (en) * 1966-04-25 1968-06-04 Borden Co Ore slurry handling apparatus
US3386667A (en) * 1965-10-22 1968-06-04 Clinton E. May High frequency hydraulic actuated jaw crusher
US3709440A (en) * 1971-01-26 1973-01-09 Owens Illinois Inc Hydraulic powered bottle crusher
US3861604A (en) * 1973-07-20 1975-01-21 Bruun & Soerensen Jaw crushers for reducing refuse and waste to a suitable size
US4406412A (en) * 1980-11-13 1983-09-27 Bruun & Sorensen A/S Jaw crusher for bulky waste and like matter
US4749132A (en) * 1985-09-10 1988-06-07 Kawasaki Jukogyo Kabushiki Kaisha Method for crushing massive furnace slag using a swingable type crushing apparatus
DE9202701U1 (de) * 1992-02-29 1993-04-01 Fleisch, Kurt, Götzis Presse zum Komprimieren von Behältern u.dgl.
US5263654A (en) * 1992-11-03 1993-11-23 Blower Application Co. Inc. Pallet shredding apparatus
US5265530A (en) * 1992-05-19 1993-11-30 Jawz, Inc. Plastic bottle and can crusher
FR3012979A1 (fr) * 2013-11-14 2015-05-15 Awel Broyeur de produits enfermes dans des sacs comprenant au moins deux pales pivotantes
US20150375251A1 (en) * 2013-02-07 2015-12-31 Eisenmann Se Method for operating a surface treatment system
CN117160641A (zh) * 2023-11-02 2023-12-05 山东万雷机械科技有限公司 一种用于干法制砂机的细碎整形装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9204324U1 (de) * 1992-03-31 1993-09-02 Fischer, Reinhard, 38667 Bad Harzburg Einrichtung zur Entsorgung alter Fenster
PL173167B1 (pl) * 1993-03-27 1998-01-30 Achterkerke Heinz Egon Urządzenie do likwidacji starych oszklonych okien
AT403552B (de) * 1996-06-03 1998-03-25 Josef Wallner Vorrichtung zum zerkleinern von fenstern

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967240A (en) * 1930-12-06 1934-07-24 Mary E Guest Automatic control for crushing machines
US2377307A (en) * 1942-07-20 1945-06-05 Herbert S Simpson Mixer with pressure controlled mullers
US2620629A (en) * 1948-11-17 1952-12-09 Gauldie Kenneth Hydraulically-operated crusher of reciprocating type
US2950871A (en) * 1956-05-23 1960-08-30 Frog Switch & Mfg Co Crusher construction
US2962959A (en) * 1959-12-18 1960-12-06 Herbert Dale Sholin Jackscrew actuated crushing machine
US3140057A (en) * 1962-02-26 1964-07-07 Iowa Mfg Co Cedar Rapids Crusher jaw plates

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967240A (en) * 1930-12-06 1934-07-24 Mary E Guest Automatic control for crushing machines
US2377307A (en) * 1942-07-20 1945-06-05 Herbert S Simpson Mixer with pressure controlled mullers
US2620629A (en) * 1948-11-17 1952-12-09 Gauldie Kenneth Hydraulically-operated crusher of reciprocating type
US2950871A (en) * 1956-05-23 1960-08-30 Frog Switch & Mfg Co Crusher construction
US2962959A (en) * 1959-12-18 1960-12-06 Herbert Dale Sholin Jackscrew actuated crushing machine
US3140057A (en) * 1962-02-26 1964-07-07 Iowa Mfg Co Cedar Rapids Crusher jaw plates

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386667A (en) * 1965-10-22 1968-06-04 Clinton E. May High frequency hydraulic actuated jaw crusher
US3346202A (en) * 1965-11-15 1967-10-10 Von Roll Ag Apparatus for the size reduction of refuse
US3386669A (en) * 1966-04-25 1968-06-04 Borden Co Ore slurry handling apparatus
US3709440A (en) * 1971-01-26 1973-01-09 Owens Illinois Inc Hydraulic powered bottle crusher
US3861604A (en) * 1973-07-20 1975-01-21 Bruun & Soerensen Jaw crushers for reducing refuse and waste to a suitable size
US4406412A (en) * 1980-11-13 1983-09-27 Bruun & Sorensen A/S Jaw crusher for bulky waste and like matter
US4749132A (en) * 1985-09-10 1988-06-07 Kawasaki Jukogyo Kabushiki Kaisha Method for crushing massive furnace slag using a swingable type crushing apparatus
DE9202701U1 (de) * 1992-02-29 1993-04-01 Fleisch, Kurt, Götzis Presse zum Komprimieren von Behältern u.dgl.
US5265530A (en) * 1992-05-19 1993-11-30 Jawz, Inc. Plastic bottle and can crusher
US5263654A (en) * 1992-11-03 1993-11-23 Blower Application Co. Inc. Pallet shredding apparatus
US20150375251A1 (en) * 2013-02-07 2015-12-31 Eisenmann Se Method for operating a surface treatment system
FR3012979A1 (fr) * 2013-11-14 2015-05-15 Awel Broyeur de produits enfermes dans des sacs comprenant au moins deux pales pivotantes
CN117160641A (zh) * 2023-11-02 2023-12-05 山东万雷机械科技有限公司 一种用于干法制砂机的细碎整形装置
CN117160641B (zh) * 2023-11-02 2024-01-23 山东万雷机械科技有限公司 一种用于干法制砂机的细碎整形装置

Also Published As

Publication number Publication date
NL140438B (nl) 1973-12-17
GB984611A (en) 1965-02-24
DE1863602U (de) 1962-12-13
DE1878001U (de) 1963-08-22
LU42491A1 (es) 1962-12-08
NL287217A (es) 1900-01-01
FR1344988A (fr) 1963-12-06
FI40764B (es) 1969-01-31
CH400046A (de) 1965-10-15

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