US2793583A - Continuous press - Google Patents

Continuous press Download PDF

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Publication number
US2793583A
US2793583A US413391A US41339154A US2793583A US 2793583 A US2793583 A US 2793583A US 413391 A US413391 A US 413391A US 41339154 A US41339154 A US 41339154A US 2793583 A US2793583 A US 2793583A
Authority
US
United States
Prior art keywords
shaft
discs
disc
housing
lever
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
US413391A
Other languages
English (en)
Inventor
Hjalmar S Messing
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.)
Davenport Machine & Foundry Co
Original Assignee
Davenport Machine & Foundry Co
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
US case filed in Nevada District Court litigation Critical https://portal.unifiedpatents.com/litigation/Nevada%20District%20Court/case/2%3A13-cv-02042 Source: District Court Jurisdiction: Nevada District Court "Unified Patents Litigation Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
Priority to NL195045D priority Critical patent/NL195045A/xx
Priority to BE535291D priority patent/BE535291A/xx
Priority to NL93890D priority patent/NL93890C/xx
Application filed by Davenport Machine & Foundry Co filed Critical Davenport Machine & Foundry Co
Priority to US413391A priority patent/US2793583A/en
Priority to FR1121016D priority patent/FR1121016A/fr
Priority to DEA21995A priority patent/DE1293595B/de
Priority to GB3732/55A priority patent/GB768870A/en
Priority to CH330974D priority patent/CH330974A/de
Publication of US2793583A publication Critical patent/US2793583A/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/20—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
    • B30B9/202—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs with co-operating cones
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills

Definitions

  • a further object of the invention is to provide a press of the type indicated including improved means for adjusting the normal spacing between the discs and for adjusting the biasing force on said one disc.
  • Fig. 1 is a vertical sectional view through a press constructed in accordance with the invention
  • Fig. 2 is a top plan view of the same, and to which has been added means for controlling the spacing between the discs;
  • Fig. 3 is a sectional view, taken substantially on the line 33 of Fig. 1, looking in the direction of the arrows;
  • Fig. 4 is a side elevation of a part of the press shown in Fig. 2 with a modified pressure control and feed control mechanism substituted for the space controlling means shown in Fig. 2;
  • 1 indicates the supporting base of the press, and which can be mounted upon legs or other suitable supporting elements, portions of which are shown at 2.
  • the base 1 is provided with elevated parts indicated respectively at 3 and 4, upon each of which is mounted a bearing housing 5.
  • Mounted in each of the housings 5 is a sleeve 6 at one end of which is provided the roller bearing 7 and a closure plate 7a.
  • Fitted in the opposite end of the sleeve 6 is a cap 8,
  • a sprocket 18 driven by a chain 19, extending around a sprocket 20, fitted on the shaft 20a of a reduction gear box 21 coupled to an electric motor 22, supported on a platform 23 secured to flanges 24 formed on the two housings 5.
  • the shaft 13 is disposed at a slight angle to horizontal, preferably, but not necessarily, at an angle of approximately two to two-andone-half degrees, and as shown in Fig. 2, the shaft is also disposed at a slight angle to vertical for example of about three-and-one-half degrees.
  • the rotated pressure disc 14, and its companion disc 25 to be described have opposing faces which move toward and away from each other being oppositely inclined, the minimum distance between the discs being at the bottom or lower portion of the press.
  • the pressure disc 25 is similar in all respects to the companion disc 14 and each of these discs consists primarily in a spider-like structure of circular shape fixed on its shaft.
  • Disc 14 is secured on the shaft 13 and is thus rotated by the drive means just described, and consisting primarily of the sprockets 18 and 20, chain 19 connecting the same, and the motor and gear drive for the sprocket 20.
  • disc 14 is the driven disc.
  • the disc 25 is secured on a shaft 26 similar in all respects to the shaft 13 except that the shaft 26 preferably is not positively driven but is free to remain stationary or to rotate under the pressure of material or stock interposed between it and the disc 14.
  • the shaft 26, and thus the disc 25 carried by it has a limited axial movement under pressure of the material.
  • the axial movement is attained by allowing the sleeve 6 around the shaft 26 to slide axially within the housing 5 to a limited extent.
  • the shaft 26 need not be provided with a projecting end.
  • the outer end of the sleeve 6 in which the said shaft is contained is closed in one embodiment of the invention by the closure plate 27.
  • each of the two discs 14 and 25 are covered by segmental perforated plates 28, secured to discs by the bolts 29, and the outer surfaces of the plates 28 are covered by screening 30 or other foraminous material.
  • the two discs 14 and are rotative within a housing 50 of cylindrical formation to closely fit the discs, said housing including the annular wall 31 and the end walls 32 and 33.
  • the end wall 32 is apertured as at 34 to permit of the passage of the shaft 13, while the wall 33 is similarly apertured at 35 to permit of the passage of the shaft 26.
  • the walls 32 and 33 may be removably mounted on the annular wall 31 in any conventional mannet, and if desired they may be made of transparent ma terial so as to render the operation of the parts within the housing visible from the outside.
  • Each of the shafts 13 and 26 is provided with a pair of drip flanges 36 arranged on opposite sides of the end wall of the housing through which the shaft extends.
  • any of the liquid expressed out of the material being compressed between the discs 14 and 25, and tending to flow along either of the shafts will be caused to be deflected, or be caused to drip downwardly into the housing of the discs or else be directed thereinto by means of the gutter 37, located below the shaft 13 or 26.
  • the liquid expressed out of the material can drain out of the housing through apertures 33 formed in the annular wall 31, and run down through the drain pipe 39 to a suitable catch receptacle.
  • a segmental plate 40 Extending vertically downward from the upper portion of the annular wall of the housing is a segmental plate 40 which extends down between the two pressure discs 14 and 25, and the opposite ends of the plate 40 are connected to walls 41 and 42.
  • the wall 41 forms a part of the inlet passage 43 through which the material is fed into the press.
  • One of the walls indicated at 44 of the outlet passage 45 is secured to the wall 42.
  • a collar 4-6 is provided and the same fits in a groove provided in the hubs of discs 14 and 25 and also in the center part of the screen plate 30 and around the ends of the shafts 13 and 26.
  • the collar 46 is supported by the plate 40 and walls 41 and 42.
  • Fig. 5 the press is shown connected to the hopper 56 into which the material is delivered from a trough 57 in which a feed screw 58' is operative.
  • a vertical feed screw 58 Rotative within the hopper 56 is a vertical feed screw 58 having its lower end operative in a contracted cylindrical outlet 59 in which force feeding occurs to deliver the material down through the inlet [passage 43' and into the press to be compressed by the discs 14 and 25.
  • the vertical feed screw 58 is rotated by a gear reducer 60 driven from electric motor 61 which drives the gear reducer by means of the belt 62 extending about pulleys provided on the motor shaft and gear reducer shaft respectively.
  • FIG. 4 A means for controlling the operation of the motor 61 and hence the feed of material from the hopper 56 into the press, is shown in Fig. 4 wherein it will be observed that one end of the sleeve 6 around the shaft 26 is provided with lugs 63 wherein a lever 64 is pivoted at 65 near one of its ends. At said end of the lever a link 66 is pivoted at 67, the opposite end of the link 6 6'being pivoted at 68 to a cross bar or bracket 69 having its ends mounted upon rods 70 secured in bosses '71 formed on the housing 5.
  • the cross bar 69 is adjustable on the rods 70 and can be fixed in any required position thereon by means of the nuts 72.
  • the lever 64 is pivoted at 73 to a block 74 fitted on a rod or spring bolt '75.
  • the rod has a square or non-round head 76 at one end by means of which it is threadably adjustable through a square nut 77 movable along the calibrated surface 78 of a bracket 79 on the housing 5.
  • a coil spring 80 surrounds the rod 75 and is interposed between the nut 77 and the tubular part 81 of the bracket 79.
  • Adjustable through the lever 64 is a stop screw 82.
  • a switch finger 83 Secured to and projecting from the lever 64 at a point between its pivots 65 and 73, is a switch finger 83 which has an inclined end 84 operative against a roller 85 rotatively carried at the end of a pivotal switch arm 86.
  • the switch arm 86 and roller 85 carried thereby constitute parts of a switch 87 in circuit to motor 61 and thus controlling operation of the motor.
  • This arrangement is such that when material within the press builds up between the discs 14 and 25 for any reason, to an undesired extent, the pressure against the disc 25 will move said disc and the shaft 26 thereof axially, thus also moving the sleeve 6 located around said shaft, in the same direc- *tion. This will cause movement of lever 64 toward the right in Fig. 4- and with such movement the switch finger 83 will open the switch 87 whereby the circuit to the motor 61 will be broken and rotation of the feed screw 58 discontinued.
  • the feed screw 58 will remain out of operation until pressure of the material between the discs 14 and 25 is reduced, whereupon lever 64, moving to the left, will release the switch finger 83 on the switch arm 86 and permit the switch to close and again set the motor 61 in operation.
  • the switch 87 can also be arranged so that a greater movement of the switch finger, such as might be caused by an obstruction entering between the discs 14 and 25, will cause the motor 22 to be also shut off and thus rotation of the disc 14 discontinued.
  • a lever 89 is centrally pivoted at 90 between the lugs 91 on the end of the sleeve 6.
  • the end 92 of the lever 89 bears against the head 93 of a springpressed rod 94 which is slidable through a boss 95 at the end of a bar or bracket 96, mounted on'the rods 70 extending from the housing 5.
  • a coil spring 97 is interposed between the head 93 of the rod 94 and the boss 95 and the pressure of the spring is regulated by one or more nuts 98 threadably received on the rod 94.
  • a boss 99 through which a rod 100 is slidable, said rod being also slidable through the boss 101 provided at the second end of the bar or bracket 96.
  • a head 102 is provided on one end of the rod 100, and a coil spring 103 surrounds the rod between the head 102 and the boss 101. It will be apparent that by adjustment of the nut 104 on the rod 100, the pressure of the spring 103 can be regulated and thus the resistance of the spring 103 to movement of lever 89 controlled.
  • the lever 89 is connected to the bar or bracket 96 by a link 107 which has one end pivotally connected at 108 to bracket 96 and the other end pivoted at 109 to lever 89.
  • the axially movable disc 25 can be positioned at a selected distance from the rotative disc 14 while retaining the desired angular relation thereto.
  • the disc 25 is in its innermost position for the shown setting of the spacing control, engagernent of the bosses 99 and 101 preventing further inward movement of the disc.
  • the bracket 96 is adjustable, outwardly and inwardly, respectively, on the rods 70, adjustment being accomplished by means of the nuts 72.
  • the disc 25 can move away from the disc 14 against the pressure of the spring arrangement just described until the pressure between the discs is reduced to an extent where it is overcome by the pressure of the springs 97 and 103.
  • the material to be treated by the press is delivered into the same from hopper 56 through the inlet passage 43 to descend between the two discs 14 and 25.
  • the angular inclination of the opposing faces of the two discs is such that the discs come progressively closer to one another as they near the discharge outlet and thus the material is compressed progressively from its entry into the press until it reaches a point just ahead of its discharge, whereupon the discs move away from one another and the material is discharged to descend into the trough 105 in which a screw conveyor 106 is operative to carry the material away.
  • the water or other liquid in the material is extracted by the pressure of the discs and it passes through the perforated screens 30 and apertured plates 28 to pass out through the apertures 38 to descend into the outlet pipe 39. Any water or other liquid tending to follow the shafts 13 and 26 will be deflected by the drip flanges 36 and will be captured by the lower portion of the housing and enter into the outlet pipe 39.
  • a contact plate 51 of arcuate form provides contact with the peripheries of the discs for a portion of their revolutions. The feed of the material between the discs will be controlled by the means heretofore described.
  • a frame a housing on said frame, a pair of discs arranged in spaced facial relation in said housing, each of said discs having a shaft extending therefrom first bearing means rotatably supporting one of said shafts on said frame and retaining said one shaft against axial movement with respect to said housing, second bearing means rotatably and slidably supporting the other of said shafts on said frame to accommodate inward and outward axial movement of said shaft whereby the disc on said other shaft is mounted for movement axially toward and away from the disc on said one shaft, and means for regulating the spacing between said discs, said means including a supporting member adjustably mounted on said frame adjacent the end of said other shaft, a lever pivotally mounted on said member and operatively associated with said other shaft adjacent the end thereof, abutment means offset from the axis of said other shaft and operatively associated with said lever to define a limit of inward movement of said other shaft toward said one shaft, said member and abutment means being adjustable to
  • a frame a housing on said frame, a pair of discs arranged in facial relation in said housing, feed means for delivering material to said housing and between said discs, each of said discs including a shaft, first bearing means rotatably supporting one of said shafts on said frame and retaining said one shaft against axial movement with respect to said housing, second bearing means supporting the other of said shafts on said frame, said second bearing means including a first bearing element rotatably supporting said other shaft and retaining said other shaft 5: against axial movement with respect thereto and a second bearing element slidably supporting said first bearing element to accommodate movement of the disc on said other shaft axially toward and away from the disc on said one shaft, means regulating the axial movement of said other shaft, said regulating means including a supporting member adjustably mounted on said frame adjacent the end of said other shaft, a lever pivotally mounted on said member and pivotally connected to said first element of said second bearing means, and spring means biasing one end of said lever in a direction to move the

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Paper (AREA)
US413391A 1954-03-01 1954-03-01 Continuous press Expired - Lifetime US2793583A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL195045D NL195045A (de) 1954-03-01
BE535291D BE535291A (de) 1954-03-01
NL93890D NL93890C (de) 1954-03-01
US413391A US2793583A (en) 1954-03-01 1954-03-01 Continuous press
FR1121016D FR1121016A (fr) 1954-03-01 1955-01-27 Presse pour travail en continu
DEA21995A DE1293595B (de) 1954-03-01 1955-01-31 Kegelscheibenpresse
GB3732/55A GB768870A (en) 1954-03-01 1955-02-08 Continuous press for separating liquids from solids
CH330974D CH330974A (de) 1954-03-01 1955-02-14 Presse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US413391A US2793583A (en) 1954-03-01 1954-03-01 Continuous press

Publications (1)

Publication Number Publication Date
US2793583A true US2793583A (en) 1957-05-28

Family

ID=23637035

Family Applications (1)

Application Number Title Priority Date Filing Date
US413391A Expired - Lifetime US2793583A (en) 1954-03-01 1954-03-01 Continuous press

Country Status (7)

Country Link
US (1) US2793583A (de)
BE (1) BE535291A (de)
CH (1) CH330974A (de)
DE (1) DE1293595B (de)
FR (1) FR1121016A (de)
GB (1) GB768870A (de)
NL (2) NL195045A (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053171A (en) * 1957-10-28 1962-09-11 Arne Johan Arthur Asplund Continuous disc type press
US3105434A (en) * 1960-07-22 1963-10-01 Black Clawson Co Cone press
US3204551A (en) * 1963-05-24 1965-09-07 Black Clawson Co Cone press
US3288293A (en) * 1962-02-22 1966-11-29 Hermann Essel Pressure filter
US3357345A (en) * 1965-02-02 1967-12-12 Rice Barton Corp Apparatus for liquid removal
US3559567A (en) * 1968-07-06 1971-02-02 Ryutaro Yoritomi Continuous squeezing apparatus of a rotary disc type
US3774528A (en) * 1970-12-04 1973-11-27 Reinhall Rolf Disc type press
US4113620A (en) * 1976-10-26 1978-09-12 Thomsen Eigild S Pulp press having a planar dewatering disc below an annular press chamber
US4170935A (en) * 1977-10-17 1979-10-16 Brown International Corporation Fruit juice extraction apparatus
US4207811A (en) * 1976-08-11 1980-06-17 Lehampton Farms, Inc. Dewatering press
US20050000917A1 (en) * 2001-07-05 2005-01-06 Pierre Cote Method and apparatus for extracting liquid present in a humid mass
US20080223773A1 (en) * 2005-10-28 2008-09-18 Joseph Dendel Rotary Fan Press
US20100012573A1 (en) * 2008-07-14 2010-01-21 Dendel Joseph W Rotary fan press
US7895943B2 (en) 2004-08-09 2011-03-01 Prime Solution, Inc. Rotary fan press
US20150151214A1 (en) * 2013-08-12 2015-06-04 Melvin Mitchell Biomass fractionation and extraction methods
US11181145B2 (en) * 2017-08-09 2021-11-23 Hermann Schwelling Bearing arrangement and thus equipped processing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111115A (en) * 1977-05-23 1978-09-05 Bepex Corporation Continuous filter press

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1739A (en) * 1840-08-25 Machine for grinding
US271161A (en) * 1883-01-23 Wine and cider press
GB190004338A (en) * 1900-03-07 1901-06-07 Allison Bell Lennox Improvements in Apparatus for Drying Wet or Humid Materials by Pressure.
US783428A (en) * 1904-07-26 1905-02-28 John Porter Golden Feed-box for cane-mills.
US1331016A (en) * 1919-04-18 1920-02-17 Kruse August Sugar-cane mill
US1365521A (en) * 1920-05-05 1921-01-11 Mcneil Charles Sugar-cane mill
FR633430A (fr) * 1926-08-23 1928-01-28 Appareil pour le broyage et le pressurage des fruits, légumes ou autres
US1762379A (en) * 1927-04-25 1930-06-10 Westinghouse Electric & Mfg Co Coal pulverizer
US2083462A (en) * 1934-06-06 1937-06-08 Long Thomas Adam Disintegrating machinery
US2146158A (en) * 1936-04-06 1939-02-07 Charles F Scherer Continuous press
US2249736A (en) * 1938-06-24 1941-07-22 Anderson Co V D Screw press
US2494195A (en) * 1945-10-24 1950-01-10 Farrel Birmingham Co Inc Cane mill
US2646745A (en) * 1949-03-24 1953-07-28 American Baler Co Baling machine
US2674396A (en) * 1949-12-17 1954-04-06 St Regis Paper Co Deaerating device for pulverulent material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE311207C (de) *
GB269612A (en) * 1925-12-09 1927-04-11 William Dryden Improvements in machines for compressing and moulding or extruding materials
GB344003A (en) * 1929-11-20 1931-02-20 William Dryden Improvements in machines for compressing and extruding or moulding substances
DE656535C (de) * 1932-11-01 1938-02-08 Rolf Ammann Dr Ing Ununterbrochen arbeitendes Pressschneckenfilter
NL39529C (de) * 1933-11-07
US2658445A (en) * 1950-10-23 1953-11-10 Wilen Rolf Karl Engelbrekt Arrangement in a screw press for squeezing out water

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1739A (en) * 1840-08-25 Machine for grinding
US271161A (en) * 1883-01-23 Wine and cider press
GB190004338A (en) * 1900-03-07 1901-06-07 Allison Bell Lennox Improvements in Apparatus for Drying Wet or Humid Materials by Pressure.
US783428A (en) * 1904-07-26 1905-02-28 John Porter Golden Feed-box for cane-mills.
US1331016A (en) * 1919-04-18 1920-02-17 Kruse August Sugar-cane mill
US1365521A (en) * 1920-05-05 1921-01-11 Mcneil Charles Sugar-cane mill
FR633430A (fr) * 1926-08-23 1928-01-28 Appareil pour le broyage et le pressurage des fruits, légumes ou autres
US1762379A (en) * 1927-04-25 1930-06-10 Westinghouse Electric & Mfg Co Coal pulverizer
US2083462A (en) * 1934-06-06 1937-06-08 Long Thomas Adam Disintegrating machinery
US2146158A (en) * 1936-04-06 1939-02-07 Charles F Scherer Continuous press
US2249736A (en) * 1938-06-24 1941-07-22 Anderson Co V D Screw press
US2494195A (en) * 1945-10-24 1950-01-10 Farrel Birmingham Co Inc Cane mill
US2646745A (en) * 1949-03-24 1953-07-28 American Baler Co Baling machine
US2674396A (en) * 1949-12-17 1954-04-06 St Regis Paper Co Deaerating device for pulverulent material

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053171A (en) * 1957-10-28 1962-09-11 Arne Johan Arthur Asplund Continuous disc type press
US3105434A (en) * 1960-07-22 1963-10-01 Black Clawson Co Cone press
US3288293A (en) * 1962-02-22 1966-11-29 Hermann Essel Pressure filter
US3204551A (en) * 1963-05-24 1965-09-07 Black Clawson Co Cone press
US3357345A (en) * 1965-02-02 1967-12-12 Rice Barton Corp Apparatus for liquid removal
US3559567A (en) * 1968-07-06 1971-02-02 Ryutaro Yoritomi Continuous squeezing apparatus of a rotary disc type
US3774528A (en) * 1970-12-04 1973-11-27 Reinhall Rolf Disc type press
US4207811A (en) * 1976-08-11 1980-06-17 Lehampton Farms, Inc. Dewatering press
US4113620A (en) * 1976-10-26 1978-09-12 Thomsen Eigild S Pulp press having a planar dewatering disc below an annular press chamber
US4170935A (en) * 1977-10-17 1979-10-16 Brown International Corporation Fruit juice extraction apparatus
US20050000917A1 (en) * 2001-07-05 2005-01-06 Pierre Cote Method and apparatus for extracting liquid present in a humid mass
US7166229B2 (en) * 2001-07-05 2007-01-23 Les Industries Fournier Inc. Method and apparatus for extracting liquid present in a humid mass
US7895943B2 (en) 2004-08-09 2011-03-01 Prime Solution, Inc. Rotary fan press
US7946225B2 (en) 2004-08-09 2011-05-24 Prime Solution, Inc. Rotary fan press
US20110219961A1 (en) * 2004-08-09 2011-09-15 Joseph Dendel Rotary fan press
US8091474B2 (en) 2004-08-09 2012-01-10 Prime Solution, Inc. Rotary fan press
US20080223773A1 (en) * 2005-10-28 2008-09-18 Joseph Dendel Rotary Fan Press
US7975854B2 (en) 2005-10-28 2011-07-12 Prime Solution, Inc. Rotary fan press
US20100012573A1 (en) * 2008-07-14 2010-01-21 Dendel Joseph W Rotary fan press
US8662315B2 (en) 2008-07-14 2014-03-04 Prime Solution, Inc. Rotary fan press
US20150151214A1 (en) * 2013-08-12 2015-06-04 Melvin Mitchell Biomass fractionation and extraction methods
US9718001B2 (en) * 2013-08-12 2017-08-01 Green Extraction Technologies Biomass fractionation and extraction methods
US11181145B2 (en) * 2017-08-09 2021-11-23 Hermann Schwelling Bearing arrangement and thus equipped processing device

Also Published As

Publication number Publication date
BE535291A (de)
GB768870A (en) 1957-02-20
FR1121016A (fr) 1956-07-19
CH330974A (de) 1958-06-30
NL195045A (de)
DE1293595B (de) 1969-04-24
NL93890C (de)

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