BE1025790B1 - FILLING DEVICE WITH AUTOMATIC FINE ARRANGEMENT - Google Patents

Abstract

This invention relates to a filling device (1) suitable for filling and weighing a container (2) with a predetermined volume, comprising weighing means (3) and a filling line (4) or filling funnel provided with a valve body around the filling line (4) or opening the filling funnel for filling the container (2) and closing it after a preset switching mass, the filling device (1) comprising correction means based on the weight of the filled container (2) weighed by the weighing means (3) , will adjust the switching mass of the valve body.

Description

Publication number: 1025790

Number of submission: BE2017 / 5942

Intellectual Property Service

International classification: B65B 3/28 B65B 57/14

Date of issue: 17/07/2019

The Minister of Economy,

Having regard to the Paris Convention of 20 March 1883 for the Protection of Industrial Property;

Having regard to the law of 28 March 1984 on the invention patents, article 22, for the patent applications filed before 22 September 2014;

Having regard to Title 1 Invention Patents of Book XI of the Economic Law Code, Article XI.24, for the patent applications filed from 22 September 2014;

Having regard to the Royal Decree of 2 December 1986 on applying for, granting and maintaining patent patents, Article 28;

Having regard to the application for an invention patent received by the Intellectual Property Service on the date of 15/12/2017.

Whereas for patent applications falling within the scope of Title 1, Book XI, of the Economic Law Code (hereinafter referred to as "WER"), in accordance with Article XI. 19, § 4, second paragraph, of the WER, the patent granted will be limited to the patent claims for which the novelty report was drawn up, when the patent application is the subject of a novelty report that a lack of unity of invention as referred to in paragraph 1, and when the applicant does not limit his application and does not submit a divisional application in accordance with the novelty search report.

Decision:

Article 1. - There is to

PATTYN PACKING LINES NV, Hoge Hul 2, 8000 BRUGES Belgium;

represented by

CHIELENS Kristof, Pres. Kennedypark 31c, 8500, KORTRIJK;

OSTYN French, Pres. Kennedypark 31c, 8500, KORTRIJK;

CARDOEN Annelies, Pres. Kennedypark 31c, 8500, KORTRIJK;

HOSTENS Veerle, Pres. Kennedypark 31c, 8500, KORTRIJK;

a Belgian invention patent with a duration of 20 years granted, subject to payment of the annual fees as referred to in Article XI.48, § 1 of the Economic Law Code, for: FILLING DEVICE WITH AUTOMATIC FINE ARRANGEMENT.

INVENTOR (S):

PATTYN Stan, Hoge Hul 2, 8000, BRUGGE;

PRIORITY :

DIVISION:

Split from basic application:

Submission date of the basic application:

Article 2. - This patent is granted without prior research into the patentability of the invention, without guarantee of the merit of the invention or of the accuracy of its description and at the risk of the applicant (s).

Brussels, 17/07/2019,

With special authorization:

BE2017 / 5942

FILLING DEVICE WITH AUTOMATIC FINE ARRANGEMENT

This invention relates to a filling device suitable for filling and weighing a container with a predetermined volume, comprising weighing means and a filling line or hopper provided with a valve body to open the filling line or hopper for filling a container and to close it after a preset switching mass. This invention relates in particular to a filling device for filling a box in which a plastic bag is placed as a liquid-tight container.

In order to dose bulk material or solidified preheated liquids in a container, for example bottles, bags, boxes, etc., filling devices are known, whether automatic or not. Such a filling device is provided with a closable filling line or filling funnel which is connected at one end to a storage tank and whose other end (filling opening) can be closed with a valve body. In the known filling devices, weighing means are also provided, so that weighing can determine when the container is sufficiently filled and the filling line can be closed. In an alternative embodiment, the filling line is opened after placing a container under the filling opening and opened until a preset (fixed) mass (switching mass) has passed. It is also possible to open the filling line or filling funnel for a predetermined (fixed) time (switching time). This switching time is selected in function of the filling speed and is sufficient to fill the container with the predetermined volume.

The known filling devices, however, have the disadvantage that a deviation in volume can occur between different containers filled one after the other. This is because no account is taken of the amount of product that is still falling after the filling line has been closed, the so-called after fall. As a result, the effective volume of the container is usually slightly higher than the predetermined volume, which of course is detrimental.

BE2017 / 5942

It is therefore an object of the present invention to provide a filling device which makes it possible to fill a container with the correct amount.

The object of the invention is achieved by providing a filling device suitable for filling and weighing a container with a predetermined volume, comprising weighing means and a filling line or filling funnel provided with a valve body to open the filling line for filling the holder and closing it after a preset switching mass, wherein the filling device comprises correction means which will adjust the switching mass of the valve body on the basis of the weight of the filled container weighed by the weighing means.

By changing the switching mass, for example by reducing it if it is determined that the container has more content (volume) than originally anticipated, the so-called post-fall can be compensated and the next container will approach the preset volume more.

In order to reduce the risk of errors, in a preferred embodiment of the filling device according to the invention, the switching mass is adjusted on the basis of a number of successive measurements of the weight of the previously (previously) filled containers.

In a more preferred embodiment of the filling device according to the invention, the filling line or filling funnel is displaceable in height. This makes it possible to adjust the position of the filling line or filling funnel in function of the height of the holder, so that the fall height is also limited.

In a special embodiment of the filling device according to the invention, the weighing means comprise one or more electronic weight cells. Electronic load cells can be read out via a logic control.

BE2017 / 5942

In order to further clarify the features of this invention and to indicate additional advantages and details thereof, a more detailed description of the filling device according to the invention now follows. It is clear that nothing in the following description can be interpreted as a limitation of the protection claimed for the invention in the claims.

Reference is made in this description to the accompanying drawing by reference numerals where:

figure 1 is a schematic representation of the filling device according to the invention;

figure 2: shows the filling process in different steps (see figures 2.1 to 2.4) with the filling device according to the invention.

The filling device (1) according to the present invention was developed for filling containers (2) with, for example, bulk material or solidified liquids. The holders (2) are preferably boxes in which optionally a (plastic) bag is arranged. Other suitable containers are, for example, metal tins, with or without bag, buckets, plastic crates with bag, ...

The filling device (1) according to the invention and as represented in figure 1 is provided with weighing means (3) in the form of weighing cells, and has a filling line (4) or filling funnel provided with a valve body (5) for opening the filling line for filling the container (2) and closing it after a preset closing time or switching mass.

The improved filling device (1) according to the present invention ensures that after every filling a correction is applied that takes into account the so-called post-fall. This is the amount of product that is not yet in the container to be filled, but is still falling. This mass of "falling" product is difficult to calculate. This filling device (1) was developed to approximate the target weight of the container (2) to be filled by as close as possible to the mass after each filling.

BE2017 / 5942 (the weight) of the box and compare it with the stated value. The (possibly) registered deviation in weight is used in combination with the filling weight of the previous holders (2), to adjust the post-fall when the next filling is done by changing the set switching mass. For this purpose, the filling device (1) has correction means which, on the basis of the weight of the filled container (2) weighed by the weighing means (3), will adjust the switching mass on which the valve body closes.

The operation of the filling device (1) is shown step by step on figures 2.1 to 2.4. Fig. 2.1 shows the starting position at which a new container (2) to be filled is offered. The valve body (5) is then opened in the filling line (4) or the hopper and the container (2) is filled (Fig. 2.2) with a specific product. After a certain mass, the filling line (4) is closed (Fig. 2.3) and the remaining mass of product, the so-called after fall (shaded part or attached figures) enters the holder (2) (Fig. 2.4). The weight of the filled container (2) is weighed after each filling. This weight is used together with a number of previous measurements to adjust the filling of the next container (2) by adjusting the switching mass.

With such a filling device (1) the weight of the container is continuously adjusted, so that not too much (or too little) product is filled.

The filling device (1) according to this invention is particularly suitable for filling fatty products, such as, for example, butter, oil or bulk material such as, for example, granulates, vegetables, chocolate granules, etc.

Claims (4)

CONCLUSIONS A filling device (1) suitable for filling and weighing a container (2) with a predetermined volume, comprising weighing means (3) and a filling line (4) or filling funnel provided with a valve body for connecting the filling line (4) or filling funnel. opening for filling the container (2) and closing it after a preset switching mass, characterized in that the filling device (1) comprises correction means which, based on the weight of the filled container (2) weighed by the weighing means (3) ), will adjust the switching mass of the valve body. Filling device (1) according to claim 1, characterized in that the switching mass is adjusted on the basis of a number of successive measurements of the weight. Filling device (1) according to claim 1 or 2, characterized in that the filling line (4) or hopper can be moved vertically. Filling device (1) according to one of the preceding claims, characterized in that the weighing means (3) comprises one or more electronic weighing cells.