FR2484278A1 - Rotary agitator for freezing cylinder of ice-cream dispensing machine - uses coaxial helical ribbon bar scraping full length of cylinder wall - Google Patents

Rotary agitator for freezing cylinder of ice-cream dispensing machine - uses coaxial helical ribbon bar scraping full length of cylinder wall Download PDF

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Publication number
FR2484278A1
FR2484278A1 FR8013156A FR8013156A FR2484278A1 FR 2484278 A1 FR2484278 A1 FR 2484278A1 FR 8013156 A FR8013156 A FR 8013156A FR 8013156 A FR8013156 A FR 8013156A FR 2484278 A1 FR2484278 A1 FR 2484278A1
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FR
France
Prior art keywords
cylinder
agitator
ice cream
ribbon
bar
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.)
Granted
Application number
FR8013156A
Other languages
French (fr)
Other versions
FR2484278B1 (en
Inventor
Edmund Ott
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.)
OTT ERWIN AG
Original Assignee
OTT ERWIN AG
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
Application filed by OTT ERWIN AG filed Critical OTT ERWIN AG
Priority to FR8013156A priority Critical patent/FR2484278A1/en
Publication of FR2484278A1 publication Critical patent/FR2484278A1/en
Application granted granted Critical
Publication of FR2484278B1 publication Critical patent/FR2484278B1/fr
Granted legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/08—Batch production
    • A23G9/12—Batch production using means for stirring the contents in a non-moving container
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/224—Agitators or scrapers
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/28—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups for portioning or dispensing

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Confectionery (AREA)

Abstract

A rotary agitator for a paste-like food prod., esp. for stiff ice cream in the cylindrical, freezing cylinder via which ice cream mixt. is dispensed from a reservoir. The agitator is in the form of a simple helical ribbon of bar material. The ribbon is rotated about the axis of the helix which coincides with the axis of the cylinder. The direction of rotation of the helix tends to convey the prod. towards the delivery end of the cylinder. Pref. throughout the length of the ribbon, an edge of the bar is in continuous line contact with the interior surface of the cylinder. The cross section of the ribbon bar is pref. triangular or trapezoidal. The agitator continuously moves ice cream in the freezing cylinder of an ice cream machine. The ice cream does not stick to the cylinder wall or to the comparatively narrow agitator ribbon.

Description

La présente invention est relative à un agitateur pour produits pâteux.Cet agitateur est plus particulièrement mais non exclusivement destiné à être utilisé sur des machines à distribuer de la crème glacée. The present invention relates to an agitator for pasty products. This agitator is more particularly but not exclusively intended for use on machines for dispensing ice cream.

De telles machines comportent deux réservoirs : un premier réservoir dans lequel on déverse la crème liquide et un second réservoir, communiquant avec le premier,daus lequel la crème est refroidie jusqu'à devenir pâteuse. Such machines include two reservoirs: a first reservoir into which the liquid cream is poured and a second reservoir, communicating with the first, in which the cream is cooled until it becomes pasty.

C'est à partir de ce second réservoir que sleffectue le soutirage de la crème glacée.Ce réservoir, qui affecte une forme cylindrique, est réfrigérée à l'aide d'organes appropriés disposés extérieurement ,tel qu'un serpentin évaporateur d'un appareil frigorifique.It is from this second reservoir that the ice cream is drawn off. This reservoir, which has a cylindrical shape, is refrigerated using suitable organs arranged externally, such as an evaporator coil of an appliance. refrigerated.

Naturellement, pour éviter que la crème gèle au contact de la paroi du réservoir et reste liquide au centre, il est nécessaire d'en effectuer un brassage permanent. Naturally, to prevent the cream from freezing on contact with the wall of the reservoir and remaining liquid in the center, it is necessary to carry out a permanent stirring.

En l'état actuel de la technique, on utilise un agitateur constitué par des pales rendues solidaires d'un arbre traversant axialement le réservoir. In the current state of the art, an agitator is used which consists of blades made integral with a shaft axially passing through the tank.

En raison de la grande surface des pales et de 11arbre, la crème glacée adhérait à celles-ci au détriment du malaxage et de sa progression vers l'orifice de soutirage situé à une des extrémités du réservoir cylindrique.les effets de ces deux inconvénients sont dtau- tant plus importants que la température de la crème glacée est basse. Because of the large surface area of the blades and the shaft, the ice cream adhered to them to the detriment of the mixing and its progression towards the withdrawal orifice located at one of the ends of the cylindrical reservoir. The effects of these two drawbacks are especially important when the temperature of the ice cream is low.

L'agitateur de l'invention, qui remédie à ces inconvénients, est remarquable en ce qu'il est constitué par une barre enroulée selon une hélice entraînée en rotation selon lsaxe du réservoir et dont une arête est constamment en contact avec la périphérie dudit réservoir. The agitator of the invention, which overcomes these drawbacks, is remarkable in that it consists of a bar wound around a propeller driven in rotation along the axis of the tank and one edge of which is constantly in contact with the periphery of said tank. .

l'invention sera mieux comprise par la description qui va suivre faite en se référant aux dessins annexés à titre d'exemple indicatif seulement,sur lesquels
La figure 1 est une vue partielle en coupe d'une machine à distribuer de la crème glacée comportant un agitateur conforme à l'invention
La figure 2 est une vue en élévation et à plus grande échelle de l'agitateur;
La figure 3 est une vue de gauche de la figure 2;
La figure 4 est une vue en coupe à plus grande échelle effectuée selon la ligne IV-IV de la figure 2;
La figure 5 est une vue analogue à celle 4 montrant une variante de réalisation.the invention will be better understood from the following description made with reference to the accompanying drawings by way of indicative example only, in which
Figure 1 is a partial sectional view of an ice cream dispenser machine comprising an agitator according to the invention
Figure 2 is an elevational view on a larger scale of the agitator;
Figure 3 is a left view of Figure 2;
Figure 4 is an enlarged sectional view taken along the line IV-IV of Figure 2;
Figure 5 is a view similar to that 4 showing an alternative embodiment.

En se reportant aux dessins on voit que, de la façon connue, la machine comporte deux réservoirs 1 et 2,celui 1 servant à stocker la crème et communiquant avec celui 2 cylindrique dans lequel ladite crème est refroidie au moyen, par exemple, d1un serpentin évaporateur 3 d'un appareil frigorifique usuel entourant ledit réservoir dont l'extrémité opposée à celle par laquelle y pénètre la crème est obturée par le corps 4 du robinet de soutirage. Referring to the drawings, it can be seen that, in known manner, the machine comprises two reservoirs 1 and 2, that 1 serving to store the cream and communicating with that 2 cylindrical in which said cream is cooled by means, for example, of a coil evaporator 3 of a conventional refrigerating appliance surrounding said reservoir, the end opposite to that by which the cream enters it is closed by the body 4 of the draw-off tap.

Selon l'invention, l'agitateur est constitué par une barre 5 enroulée en hélice de façon à ce que l'une de ses arêtes 5a soit en contact constant avec la paroi interne du réservoir 2. According to the invention, the agitator consists of a bar 5 wound in a helix so that one of its edges 5a is in constant contact with the internal wall of the tank 2.

Comme montré notamment sur la figure 4, la barre 5 affecte une section triangulaire. As shown in particular in Figure 4, the bar 5 has a triangular section.

Selon une variante, figure 5, la barre 5 affecte une section sensiblement trapézoïdale. According to a variant, FIG. 5, the bar 5 affects a substantially trapezoidal section.

La barre 5 est entraînée en rotation selon son axe qui est confondu avec celui du réservoir cylindrique 2 et elle présente à ses extrémités des tourillons 6 et 7 et un carré.d'entraînement 8. The bar 5 is rotated along its axis which coincides with that of the cylindrical tank 2 and it has at its ends pins 6 and 7 and a drive square 8.

Selon un mode due réalisation, l'extrémité de la barre 5 située vers le corps 4 du robinet -de soutirage se prolonge par un organe 9 coopérant au refoulement de la crème glacée vers l'orifice de soutirage 10.  According to one embodiment, the end of the bar 5 situated towards the body 4 of the tap -tip is extended by a member 9 cooperating in the delivery of the ice cream towards the tap orifice 10.

L'organe 9 est constitué par une spire fermée en son centre par un noyau ll et dont le pas est très inférieur à celui de la barre hélicoïdale 5,comme cela ressort des dessins.The member 9 is constituted by a turn closed in its center by a core ll and whose pitch is much less than that of the helical bar 5, as can be seen from the drawings.

A l'opposé de organe 9 est disposé un plateau circulaire 12 qui relie l'extrémité correspondante de la barre hélicoïdale 5 et le tourillon 7,ledit plateau présentant au moins un passage 13 pour permettre à la crème contenue dans le réservoir 1 de pénétrer dans celui 2. Opposite the member 9 is disposed a circular plate 12 which connects the corresponding end of the helical bar 5 and the pin 7, said plate having at least one passage 13 to allow the cream contained in the reservoir 1 to penetrate into that 2.

De par sa conception, l'agitateur de l'invention offre peu de surface en contact avec la crème glacée qui n'adhère pas sur celui-ci même si elle est très froide donc très pâteuse. By design, the agitator of the invention offers little surface in contact with the ice cream which does not adhere to it even if it is very cold therefore very pasty.

Bien entendu, la présente invention ne se limite pas au mode de réalisation décrit et représenté mais s'étend, au contraire, à toutes variantes de formes. et dimensions. Of course, the present invention is not limited to the embodiment described and shown but extends, on the contrary, to all variant forms. and dimensions.

C'est ainsi,entre autres, que pour des réservoirs de grand diamètre on pourrait utiliser plusieurs barres hélicoïdales décalées angulairement les unes par rapport aux autres. It is thus, among other things, that for large-diameter tanks, it is possible to use several helical bars angularly offset with respect to each other.

Claims (5)

REVENDICADIONS l-Agitateur pour produits pâteux du genre de ceux disposés dans un réservoir cylindrique comportant un orifice d'entrée à une extrémité et un orifice de sortie à l'autre, caractérisé en ce que dans sa forme la plus simple il est constitué par une barre, enroulée en hélice, présentant des moyens pour être entrainée en rotation selon l'axe de l'hélice qui est confondu avec celui du réservoir. l-Agitator for pasty products of the kind of those arranged in a cylindrical tank comprising an inlet orifice at one end and an outlet orifice at the other, characterized in that in its simplest form it is constituted by a bar , wound in a helix, having means for being rotated along the axis of the propeller which coincides with that of the tank. 2-Agitateur pour produits pâteux selon la revendication 1, caractérisé en ce que l'une des arêtes de la barre hélicoïdale est toujours en contact avec la paroi interne du réservoir. 2-Stirrer for pasty products according to claim 1, characterized in that one of the edges of the helical bar is always in contact with the internal wall of the tank. 3-Agitateur pour produits pâteux selon l'une quelconque des revendications 1 et 2, caractérisé en ce que la barre hélicoïdale présente une section triangulaire. 3-Agitator for pasty products according to any one of claims 1 and 2, characterized in that the helical bar has a triangular section. 4-Agitateur pour produits pâteux, selon l'une quelconque des revendications 1 et 2, caractérisé en ce que la barre hélicoïdale présente une section sensiblement trapézoïdale. 4-Stirrer for pasty products, according to any one of claims 1 and 2, characterized in that the helical bar has a substantially trapezoidal section. 5-Agitateur pour produits pâteux selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'extrémité de la barre hélicoidale,située vers l'orifice de sortie du réservoir, est rendue solidaire d'un organe coopérant à pousser le produit contenu dans le réservoir vers l'orifice de sortie.  5-agitator for pasty products according to any one of claims 1 to 4, characterized in that the end of the helical bar, located towards the outlet port of the tank, is made integral with a member cooperating in pushing the product contained in the tank to the outlet.
FR8013156A 1980-06-13 1980-06-13 Rotary agitator for freezing cylinder of ice-cream dispensing machine - uses coaxial helical ribbon bar scraping full length of cylinder wall Granted FR2484278A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8013156A FR2484278A1 (en) 1980-06-13 1980-06-13 Rotary agitator for freezing cylinder of ice-cream dispensing machine - uses coaxial helical ribbon bar scraping full length of cylinder wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013156A FR2484278A1 (en) 1980-06-13 1980-06-13 Rotary agitator for freezing cylinder of ice-cream dispensing machine - uses coaxial helical ribbon bar scraping full length of cylinder wall

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FR2484278A1 true FR2484278A1 (en) 1981-12-18
FR2484278B1 FR2484278B1 (en) 1984-10-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551191A1 (en) * 1983-08-26 1985-03-01 Taylor Freezer Co
WO2015177008A1 (en) * 2014-05-22 2015-11-26 Nestec S.A. Helical movement device
US20230263185A1 (en) * 2022-02-18 2023-08-24 Lingyu Dong Stirring Apparatus for Direct Expansion Evaporator of Ice Cream or Yogurt Machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011542A (en) * 1949-12-30 1952-06-24 Spatula refinements for ice cream turbines
US3641783A (en) * 1970-07-29 1972-02-15 Phelan Louis A M Scraper assembly and material retarder for a cylindrical continuous freezer
DE3000882A1 (en) * 1979-01-19 1980-07-31 Stoelting Inc CONVEYOR SCREW FOR AN ICE CREAM MACHINE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011542A (en) * 1949-12-30 1952-06-24 Spatula refinements for ice cream turbines
US3641783A (en) * 1970-07-29 1972-02-15 Phelan Louis A M Scraper assembly and material retarder for a cylindrical continuous freezer
DE3000882A1 (en) * 1979-01-19 1980-07-31 Stoelting Inc CONVEYOR SCREW FOR AN ICE CREAM MACHINE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551191A1 (en) * 1983-08-26 1985-03-01 Taylor Freezer Co
WO2015177008A1 (en) * 2014-05-22 2015-11-26 Nestec S.A. Helical movement device
US10588328B2 (en) 2014-05-22 2020-03-17 Societe Des Produits Nestle S.A. Helical movement device
USRE49350E1 (en) 2014-05-22 2023-01-03 Societe Des Produits Nestle S.A. Helical movement device
US20230263185A1 (en) * 2022-02-18 2023-08-24 Lingyu Dong Stirring Apparatus for Direct Expansion Evaporator of Ice Cream or Yogurt Machine

Also Published As

Publication number Publication date
FR2484278B1 (en) 1984-10-19

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