US125072A - Improvement in dough-mixers - Google Patents

Improvement in dough-mixers Download PDF

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US125072A
US125072A US125072DA US125072A US 125072 A US125072 A US 125072A US 125072D A US125072D A US 125072DA US 125072 A US125072 A US 125072A
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dough
shaft
tub
improvement
stirrer
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type

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  • the object of this invention is to furnish to bakers, confectioners, and pastry-cooks a 1nachine, whereby the various manipulations of cake-dough, batter-icing, Ste., are enabled to be performed more easily, quickly, and better, and in a far more cleanly manner than such operations are now performed by hand.
  • My invention is an improvement in the class of mixing-machines in which the dough or mass is confined in a vertical tub or vessel containing a stirrer, which is caused to rotate horizontally in one direction, while the tub is rotated in the opposite direction; and my in vention consists in devices whereby the stirring of a single large mass or batch, or of several smaller masses, is more effectually and easily secured than heretofore.
  • Figure l is an elevation of a machine embodying ⁇ m y improvements, the same being adapted for operating a single large tub.
  • Fig. 2 is a vertical section of my machine adapted for operating with two smaller tubs.
  • Fig. 3 is an enlaged view of my shaft-coupling.
  • Fig. 4 is an axial section of the lower portion of the tub.
  • Fig. 5 shows my stirrer for large masses detach ed.
  • Fig. 6 is an elevation of my apparatus in its simplest form. lfgigs.
  • stirrer for large masses is shown in part in Figs. l, 2, and and entire in Fig. 5, and consists, essentially, of a series of rods, K, secured in the horizontal position, severally, one below and at a slight Obliquity to that above it, by being passed through and and fastened to a bow or head, L, whose shaft M is coupled to the upper shaft G by means of a feathered coupling or collar, N, and setscrew O, or, instead of the set-screw O, a pin, O maybe used, as in Figs.
  • the groove c being sunk deeper for a portion of its length so as to limit the descent of the said pin, and, consequently, of the coupling N.
  • the stirrer terminates below in a blade or scraper, P, whose pivot Q is in a line with the shafts B and C, and occupies a step or socket, R, attached to the floor of the tub.
  • the two portions of the scraper P on the respective sides of the pivot are turned opposite] y downward so as to scrape up and detach from the tub-iioor hard and unblended masses adhering thereto.
  • a scraper, V Attached, by arm S, screw-threaded stem T, and nuts t, to the stirrer-shaft, is a scraper, V, which, projecting perpendicularly from the said stem, operates to perform the same service for the walls of the tub that the scraper P does for its oor.
  • the nuts t enable the secure attachment of the scraper V in the required position, or of its adjustment toward or from the center, or of its temporary removal or replacement by another scraper.
  • the spiral and, at the same time, open arrangement of the stirring-rods enables them to pass readily through and yet to thoroughly agitate the mass, and, in conjunction with the scrapers P and V, operates to move every part of the mass at each revolution, the spiral arrangement of the rods also acting to constantly elevate to the top of the mass the thicker and more refractory portions until thorough homogeneousness is attained.
  • stirrer K may have a greater height and have a greater number of rods, and for shallower tubs may have fewer rods.
  • FIG. 2 shows my machine with two smaller tubs, J J and agitators W X in place ofthe large one shown yin Fig. 1.
  • Fig. 6 shows my apparatus adapted for the lighter use of small establishments and for domestic purposes, and comprises a single stem or shaft and accompanying stirrer.
  • the shaft should be extended down to the bottom of the tub, and the lower end 0f said shaft should be journaled in the step or bearing R.
  • the combined stirrer and scraper composed of the rods K, head L, shaft M, blades or Scrapers P and V, and pivot Q.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Description

2 Sheets-Sheer i.
A. E. -uTi-i. improvement in Dough Mixing Machines.
Patented March 26,1872.
ANo. 5,072
MINI W ZWWMM,
. y am?,
Att e st 2 Sheets--Sheet 2.
A. E. M UTH. Improvement in Dough Mixing Machines.
Patented March 26, 1872.
INVENTOR @d {v/w Figoeu Figa '7.
W n@ /i AUGUSTUS E. MUTH, OF CINCINNATI, OHIO.
|mPRovl-:mEN'I` IN DoUeH-MixEas.
Specification forming part of Letters Patent No. 125,072, dated March 26, 1872.
I,- AUGUSTUS E. MUTE, of Cincinnati, Hamilton county, Ohio, have invented a new and useful Cake-Dough Beating and Mixing Machine, ofwhich the following is a specification:
The object of this invention is to furnish to bakers, confectioners, and pastry-cooks a 1nachine, whereby the various manipulations of cake-dough, batter-icing, Ste., are enabled to be performed more easily, quickly, and better, and in a far more cleanly manner than such operations are now performed by hand.
My invention is an improvement in the class of mixing-machines in which the dough or mass is confined in a vertical tub or vessel containing a stirrer, which is caused to rotate horizontally in one direction, while the tub is rotated in the opposite direction; and my in vention consists in devices whereby the stirring of a single large mass or batch, or of several smaller masses, is more effectually and easily secured than heretofore.
In the accompanying` drawing, Figure lis an elevation of a machine embodying` m y improvements, the same being adapted for operating a single large tub. Fig. 2 is a vertical section of my machine adapted for operating with two smaller tubs. Fig. 3 is an enlaged view of my shaft-coupling. i Fig. 4 is an axial section of the lower portion of the tub. Fig. 5 shows my stirrer for large masses detach ed. Fig. 6 is an elevation of my apparatus in its simplest form. lfgigs. 7 and 8 show modifications of my coup- A is a frame, having journaled vertically in its lower portion one or more shafts, B Bl B, and in its upper portion an equal number of shafts, C C C, in line with those below, but not connected with them. These shafts B B B and O C C are caused to revolve in opposite directions by means of suitable gearing D, driven either by pulley E, having suitable belted connection with a steam-en gine or other motor, or by a winch, F, operated by hand. Near the top of each shaft B B B is a feather, b, which, entering a corresponding groove in thehnb G, obliges the said hub and its attached platform H to revolve with the shaft. Pins I,
traversing lugs j uponv the bottom of the tub J and the platform H, secure the former to the latter, and oblige it to rotate therewith. My preferred form of stirrer for large masses is shown in part in Figs. l, 2, and and entire in Fig. 5, and consists, essentially, of a series of rods, K, secured in the horizontal position, severally, one below and at a slight Obliquity to that above it, by being passed through and and fastened to a bow or head, L, whose shaft M is coupled to the upper shaft G by means of a feathered coupling or collar, N, and setscrew O, or, instead of the set-screw O, a pin, O maybe used, as in Figs. 7 and 8, the groove c being sunk deeper for a portion of its length so as to limit the descent of the said pin, and, consequently, of the coupling N. The stirrer terminates below in a blade or scraper, P, whose pivot Q is in a line with the shafts B and C, and occupies a step or socket, R, attached to the floor of the tub. The two portions of the scraper P on the respective sides of the pivot are turned opposite] y downward so as to scrape up and detach from the tub-iioor hard and unblended masses adhering thereto. Attached, by arm S, screw-threaded stem T, and nuts t, to the stirrer-shaft, is a scraper, V, which, projecting perpendicularly from the said stem, operates to perform the same service for the walls of the tub that the scraper P does for its oor.
The nuts t enable the secure attachment of the scraper V in the required position, or of its adjustment toward or from the center, or of its temporary removal or replacement by another scraper.
The spiral and, at the same time, open arrangement of the stirring-rods enables them to pass readily through and yet to thoroughly agitate the mass, and, in conjunction with the scrapers P and V, operates to move every part of the mass at each revolution, the spiral arrangement of the rods also acting to constantly elevate to the top of the mass the thicker and more refractory portions until thorough homogeneousness is attained.
For deeper tubs the stirrer K may have a greater height and have a greater number of rods, and for shallower tubs may have fewer rods.
- Fig. 2 shows my machine with two smaller tubs, J J and agitators W X in place ofthe large one shown yin Fig. 1.
Fig. 6 shows my apparatus adapted for the lighter use of small establishments and for domestic purposes, and comprises a single stem or shaft and accompanying stirrer.
The supports near the outer ends of rods K ATENT Grrrcr.-
may be omitted and the latter secured in the represented spiral position by passing throught suitable apertures in the shaft. In this case the shaft should be extended down to the bottom of the tub, and the lower end 0f said shaft should be journaled in the step or bearing R.
Claims.
1. The reversely-rotated and interchangeable tubs J J J and stirrers attached, as represented, to lower and upper shafts, having concentric but opposite rotations by connection with driving mechanism, as and for the purpose explained.
2. The series ot' reversely-rotated tubs and stirrers, convertible to use with a single large tub and stirrer, the whole being arranged and operating as set forth.
3. The described combination with suitable drlvmg mechanlsm D of the reversely-rotated detachable tubs J and stirrers K, as and for` the purpose stated.
4. The combined stirrer and scraper, composed of the rods K, head L, shaft M, blades or Scrapers P and V, and pivot Q.
5. In the described combination with the elements of the preceding clause, I claim the arm S, screw-threaded stem T, and nuts U for attaehment and adjustment of the side scraper V, as set forth.
In testimony of which invention I hereunto set my hand..
AUGUSTUS E. MUTH.
Attest:
Gno. H. KNIGHT, J Amis H. LAYMAN.
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