US1753716A - Mixer for cement - Google Patents

Mixer for cement Download PDF

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Publication number
US1753716A
US1753716A US272748A US27274828A US1753716A US 1753716 A US1753716 A US 1753716A US 272748 A US272748 A US 272748A US 27274828 A US27274828 A US 27274828A US 1753716 A US1753716 A US 1753716A
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Prior art keywords
cement
barrel
mixer
water
screw
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US272748A
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Jack M Owen
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1292—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with rotating stirring and feeding or discharging means fixed on the same axis, e.g. in an inclined container fed at its lower part

Definitions

  • the present invention relates to a mixer for plastic material, such as cement or concrete. It appertains more particularly to mechanical mixer.
  • Fig. 1 is a side elevation of my mixer with parts broken away to show the interior construct-ion; and Fig. 2 is an end view thereof.
  • the mixer comprises a horizontally disposed barrel 3 closed at the ends by heads 4 and 5 provided with bearings for a shaft. At one end of the barrel is a hopper 6, and at the other end is a delivery chute 7. The barrel is supported by suitable feet 8.
  • a shaft 9 having secured to the end thereof a drive wheel 10, in this instance shown as a sprocket wheel which may be geared by a chain 11 to any suitable driving means.
  • a screw flight 12 Mounted upon the shaft 9 and extending along the hopper opening in the barrel is a screw flight 12, providing with the barrel a screw pump.
  • a screw flight 12 There is formed in the barrel 3 two zones or chambers, one a conveyor chamber in which the screw flight 12 is disposed and the other a mixing chamber.
  • mixing arms or paddles 13 Opening into the inlet end of the mixing zone is a water pipe 14.
  • the mixer operates in the following manner: Dry cement indicated by C is dumped into the hopper, while the shaft 9 is rotated.
  • the hopper is kept filled or partially filled, thereby filling the spaces between the flight of the screw, and closing the ends of the mixing chamber.
  • Water is introduced through the pipe 14 into the mixing chamber and the paddles 13 cause a thorough mix of the same.
  • These paddles have faces pitched so that they tend to move the material being mixed toward the outlet 7 from whence it may be delivered into a suction box or other receptacle. It will be noted that by reason of the character of the conveyor chamber, the passage of water from the mixing chamber is prevented, the cement acting as a head for the mixing chamber, which head continually advances and dissolves.
  • a mixer for cement comprising a barrel, screw means for feeding the cement through a portion of the length of the barrel in a column occupying the full bore of the barrel, means for directing a stream of water across the said bore substantially at the end of the feeding means to cause the water to Wash'cement from a point adjacent the end of the screw means and to mix with the day of April, 1928.
  • a mixer for cement comprising a barrel having a bore of uniform diameter throughout its length, an open mouthed feeding hopper adjacent one end of the barrel and communicating with the bore thereof, a discharge adjacent the other end of the barrel, screw means for feeding the cement from the mouth of the hopper through a portion of the-barrel in a column occupying the full bore of the barrel, means for directing a stream of water across the said bore at the end of the feeding means to cause the water to wash cement from a point adjacent the end of the screw means and to mix with the cement as the latter leaves the screw means, and means for picking up the material directly after it is supplied with water and mixing the water and cement together as they are fed to the discharge.
  • a mixer for cement comprising a barrel having a bore of uniform diameter throughout its length, an open mouthed feeding hopper adjacent one end of the barrel and communicating with the bore thereof, a discharge adjacent the other end of the barrel, a screw conveyor positioned within the barrel and projecting beyond opposite sides of the hopper mouth for feeding the cement from the latter through a portion of the barrel in a column occupying the full bore of the latter, means for directing a stream of water across the said bore at the discharge end of the screw conveyor for causing the water to wash cement from a point adjacent the end of the conveyor and to mix with the cement as it leaves the screw conveyor, and two opposed spiral series of blades the cement directly after it is supplied with water and mixing the two together as they are fed to the discharge.

Description

April 8, 1930. J. M. OWEN MIXER FOR CEMENT Filed April 25, 1928 A TTORN E YJ Patented Apr. 8, 1930 JACK M. OWEN, OF LONG BEACH, CALIFORNIA MIXER FOR CEMENT Application filed April 25, 1928. Serial No. 272,748.
The present invention relates to a mixer for plastic material, such as cement or concrete. It appertains more particularly to mechanical mixer.
In the cementing of oil wells, it is necessary to provide a mixer which'is portable. It is desirable that such a mixer have the following qualities: It must be capable of being started quickly, and deliver a uniform mix continuously. It is furthermore desirable to provide for adjustment of the quan-' tit-y delivered. Another desired quality is a machine of large capacity, capable of receiving at its inlet end, dry cement as fast as it can be dumped therein, and to deliver the same without choking or clogging. The objects of this invention are to provide a mixer having any or all of the above mentioned characteristics.
These objects are obtained by means of the embodiment of my invention illustrated in the accompanying drawings, in which Fig. 1 is a side elevation of my mixer with parts broken away to show the interior construct-ion; and Fig. 2 is an end view thereof.
Referring with more particularity to the drawing, the mixer comprises a horizontally disposed barrel 3 closed at the ends by heads 4 and 5 provided with bearings for a shaft. At one end of the barrel is a hopper 6, and at the other end is a delivery chute 7. The barrel is supported by suitable feet 8.
Within the barrel and mounted in the bearings at the ends is a shaft 9 having secured to the end thereof a drive wheel 10, in this instance shown as a sprocket wheel which may be geared by a chain 11 to any suitable driving means. Mounted upon the shaft 9 and extending along the hopper opening in the barrel is a screw flight 12, providing with the barrel a screw pump. There is formed in the barrel 3 two zones or chambers, one a conveyor chamber in which the screw flight 12 is disposed and the other a mixing chamber. In the mixing chamber and secured to the shaft 9 are mixing arms or paddles 13. Opening into the inlet end of the mixing zone is a water pipe 14.
The mixer operates in the following manner: Dry cement indicated by C is dumped into the hopper, while the shaft 9 is rotated. The hopper is kept filled or partially filled, thereby filling the spaces between the flight of the screw, and closing the ends of the mixing chamber. Water is introduced through the pipe 14 into the mixing chamber and the paddles 13 cause a thorough mix of the same. These paddles have faces pitched so that they tend to move the material being mixed toward the outlet 7 from whence it may be delivered into a suction box or other receptacle. It will be noted that by reason of the character of the conveyor chamber, the passage of water from the mixing chamber is prevented, the cement acting as a head for the mixing chamber, which head continually advances and dissolves. There is a continuous movement of dry cement into the mixing chamber, which cement acts as a head, and at no time during its operation will water have an opportunity to pass back wardly into the hopper orto penetrate the cement to an appreciable extent in the conveyor chamber. The continuous movement of the cement is rendered positive by means of the water entering the inlet 14, inasmuch as this water washes away the cement adjacent the Water inlet as well as that adjacent the screw conveyor. Adjustment of the amount of mix may be made by adjusting the speed of the shaft and the amount of water introduced. Having established a speed and a water supply, it is only necessary to keep the hopper full of dry cement. The mixer is compact and has no parts subject to clogging. or choking. The feed is positive, and the delivery will be uniform. The mixer is of a character such that'it may be moved about upon trucks, and quickly installed in position for operation.
What I claim is 1. A mixer for cement comprising a barrel, screw means for feeding the cement through a portion of the length of the barrel in a column occupying the full bore of the barrel, means for directing a stream of water across the said bore substantially at the end of the feeding means to cause the water to Wash'cement from a point adjacent the end of the screw means and to mix with the day of April, 1928.
c for picking up cement as the latter leaves the screw means, and means for mixing the cement and water and feeding it through the remainder of the barrel to a discharge opening in the latter.
2. A mixer for cement comprising a bar= rel, a screw conveyor for feeding the cement through a port-ion of the length of the barrel in a column occupying the full bore of the latter, means for directing a stream of water across the bore substantially at the end of the screw conveyor to cause the water to wash cement from a point adjacent the end of the conveyor and to mix with the cement as the latter leaves the said conveyor,
and two opposed spiral series of blades for mixing the cement and water and feeding it through the remainder of the barrel to a discharge opening in the latter.
3. A mixer for cement comprising a barrel having a bore of uniform diameter throughout its length, an open mouthed feeding hopper adjacent one end of the barrel and communicating with the bore thereof, a discharge adjacent the other end of the barrel, screw means for feeding the cement from the mouth of the hopper through a portion of the-barrel in a column occupying the full bore of the barrel, means for directing a stream of water across the said bore at the end of the feeding means to cause the water to wash cement from a point adjacent the end of the screw means and to mix with the cement as the latter leaves the screw means, and means for picking up the material directly after it is supplied with water and mixing the water and cement together as they are fed to the discharge.
4. A mixer for cement comprising a barrel having a bore of uniform diameter throughout its length, an open mouthed feeding hopper adjacent one end of the barrel and communicating with the bore thereof, a discharge adjacent the other end of the barrel, a screw conveyor positioned within the barrel and projecting beyond opposite sides of the hopper mouth for feeding the cement from the latter through a portion of the barrel in a column occupying the full bore of the latter, means for directing a stream of water across the said bore at the discharge end of the screw conveyor for causing the water to wash cement from a point adjacent the end of the conveyor and to mix with the cement as it leaves the screw conveyor, and two opposed spiral series of blades the cement directly after it is supplied with water and mixing the two together as they are fed to the discharge.
In witness that I claim the foregoing I have hereunto subscribed my name this 16th J AGK M. OWEN.
US272748A 1928-04-25 1928-04-25 Mixer for cement Expired - Lifetime US1753716A (en)

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626788A (en) * 1949-01-28 1953-01-27 Standard Oil Dev Co Mud mixer and agitator
US2764218A (en) * 1950-12-15 1956-09-25 Jr Sidney L Richards Apparatus for coating and reinforcing pipe
US2828112A (en) * 1956-03-26 1958-03-25 Kammer Oswin Feed mixer
US2856165A (en) * 1957-06-19 1958-10-14 Structural Clay Products Res F Extruding device
US3191912A (en) * 1961-12-19 1965-06-29 Halliburton Co Mixing apparatus for producing oil well formation fracturing compositions
US3346240A (en) * 1965-01-15 1967-10-10 Ready T Pour Inc Mixing apparatus
US3459409A (en) * 1967-02-16 1969-08-05 Richard H Goldberger Mixing and conveyor system
US3823920A (en) * 1971-02-12 1974-07-16 Owens Illinois Inc Feeding wet glass batch
FR2310203A1 (en) * 1975-05-27 1976-12-03 Mathis Fertigputz DEVICE FOR THE CONTINUOUS MANUFACTURING OF READY-TO-USE MORTAR
US4039169A (en) * 1976-02-02 1977-08-02 Carver Foundry Products Continuous sand muller
US5352035A (en) * 1993-03-23 1994-10-04 Hydromix, Inc. Concrete mixing system with cement/water premixer
US5470147A (en) * 1994-07-01 1995-11-28 Duckworth; Donald L. Portable continual mixer
US5478147A (en) * 1995-04-13 1995-12-26 E. D. Etnyre & Co. Portable mixer for mixing ground rubber into liquid asphalt
US5609416A (en) * 1996-06-04 1997-03-11 Duckworth; Donald L. Portable continual mixer
US5718508A (en) * 1996-10-29 1998-02-17 Haltec Corporation Self-cleaning mixer for cement slurry
US5894871A (en) * 1997-08-26 1999-04-20 Greer; David L. Sand hopper for filling bags
US20020090428A1 (en) * 2000-10-12 2002-07-11 Warf C. Cayce Treatment fluid application apparatus for foodstuffs and methods related thereto
US20030076737A1 (en) * 2001-10-18 2003-04-24 Frank Grassi Portable mixing/delivery apparatus for pre-blended granular mixtures
US20050169100A1 (en) * 2004-01-30 2005-08-04 Shohei Chida Method and apparatus for producing lightweight solidified material, pipe-type mixer apparatus, apparatus for producing solidifying material, and gravity adjusting apparatus
US20060233040A1 (en) * 2005-04-18 2006-10-19 Cestti Alvaro A Continuous mixing and delivery machine for temporarily flowable solid materials
US20060280026A1 (en) * 2003-03-13 2006-12-14 Hakan Dackefjord Device for and method of continuous mixing of light concrete and the use of a combined transporting and mixing screw in such a device
US20080048059A1 (en) * 2004-12-30 2008-02-28 Bouldin Corporation System and Method for Processing Waste on a Continuous Basis
US7784996B1 (en) 2007-01-17 2010-08-31 Cummer Thomas J Mortar mixing apparatus
US20130105510A1 (en) * 2011-10-03 2013-05-02 MerchSource, LLC Dispenser stir stick
US20140061249A1 (en) * 2012-08-27 2014-03-06 Unverferth Manufacturing Company, Inc. Chemical Applicator for Farming Applications
US11731310B2 (en) * 2017-08-09 2023-08-22 Sika Technology Ag Device including an agitator shaft and a conveyor for applying a building material

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626788A (en) * 1949-01-28 1953-01-27 Standard Oil Dev Co Mud mixer and agitator
US2764218A (en) * 1950-12-15 1956-09-25 Jr Sidney L Richards Apparatus for coating and reinforcing pipe
US2828112A (en) * 1956-03-26 1958-03-25 Kammer Oswin Feed mixer
US2856165A (en) * 1957-06-19 1958-10-14 Structural Clay Products Res F Extruding device
US3191912A (en) * 1961-12-19 1965-06-29 Halliburton Co Mixing apparatus for producing oil well formation fracturing compositions
US3346240A (en) * 1965-01-15 1967-10-10 Ready T Pour Inc Mixing apparatus
US3459409A (en) * 1967-02-16 1969-08-05 Richard H Goldberger Mixing and conveyor system
US3823920A (en) * 1971-02-12 1974-07-16 Owens Illinois Inc Feeding wet glass batch
FR2310203A1 (en) * 1975-05-27 1976-12-03 Mathis Fertigputz DEVICE FOR THE CONTINUOUS MANUFACTURING OF READY-TO-USE MORTAR
US4039169A (en) * 1976-02-02 1977-08-02 Carver Foundry Products Continuous sand muller
US5352035A (en) * 1993-03-23 1994-10-04 Hydromix, Inc. Concrete mixing system with cement/water premixer
US5427448A (en) * 1993-03-23 1995-06-27 Hydromix, Inc. Method for mixing concrete using a cementitious material/liquid premixer
US5470147A (en) * 1994-07-01 1995-11-28 Duckworth; Donald L. Portable continual mixer
US5478147A (en) * 1995-04-13 1995-12-26 E. D. Etnyre & Co. Portable mixer for mixing ground rubber into liquid asphalt
US5609416A (en) * 1996-06-04 1997-03-11 Duckworth; Donald L. Portable continual mixer
US5718508A (en) * 1996-10-29 1998-02-17 Haltec Corporation Self-cleaning mixer for cement slurry
US5894871A (en) * 1997-08-26 1999-04-20 Greer; David L. Sand hopper for filling bags
US20020090428A1 (en) * 2000-10-12 2002-07-11 Warf C. Cayce Treatment fluid application apparatus for foodstuffs and methods related thereto
US20050058013A1 (en) * 2000-10-12 2005-03-17 Alcide Corporation Treatment fluid application apparatus for foodstuffs and methods related thereto
US20030076737A1 (en) * 2001-10-18 2003-04-24 Frank Grassi Portable mixing/delivery apparatus for pre-blended granular mixtures
US6666573B2 (en) * 2001-10-18 2003-12-23 Frank Grassi Portable mixing/delivery apparatus for pre-blended granular mixtures
US20060280026A1 (en) * 2003-03-13 2006-12-14 Hakan Dackefjord Device for and method of continuous mixing of light concrete and the use of a combined transporting and mixing screw in such a device
US20050169100A1 (en) * 2004-01-30 2005-08-04 Shohei Chida Method and apparatus for producing lightweight solidified material, pipe-type mixer apparatus, apparatus for producing solidifying material, and gravity adjusting apparatus
US20080048059A1 (en) * 2004-12-30 2008-02-28 Bouldin Corporation System and Method for Processing Waste on a Continuous Basis
US20060233040A1 (en) * 2005-04-18 2006-10-19 Cestti Alvaro A Continuous mixing and delivery machine for temporarily flowable solid materials
US7645064B2 (en) 2005-04-18 2010-01-12 Onemanconcrete Llc Continuous mixing and delivery machine for temporarily flowable solid materials
US7784996B1 (en) 2007-01-17 2010-08-31 Cummer Thomas J Mortar mixing apparatus
US20130105510A1 (en) * 2011-10-03 2013-05-02 MerchSource, LLC Dispenser stir stick
US9592948B2 (en) * 2011-10-03 2017-03-14 MerchSource, LLC Dispenser stir stick
US20140061249A1 (en) * 2012-08-27 2014-03-06 Unverferth Manufacturing Company, Inc. Chemical Applicator for Farming Applications
US11731310B2 (en) * 2017-08-09 2023-08-22 Sika Technology Ag Device including an agitator shaft and a conveyor for applying a building material

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