US3618903A - Mixing and kneading device - Google Patents

Mixing and kneading device Download PDF

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Publication number
US3618903A
US3618903A US23796A US3618903DA US3618903A US 3618903 A US3618903 A US 3618903A US 23796 A US23796 A US 23796A US 3618903D A US3618903D A US 3618903DA US 3618903 A US3618903 A US 3618903A
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United States
Prior art keywords
shaft
mixing
kneading
set forth
kneading device
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
US23796A
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English (en)
Inventor
Fritz Ronner
Fritz Sutter
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Buss AG
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Buss AG
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Filing date
Publication date
Priority claimed from CH538769A external-priority patent/CH497195A/de
Application filed by Buss AG filed Critical Buss AG
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Publication of US3618903A publication Critical patent/US3618903A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/40—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
    • B01F31/401—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer for material flowing continuously axially therethrough
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/422—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing
    • B29B7/423—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing and oscillating axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/44—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/45—Axially movable screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
    • B01F35/531—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components with baffles, plates or bars on the wall or the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/681—Barrels or cylinders for single screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel

Definitions

  • Saffitz ABSTRACT A mixing and kneading device comprising a housing and a shaft mounted therein.
  • the shaft carries a con veyor helix and mixing and kneading vanes.
  • the vanes cooperate with stationary elements in the housing to carry out the kneading and mixing functions.
  • the shaft is rotated by a variable speed rotary motor and is also reciprocated to move the vanes toward and away from the stationary elements by a pressure fluid motor having its piston connected to the shaft.
  • the rate of reciprocations of the piston and shaft is cyclically controlled by a valve device which is actuated by a cam driven by a variable speed motor to thereby vary the number of reciprocations during a revolution of the shaft.
  • a second valve device regulates the flow of pressure fluid during a cycle to reduce or stop the flow of fluid to the piston near the end of the shafts stroke toward the stationary elements.
  • a wedge-shaped space forms between the obstacles and the flights of the rotating kneading member, and part of the kneaded material is forced through this space.
  • the mixing rate and kneading intensity may be varied, depending upon the selected shape and size of the kneading member and of the obstacles.
  • the dispersion and subdividing of the material in its flow influences the mixing and the ease of passage between kneading member flights and obstacles influences kneading.
  • the simultaneous rotation and to and fro movement results in a combined movement in a form resembling a sine curve in which the material throughput varies in proportion to the revolutions of the shaft of the kneading member.
  • An object of this invention is to provide a simple mixing and kneading device in which the ratio between throughout and mixing and kneading efficiency can be adapted continuously over a wide range to make the process especially useful for chemical reactions.
  • a mixing device having a cylindrical casing forming a mixing chamber, with a shaft arranged therein, which carries out simultaneous rotating and oscillating movement, the shaft provided with vanelike mixing or kneading elements cooperating with obstacles mounted inside the casing.
  • a single motor drive is provided for the rotational movement and an independent driving means is provided for the oscillating movement, so that the ratio of the rotary movement of the shaft to the reciprocating movement of he shaft can be varied in a continuous and advantageous manner.
  • a device according to the invention can be used advantageously in may fields where continuous processing is required for simultaneous mixing and kneading; for example, chemical reaction, polymerization, drying, heating or cooling, and countercurrent extractions.
  • FIG. 1 shows a section of a mixing and kneading device of the invention in which the driving means is not shown;
  • FIG. 2 is a showing of the development of the kneading shaft of FIG. 1 which includes in dotted lines with arrows the combined reciprocating and rotational movements;
  • FIG. 3 is a vertical section illustrating the independent driving arrangements for the rotary movement and for the reciprocating movement of the device of FIG. 1;
  • FIG. 4 is a vertical section of the mixing chamber of FIG. 1 illustrating the vacuum flange attachment for vacuum mixing and kneading;
  • FIG. 5 illustrates an embodiment of the invention useful for drying, heating and cooling or for solvent extraction, the driving means being omitted;
  • FIG. 6 is a sectional view on section line AA of FIG. 5.
  • the mixing and kneading device shown in FIG. 1 has a cylindrical casing 1 provided with a feed hopper inlet 2 for solids and an inlet 3 for liquids, pastes or fluidized powders, the casing being subdivided into a mixing chamber 9 at the feeding section and a kneading section 13 between the inlet and the outlet.
  • An outlet 4 is provided at the opposite end of the casing at the point most remote from the inlets 2 and 3.
  • Stationary kneading elements 5 are provided in the mixing chamber 9 of the casing and serve as obstacles for the material flow. These elements 5 can be inserted into the casing and fixedly secured to the casing from the outside. It is contemplated that the kneading elements may be fashioned with bores which serve as feeding tubes through which additional substances can be introduced into the mixing chamber.
  • a kneading shaft 6 is provided along the central longitudinal axis of the casing and is supported by main bearing 7 on the end of the shaftattached to the driving means. Additional bearing supports may be provided in the casing.
  • the shaft 6 is provided with closed screw flights 8 in the feeding section below feed inlet 2 to permit smooth, continuous delivery of material from the hopper to the mixing chamber 9.
  • the screw flights 8 serve the function of a conveyor helix on the shaft near the inlet.
  • the shaft 6 is also provided with mixing and kneading vanes 10 which are spaced longitudinally along the shaft in the feeding and kneading sections. Kneading elements 5 are inserted in a staggered helicoidal pattern within the casing l downstream of the conveyor helix near the inlet. The material is mixed and kneaded very intensely within the feeding section of the mixing chamber in advance of baffle ring 11 inserted in the casing I.
  • the worked material is pushed over this baffle ring into the kneading section 13 of the mixing chamber which is provided with an exhaust opening 14 to permit the withdrawal of volatiles in this zone which is used for degassing.
  • the baffle ring is located within the housing between the mixing and kneading vanes to divide the housing into a mixing section and a degassing section.
  • the opening 14 is covered by an observation window 20 and has a flange for connection to a vacuum (shown in FIG. 4).
  • Gap closing elements 15 are inserted between consecutive vanes 10 on the kneading shaft 6 near the outlet end of the mixing chamber. These gap closing elements serve as mechanical stops to prevent backflow of the material near the outlet die 4 from interfering with the material flowing through the degassing zone.
  • the entire kneading shaft 6 is hollow and is provided along its length with concentric heating or cooling tubes which pass in a heating or cooling medium at 16 and withdraw the medium at 17.
  • liquid inlet 3 is supplied by line 19 with predetermined portions of liquid from proportioning pump 18.
  • FIG. 2 is a view of the development of the screw flights 8 and the vanes 10 on the kneading shaft 6 and the three different positions, a, b c, and c, of fixed kneading elements 5 are shown in dottedlines and arrows in relation to the rotating kneading shaft. These positions, a, and c, result from three different ratios of rotation and reciprocating movement.
  • Dotted line a results when one longitudinal forward and back stroke is synchronized with one revolution of the shaft 6.
  • Dotted line b shows a double stroke per shaft revolution.
  • Dotted line 0 shows a double stroke for each shaft revolution and a stroke interruption occurring at the end points for a duration corresponding to of revolution.
  • the dotted lines illustrate regulation of periodically repeated wiping-off operations at the kneading vanes over their entire width.
  • FIG. 3 schematically shows the combined drive for the shaft 6 which is connected to hollow driving shaft 21 in line therewith.
  • the driving shaft 21 is guided in slide bearings and is driven through gear train 23, 24 by variable speed motor 22.
  • the end of the hollow driving shaft 21 is provided with inlet 25 and outlet 26 for heating or cooling medium.
  • the reciprocating movement is provided by a separate drive which is powered by a variable speed motor 27.
  • cam disc 29 Keyed on the output shaft 28 of motor 27 is cam disc 29.
  • the cam disc can be replaced to provide a different curve.
  • the curve of the cam disc governs the rapidity of the forward stroke and the slowness of the backward stroke. Variations in these rates are achieved by substituting discs.
  • the curved surface of the disc 29 guides the spring loaded head 30 of hydraulic regulating valve 32.
  • the regulating hydraulic valve 32 is a multiple-disc type fitted with cylinder 31, fed with fluid from pressure pump 33, and driven by pump motor 27 whose transmission is not shown.
  • the hydraulic passageways in the regulating valve 32 lead to working cylinder 34 mounted coaxially with hollow driving shaft 21, with working piston 35 interposed therebetween.
  • the piston 35 is clamped to the shaft 21 over ball bearings 37 in such manner that the driving shaft 21 rotates freely, but the piston does not rotate, the ball bearings resting against the face of the tightening nut 36 which is
  • the reciprocating movement to and at the turning point is controlled by a limit sensor having a bar transmission 41, the bar being pivoted on bearing point 43 and connected to the stem of sliding discs inside of the hollow stem of valve 32.
  • These sliding discs provide a superimposed bypass for the hydraulic fluid within the valve 32 and serve to maintain the hydraulic pressure at a desired value once the end position has been reached and until the curve on cam disc 29 causes the stem 30 to reverse.
  • the cam disc is curved to provide a holding position over 15 of are at the periphery of the disc; and, in this 15 arc, the reciprocating push-pull motion is stopped.
  • the hydraulic drive is assisted by the spring 40 which accumulates force during the backward stroke and expends this force to assist the forward stroke.
  • FIGS. 5 and 6 show an alternative embodiment for drying, heating or cooling, or solvent extraction in which the mixing and kneading device has a cylindrical casing 102 fed through hopper inlet 103 and exhausted at outlet 104.
  • the casing 102 is provided with shaft 105 mounted for rotating and reciprocating movement, the shaft being provided with pairs of mixing and kneading blades 106 mounted in diametric opposition.
  • the blades 106 scrape the inside walls of the casing and, in turn, are wiped by fixed scraping elements 107 which are inserted into the casing.
  • the scraping elements 107 are located in the upper right in the casing when the shaft turns clockwise.
  • the vacuum exhaust flange 108 is mounted on the casing near the discharge outlet 104 (FIG. 5).
  • Shaft is rigidly secured to the driving shaft 111, supported on the bearings 112, by a flange connection.
  • the combined rotating and reciprocating drive for shaft 1 11 is furnished by a variable speed motor in a case 109 which rests on pivotable support 110 on the same base plate 101 which supports the casing. This mounting permits proper alignment of the casing and motor during the reciprocating movement of shaft 111.
  • the push-pull movements of shaft 111 are controlled by piston 113, the rod 116 for the piston being keyed onto the end of the shaft 111 and the piston sliding in a rigidly mounted cylinder 114.
  • the velocity of the stroke may be regulated in the manner already illustrated and described in connection with FIGS. l-4.
  • the shafts 111 and 105 are hollow to permit circulation of a heating or cooling medium, and casing 102 is jacketed to permit heating or cooling.
  • the free space 119 can be used for evaporative drying.
  • Dwell time and throughput can be readily varied by changing the ratio of rotational to reciprocating movement. If the forward stroke is adjusted to occur with both blades in horizontal position, then both blades push the material forward. If the back stroke occurs with one blade in the filled position and one blade in the free space 119 (FIG. 6) in vertical position, then the backstroke will agitate only 50 to 55 percent of the material which was previously pushed forward. This permits a continuous or stepless adjustment between the horizontal and vertical positions, and the velocities of the forward and back strokes and of rotation may all be adjusted independently.
  • a mixing and kneading device comprising a housing having an inlet and discharge, a shaft mounted for rotation and reciprocation in said housing, spaced mixing and kneading vanes secured to said shaft, stationary kneading elements secured to the casing wall and cooperating with said vanes in the mixing and kneading functions, rotary means to rotate said shaft, reciprocating means to cyclically reciprocate said shaft to move said vanes toward and away from their cooperating stationary elements, means to control the speed of rotation and means to control the reciprocating means to vary the to and fro movement of said reciprocating means using different speeds for the forward and backward stroke.
  • a mixing and kneading device as set forth in claim 1, wherein the shaft is provided with a conveyor helix thereon near the inlet, said mixing and kneading vanes being helicoidally arranged on said shaft downstream of the helix, and wherein a baffle is located within the housing intermediate the vanes to divide said housing into a mixing section and a degassing section.
  • said reciprocating means is a pressure fluid motor comprising a relatively movable piston, a hollow piston rod, a valve stem and a cylinder, said rod being operatively connected to said shaft.
  • variable speed motor driven means comprises a variable speed motor, cam means rotated by said motor, and means operatively connecting said cam means to said valve device.
  • valve device comprises a valve casing, supply, exhaust and motor ports in said valve casing, a slidable, hollow piston type valve member having flow passages therein in said casing for selectively interconnecting said supply and exhaust ports to said motor ports to supply and exhaust pressure fluid to and from said cylinder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
US23796A 1969-04-02 1970-03-30 Mixing and kneading device Expired - Lifetime US3618903A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH538769A CH497195A (de) 1969-04-02 1969-04-02 Misch- und Kneteinrichtung
CH177870A CH507733A (de) 1969-04-02 1970-02-05 Misch- und Kneteinrichtung

Publications (1)

Publication Number Publication Date
US3618903A true US3618903A (en) 1971-11-09

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ID=25688645

Family Applications (1)

Application Number Title Priority Date Filing Date
US23796A Expired - Lifetime US3618903A (en) 1969-04-02 1970-03-30 Mixing and kneading device

Country Status (12)

Country Link
US (1) US3618903A (de)
JP (1) JPS5320711B1 (de)
BE (1) BE748279A (de)
CA (1) CA945542A (de)
CH (1) CH507733A (de)
DE (1) DE2014693A1 (de)
DK (1) DK131094B (de)
FI (1) FI55003C (de)
FR (1) FR2038173A1 (de)
GB (1) GB1266122A (de)
NL (1) NL7004651A (de)
NO (1) NO128519B (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771897A (en) * 1972-05-01 1973-11-13 Case Co J I Vibratory concrete placer
US3776529A (en) * 1970-09-01 1973-12-04 Buss Ltd Process for the dosable conveying of materials and device for carrying out the process
US3841611A (en) * 1972-07-14 1974-10-15 Buss Ag Mixing and kneading device
US4544277A (en) * 1982-06-25 1985-10-01 Oscar Schnellmann Mixer with slotted rotor and cleaner therefor
US4931212A (en) * 1984-03-19 1990-06-05 Aluminium Pechiney Process for continuous regulation of the power with which pastes intended for the fabrication of carbonaceous agglomerates are mixed
US5013503A (en) * 1989-02-06 1991-05-07 Aluminium Pechiney Process for continuous production of carbonaceous paste
WO1992013694A1 (de) * 1991-02-07 1992-08-20 Wacker-Chemie Gmbh Verfahren zur kontinuierlichen herstellung von htv-siliconmassen
US6431755B1 (en) 2000-08-11 2002-08-13 Loren T. Schneider Drive train for use with a kneader apparatus
US20070183253A1 (en) * 2006-02-06 2007-08-09 Buss Ag Mixing and Kneading Machine
WO2015074929A1 (de) * 2013-11-25 2015-05-28 Gneuss Gmbh Vorrichtung zur herstellung von polymeren
CN104723434A (zh) * 2011-12-16 2015-06-24 申清章 一种具有倾斜式弧形刀片的木屑搅拌机的搅拌装置
CN104984677A (zh) * 2015-07-24 2015-10-21 苏州硅果电子有限公司 一种粘稠液体材料混合搅拌装置
US20150367531A1 (en) * 2012-12-17 2015-12-24 B&P Process Equipment And Systems Llc Kneading method and apparatus
CN109499419A (zh) * 2018-11-07 2019-03-22 丹阳市美尔鑫化工有限公司 一种绿色环保型铝银浆制备专用捏合机
EP3473404A1 (de) * 2017-10-17 2019-04-24 Buss AG Misch- und knetvorrichtung
CN112090352A (zh) * 2020-09-26 2020-12-18 安徽省萧县黄河故道园艺场 一种用于新型墙体材料加工用混料装置
US11331634B2 (en) 2017-10-17 2022-05-17 Buss Ag Mixing and kneading machine with receiving areas for kneading elements, said receiving areas being distributed over the inner circumferential surface of the housing in a non-uniform manner
CN115121189A (zh) * 2022-08-23 2022-09-30 山东新港化工有限公司 一种非离子表面活性剂合成用酯化装置及其使用方法

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US3776529A (en) * 1970-09-01 1973-12-04 Buss Ltd Process for the dosable conveying of materials and device for carrying out the process
US3771897A (en) * 1972-05-01 1973-11-13 Case Co J I Vibratory concrete placer
US3841611A (en) * 1972-07-14 1974-10-15 Buss Ag Mixing and kneading device
US4544277A (en) * 1982-06-25 1985-10-01 Oscar Schnellmann Mixer with slotted rotor and cleaner therefor
US4931212A (en) * 1984-03-19 1990-06-05 Aluminium Pechiney Process for continuous regulation of the power with which pastes intended for the fabrication of carbonaceous agglomerates are mixed
US5013503A (en) * 1989-02-06 1991-05-07 Aluminium Pechiney Process for continuous production of carbonaceous paste
WO1992013694A1 (de) * 1991-02-07 1992-08-20 Wacker-Chemie Gmbh Verfahren zur kontinuierlichen herstellung von htv-siliconmassen
US6431755B1 (en) 2000-08-11 2002-08-13 Loren T. Schneider Drive train for use with a kneader apparatus
US20070183253A1 (en) * 2006-02-06 2007-08-09 Buss Ag Mixing and Kneading Machine
US9168676B2 (en) * 2006-02-06 2015-10-27 Buss Ag Mixing and kneading machine
CN104723434A (zh) * 2011-12-16 2015-06-24 申清章 一种具有倾斜式弧形刀片的木屑搅拌机的搅拌装置
CN104723434B (zh) * 2011-12-16 2017-03-08 南通中港涂装设备有限公司 一种具有倾斜式弧形刀片的木屑搅拌机的搅拌装置
US9862121B2 (en) * 2012-12-17 2018-01-09 B&P Littleford Llc Kneading method and apparatus
US20150367531A1 (en) * 2012-12-17 2015-12-24 B&P Process Equipment And Systems Llc Kneading method and apparatus
CN105916576A (zh) * 2013-11-25 2016-08-31 格诺伊斯有限责任公司 用于制造聚合物的装置
WO2015074929A1 (de) * 2013-11-25 2015-05-28 Gneuss Gmbh Vorrichtung zur herstellung von polymeren
CN105916576B (zh) * 2013-11-25 2018-04-24 格诺伊斯有限责任公司 用于制造聚合物的装置
US10040049B2 (en) 2013-11-25 2018-08-07 Gneuss Gmbh Apparatus for making polymers
CN104984677A (zh) * 2015-07-24 2015-10-21 苏州硅果电子有限公司 一种粘稠液体材料混合搅拌装置
US11779891B2 (en) * 2017-10-17 2023-10-10 Buss Ag Asymmetrical three-blade screw-type shaft for a mixing and kneading machine
EP3473404A1 (de) * 2017-10-17 2019-04-24 Buss AG Misch- und knetvorrichtung
US11331634B2 (en) 2017-10-17 2022-05-17 Buss Ag Mixing and kneading machine with receiving areas for kneading elements, said receiving areas being distributed over the inner circumferential surface of the housing in a non-uniform manner
US12318744B2 (en) * 2017-10-17 2025-06-03 Buss Ag Asymmetrical three-blade screw-type shaft for a mixing and kneading machine
US12097474B2 (en) 2017-10-17 2024-09-24 Buss Ag Double-bladed worm shaft for a mixing and kneading machine, wherein each of the blade elements has an elliptic, oval, or biconvex outer peripheral surface in the top view
US11504680B2 (en) 2017-10-17 2022-11-22 Buss Ag Double-bladed worm shaft for a mixing and kneading machine, wherein each of the blade elements has an elliptic, oval, or bioconvex outer peripheral surface in the top view
US20230249143A1 (en) * 2017-10-17 2023-08-10 Buss Ag Asymmetrical three-blade screw-type shaft for a mixing and kneading machine
CN109499419A (zh) * 2018-11-07 2019-03-22 丹阳市美尔鑫化工有限公司 一种绿色环保型铝银浆制备专用捏合机
CN112090352A (zh) * 2020-09-26 2020-12-18 安徽省萧县黄河故道园艺场 一种用于新型墙体材料加工用混料装置
CN115121189B (zh) * 2022-08-23 2022-11-18 山东新港化工有限公司 一种非离子表面活性剂合成用酯化装置及其使用方法
CN115121189A (zh) * 2022-08-23 2022-09-30 山东新港化工有限公司 一种非离子表面活性剂合成用酯化装置及其使用方法

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Publication number Publication date
FR2038173A1 (de) 1971-01-08
NO128519B (de) 1973-12-03
FI55003B (fi) 1979-01-31
BE748279A (fr) 1970-09-16
GB1266122A (de) 1972-03-08
FI55003C (fi) 1979-05-10
CA945542A (en) 1974-04-16
NL7004651A (de) 1970-10-06
DE2014693A1 (de) 1970-10-15
JPS5320711B1 (de) 1978-06-28
DK131094B (da) 1975-05-26
DK131094C (de) 1975-10-27
CH507733A (de) 1971-05-31

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