JP2548006B2 - Packaged food manufacturing method and apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a tubular packaged product obtained by packaging a food material in a moisture-permeable permeable packaging membrane, and a plurality of opposed rotary electrodes are provided. And a method for producing a packaged food, which can rapidly ripen heat and sterilize a food material by a current-carrying action which is performed while rolling on the spot by rolling operation of a roller or feeding and rolling toward one side. And its device.

[Prior Art] Conventionally, a packaged food manufacturing method for producing a packaged food by ripening heat sterilization by energizing the raw processed material filled in a packaging bag has not been disclosed before this application, for example, Japanese Patent Publication No. 55-48789. It is described in the official gazette, and its contents will be described with reference to FIGS. 13 and 14.

That is, the raw processed material A is filled and packaged in a packaging bag 2 in which a myriad of fine current-carrying holes 3 are formed on the entire front and back surfaces to form a package 1, and a salt water contact body is formed on the opposite surface of the package 1. A pair of electrodes 8 and 9 pressed against each other via 6 and 7, while the package 1 is formed into an arbitrary flat shape, and a pair of electrode plates 8 and 9 are energized to be sterilized by heat. Is.

In addition, 4 is a fastening tool for fastening both side ends of the packaging bag 1, 5 is a heat container for storing the packaged article 1, and 10 is
It is an insulator having a pressing action for forming the package 1 into an arbitrary flat shape.

[Problems to be Solved by the Invention] By the way, in the conventional method for producing a packaged food of this type, in order to uniformly apply an electric current to the raw processed material filled and accommodated in the packaging bag. Innumerable fine current-carrying holes are formed on the entire front and back surfaces of the packaging bag.

However, when using a packaging bag in which a large number of fine current-carrying holes are punched on the entire front and back as described above, uniform current-carrying action can be performed, but on the other hand, it takes time to punch the packaging bag, resulting in high cost. Perhaps, if the amount of electricity is suddenly increased during energization, the area around the micro energization holes becomes hot and the food material surface burns and discolors. The juice of the processed product stored in the packaging bag through the hole leaks to the outside and causes an unsanitary condition, which lowers the product value and, at the time of long-term storage of the electrically processed food, wraps it in a packaging film each time. There was a problem such as the necessity.

Therefore, the present invention, even if the food material is wrapped with a permeable membrane, while rolling the package by the rotation operation of a plurality of opposed rotating electrodes and rollers that are rotatably disposed around the package, respectively. An object of the present invention is to provide a food manufacturing method and an apparatus thereof, which can uniformly and rapidly heat a food material to obtain a food that is heat-sterilized by uniformly energizing the entire circumference of the packaged product.

[Means for Solving the Problems] A method for producing a food product according to the present invention for achieving the above object comprises: packaging a food material with a moisture-permeable packaging film body to form a tubular packaged product; The food material is sterilized by heat treatment by the energizing action applied between the opposed rotating electrodes while the product is rolled by the rotating operation of the plurality of opposed rotating electrodes and rollers arranged rotatably around the food item. It is a thing.

Further, the food manufacturing apparatus according to the present invention for achieving the above object is provided with a pair of left and right bearing lower bases that rotatably support both sides of the package on the base, and on the left and right paired bearing lower bases. A pair of left and right bearing upper bases that can be vertically slidable with one end as a fulcrum are provided to face each other, and a plurality of opposed rotating electrodes are provided on the pair of left and right bearing lower bases and bearing upper bases at intervals so as to contact the peripheral surface of the packaged product. And the rollers are installed around the shaft so that they can be interlocked in sequence.

[Operation] According to the food manufacturing method and the apparatus thereof according to the present invention,
While rotating the package by rotating the multiple opposed rotating electrodes and rollers that are rotatably arranged around it, the food material is heat-sterilized by the action of electricity applied between the opposed rotating electrodes. As a result, the food material is uniformly energized from its entire circumference, and a food product that has been heat-sterilized uniformly and rapidly can be obtained.

[Examples] The configuration of each apparatus for carrying out the method of the present invention will be described with reference to the preferred examples shown in the accompanying drawings.

In FIG. 1, 101 is a food material A, such as ham,
Membranes having moisture permeability to mixed materials such as sausage, crushed meat, aquatic animals and plants, clams, and cereals, or food materials other than the above, for example, cellulose casing, fibrous casing, and other both ends made of moisture permeable membranes A tubular packaged product formed by wrapping with an open moisture-permeable wrapping film body 102, wherein the open ends of the moisture permeable packaging film body 102 are filled with the food material A, and then an appropriate fastening tool is provided. Tighten with 103,103. The package 101 becomes electrically conductive by allowing the dilute salt water in the raw food material A to permeate due to the moisture permeability of the moisture-permeable packaging film body 102 itself. 104 is a plurality of counter electrodes 113, ..., 11 facing each other while rolling the package 101.
4 ... A packaged food manufacturing apparatus capable of rapidly sterilizing by heat and sterilized by an energizing action applied between them to manufacture a packaged food, wherein the structure of the manufacturing apparatus 104 is shown in FIG. As shown in FIG. 7, it is configured as follows.

That is, a pair of left and right bearing lower bases 106, 106 is installed upright on both left and right sides of the flat base 105. Further, arc-shaped recesses 107, 107 on which the package 101 is rotatably supported are provided on the upper end surfaces of the bearing lower bases 106, 106. Reference numerals 108 and 108 denote a pair of left and right bearing upper bases disposed on the bearing lower bases 106 and 106, respectively.
A lid plate 109 is installed on the upper part of the above so that the left and right bearing upper bases 108, 108 are integrally connected. Then, the above-mentioned pair of left and right bearing upper bases 108, 108 are provided with protruding bearing receiving pieces 110, 110 respectively on the lower portions on one side, and the pair of protruding bearing pieces 110, 110 are recessed in the upper surface of one side of the bearing lower bases 106, 106 so that both are described later. The rotating shafts 118, 118 of the rotating electrode 114 are connected to each other so that the bearing upper bases 108, 108 can be vertically slidable about the rotating shafts 118, 118. In addition, the bearing upper base 1 at a position facing the above-mentioned support recess 107, 107
The lower end surfaces of 08 and 108 are provided with arcuate holding recesses 112 and 112 for holding the upper surface side of the packaged product 101, respectively.
7, 107 and the recesses 112, 112 form a circular portion into which the package 101 is rotatably fitted. The support recess 107,107
And the bearing lower base 10 around the package 101 that is laterally fitted and supported between the circular portions formed by the holding recesses 112, 112.
A plurality of rotating electrodes 113, ..., 114, ... and a roller 115, ... which face each other between 6,106 and the bearing upper base 108, 108 are in contact with the periphery of the package 101, and a rotating shaft 117 .. , 118
, 119, ..., and one of the rotating shafts 117, ..., 118, ... which are laterally mounted via the shafts and which extend outward from the bearing lower base 106 and the bearing upper base 108. And 119 have rotating pulleys 120 ...
··· and 122 ··· are directly connected. Then, the rotary pulleys 120 ... 121, ... And 122
.. are sequentially suspended from one to the other so that they can be sequentially rotated by the driving force of one motor 123. Reference numeral 129 is a transmission belt suspended between a rotary pulley 130 of the motor 123 and one rotary pulley 121.

.., 114, ... At one end of the above-mentioned rotating electrodes 113, ...
.. and 134 .. are provided, and the plurality of rotating electrodes 113 ...
And 114 ... By energizing the space between them, package 101
On the other hand, the food material A can be sterilized by heat and heat so that the food material A has a good flavor by performing an even energizing action. 13
Reference numerals 5 and 136 are lead wires whose one ends are connected to the contact pieces 131 and 132, respectively. 137 is the bearing lower base 106,106 and the bearing upper base
There is a restraining gap formed between 108 and 108. Bearing base 1
Axial holes 138,138 opened on the upper side of one side of 06,106
Is formed in an elliptical shape, and the rotary shafts 117, 117 inserted into the shaft holes 138, 138 are configured to be constantly pressed against the package 101 by the elastic force of the elastic pressure devices 140, 140. Therefore, even when the package 101 is inflated, the single rotating electrode 113 having the pair of rotary shafts 117, 117 moves backward while being pressed against the peripheral surface of the package 101 by the elastic force of the elastic devices 140, 140. Prevents burst damage.

As shown in FIG. 6 and FIG. 7, the elastic pressure devices 140, 140 are fitted in the adjustment holes 139, 139 opened toward the shaft hole 138 in a part of the bearing lower base 106, respectively, and the elastic pressure devices 140, 140 are A bullet 143 is interposed between the shaft retainer 141 and the push screw 142 screwed into the adjustment hole 139. Therefore, the manufacturing method of the present invention can be carried out by using the manufacturing apparatus 104 described above with reference to FIGS.

Reference numeral 144 denotes a humidifying roller that is sufficiently moistened with dilute salt water. By replacing the humidifying roller 114 with one of the rollers 115 shown in FIGS. 2 to 5, The present invention can be implemented in the arrangement shown in FIG.

145 is a water-containing contactor made of a fibrous material or the like that is sufficiently moistened with dilute salt water.
By covering the peripheral surface of 01, the salt water is allowed to permeate the moisture permeable packaging film body 102 from the outer surface side, and in combination with the moisture permeation action of the salt-containing water contained in the food material A, Further, the entire package 101 can be quickly made conductive, or the package 101 can be protected by the covered hydroelectric contactor 145 to prevent its damage.

Therefore, if the package 101 covered with the water-containing electric contact 145 is used in place of the manufacturing apparatus 104 shown in FIGS. 2 to 7, the fifth invention can be easily carried out. One of the rollers 115 under the humidifying roller 144
Then, the arrangement as shown in FIG. 10 is obtained, and the manufacturing method of the sixth invention can be easily carried out.

146 ... and 147 ... are a plurality of opposed feed rotary electrodes having spiral feed grooves 148 ... and 149 ... A feed roller having a spiral feed groove 151 formed therein, wherein the feed rotary electrodes 146, ..., 147 ... And the feed roller 150 are shown in FIGS. 2 to 7. If the rotating electrodes 113, ..., 114 ... of 104 and the rollers 115 are used in place, the arrangement shown in FIG.
, 147 ..., A plurality of feed rotary electrodes facing each other while feeding and rolling the one side to distribute the current evenly by the energizing action provided between the feed rotary electrodes 146 ..., 147 ... It can be sterilized by heat under a good condition.

Numeral 152 is a groove that is sufficiently moistened with dilute salt water and has a feed groove 153 on its surface.
A feed / humidification roller engraved with
.., 147 ..., and the feed / humidifying roller 152, and the package 101 having the surface covered with the water-containing electric contact 145.
When set so as to be arranged as shown in the figure, the package 101 with the water-containing electric contact 145 remoistened on the surface of the package 101 has a plurality of feed rotary electrodes 146, ..., 147 ... While being fed and rolled in one direction by 152, the diluted salt water is supplemented from the outer surface to impart conductivity for a longer period of time, and as a result, the feed rotary electrode 146 ...
By the energizing action of and 147 ..., The electric current can be evenly distributed over the entire package 101, and the food material A can be sterilized by heat and heat so that it has a good taste.

All of the moisturizing roller 144, the water-containing electric contact 145, and the feed moisturizing roller 152 may be moistened by spraying or applying dilute salt water or any other means.

[Effects of the Invention] In summary, since the present invention is equipped with the method and apparatus as described above, the package 101 makes the entire surface electrically conductive by allowing the salt-containing water contained in the food material A to permeate from the inner surface. Perhaps, the plurality of rotating electrodes 113, ..., 114 ..., and the rollers 115 ,.
..While it can be rolled in one direction by rotating operation of the rotating electrode 113 for the package 101 while rolling,
··································· Effects that the current can be evenly distributed by the energizing action applied between them to rapidly sterilize the food material A by heat and heat to produce a packaged food with a good flavor. .

[Brief description of drawings]

The drawings show various types of packaged food manufacturing apparatuses for carrying out the method of the present invention, wherein FIG. 1 is a front view of a packaged product in which essential parts are broken, and FIGS. 2 to 7 are related to the present invention. FIG. 2 shows an embodiment of the apparatus, FIG. 2 is a front view,
FIG. 3 is a side view, FIG. 4 is a front view when the upper bearing stand is slid upward with respect to the lower bearing stand, and FIG. 5 is FIG.
Fig. 6 is a front cross-sectional view in the case of being longitudinally cut in the direction of the arrow, and Fig. 6 is a partially cut-out working front cross-section showing the axial mounting state of the rotating electrode when the packaged product is sterilized under heat under normal conditions. FIG. 7 is a partially cutaway normal sectional view showing the axial state of the rotary electrode when the package is expanded during heat sterilization, and FIG. 8 is a perspective view of an array state showing another embodiment. FIG. 9 is a front view in which a main part is broken when a surface of a packaged product is covered with a water-containing electric contact body, FIG. 10 is a perspective view of an arrangement state of devices showing another embodiment, and FIG. 11 is another. FIG. 12 is a perspective view of an arrangement state of the apparatus showing the embodiment of the present invention, FIG. 12 is a perspective view of the arrangement state of the apparatus showing another embodiment, FIG. 13 is a front view of a packaged food of a conventional example, and FIG. It is a vertical cross-sectional front view of a manufacturing apparatus. 101 …… Packaged goods, 102 …… Moisture-permeable packaging membrane, 104 …… Packaged food manufacturing equipment, 105 …… Base, 106 …… Bearing base, 108…
… Bearing top, 113 …… Rotating electrode, 114 …… Rotating electrode, 115
...... Roller, 144 …… Humidifying roller, 145 …… Hydroelectric contact,
146 ... Feed rotary electrode, 147 ... Feed rotary electrode, 150 ...
Feeding roller, 152 ... Feeding humidifying roller, A ... Food material

Claims (9)

(57) [Claims] 1. A plurality of opposed rotating electrodes and rollers, each of which has a moisture-permeable wrapping film, wraps a food material to form a tubular package, and the package is rotatably disposed around the package. The method for producing a packaged food, wherein the food material is heat-sterilized by the action of an electric current applied between the opposed rotary electrodes while being rolled by the rotating operation. 2. The packaged food manufacturing method according to claim 1, wherein the roller facing the rotating electrode is a humidifying roller. 3. The rotary electrode and the roller are a feed rotary electrode and a feed roller, respectively.
The method for producing packaged food according to the item. 4. The method of manufacturing a packaged food according to claim 3, wherein the feed roller is a feed / humidification roller. 5. A packaged food product according to any one of claims 1, 2, 3 and 4, characterized in that the package has a peripheral surface covered with a water-containing electric contact. Method. 6. A pair of left and right bearing lower pedestals for rotatably supporting both sides of the package on a base, and a pair of left and right bearing upper pedestals capable of vertically swinging with one end as a fulcrum on the pair of left and right bearing lower pedestals. And a pair of left and right bearing lower bases and bearing upper bases are provided around the shaft so that a plurality of facing rotary electrodes and rollers are sequentially interlocked at intervals so as to contact the peripheral surface of the packaged product. Characterized packaged food manufacturing equipment. 7. The packaged food manufacturing apparatus according to claim 6, wherein the roller facing the rotary electrode is a humidifying roller. 8. The rotary electrode and the roller are a feed rotary electrode and a feed roller, respectively.
The packaged food manufacturing device according to the item. 9. The packaged food manufacturing apparatus according to claim 8, wherein the feed roller is a feed / humidification roller.