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US3767169A - Automatic ice-cream machine - Google Patents

Automatic ice-cream machine Download PDF

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Publication number
US3767169A
US3767169A US00218801A US3767169DA US3767169A US 3767169 A US3767169 A US 3767169A US 00218801 A US00218801 A US 00218801A US 3767169D A US3767169D A US 3767169DA US 3767169 A US3767169 A US 3767169A
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Prior art keywords
bearing
mounting
helical blade
housing
resilient means
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Expired - Lifetime
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US00218801A
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P Carpigiani
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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
    • A23G9/10—Batch production using containers which are rotated or otherwise moved in a cooling medium
    • A23G9/103—Batch production using containers which are rotated or otherwise moved in a cooling medium the container rotating about its own axis
    • A23G9/106—Batch production using containers which are rotated or otherwise moved in a cooling medium the container rotating about its own axis provided with agitating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A47J43/07—Parts or details, e.g. mixing tools, whipping tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A47J43/07—Parts or details, e.g. mixing tools, whipping tools
    • A47J43/0705—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the upper side
    • 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
    • B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/231—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with a variable orientation during mixing operation, e.g. with tiltable rotor axis
    • B01F27/2312—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with a variable orientation during mixing operation, e.g. with tiltable rotor axis the position of the rotating shaft being adjustable in the interior of the receptacle, e.g. to locate the stirrer in different locations during the mixing
    • 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
    • B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
    • B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
    • 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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
    • 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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F29/00—Mixers with rotating receptacles
    • B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
    • B01F29/83—Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
    • 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
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/411—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft
    • B01F35/4111—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft at the top of the receptacle
    • 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
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/352—Bearings
    • 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
    • B01F27/05—Stirrers
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall

Definitions

  • This invention relates to automatic icecream machines and in particular to an automatic ice creammaking machine of the kind in which an ice-cream mixture is contained in a rotatable refrigerated can provided with a rotatable helical blade arranged to exert a mixing action on the ice-cream mixture tangentially to the wall of the revolving can.
  • the rotating helical blade in order to obtain a goodmixing action, is required to scrape the can wall.
  • the end of the shaft carrying the helical blade and which is located in the can is usually supported by a ball bearing seated in a housing formed in a mounting member which is eccentrically arranged with respect to the shaft axis, so that by rotation of the mounting member relative to a stationary support therefor an accurate location of the helical blade relative to the can can be obtained.
  • the bearing for the end of the helical blade carrying shaft which extends into the refrigerating can is so located in a housing in a mounting member therefor that it is free to move radially relative to the housing and resilient means is located between the housing and the periphery of the bearing to maintain the helical blade in scraping relation with the can wall.
  • FIG. 1 is a diagrammatic view of an automatic icecream machine, the can of the machine being shown partly in section, and
  • FIG. 2 is a section illustrating a bearing for the lower end of a shaft carrying a helical blade forming a part of the automatic ice-cream machine shown in FIG. 1.
  • the helical blade 4 is rotated tangentially with respect to the inside wall of the can 1 so that during every turn thereof the blade 4 thoroughly scrapes ice-cream adhering to the inside wall of the can.
  • the end of the shaft 3 which extends into the can 1 is supported by a mounting member 5 which is accommodated in a cylindrical recess formed in a base plate 6 and whose axis is eccentric to the axis of shaft 3.
  • a mounting member 5 which is accommodated in a cylindrical recess formed in a base plate 6 and whose axis is eccentric to the axis of shaft 3.
  • the mounting member 5 forms a housing which seats a ball bearing 7 (FIG. 2) which supports the lower end of the shaft 3. Adjustment of the position of the blade relative to the can in the manner just described is adequate while the can 1 remains truly cylindrical throughout its length. However, it happens that sometimes the can may become deformed at some points. Should this occur then during the operation of the machine the blade 4 will violently strike such deformed points.
  • this disadvantage is removed or at least considerably reduced by providing a resilient member between the outer race of the ball bearing 7 and the housing in the mounting member 5 in which the bearing 7 is seated.
  • the resilient member is made in a manner such as to allow a lateral movement, of the order of about 1 millimeter, of the bearing 7, that is movement radially of the housing in the mounting member 5.
  • the mounting member 5 is, as stated above, provided with a circular recess in which the ball bearing 7 is seated.
  • the recess has a diameter greater than that of the ball bearing 7 and is divided into two annular grooves by an annular rib 8 whose internal diameter is slightly greater than the outer diameter of the ball bearing 7.
  • the grooves formed by the rib 8 are fitted with rings 9 and 10 of circular cross-section and made of soft rubber or similar resilient material which retain the bearing 7 in its seating by resilient pressure exerted on the bearing. If desired more than two rings may be used the grooves therefor being provided by appropriately disposed annular ribs similar to rib 8.
  • both resilient rings 9 and 10 are compressed, so that a lateral movement of the bearing 7, and therefore of the helical blade 4, is effected, while the pressure exerted by the rings 9 and 10 on the bearing 7 is sufficient to assure a correct scraping of the can by the blade 4.
  • the helical blade is continuously maintained in contact with the can walls, even at eccentric points thereof.
  • a resilient sleeve or like member for example a rubber sleeve, may be provided instead of the rings 9, 10.
  • an automatic ice-cream machine including a rotatable can and a rotatable shaft one end of which extends into the can and carries a can wall-scraping helical blade, and a mounting for said one end of the helical blade shaft
  • said mounting comprises a mounting member carried by a fixed part of the machine, a bearing seated in a housing formed in the mounting member and arranged to be movable in a radial direction relative to its seating, and resilient means interposed between the housing and the outer periphery of the bearing to maintainv the helical blade in scraping relation with the can wall.
  • a mounting according to claim 1, wherein the resilient means comprises a rubber sleeve.
  • a mounting according to claim 1, wherein the resilient means comprises at least two rings of circular cross-section made of soft rubber or similar resilient material.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Confectionery (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The helical blade stirrer of an automatic ice-cream machine is as is customary located for rotation in the refrigerating can to be tangential thereto so as to scrape the side of the can. To accommodate deformation of points on the side of the can without permanent re-location of the helical blade the bearing for the end of the blade shaft which is located in the can is arranged to float radially in its housing and is maintained in the housing by resilient annular means such as rubber rings interposed between the housing and the periphery of the bearing.

Description

I United States Patent 11 1 1111 3,767,169
Carpigiani Oct. 23, 1973 AUTOMATIC ICE-CREAM MACHINE 3,188,677 6/1965 Jamison 15 2465 2,114,670 4 1938 S l 308 26 [76] Invent: Anmla Emma, 2,127,777 aims 259is5 Bologna, Italy [22] Filed; Jan. 18, 1972 Primary Examineri-larvey C. Hornsby Assistant ExaminerPhilip R. Coe [21] Appl' 21880l Attorney-Edwin E. Greigg [30] Foreign Application Priority Data [57] ABSTRACT Jan. 26, 197! Italy l2452 A/7l The helical blade stirrer of an automatic ice-cream machine is as is customary located for rotation in the [52] U.S. Cl. 259/85, l5/246.5, 259/DlG. l6, refrigerating can to be tangential thereto so as to 259/DIG. 34, 308/26, 308/184 R scrape the side of the can. To accommodate deforma- [51] Int. Cl. B0lf 9/10 tion of points on the side of the can without perma- [58] Field of Search 259/16, 33, 49, 51, nent re-location of the helical blade the bearing for 259/58, 85, DIG. l6, DIG. 34; 308/184 R, the end of the blade shaft which is located in the can 26; 15/l04.1 C, 246.5 is arranged to float radially in its housing and is main- K tained in the housing by resilient annular means such [56] References Cited as rubber rings interposed between the housing and UNITED STATES PATENTS the p p y of the bearing- 2,5l9,543 8/1950 Carpigiani ...'259/85 6 Claims, 2 Drawing Figures AUTOMATIC ICE-CREAM MACHINE.
BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to automatic icecream machines and in particular to an automatic ice creammaking machine of the kind in which an ice-cream mixture is contained in a rotatable refrigerated can provided with a rotatable helical blade arranged to exert a mixing action on the ice-cream mixture tangentially to the wall of the revolving can.
2. Description of the Prior Art.
In machines of the above kind the rotating helical blade, in order to obtain a goodmixing action, is required to scrape the can wall. To this end, the end of the shaft carrying the helical blade and which is located in the can is usually supported by a ball bearing seated in a housing formed in a mounting member which is eccentrically arranged with respect to the shaft axis, so that by rotation of the mounting member relative to a stationary support therefor an accurate location of the helical blade relative to the can can be obtained.
However it sometimes happens that the can may become deformed during operation of the machine so that the rotating helical blade violently strikes against the deformed points of the can. To prevent such action it has hitherto been necessary to adjust the position of the blade relative to the can by shifting the blade slightly away from its ideal tangential position with re.-'
spect to the can. It is a main object of the invention to meet this disadvantage by so mounting the bearing for the end of the shaft which extends into the can so as to accommodate for irregularities in the cylindrical form of the can without effecting a permanent re-positioning of the blade relative to the can.
SUMMARY According to the invention the bearing for the end of the helical blade carrying shaft which extends into the refrigerating can is so located in a housing in a mounting member therefor that it is free to move radially relative to the housing and resilient means is located between the housing and the periphery of the bearing to maintain the helical blade in scraping relation with the can wall.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagrammatic view of an automatic icecream machine, the can of the machine being shown partly in section, and
FIG. 2 is a section illustrating a bearing for the lower end of a shaft carrying a helical blade forming a part of the automatic ice-cream machine shown in FIG. 1.
DESCRIPTION OF THE PREFERRED EMBODIMENT The helical blade 4 is rotated tangentially with respect to the inside wall of the can 1 so that during every turn thereof the blade 4 thoroughly scrapes ice-cream adhering to the inside wall of the can.
To permit accurate adjustment of the position of the blade 4 relative to the can 1, the end of the shaft 3 which extends into the can 1 is supported by a mounting member 5 which is accommodated in a cylindrical recess formed in a base plate 6 and whose axis is eccentric to the axis of shaft 3. Thus by angularly adjusting the mounting member 5 in the recess, the helical blade 6 can be moved towards or away from the inner wall of the can 1.
The mounting member 5 forms a housing which seats a ball bearing 7 (FIG. 2) which supports the lower end of the shaft 3. Adjustment of the position of the blade relative to the can in the manner just described is adequate while the can 1 remains truly cylindrical throughout its length. However, it happens that sometimes the can may become deformed at some points. Should this occur then during the operation of the machine the blade 4 will violently strike such deformed points.
This inconvenience has hitherto been accommodated by so positioning the helical blade so as to prevent the blade from contacting the deformed points. This however entails the necessity of drawing the helical blade away from the tangent with the can wall and this results in the can wall being no longer thoroughly scraped. This constitutes a disadvantage because it has a detrimental effect on the quality of the ice-cream being produced, due to the fact that the ice-cream which remains adherent to the can walls tends to produce ice crystals which are then found in the final (ice-cream) product.
According to the present invention, this disadvantage is removed or at least considerably reduced by providing a resilient member between the outer race of the ball bearing 7 and the housing in the mounting member 5 in which the bearing 7 is seated.
The resilient member is made in a manner such as to allow a lateral movement, of the order of about 1 millimeter, of the bearing 7, that is movement radially of the housing in the mounting member 5.
Referring particularly to FIG. 2, the mounting member 5 is, as stated above, provided with a circular recess in which the ball bearing 7 is seated. The recess has a diameter greater than that of the ball bearing 7 and is divided into two annular grooves by an annular rib 8 whose internal diameter is slightly greater than the outer diameter of the ball bearing 7. The grooves formed by the rib 8 are fitted with rings 9 and 10 of circular cross-section and made of soft rubber or similar resilient material which retain the bearing 7 in its seating by resilient pressure exerted on the bearing. If desired more than two rings may be used the grooves therefor being provided by appropriately disposed annular ribs similar to rib 8.
When an abnormal radial stress is exerted upon the helical blade 4, due for example to any eccentricity of the can, both resilient rings 9 and 10 are compressed, so that a lateral movement of the bearing 7, and therefore of the helical blade 4, is effected, while the pressure exerted by the rings 9 and 10 on the bearing 7 is sufficient to assure a correct scraping of the can by the blade 4. Thus the helical blade is continuously maintained in contact with the can walls, even at eccentric points thereof.
If desired, a resilient sleeve or like member, for example a rubber sleeve, may be provided instead of the rings 9, 10.
1 claim:
1. In an automatic ice-cream machine including a rotatable can and a rotatable shaft one end of which extends into the can and carries a can wall-scraping helical blade, and a mounting for said one end of the helical blade shaft, the improvement wherein said mounting comprises a mounting member carried by a fixed part of the machine, a bearing seated in a housing formed in the mounting member and arranged to be movable in a radial direction relative to its seating, and resilient means interposed between the housing and the outer periphery of the bearing to maintainv the helical blade in scraping relation with the can wall.
2. A mounting according to claim 1, wherein the resilient means comprises a rubber sleeve.
3. A mounting according to claim 1, wherein the resilient means comprises at least two rings of circular cross-section made of soft rubber or similar resilient material.
4. A mounting according to claim 3, wherein the housing includes at least one radially inwardly directed annular rib forming annular grooves in which the rings are located.
5. A mounting according to claim 4, wherein the nature of the resilient means is such as to permit radial movements of the bearing of the order of l millimeter.
6. A mounting according to claim 1, wherein the nature of the resilient means is such as to permit radial movements of the bearing of the order of l millimeter. k t

Claims (6)

1. In an automatic ice-cream machine including a rotatable can and a rotatable shaft one end of which extends into the can and carries a can wall-scraping helical blade, and a mounting for said one end of the helical blade shaft, the improvement wherein said mounting Comprises a mounting member carried by a fixed part of the machine, a bearing seated in a housing formed in the mounting member and arranged to be movable in a radial direction relative to its seating, and resilient means interposed between the housing and the outer periphery of the bearing to maintain the helical blade in scraping relation with the can wall.
2. A mounting according to claim 1, wherein the resilient means comprises a rubber sleeve.
3. A mounting according to claim 1, wherein the resilient means comprises at least two rings of circular cross-section made of soft rubber or similar resilient material.
4. A mounting according to claim 3, wherein the housing includes at least one radially inwardly directed annular rib forming annular grooves in which the rings are located.
5. A mounting according to claim 4, wherein the nature of the resilient means is such as to permit radial movements of the bearing of the order of 1 millimeter.
6. A mounting according to claim 1, wherein the nature of the resilient means is such as to permit radial movements of the bearing of the order of 1 millimeter.
US00218801A 1971-01-26 1972-01-18 Automatic ice-cream machine Expired - Lifetime US3767169A (en)

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IT1245271 1971-01-26

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US (1) US3767169A (en)
AR (1) AR198613A1 (en)
AT (1) AT312016B (en)
AU (1) AU451415B2 (en)
BE (1) BE778487A (en)
BR (1) BR7200485D0 (en)
CA (1) CA949812A (en)
CH (1) CH528709A (en)
DE (1) DE2200174A1 (en)
ES (1) ES399561A1 (en)
FR (1) FR2124791A5 (en)
GB (1) GB1323538A (en)
IL (1) IL38580A (en)
NL (1) NL7201045A (en)
NO (1) NO129060B (en)
SE (1) SE7200763L (en)
YU (1) YU33542B (en)
ZA (1) ZA72352B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958722A (en) * 1974-11-20 1976-05-25 Acf Industries, Incorporated Self indexing elbow
US5598747A (en) * 1995-05-04 1997-02-04 Dana Corporation Thermal compensating bearing support structure for transmission case
US20040004304A1 (en) * 2002-07-05 2004-01-08 Gino Cocchi Method for the production of integrated sealing elements on plastics articles by overmoulding with silicone films
CN104689741A (en) * 2013-12-03 2015-06-10 帕尔公司 Mechanical agitator with seal housing assembly
IT201600090540A1 (en) * 2016-09-07 2018-03-07 Noitre S R L KEEPER FOR FROZEN PRODUCTS CONTAINED IN CONTAINERS.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9302812U1 (en) * 1993-02-26 1993-04-15 Hydrogeologie GmbH, O-5500 Nordhausen Mixing device for solids in a reactor
IT201800005330A1 (en) * 2018-05-14 2019-11-14 MACHINE FOR THE MAKING OF LIQUID OR SEMI-LIQUID FOOD PRODUCTS.
CN112957905A (en) * 2021-02-04 2021-06-15 袭兴录 Energy-saving biological environment-friendly deodorization device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114670A (en) * 1936-02-11 1938-04-19 Fafnir Bearing Co Pillow block
US2127777A (en) * 1936-01-23 1938-08-23 Kunzi Hugo Ice-cream freezer
US2519543A (en) * 1945-07-28 1950-08-22 Carpigiani Poerio Mixing and scraping machine, especially adapted for use as icecream freezers
US3188677A (en) * 1963-02-07 1965-06-15 Nelson Chemical Company Rotary scraper blade

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127777A (en) * 1936-01-23 1938-08-23 Kunzi Hugo Ice-cream freezer
US2114670A (en) * 1936-02-11 1938-04-19 Fafnir Bearing Co Pillow block
US2519543A (en) * 1945-07-28 1950-08-22 Carpigiani Poerio Mixing and scraping machine, especially adapted for use as icecream freezers
US3188677A (en) * 1963-02-07 1965-06-15 Nelson Chemical Company Rotary scraper blade

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958722A (en) * 1974-11-20 1976-05-25 Acf Industries, Incorporated Self indexing elbow
US5598747A (en) * 1995-05-04 1997-02-04 Dana Corporation Thermal compensating bearing support structure for transmission case
US20040004304A1 (en) * 2002-07-05 2004-01-08 Gino Cocchi Method for the production of integrated sealing elements on plastics articles by overmoulding with silicone films
US7476353B2 (en) * 2002-07-05 2009-01-13 Ali S.P.A. Carpigiani Group Method for producing an ice cream machine
US20090200696A1 (en) * 2002-07-05 2009-08-13 Gino Cocchi Method for the productio of integrated sealing elements on plastic articles by overmoulding with silicone films
US8404166B2 (en) 2002-07-05 2013-03-26 Carpigiani Group—Ali S.p.A. Method for the production of integrated sealing elements on plastic articles by overmoulding with silicone films
CN104689741A (en) * 2013-12-03 2015-06-10 帕尔公司 Mechanical agitator with seal housing assembly
JP2015110223A (en) * 2013-12-03 2015-06-18 ポール・コーポレーションＰａｌｌＣｏｒｐｏｒａｔｉｏｎ Mechanical agitator with seal housing assembly
EP2889080A3 (en) * 2013-12-03 2015-09-30 Pall Corporation Mechanical agitator with seal housing assembly
CN104689741B (en) * 2013-12-03 2017-03-29 帕尔公司 Mechanical agitator with sealed housing assembly
US9880067B2 (en) 2013-12-03 2018-01-30 Pall Corporation Mechanical agitator with seal housing assembly
IT201600090540A1 (en) * 2016-09-07 2018-03-07 Noitre S R L KEEPER FOR FROZEN PRODUCTS CONTAINED IN CONTAINERS.

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BR7200485D0 (en) 1973-05-24
AU3810772A (en) 1973-07-26
NO129060B (en) 1974-02-18
FR2124791A5 (en) 1972-09-22
AR198613A1 (en) 1974-07-15
YU5372A (en) 1976-12-31
SE7200763L (en) 1972-07-27
ES399561A1 (en) 1974-11-01
BE778487A (en) 1972-05-16
AT312016B (en) 1973-12-10
NL7201045A (en) 1972-07-28
IL38580A0 (en) 1972-03-28
ZA72352B (en) 1972-09-27
CA949812A (en) 1974-06-25
DE2200174A1 (en) 1972-08-10
CH528709A (en) 1972-09-30
GB1323538A (en) 1973-07-18
YU33542B (en) 1977-06-30
AU451415B2 (en) 1974-08-08
IL38580A (en) 1975-02-10

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