JPS60123345A - Can vessel - 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] For example, when canning beverages, etc., in a sterile atmosphere,
Sterilized beverages are filled into sterilized cans, which are then transported to normal vehicles and covered with can lids.

Aseptic canning is performed by sealing the canned food to make it unnecessary to perform retort sterilization in the subsequent process.

However, in the above-mentioned aseptic canning machine that performs aseptic canning, the filling liquid inside the can may spill out while the can with the lid is being sent to the container, and the pressure inside the head space of the can is high. In the case of such products, there are problems such as the can lid sometimes coming off.

The present invention has been proposed in view of the above points.

The purpose is to provide a can container that can prevent the contents from spilling and the can lid from coming off while the can is being sent to a seamer after being filled with contents and covered with a can lid. .

The present invention provides a can container consisting of a can and a can lid that is sealed to the open can, and is heated while leaving at least one unattached part on the knoll surface of at least one of the warped can lids. The gist of this is a can container characterized by the number of coats of welding agent, and after covering the can with a can lid by applying a number of coats of heat welding agent as described above, the heat welding agent can be applied. Since it can be melted and sealed, it is possible to prevent the contents from spilling until the can lid is tightened. In addition, in order to expel residual air in the henodic space inside the can, there is a risk that the temporarily sealed can lid may come off if the pressure inside the head space rises, such as when solid C02 is put into the can. However, as mentioned above, the pressure can be released by leaving at least one area where the hot welding agent is not attached.

It is possible to prevent the can lid from coming off. In addition, by making the unprinted section an appropriate size, it is possible to prevent contents from spilling out from the circulation section.

The present invention will be explained below based on examples.

FIG. 1 is a front view of an aseptic canning machine for canning beverages and the like using the can container of this embodiment, and FIG. 2 is a concave view of FIG. 1.

In the figure, 1 is a can, 2 is a well-known type <H) (<1'A
The sterile room (8), which is positively pressurized by a ζ-air, is intermittently driven by a can transport carrier (11) installed in the closed room (2), so that a plurality of cans (l) are intermittently transported at a fixed pitch. ing.

4 is a supply device u that supplies cans l (p) to the carrier 8; 5 is a hydrogen peroxide spray device that sprays hydrogen peroxide onto the can 1 in order to sterilize the can 1 supplied into the carrier 3; and 6 is a hydrogen peroxide spray device A hot air injection device 7 is installed downstream of the hydrogen oxide spray device 5 and dries the can 1 with hot air; 7 is a filling device 8 that is installed downstream of the hot air injection device 6 and fills a can with a fixed amount of contents; is provided downstream of the filling device 7, and is a covering device for covering the can 1 filled with contents with a can lid 1a.A lid 9 for storing one can lid 1a.One can lid 1a is placed from the magazine 9. A hydrogen peroxide spraying device M11 that sprays hydrogen peroxide onto the can lids 1a fed by the can lid supply band 101 and the can lid supply band 10 to sterilize the can lids 1a. It is composed of a hot air injection device 12 and the like that injects hot air onto the sterilized can lid 1a to dry the can lid 1a. 14 is a vertically movable cooling device for cooling the sealed portion; 15 is a two-can lid 1;
16 is a can transport device that takes out the temporarily solened can 1 from the carrier 3 and sends it to the seamer; 16 is a can lid 1 that covers the can 1;
17 is a can discharging device.

In addition, as shown in II above, the can 1 and can lid 1a used for bacterial canning are made of aluminum or steel, as shown in Fig. In the range P or Q of the surface, there is at least one unbonded area 1 where a heat welding agent 1c such as polyethylene is applied.
How many are worn except for d? In this example, the area where the hot welding agent is applied and the area where it is not yet applied is set at the intersection of 8 and T.

In the following configuration, two seedling feeding devices z4 are used to feed the cans 1 into the carrier 3 (after the cans 1 are sterilized by hydrogen peroxide sprayed from the spraying device 5).

It is dried by hot air jetted from the hot air jetting device 76. Then, it is sent below the filling device 7.

Contents such as drinks are filled in a fixed amount. Can filled with contents 1. When the can lid 1a is sent to the lower part of the covering device 8, the destroyed can lids 1a are covered one after another, and in its wake, the heater I3 is lowered to absorb the heat that has been deposited on at least one of the can or the can lid. Heat the welding agent to weld the two together. Next is the cooling device i! j, + 4 descends to cool the welded part and close the 2 can lids 1a.
tentatively set. The can 1 with the can lid 1a temporarily sealed is taken out from the carrier 8 and transferred to the normal 16 by the conveying device 15.
After being sent to and sealed, the pressure is discharged onto the discharge device &, +7.

By configuring the can container as described above, after filling the can L with the contents, 1 can+? Since 1fla can be temporarily sealed and sent to normal, it is possible to reliably prevent the contents from spilling during this time.
Even when solid CO2 is introduced to expel air from the head space and rises as shown above, this pressure can be released, making it possible to prevent the temporarily sealed can lid from coming off.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an example of an aseptic canning machine for canning beverages etc. using the can container of the present invention, Fig. 2 is the same as Fig. , (C1, (
dl is a diagram showing the structure of the can and the can lid, (,) is the overall side view, (b) is the A-A arrow view of (,), and (C) is (
(a) is a BB arrow directional view, (d) is a 0)) a-C sectional view. 1...can, Ia...can lid, lc...thermal adhesive, ld...
・Unreached part αsu (-1!r〕 廁3圀ChaCC)

Claims (1)

[Claims] In a can container consisting of a can and a can lid that is sealed to the opened can, the heat welding agent is not applied to the knoll surface of at least one of the can and the can lid, leaving at least one unattached part. A can container characterized by the fact that it can be worn.