US196882A - Improvement in apparatus for mixing plastic compositions - Google Patents
Improvement in apparatus for mixing plastic compositions Download PDFInfo
- Publication number
- US196882A US196882A US196882DA US196882A US 196882 A US196882 A US 196882A US 196882D A US196882D A US 196882DA US 196882 A US196882 A US 196882A
- Authority
- US
- United States
- Prior art keywords
- blades
- improvement
- mixing
- shafts
- plastic compositions
- 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
Links
- 239000000203 mixture Substances 0.000 title description 10
- 239000000463 material Substances 0.000 description 14
- 238000005266 casting Methods 0.000 description 8
- 239000010426 asphalt Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000013707 sensory perception of sound Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
Images
Classifications
-
- 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
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
- B01F27/701—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers
- B01F27/702—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with intermeshing paddles
Definitions
- the object of my invention is to construct apparatus for thoroughly mixing asphalt composition for pavements, or for mixing concrete or other plastic or Semi-fluid material or composition; and this object I attain in the manner which I will now proceed to describe, reference being had to the accompanying drawings, in which Figure 1 is avertical section of the mixingmachine; Fig. 2, a transverse section on the line 1 2, Fig. 1; Fig. 3, a diagram illustrating the arrangement of the mixing-blades, and Fig. 4 a View illustrating the modeof fixing a blade to a shaft.
- the upper mixing-vessel A consists of two segments, a a, of a cylinder, united at w, and connected to and supported by the opposite end plates B B, a' girder, I), extending from plate to plate, and serving as an additional support for the Segments.
- Two horizontal shafts, D and D, arranged concentrically with the segments, have their hearings in the end plates B. B, and these.
- shafts carry a series of oblique blades, which I construct and arrange in the following manner:
- a number of castings, of the character shown in Fig. 3, are made, each consisting of a hub, d, with two oblique blades, 0 e,- and a number of these castings are fitted onto and secured to each shaft, and arranged in the order shown in the said figure, one casting being on the line 3 8, the next on the line 44, the third on the line 5 5, and the fourth again on the line 3 3, so that, on looking toward the end of either shaft, there will be the appearance of six blades projecting radially from it.
- the castings may be 'so arranged that but four blades, or eight or more blades, will appear to project from the shaft on looking toward the end of the same.
- there will be a constant vertical displacement of the material due to the rotation of the blades, simultaneously with a lateral agitation of the material, due to the contradictory influences of the blades.
- the edges of the blades of the two shafts if properly arranged in respect to each other, will have a shearing effect on the material, and this will render important assistance in bringing about a thorough disintegration and admixture.
- the above apparatus may be used alone, and heat can be applied to the under Side of the vessel when necessary; but I prefer in most cases to use the mixing apparatus'in connection with alower apparatus,as shown in Fig. 2.
- alower apparatus as shown in Fig. 2.
- Each segment a and a of the vessel A has at the bottom an opening, which can be closed or exposed by a sliding or other suitable door, h. After the material has been thoroughly mixed in the upper vessel, these doors are opened, and it falls onto the vessel E below.
- This vessel is shaped similarlyto that above, I with the exception that it is closed at one end,
- m and has openings at at the opposite end. It has also two shafts, H and H, situated at right angles to the shafts above, and carrying oblique blades, all of which, however, are inclined in such a direction that when the shafts are revolved in the course pointed out by the arrows, Fig. 1, the tendency of the blades will be to force the mixedmaterial through the openings it.
- a mixing apparatus in which avessel, A, is combinedwith two shafts, D and I), caused to revolve in the direction of the arrow, each shaft carrying a series of oblique blades, some inclined in one direction, and others in a contrary direction, and the blades of one shaft crossing and co-operating with those of the other as the said shafts revolve, all substantially as set forth.
Landscapes
- 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)
Description
A. DIETZ. Apparatus forv Mixing Plasticflompositions. No.196 ,8 82.
Patented Nov 6, 1 877.
whens, ruu'ro-umoenumea. msmnron. u c.
"UNITED STATES P 'rnN'r :QFFICE.
AUGUSTUS DIETZ, or PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN APPARATUS FOR MIXING PLASTIC'COMPOSITIONS;
Specification forming part of Letters Patent No. 196,882, dated November 6, 1877 application filed I October 10, 1877.
To all whom it may concern:
Be it known that I, AUGUSTUS DIETZ, of Philadelphia, Pennsylvania, have invented a new and useful Improvement in Apparatus for Mixing Plastic Compositions, of which the following is a specification:
The object of my invention is to construct apparatus for thoroughly mixing asphalt composition for pavements, or for mixing concrete or other plastic or Semi-fluid material or composition; and this object I attain in the manner which I will now proceed to describe, reference being had to the accompanying drawings, in which Figure 1 is avertical section of the mixingmachine; Fig. 2, a transverse section on the line 1 2, Fig. 1; Fig. 3, a diagram illustrating the arrangement of the mixing-blades, and Fig. 4 a View illustrating the modeof fixing a blade to a shaft.
The upper mixing-vessel A consists of two segments, a a, of a cylinder, united at w, and connected to and supported by the opposite end plates B B, a' girder, I), extending from plate to plate, and serving as an additional support for the Segments.
Two horizontal shafts, D and D, arranged concentrically with the segments, have their hearings in the end plates B. B, and these.
shafts carry a series of oblique blades, which I construct and arrange in the following manner: A number of castings, of the character shown in Fig. 3, are made, each consisting of a hub, d, with two oblique blades, 0 e,- and a number of these castings are fitted onto and secured to each shaft, and arranged in the order shown in the said figure, one casting being on the line 3 8, the next on the line 44, the third on the line 5 5, and the fourth again on the line 3 3, so that, on looking toward the end of either shaft, there will be the appearance of six blades projecting radially from it. I prefer this arrangement, although the castings may be 'so arranged that but four blades, or eight or more blades, will appear to project from the shaft on looking toward the end of the same.
The blades of one casting .must beinclined' in a contrary direction to the blades of the adjoining casting throughout the series on each shaft, and the blades of one shaft should movement of the material to and fro in the direction of the vessels length, for, owing to their different inclinations, one set of blades will have a tendency to move the material in r the directionof the arrow 1, and the other set will have a tendency to move it in the direction of A the arrow 2, Fig. 1. In other words, there will be a constant vertical displacement of the material, due to the rotation of the blades, simultaneously with a lateral agitation of the material, due to the contradictory influences of the blades. At the Same time the edges of the blades of the two shafts, if properly arranged in respect to each other, will have a shearing effect on the material, and this will render important assistance in bringing about a thorough disintegration and admixture.
The above apparatus may be used alone, and heat can be applied to the under Side of the vessel when necessary; but I prefer in most cases to use the mixing apparatus'in connection with alower apparatus,as shown in Fig. 2. Each segment a and a of the vessel A has at the bottom an opening, which can be closed or exposed by a sliding or other suitable door, h. After the material has been thoroughly mixed in the upper vessel, these doors are opened, and it falls onto the vessel E below.
This vesselis shaped similarlyto that above, I with the exception that it is closed at one end,
m, and has openings at at the opposite end. It has also two shafts, H and H, situated at right angles to the shafts above, and carrying oblique blades, all of which, however, are inclined in such a direction that when the shafts are revolved in the course pointed out by the arrows, Fig. 1, the tendency of the blades will be to force the mixedmaterial through the openings it.
Instead of a casting with two blades, Ipropose in some cases to make the blades separate, and to bolt them to a hexagonal shaft 11 the manner too clearly shown in Fig. attoneed explanation.
I claim as 1nyinventi0n'- 1. A mixing apparatus in which avessel, A, is combinedwith two shafts, D and I), caused to revolve in the direction of the arrow, each shaft carrying a series of oblique blades, some inclined in one direction, and others in a contrary direction, and the blades of one shaft crossing and co-operating with those of the other as the said shafts revolve, all substantially as set forth.
2. The combination of the upper vessel and its revolving mixers, openings, and doors, with the lower vessel, having two shafts, ar-
ranged at right angles to those above, and earryin g blades, all of which are it inclined in the same direction, as set forth.
In testimony whereof Ihave signed my name to this specification in the presence of two subscribing witnesses.
AUGUSTUS DIETZ.
Witnesses HERMANN MOESSNER, HARRY SMITH.
Publications (1)
Publication Number | Publication Date |
---|---|
US196882A true US196882A (en) | 1877-11-06 |
Family
ID=2266288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US196882D Expired - Lifetime US196882A (en) | Improvement in apparatus for mixing plastic compositions |
Country Status (1)
Country | Link |
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US (1) | US196882A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6523988B1 (en) * | 1997-10-01 | 2003-02-25 | Buhler Ag | Processing food or fodder |
US20090133478A1 (en) * | 2007-11-26 | 2009-05-28 | Sentmanat Martin L | Multiple rotational axis material processing device |
-
0
- US US196882D patent/US196882A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6523988B1 (en) * | 1997-10-01 | 2003-02-25 | Buhler Ag | Processing food or fodder |
US20090133478A1 (en) * | 2007-11-26 | 2009-05-28 | Sentmanat Martin L | Multiple rotational axis material processing device |
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