US20040069152A1 - Food processing apparatus - Google Patents

Food processing apparatus Download PDF

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Publication number
US20040069152A1
US20040069152A1 US10655327 US65532703A US2004069152A1 US 20040069152 A1 US20040069152 A1 US 20040069152A1 US 10655327 US10655327 US 10655327 US 65532703 A US65532703 A US 65532703A US 2004069152 A1 US2004069152 A1 US 2004069152A1
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Prior art keywords
blancher
tank
end plate
welded
main portion
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.)
Abandoned
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US10655327
Inventor
David Zittel
Daniel Maupin
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Lyco Manufacturing Inc
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Lyco Manufacturing Inc
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/02Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching
    • A23N12/04Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching for blanching
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/06Blanching

Abstract

A frameless food blancher has a steel tank of generally U-shaped, transverse cross sectional shape and also has an open top with opposite sides. The opposite sides each have an upper edge bent inwardly and downwardly to form an upwardly facing water trough. A rigidifying steel member co-extensive in length with the trough is welded to it, and is also welded to the outer side of the tank. The trough and member form a cross section shape of triangular-box-cross-section and act to rigidify the sides. The blancher has opposite ends and an end plate is fabricated from sheet steel and has a main portion welded to each of the opposite ends of the tank. These plates also each having a leg portion integral with the main portion for supporting the blancher. The end plates are formed by being cut by a CNC laser machine which simultaneously forms a series of holes extending through the end plate. A method of manufacturing the steel end plate for a food blancher, the end plate has a main portion for being welded to a tank end and an integral leg portion extending from the main portion. The method is accomplished by providing a steel sheet and automatically cutting out the main portion and the integral leg portion, and also substantially simultaneously locating and cutting holes in the end portion, all cutting being done automatically by a CNC laser machine

Description

    FIELD OF THE INVENTION
  • This invention relates to apparatus for processing food in general and in particular to apparatus for heating food products within a water bath. [0001]
  • BACKROUND OF THE INVENTION
  • In the apparatus of the type to which the present invention pertains, it is necessary to produce a blancher at a minimum cost and of simplified design. [0002]
  • Prior art blanchers utilize a separate frame for supporting the tank of the blancher which may include a framework welded together and including legs in the frame for supporting the main portion of the blancher. Such blanchers are shown in U.S. Pat. No. 5,429,041, issued Jul. 4, 1995 to Zittel; U.S. Pat. No. 5,592,869, issued Jan. 14, 1997 to Zittel; U.S. Pat. No. 5,133,249, issued Jul. 28, 1992 to Zittel; and U.S. Pat. No. 4,942,810, issued Jul. 24, 1990 to Zittel and Robbins et al. [0003]
  • The prior art including the above patents utilize a separate framework which is welded together and then the tank itself is assembled into this framework. This separate frame construction results in considerable cost. [0004]
  • The prior art constructions also required many feet of welding to provide a water seal between the cover of the blancher and the lower tank portion thereof. [0005]
  • SUMMARY OF THE INVENTION
  • The blancher of the present invention provides a frameless design and a simplified water seal between the cover and the lower tank. The lack of a separate frame structure is possible by the use of end plates for the tank, which have integrally formed legs. These end plates for the tank can be cut on a CNC (Computer Numerical Control) laser machine which locates all of the holes in the end plate precisely and which permits subsequent robotic welding of attached tubes, as will appear. These end plates are welded to each end of the lower tank portion. The end plates with the integral legs are fabricated to form the particularly rigid and strong structure. [0006]
  • Another object of the invention is to provide a simplified cover for the tank and together therewith forms a simplified water seal between the cover and the tank which eliminates many feet of welding in such a structure. [0007]
  • The invention also provides a particularly rigid structure which includes the U-shape tank having an end plate with integral legs welded to each end of the tank and also having a pair of main tubes extending between the two end plates and rigidly secured thereto as by welding. The upper opposite edges of the tank are formed in a particularly rigid manner by means of being fabricated to form a water seal for the cover. These two rigid upper edges of the tank, together with the two main tubes and the end plates with integral legs, all form a particularly rigid and economically produced structure. In addition, they permit easy assembly, handling, strength, and the ability to accommodate thermal stresses. [0008]
  • The present invention also provides a method of manufacturing a steel end plate for a food blancher. The CNC laser machine is used with the present manufacturing process and is of itself a conventional but improved design. This machine is engineered to maximize beam intensity and provides a constant length pivoting beam, which minimizes beam divergence. Vibration has been reduced using computer-aided engineering. These machines are of the CO[0009] 2 gas laser type having a wavelength of 10.6 micron non-visible light. If other characteristics of this laser machine are deemed to be either necessary or desirable, reference may be had to the Mazak Nissho Iwai Company located in Schaumburg, Ill. 60173.
  • These and other objects and advantages of the present invention will appear hereinafter as this disclosure progresses.[0010]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a general perspective view of the frameless blancher of the present invention and shown in the assembled position. [0011]
  • FIG. 2 is an enlarged, fragmentary view of the front end portion of the blancher shown in FIG. 1 but also showing the cover in the raised position. [0012]
  • FIG. 3 is a transverse sectional view through the blancher and on a slightly enlarged scale. [0013]
  • FIG. 4 is an enlarged, fragmentary view of the water seal between the cover and the tank, the view being an enlargement of the corresponding portion shown in FIG. 3. [0014]
  • FIG. 5 is a perspective, view of the tank with the end plates welded thereto and also showing the rotary support drums located generally centrally of the length of the tank. [0015]
  • FIG. 6 is a perspective, exploded view of the tank, the end plates with integral legs, and two main tubes extending between the end plates and welded thereto. [0016]
  • FIG. 7 is a fragmentary cross-sectional view through the end plate and a main tube welded thereto. [0017]
  • FIG. 8 is an enlarged detail of the rigid upper edge of the tank, which is formed along each upper edge of the tank and which, together with the main tubes, the tank, and the end plates with integral legs, form a particularly rigid structure.[0018]
  • DESCRIPTION OF A PREFERRED EMBODIMENT
  • Referring to FIG. 1, the general organization of the improved blancher includes the generally U-shaped in cross-section tank [0019] 10, the cover 11 extending co-extensively with the tank 10, two end plates 12 and 13 with integral legs. As shown in FIG. 2, the cover 11 can be raised and thus separated from the tank by means of the hydraulic or electric cylinders 16 located at each corner of the blancher and connected between the end plates 12 and 13.
  • Plates [0020] 12 and 13 are similarly formed and have a main portion 17 (FIG. 3) and a lower leg portion 18.
  • The end plates [0021] 12 and 13 with integral legs are fabricated from heavy sheet steel of a thickness, for example, ⅜ of an inch.
  • As shown clearly in FIG. 2, the end plates [0022] 12 and 13 have a series of precisely located holes formed therein by being cut on a CNC laser machine simultaneously with the cutting of the end plate itself. These end plates are the main structural support for the blancher and result in considerable material saving and labor due to the lack of framework material being otherwise required as in conventional blanchers. The holes in the end plate include those previously mentioned for the two tubes 14 and 15, welded therein. The tubes 14 and 15 are also utilized by acting as conduits or enclosures for running air or hydraulic lines, etc., or other utility members.
  • As an example of the use of the other holes, hole [0023] 20 is for water discharge (as will appear), hole 21 is for steam, hole 22 is for a thermometer, hole 23 is for steam, holes 24 and 25 are for air discharge, with all of these holes being accurately and efficiently formed by a laser controlled numerical cutting device.
  • It will be noted that the end plates have outwardly turned flanges along their opposite vertical edge. The lower portion of the end plates [0024] 12 and 13 has, respectively, outwardly turned flanges 12A and 13A along the vertical sides. Flanges 12B and 13B are formed along the lower edges of plates 12 and 13, respectively. The flanges 12A and 12B are welded together at their corner intersection as shown in FIG. 3 and the end plate 13 at the opposite end of the blancher is similarly formed, resulting in end plates that are particularly strong and rigid.
  • Along the length of the upper edges of the tank, as shown clearly in FIGS. 3, 4, [0025] 6 and 8, are formed water seals between the cover 11 and the tank 10. More particularly, as shown clearly in FIG. 8, the upper edge of the tank 10 has an inwardly turned portion 28 that terminates in an upper end 28 a. A steel rigidifying member 26 extends along the upper edge of the length of each side of the tank, Member 26 is bent inwardly as at 27 and terminates in an upwardly facing trough 29 of which terminates in an upper free end 30. The lower edge 31 of member 26 is welded at 32 along the length of the outside of the tank. The upper end of member 28 a is welded all along at 33 to the free end 30 of the trough 29.
  • This design requires only two lengths of welding on each side of the tank and is relatively easy to make because the joints are easily accessible. [0026]
  • The upper corner of the tank is thus formed as a generally triangular in cross section box B, is particularly rigid and resists twisting and bending of the tank. This construction also maintains the shape and straightness of the assembly during construction. Also, the trough is concealed within the blancher and shielded from contact by the operator. [0027]
  • This simplified water seal also results in a simplified cover design which is relatively light and inexpensive to manufacture. [0028]
  • Thus, along each upper edge of the tank a rigidifying structure is provided, which together with the tubes [0029] 14 and 15, the tank 10, end plates 12 and 13, forming the integral legs, create a strong and rigid structure without the necessity for additional framework.
  • As shown in FIGS. 3 and 4, to form the water seal along the entire length of the upper edges of the tank, the cover [0030] 11 has an inwardly turned portion 34 along its length, at each side. This portion 34 terminates in a downwardly turned portion 35 that is located in the trough or channel 29 of the tank as shown in FIG. 4. Thus, the moisture water flows down the inner side of the cover 11 and into the trough 29 where it is drained out of the tank for example, through the end plate holes 20 (FIGS. 2 and 5).
  • A water seal is also formed between the end plates [0031] 12 and 13 of the tank and ends 11A of the cover 11 (FIG. 2). A flange 11B is formed by bending along the lower, inside edge of each end 11A of the cover and its lower edge is received in the trough 46 (FIGS. 2 and 5) that is welded along the inner side of the end plates 12 and 13. The end troughs 46 are in communication with the side troughs 29 at their corner points of juncture and are both then drained out of the previously mentioned holes 20.
  • Within the tank is located the conventional rotary apparatus [0032] 49 for moving the product from the inlet end 50 (FIG. 2) to the outlet end 52 (FIG. 3) in the known manner. This rotary food transporting apparatus is shown in the above mentioned patents and others, and which patents are incorporated here by reference. A further description of such food transporting apparatuses is deemed neither desirable nor necessary in the present application.
  • As shown in FIG. 5 conventional means are provided for supporting rotary drums of the food transporting apparatus as shown and described in U.S. Pat. No. 5,429,041 (FIG. 11). These two separate rotary drums are driven at each end of the blancher by a pulley [0033] 60 (FIGS. 1 and 2) which, in turn, is driven by the shaft 61 from the electric motor 62 (mounted on the platform 63) in the known manner. This driving arrangement is the same at each end of the blancher.
  • RECAPITULATION
  • As shown in FIG. 6, the present invention provides a particularly rigid basic structure for a food blancher and which includes the tank [0034] 10 having a rigidifying upper edge along either of its sides, formed by the water seal, the two end plates 12 and 13 with integral legs, the end plates being formed simultaneously with the necessary openings by means of CNC laser operation. The basic tank is furthermore rigidified and strengthened by the two elongated tubes 14 and 15 welded at each of their ends to the end plates. These tubes take significant stress off the tank.
  • The end plate of the tank can be cut on a CNC laser machine which also locates all of the holes precisely and which permits robotic welding of parts to be subsequently attached. This structure provides a material saving due to the lack of a frame material. This frameless design also provides the simplified water seal along each side of the machine between the tank and cover and which results in a cover design which is lighter and less expensive than prior art devices. The end plates are provided with integrally formed legs and the entire arrangement permits the elimination of a separate frame structure. [0035]

Claims (16)

  1. 1. A frameless food blancher comprising, a steel tank of generally U-shaped, transverse cross sectional shape and having an open top with opposite sides, said opposite sides each having an upper edge bent inwardly to support and welded to a water trough extending inwardly therealong and thereby rigidifying said sides.
  2. 2. The blancher described in claim 1 further characterized by having opposite ends, an end plate fabricated from sheet steel and having a main portion welded to each of said opposite ends of said tank, said plates also each having a leg portion formed integrally with said main portion for supporting said blancher.
  3. 3. The blancher set forth in claim 2 wherein said end plate has a series of precisely located holes extending therethrough, which holes are located and cut precisely by a CNC laser cutting operation.
  4. 4. The blancher of claim 3 including a flange formed by bending along each of said main portions and their respective leg portion extending therefrom, said flange being bent at a substantial right angle to said main portion and said leg portion to rigidify said end plate.
  5. 5. The blancher set forth in claim 2 including a pair of tubes welded to and extending between said opposite end plates to rigidify said blancher.
  6. 6. A frameless food blancher comprising, a steel tank of generally U-shaped, transverse cross-sectional shape and having an open top with opposite sides, said opposite tank sides each having an upper portion bent inwardly and upwardly and terminating in an edge, and a rigidifying steel member co-extensive in length with said tank and having a lower edge welded to the outside of said tank, said steel member extending inwardly and forming an upwardly facing water trough therealong, said steel member welded to said edge of said upper portion of said tank side thereby forming a generally triangular in-cross-section box for rigidifying said sides.
  7. 7. The blancher described in claim 6 further characterized by having opposite ends, an end plate fabricated from sheet steel and having a main portion welded to each of said opposite ends of said tank, said plates also each having a leg portion formed integrally with said main portion for supporting said blancher, said end plates formed by being cut by a CNC laser machine which simultaneously forms a series of holes extending therethrough.
  8. 8. The blancher of claim 7 wherein said end plates have opposite vertical edges, including a flange formed by bending along each of said opposite vertical edges of said end plate main portions and their respective leg portion extending therefrom, said flange being bent at a substantial right angle to said main portion and said leg portions to rigidify said end plate.
  9. 9. The blancher set forth in claim 8 including a pair of tubes welded to and extending between said opposite end plates to rigidify said blancher.
  10. 10. A frameless food blancher comprising, a steel tank of generally U-shaped, transverse cross sectional shape and having an open top with opposite sides, said opposite sides each having an upper edge bent inwardly to partially form a water trough therealong and thereby rigidifying said sides, said blancher having opposite ends, two end plates fabricated from sheet steel and each having a main portion, one end plate welded to each of said opposite ends of said tank, said plates also each having a leg portion integrally formed with said main portion for supporting said blancher, and a flange formed by bending along each of said end plate main portions and their respective leg portion extending therefrom, said flanges being bent at a substantial right angle to said main portion and said leg portion to rigidify said end plates.
  11. 11. The blancher as described in claim 10 including a pair of rigid tubes welded to and extending between said opposite ends plates to rigidify said blancher.
  12. 12. As an article of manufacture, an end plate fabricated from sheet steel and for a frameless food blancher, said end plate having a main portion for being welded to a tank of said blancher, said plate also having leg portions integrally formed with said main portion and extending downwardly therefrom for supporting said blancher.
  13. 13. The article set forth in claim 12 wherein said end plate has a series of holes extending therethrough, which holes are located and cut precisely by a robotic laser machine.
  14. 14. The article of claim 13 including a flange formed by bending along each of said main portions their respective legs extending therefrom, said flange being bent at a substantial right angle to said main portion and said legs to rigidify said end plate.
  15. 15. A method of manufacturing a steel end plate for a food blancher, said end plate having a main portion for being welded to a tank end and an integral leg portion with a lower edge and extending from said main portion, said method comprising providing a steel sheet and automatically cutting out from said steel sheet, said main portion and said integral leg portion to form said end plate having opposite side edges and also substantially simultaneously locating and cutting holes in said end portion, all said cutting being done automatically by a CNC laser machine.
  16. 16. The method as claimed in claim 15 including bending outwardly turned flanges along said sides of said end plate, and bending outwardly turned flanges along said lower edge of said integral leg portion.
US10655327 2000-11-02 2003-09-04 Food processing apparatus Abandoned US20040069152A1 (en)

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US09705017 US6615707B1 (en) 2000-11-02 2000-11-02 Frameless blancher for food
US10655327 US20040069152A1 (en) 2000-11-02 2003-09-04 Food processing apparatus

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US10655327 US20040069152A1 (en) 2000-11-02 2003-09-04 Food processing apparatus

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US09705017 Continuation US6615707B1 (en) 2000-11-02 2000-11-02 Frameless blancher for food

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US20040069152A1 true true US20040069152A1 (en) 2004-04-15

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US09705017 Expired - Fee Related US6615707B1 (en) 2000-11-02 2000-11-02 Frameless blancher for food
US10135971 Abandoned US20020127318A1 (en) 2000-11-02 2002-04-30 End plate for a framless blancher for food
US10135953 Abandoned US20020119230A1 (en) 2000-11-02 2002-04-30 Method of manufacturing a steel end plate for a frameless blancher for food
US10655285 Abandoned US20040069151A1 (en) 2000-11-02 2003-09-04 Food processing apparatus
US10655327 Abandoned US20040069152A1 (en) 2000-11-02 2003-09-04 Food processing apparatus

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US09705017 Expired - Fee Related US6615707B1 (en) 2000-11-02 2000-11-02 Frameless blancher for food
US10135971 Abandoned US20020127318A1 (en) 2000-11-02 2002-04-30 End plate for a framless blancher for food
US10135953 Abandoned US20020119230A1 (en) 2000-11-02 2002-04-30 Method of manufacturing a steel end plate for a frameless blancher for food
US10655285 Abandoned US20040069151A1 (en) 2000-11-02 2003-09-04 Food processing apparatus

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EP (1) EP1203537B1 (en)
DE (2) DE60102277T2 (en)
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US6615707B1 (en) * 2000-11-02 2003-09-09 Lyco Manufacturing, Inc. Frameless blancher for food
US7640929B2 (en) * 2002-12-13 2010-01-05 Weber-Stephen Products Co. Barbecue grill cooking chamber with grease control structures
US20050082144A1 (en) * 2003-10-14 2005-04-21 Maupin Daniel D. High speed food product peeling or cleaning machine and method
US8191466B2 (en) 2009-09-30 2012-06-05 Lyco Manufacturing, Inc. Rotary screw blancher with fluid passage and fluid agitation
US20120167868A1 (en) * 2011-01-05 2012-07-05 Tuan Chang Baking Oven Structure
CN103126536B (en) * 2013-02-28 2015-07-15 许锦标 Pot cover control device applicable to full-automatic cooker

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US20020119230A1 (en) 2002-08-29 application
DK1203537T3 (en) 2004-04-13 grant
DE60102277D1 (en) 2004-04-15 grant
EP1203537B1 (en) 2004-03-10 grant
ES2217039T3 (en) 2004-11-01 grant
US20020127318A1 (en) 2002-09-12 application
DE60102277T2 (en) 2004-07-22 grant
EP1203537A1 (en) 2002-05-08 application
US6615707B1 (en) 2003-09-09 grant
US20040069151A1 (en) 2004-04-15 application

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