EP0464884B1 - Method and apparatus for automatic bag packaging of hams, meats and food products in general - Google Patents
Method and apparatus for automatic bag packaging of hams, meats and food products in general Download PDFInfo
- Publication number
- EP0464884B1 EP0464884B1 EP91201481A EP91201481A EP0464884B1 EP 0464884 B1 EP0464884 B1 EP 0464884B1 EP 91201481 A EP91201481 A EP 91201481A EP 91201481 A EP91201481 A EP 91201481A EP 0464884 B1 EP0464884 B1 EP 0464884B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- product
- unit
- conveyor belt
- packaging
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/12—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable towards or away from container or wrapper during filling or depositing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
- B65B43/14—Feeding individual bags or carton blanks from piles or magazines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Container Filling Or Packaging Operations (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
Description
- The present invention refers to the packaging of food products and more particularly of sausaged meats and in a specific way, cooked hams.
- In the packaging of food products in protective, heatsealed, wrappers there is the problem of avoiding handling of products as far as possible to prevent bacterial contamination and spoiling of the external appearance for which one tends to realise packaging production lines which are as automatic as possible, where manual intervention is reduced to a minimum or if possible completely eliminated.
- One of the principal polluting factors of these food products is constituted by free water which normally forms on the surfaces of vacuum-packed products. For this reason a surface treatment has recently been adopted in order to preserve animal products packaged in thermosealing equipment which consists of electrostatically depositing powdered gelatine on food products after their demoulding that is the extraction of said products from the forming mould.
- During the demoulding stage the cooked hams come into contact with the operator's hands and the atmosphere: they can therefore be contaminated with various seriousness; in any case, the preservation is noteably endangered.
- Normally the operators who take more care with regard to the problem resolve the difficulty with a thermal treatment in autoclave at a temperature of about 120 degrees for a period of 15 minutes. It is evident that this system, although valid, represents an annoying constriction in the production line.
- The powdered gelatine electrodeposition treatment of products has resolved this problem in an effective and efficient manner. The principle is based on the concept of saturation of free surface water by the function of the gelatine which has a great absorbing power (50 g of gelatine bind 1000 g of water).
- The beneficial thermal action which develops by means of continuous pastorisation is, at this point, sufficient to inhibit the bacterial load on the surface of the product and packaging, a bacterial load which, however, will find in the water bound to the gelatine an environment hostile to its development.
- With this treatment one obtains the total elimination of the water in the packaging, the stabilisation and inhibition of bacterial action, a uniform treatment which is not visible on the surface of the product, with improvement of the qualitative standard and an easy insertion in the processing lines with a guarantee of normal working conditions.
- However still unresolved is the problem of automatically inserting products so treated into packaging bags without them coming into contact with the operators, and subsequently sending them to the vacuum packaging heat-sealing machine, and then to the continuous pastorizer and to the carton machine before being stocked, ready for delivery and sale.
- The solution of this problem consists of providing an automatic sausage bag packaging apparatus to be inserted into the packaging line downstream of the equipment for electro-deposition of gelatine on the food products.
- This equipment must be provided with means which allow the packaging bags to be withdrawn one at a time from a supply, opened, filled with the gelatine treated food product and sent to the subsequent packaging phase, all without any manual operation on the product.
- Document US-A-4 864 800 discloses a device and a method for bagging thin flexible members where the product is positioned by means of an inserter, one bag is withdrawn and opened, a chute is inserted into the bag and the filled bag is transferred to an outlet conveyor.
- However such a device and method is devised for handling flexible products like tortillas, which are bent for the insertion into the bag, but it cannot handle rigid products mostly of irregular shape and of considerable size like hams and meats.
- These problems are solved by the features of the characterizing portion of method claim 1 and of apparatus claim 4, respectively.
- Further advantageous features of the invention are recited in the dependent method claims 2-3 and apparatus claims 5-9, respectively.
- The method and apparatus according to the present invention is now described in greater detail with reference to a preferred embodiment, given only as an example and to be examined together with the appended sheets of illustrative drawings in which:
- Figure 1 is an elevational view of the equipment,and
- Figure 2 is a top plan view of said equipment.
- The apparatus according to the invention is therefore constituted by the following units, in which the capital letters designating each unit correspond to the reference letters borne on the appended drawings.
- (A) A magazine of empty bags, adjustable according to the format of the bags, driven by a pneumatic cylinder to allow a single bag to be taken up.
- (B) A unit to withdraw empty bags one at a time, provided with suction cups and tongs driven by a pneumatic cylinder, necessary to guarantee the stability of the bag during transport. This unit is moved vertically by a pneumatic cylinder in order to open and maintain the mouth of the bag constant during filling.
- (C) A motorized guide, onto which the withdrawing unit is fixed, necessary to move the empty bag from the magazine to the opening and product filling position.
- (D) A bag opening unit, provided with suction cups and tongs driven by a pneumatic cylinder, necessary to guarantee the stability of the bag during opening and product filling phase.
- (E) Two conveyors, mounted on adjustable guides, driven by pneumatic cylinders, which widen the bag to the required dimension and also prevent any contact of the product with the internal area of the bag concerned by sealing with the packaging machine positioned downstream of the apparatus.
- (F) An insertion conveyor belt fixed on a motorized transporter, which having received the product, unloads it into the inside of the bag.
- (G) A conveyor belt to control the positioning and delivering the product on to the insertion belt.
- (H) A conveyor belt for moving the product inserted into the bag for the clearing of the subsequent working area in the packaging line.
- An electric control board controlled by a microprocessor is provided for the driving and controlling of each single operation and movement, with the possibility of programming the functions with relation to the format of the products.
- Hereinaftar follows the operational description of the functioning of the apparatus, which illustrates its structure even better as well as its perfect adaptability to the functions required for the automatic carrying out of the packaging stages of the food products.
- 1) Arrival of the product on the feeder belt "G", with photocell controlled stop. Subsequent transfer onto insertion belt "F" and advancement of the product to its terminal part with photocell controlled stop.
- 2) Withdrawal of empty bags one at a time from magazine "A" by means of unit "B".
- 3) Closing of the bag blocking tong on withdrawal unit "B".
- 4) Transfer of withdrawal unit "B" by means of motorized guide "C".
- 5) Lowering of withdrawal unit "B" onto bag opening unit "D".
- 6) Raising of the withdrawal unit with contemporaneous blocking of the bag with the tongs.
- 7) When the desired opening position of the bag has been reached, two conveyors "E" are inserted which widen the bag to the required position and prevent contact of the product with the edges of the bag where the sealing must take place.
- 8) Advancement of the insertion belt "F" to the inside of the bag as far as the desired position by means of the transferer, subsequent direction change of the transferer and simultaneous advancement of the floor of the conveyor belt. This operation is carried out to place the product delicately and without scratching on the inside of the bag.
- 9) Return to the initial position of all the movements for the starting of a new insertion cycle and advancement by means of a conveyor belt "H" of the product inserted in the bag for the clearing of the subsequent working area.
- The working cycles occur automatically with controls determined by the condition of the packaging machine and the arrival of the product to be inserted. This automation is possible thanks to the adoption of a microprocessor (PLC) which controls and drives each individual operation and movement with the option of programming the functions with relation to the product format.
- As already mentioned above, the principal advantages which are obtained using the in-line insertion of this automation apparatus are.
- 1) Labour saving, in that the operator only has the task of occasionally feeding the magazine with empty bags and programming the relevant format changes (an operation which is carried out in a short time, since the abovementioned registration are almost completely directed by the control board).
- 2) Lower contamination of the product to be packaged in that this does not come into contact with contaminating agents.
- 3) Improvement in the sealing results of the bag in that the areas to be sealed do not come into contact with any surface fat deposited on the product.
Claims (9)
- Method for automatic bag packaging of food products, comprising the operations of positioning the product by means of insertion means (F), ready for introduction into the bag; withdrawing (B) one bag at a time from the appropriate feeding magazine (A) and transferring (C) it to the filling position; opening (D) the bag; keeping it in an open position by means which prevent contact between the product and the closure edges of the bag; moving the insertion means (F) into the open bag and introducing the product into said open bag; returning all the means to the starting position for the beginning of a new cycle and simultaneously transferring (H) the bag now filled with the product towards the subsequent packaging stages, characterized by the steps of widening the bag so as to be ready for the insertion of the product by means of two adjustable conveyors (E); and positioning and delivering the product onto the insertion means by means of a control conveyor belt (G).
- Method according to claim 1, characterized in that the production cycles are automatically controlled by means of a microprocessor which controls and drives each individual operation and movement with the option of programming the functions with relation to the format of the product.
- Method according to claim 2, characterized in that the controls of the operating cycle are determined and directed by the ready condition of the subsequent equipment in the packaging line and the arrival of the product to be inserted on the insertion means.
- Apparatus for carrying out the method according to claims 1-3, comprising a magazine (A) of empty bags; a unit (B) for withdrawing one empty bag at a time from the store; a motorized guide (C) onto which the withdrawing unit (B) is fixed; a unit (D) for opening the bag; a conveyor belt (F) for insertion of the product into the open bag; a conveyor belt (H) for sending the product inserted in the bag to the subsequent packaging phases, characterized in that it comprises also; two adjustable conveyors (E) for widening the bag ready for the insertion of the product; a control conveyor belt (G) for the positioning and delivery of the product onto the insertion belt; a microprocessor for the driving and control of each individual operation and movement.
- Apparatus according to claim 4, characterized in that the magazine (A) of empty bags is adjustable according to the format of the bags and is driven by a pneumatic cylinder to allow the taking up of each individual bag.
- Apparatus according to claim 4, characterized in that the empty bag withdrawing unit (B) is equipped with suction cups, tongs driven by a pneumatic cylinder, to guarantee the stability of the bag, and a pneumatic cylinder for moving the unit (B) vertically to determine the opening of the mouth of the bag.
- Apparatus according to claim 4, characterized in that the opening unit (D) of the bag is provided with suction cups and tongs driven by a pneumatic cylinder to ensure the stability of the bag during opening and filling with the product.
- Apparatus according to claim 4, characterized in that the insertion conveyor belt (F) is fixed to a motorized trasfer means which moves the unit inserting it into the open bag to unload it on the inside of said bag, and at the end of the cycle it withdraws in to the position for receiving a new product from the product positioning and delivery control belt positioned before it.
- Apparatus according to claim 4, characterized in that the conveyors (E, F, G, H) are mounted on adjustable slits and are driven by pneumatic cylinders which widen the bag to the required dimension, preventing contact of the product with the mouth of the bag.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02079490A IT1249014B (en) | 1990-06-28 | 1990-06-28 | METHOD AND APPARATUS FOR AUTOMATIC BAGGING OF HAMS, SAUSED MEATS AND FOOD PRODUCTS |
IT2079490 | 1990-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0464884A1 EP0464884A1 (en) | 1992-01-08 |
EP0464884B1 true EP0464884B1 (en) | 1995-03-08 |
Family
ID=11172157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91201481A Expired - Lifetime EP0464884B1 (en) | 1990-06-28 | 1991-06-14 | Method and apparatus for automatic bag packaging of hams, meats and food products in general |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0464884B1 (en) |
AT (1) | ATE119486T1 (en) |
DE (1) | DE69107914T2 (en) |
ES (1) | ES2072528T3 (en) |
IT (1) | IT1249014B (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501893A (en) * | 1968-01-08 | 1970-03-24 | Axel F Peterson | Bag opening machine |
US4345629A (en) * | 1981-01-26 | 1982-08-24 | Inglett & Company, Inc. | Automatic bag hanger |
US4864800A (en) * | 1988-04-27 | 1989-09-12 | Famoso Equipment Co., Inc. | Device and method for bagging thin flexible members |
-
1990
- 1990-06-28 IT IT02079490A patent/IT1249014B/en active IP Right Grant
-
1991
- 1991-06-14 EP EP91201481A patent/EP0464884B1/en not_active Expired - Lifetime
- 1991-06-14 ES ES91201481T patent/ES2072528T3/en not_active Expired - Lifetime
- 1991-06-14 AT AT91201481T patent/ATE119486T1/en not_active IP Right Cessation
- 1991-06-14 DE DE69107914T patent/DE69107914T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE119486T1 (en) | 1995-03-15 |
IT9020794A1 (en) | 1991-12-28 |
DE69107914T2 (en) | 1995-08-17 |
EP0464884A1 (en) | 1992-01-08 |
IT9020794A0 (en) | 1990-06-28 |
DE69107914D1 (en) | 1995-04-13 |
IT1249014B (en) | 1995-02-11 |
ES2072528T3 (en) | 1995-07-16 |
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