JPS5830927A - Method of sealing or externally packing bread-like body - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for sealing or packaging a bread-like object, and the bread-like object referred to in parentheses means that the height of the object is shorter than the width of the object and the ratio thereof is 0.85. ＼Even if the shape is not round, it is a square with rounded corners, a polygon, an ellipse, or a polygon that seems to be equivalent to these, but it is interpreted as a bread-shaped object in a broad sense. This is the method of sealing or outer packaging of the item.

Conventionally, methods generally used for sealing or outer packaging of these bread-like objects include, for example, the sealing or outer packaging illustrated in FIG. This is a bread-like object consisting of a lower body (19) and an upper lid (17) filled with cream (1B), and when this container is sealed or packaged, a heat-shrinkable axially stretched film is formed into a cylindrical shape, or Pre-extruded heat shrinkable into a cylindrical shape? 1. Cut the bread to an appropriate length, place the bread-like object in the center of the cylindrical film, and apply heat from the outside to shrink it to obtain the sealed object as shown in Figure 3, or use other methods. A well-known method is to use a heat-shrinkable film to wrap the product in a three-sided sealing machine and then seal or package the product.

However, in the case of the former, the important top of the packaged item is open, and although it serves as a seal as a virgin seal, when it is displayed in a store, if dust etc. settles on the top,
Even if an attempt was made to wipe it off, it remained on the edges of the film and could not be completely wiped off, resulting in unhygienic conditions and often detracting from the commercial value.

In addition, although the latter can be packaged externally in large quantities and at a relatively low cost, the three-sided sealed part is located in front of the valuable product, and the edges inside the gold do not shrink completely, leaving an unsightly surface. There are small holes on the top surface that allow the air to escape, reducing the dust-proofing effect, which also reduces the image of the product, and has many drawbacks when used as a seal or outer packaging for products that value the image of a luxury product. Ta.

The present invention is a method for sealing or outer packaging of bread-like objects, which eliminates these drawbacks that could not be covered by conventional methods and enables continuous sealing or outer packaging at low cost, in large quantities, and smoothly.

Misakichi The present invention uses a heat-shrinkable sheet or film (hereinafter referred to as heat-shrinkable film, etc.) with a volume that is somewhat larger than that of a bread-like object and a volume that is large enough to allow the bread-like object to sink sufficiently when the bread-like object is accommodated. A preformed product having a depth of
The preform is formed at a low temperature using a combination of V-strike method, etc., and then the sealed object is deposited upside down, and then cut and separated using a cutter, and at the same time hot air is blown from above to cut and separate the edges of the preform. Almost the bottom gill f of the sealed object
This is a method for sealing or outer packaging a bread-like object, which is characterized in that the product is warped around its outer periphery, contracted, and then wrapped and sealed or outer wrapped.

The present invention C will be explained below with reference to the accompanying drawings.

FIG. 1 is a process diagram showing the sealing or outer packaging method of the present invention. As shown in the first figure, a heat-shrinkable film (1) wound into a roll is carried by a chain (3) equipped with a clip or a bottle, and a flat heat-shrinkable film (2) is inserted into a large number of small air holes. Clamp the upper heating plate (4) holding the (19) with the lower molding die (7) and at the same time adsorb it to the heating plate (4) in a vacuum to 80'C~1
After heating at 80°C for a few seconds, the mixture is pressure-formed along the inside of the mold (7) using a combination of air and vacuum to obtain a preform (5).Next, a bread-shaped object (6) is submerged upside down in this. In the next step, the cutter (14) is used to cut and separate the flat heat-shrinkable film (2). ) ventilation hole (1
1) for a few seconds to shrink the protruding base (51) of the preform (5) along the bottom outer circumference of the bread-like object (6) so as to wrap it around the bread-like object (6), and then cut the cutter. A sealed or externally wrapped bread-like object (18) is obtained by passing through a portion and falling.

After that, the conveyor (16) shown in the example may be used to take out the material, or the cutter (14) may be used to take out the material.
) may be provided with a knot, a knob, or the like so that it can be removed when the preform (5) is opened.

Also, depending on the engagement state of the bread-shaped object (6) and the cutter (14), a shutter may be attached directly below the cutter (14) to prevent it from falling, or conversely, the cutter (14) may If it doesn't fall off, you can install a fall device inside the heating plate.

Further, when it is desired to shrink the product for better appearance, an after-heater or a heat tunnel may be preliminarily installed on the take-out conveyor and used in combination.

Any of these may be used as appropriate as an applied operation to enhance the added value of the present invention, and will not change the essence of the present invention.

Next, the present invention will be explained in more detail with reference to Examples.

Example 1゜ Heat-shrinkable film, etc. (1) is made of 80μ polyvinyl chloride, which is sent out from an unwinder and sent to a heating plate (14) using a chino 0) at 130°C for 2 seconds.
After heating by adsorption, a pressure of 4 mm was applied from the vent hole 09) to a depth of 40 m11 with a bottom diameter of 70 mm and a slight slope.
The mold (7) of No. 1 was air-formed at 0.51 eC while applying a vacuum from the vacuum hole (20) to obtain a preform No. 1 i1 (5).

In addition to this, the configuration shown in Figure 2 has a diameter of 68 mm and a height of 3 mm.
Insert the 0m cream container (6) upside down, feed it with two-gap feed in the next process, and while the next molding is being done, operate the cylinder (15) to cut the cutter (1).
4) and the cutter pedestal (10) are used to cut and separate the preform (5) from the flat plate (2), and at the same time blow out air heated to 160°C by the hot air generator I (12) through the hot air vent 01). The conveyor (16) is wrapped around the bottom outer circumference of the container (23) by contracting the base portion φ.
A container with cream inside as shown in Figure 4 by dropping it on top! ! (23) and the lid (21) were sealed or externally packaged with the preform (5) to obtain a target object 08).

Example 2: Example 1 using heat-shrinkable polyethylene as the material for the preform (5). A sealed or externally packaged object (18) was obtained in the same manner as above.

Example 3゜Example 1 was prepared using heat-shrinkable polyester as the material for the preform (5). A sealed or externally packaged object 08) was obtained in the same manner as above.

Example 4゜Heat-shrinkable polyvinyl chloride 2 as the material for the preform (5)
Example 1 using 00μ. A preform (5) was obtained using a slightly sloped mold (7) with a bottom diameter of 64 cm and a diameter of 65 IllB according to the requirements described above. Insert the container (6) of Example 1 upside down. We were able to obtain the sealed or externally packaged object 08) according to the key points described.

As reviewed above, the present invention makes it possible to seal or externally package bread-like objects such as containers with a few steps, and it is also possible to continuously obtain ◆ in an aggregate form, which was limited by conventional methods. Now I can do it.

[Brief explanation of the drawing]

FIG. 1 is a process diagram showing a method for sealing or outer packaging a bread-like object according to the present invention. FIG. 2 is a cross-sectional view of a Funai-shaped cream container, which is a representative example of the sealed or outer packaging object. Fig. 3 is an explanatory diagram of a conventionally widely used sealing state using a heat-shrinkable tape, and Fig. 4 is fundamentally different from the example shown in Fig. 3 obtained by the present invention. An explanatory diagram of the characteristic state in which the crown is covered all the way to the top.

Claims (1)

[Claims] A flat endless heat-shrinkable film or the like is continuously formed into a preform by deep drawing using a low-temperature thermoforming method, a bread-shaped object that is slightly smaller and lower than the preform is inserted, and then the preform is A method of continuously sealing or wrapping a bread-like object by cutting and separating the molded product with a cutter and simultaneously blowing hot air to shrink the base and all other parts of the preform.