EP0077302A1 - Verfahren und Vorrichtung zum Verpacken von mehreren separat eingewickelten Nahrungsmitteln - Google Patents

Verfahren und Vorrichtung zum Verpacken von mehreren separat eingewickelten Nahrungsmitteln Download PDF

Info

Publication number: EP0077302A1
Authority: EP; European Patent Office
Prior art keywords: products; wrapper; predetermined number; group; plastics film
Prior art date: 1981-07-17
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.): Granted

Application number

EP82830078A

Other languages

English (en)

French (fr)

Other versions

EP0077302B1 (de

Inventor

Renzo Francioni

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cavanna SpA

Original Assignee

Cavanna SpA

Priority date (The priority date 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 date listed.)

1981-07-17

Filing date

1982-04-01

Publication date

1983-04-20

1982-04-01 Application filed by Cavanna SpA filed Critical Cavanna SpA

1983-04-20 Publication of EP0077302A1 publication Critical patent/EP0077302A1/de

1985-11-21 Application granted granted Critical

1985-11-21 Publication of EP0077302B1 publication Critical patent/EP0077302B1/de

Status Expired legal-status Critical Current

Links

Images

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
- B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
- B65B23/10—Packaging biscuits
- 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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
- B65B9/067—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously

Definitions

the present invention relates to a method and a machine for packaging, by means of a continuously-shaped plastics film wrapper, several food products individually wrapped.
multipaks packages are usually called “multipaks” and contain aboutfive or six food products, for example, chocolate-covered biscuits, which are individually wrapped in plastics film for obvious hygienic reasons.
These wrapped products usually have the shape of elongate, flattened parallelepipeds and are arranged flat and side-by-side in the "multipak" package.
the individual products are deposited flat and parallel to each other on a conveyor belt, as soon as they leave themachine which wraps them individually in plastics film.
a stop at the end of the belt, against which the products are brought to rest against one another.
a transverse pusher of such a size as to embrace the desired number of products intended to constitute the multiple pack.
the group of products is displaced from the belt and pushed into the space between two successive pusher plates of a chain conveyor moving towards a continuously- shaped plastics film wrapper.
the group of products is inserted in the wrapper and thus wrapped in cellophane.
the anomalous arrangement of the group of products results in the formation of a multiple pack which is itself defective and often even compromises the heat- sealing and cutting of the plastics film between one pack and another. In such a case, a stoppage of the production cycle is incurred, in addition to wasted production.
a method of the type specified which is characterised in that it includes the successive steps of taking the food products from a store in which they are stacked, conveying them one at a time and with individual drive toward the shaping wrapper and introducing them one at a time, and with individual drive, into the wrapper in groups of predetermined number.
the arrangement of groups of predetermined number is achieved by periodically stopping the removal of the products from the store.
a multiple package of the so-called "multipak" type contains in a plastics film wrapper 2, five food products each indicated 3, and individually wrapped in respective plastics film wrappings indicated 4; the ends of the plastics film wrappers 2, 3 are heat sealed, forming edges indicated 5 and 6 respectively.
the food products for example, chocolate-covered biscuits, have the shape of elongate, flattened parallelepipeds and are arranged side-by side and flat in the package 1.
a machine for carrying out the method according to the invention is generally indicated 7.
the machine 7 comprises a support frame 8, and a chain conveyor 9 having a closed chain 10 driven around two pulleys, not shown,by drive means 11.
a plurality of pusher plates is associated with the chain 10 and is arranged therealong in groups of five, corresponding to the desired number of products 3 to be wrapped in each package 1.
the pusher plates are equally spaced with a spacing slightly greater than the width of the individual products 3.
the groups of pusher plates are spaced from each other by a length equivalent to about three spacings.
the chain conveyor 9 extends between a store 13 in which the products 3 coming from a conventional wrapping machine are stacked, and a plastics film wrapper 14 which is being shaped continuously.
the wrapper 14 is shaped conventionally from a sheet of plastics film 15 which is unrolled through idle rollers 16 from a reel, not shown, being folded on itself to form at first a funnel-shaped mouth and then a tubular envelope, and heat sealed along the folded and juxtaposed edges.
the chain conveyor 9 has one end 9a surmounted by the stack of products in the store 13, and its opposite end 9b leading into the funnel-shaped mouth of the wrapper 14.
the machine 7 Downstream of the conveyor 9, the machine 7 includes a conveyor belt 17 which is essentially a continuation of the chain conveyor, as well as a conventional head 18 for heat sealing and cutting of the tubular wrapper 14.
the chain conveyor 9 also has lateral guide walls for the products 3, indicated 19, the gauge of which corresponds to the length of the individual products 3. Along a section 19a of predetermined length close to the store 13, the walls 19 diverge slightly towards the store to form a lead-in section for the products 3.
Rods 20 are fixed releasably above the chain conveyor 9 along substantially its entire length, while a horizontal plate 21 is fixed to the store 13 above the chain conveyor.
each pusher plate 12 removes a respective product 3 from the store 13, and conveys it with positive drive towards the shaping wrapper 14 until it introduces it therein.
the individual products 3 in the store 13 are continuously transported and introduced into the Shaping wrapper 14 one at a time with individual drive, and arranged in groups of five in accordance with the arrangement of the pusher plates 12 in groups of five.
the plate 21 prevents the product 3 just removed from jumping upwardly due to the other products 3 still in the stack pressing downwardly by gravity.
the heat sealed edges 6 are folded by the portions 19a of the walls 19 into positions in which they are close against the products 3.
the rods 20 ensure that the products 3 do not rise from the conveyor 9, for example, due to sticking or springing back of theheat sealed edges 6.
the products 3 are conveyed thereby along the conveyor belt 17, along which the tubular wrapper is heat ⁇ sealed and cut at the spaces between one group of products 3 and another to shanethe desired packages 1.
the arrangement of the wrapped products in groups of predetermined number may be achieved by the periodic stopping of a conveyor provided with pusher plates all along its length without break, rather than by stopping the removal from the store by i means of a conveyor having pusher plates arranged in groups, as described previously.
the machine 22 comprises a support frame 23 with a chain conveyor 24 having a closed chain 25 driven around two pulleys, not shown, by intermittent drive means 26.
a chain conveyor 24 having a closed chain 25 driven around two pulleys, not shown, by intermittent drive means 26.
Associated with the chain 25 is a plurality of pusher plates, each indicated 27, equally spaced therealong without a break and with spacings slightly greater than the width of the individual products.
the chain conveyor 24 extends between a store 28, in which the products 3 from the conventional wrapping machine are stacked in five stacks, and a plastics film wrapper 29 which is being shaped continuously and is the same as the wrapper 14 of the machine 7 described above.
the chain conveyor 24 has an end section 24a adjacent the five stacks of the store 28 and its opposite end 24b leads into the funnel-shaped mouth of the wrapper 29.
the store 28 is provided with five pushers 30, each placed in correspondence with a respective stack of products 3.
the machine 22 Downstream of the conveyor 24, the machine 22 includes a belt conveyor 31 and a heat sealing and cutting head 32 exactly like the conveyor belt 17 and the head 18 of the machine 7 described above.
the chain 25 effects a movement equal to five spaces. This movement is effected at a speed greater than the speed of the wrapper under formation.
the pushers 30 are actuated to remove five products 3 from the store 28 and transfer them onto the conveyor 24, each being inserted into a space between two pusher plates 27.
the chain is set in motion in the direction of arrow G to carry the products 3 towards the shaping plastics film wrapper 29, each product being driven positively by a respective pusher plate 26.
the chain stops again to receive, by means of the pushers 30, a further five products 3, and so on, to completely fill the chain.
the products 3 When the products 3 reach the end 24b of the conveyor 24, they are introduced, up on movement of the chain between one stop and the next, one at a time, and with individual drive, into the plastics film wrapper 29 which draws them in the direction of the arrow G.
the periodic stoppage of the belt causes an intermittent feed of the products 3 to the wrapper 29 so that the products 3 are arranged therein in groups of five.
the wrapper 29 containing the groups of products encounters the head 32, which effects in steps the heat sealing and cutting of the wrapper itself.
the desired packages 1 are obtained and, in this case, are entirely rigid and compact due to the fact that the products 3 therein are packed tightly against each other.
the main advantage of the present invention lies in the fact that it allows multiple packages of the so-called "multipak" type to be obtained rapidly and safely with an entirely regular shape and consistency.
the invention provides rigid compact multiple packages by virtue of the fact that the products therein are packed tightly against each other.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Containers And Plastic Fillers For Packaging (AREA)
Container Filling Or Packaging Operations (AREA)
Wrapping Of Specific Fragile Articles (AREA)

EP82830078A 1981-07-17 1982-04-01 Verfahren und Vorrichtung zum Verpacken von mehreren separat eingewickelten Nahrungsmitteln Expired EP0077302B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT2299081		1981-07-17
IT22990/81A IT1167475B (it)	1981-07-17	1981-07-17	Metodo e macchina per ottenere, tramite un involucro di cellofan formato in continuo, confezioni di piu' prodotti alimentari singolarmente cellofanati

Publications (2)

Publication Number	Publication Date
EP0077302A1 true EP0077302A1 (de)	1983-04-20
EP0077302B1 EP0077302B1 (de)	1985-11-21

Family

ID=11202620

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP82830078A Expired EP0077302B1 (de)	1981-07-17	1982-04-01	Verfahren und Vorrichtung zum Verpacken von mehreren separat eingewickelten Nahrungsmitteln

Country Status (5)

Country	Link
EP (1)	EP0077302B1 (de)
CH (1)	CH650460A5 (de)
DE (1)	DE3267519D1 (de)
ES (1)	ES8305267A1 (de)
IT (1)	IT1167475B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3923303A1 (de) *	1989-02-13	1990-08-16	Cavanna Spa	Verfahren und vorrichtung zum erzeugen von mehrfachpackungen von produkten, insbesondere von nahrungsmitteln
US6358579B1 (en) *	1999-05-26	2002-03-19	Mitsubishi Polyester Film Gmbh	Multiple-pack system comprising a sealable polyester film

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH374587A (de) *	1959-08-31	1964-01-15	Sig Schweiz Industrieges	Vorrichtung zum kontinuierlichen Herstellen von Packungen
CH400892A (de) *	1963-05-08	1965-10-15	Sig Schweiz Industrieges	Vorrichtung zum Gruppieren und Zuführen von Gegenständen
GB1340383A (en) *	1970-07-28	1973-12-12	Package Machinery Co	Cigar pack wrapping apparatus

1981
- 1981-07-17 IT IT22990/81A patent/IT1167475B/it active
1982
- 1982-02-10 CH CH812/82A patent/CH650460A5/it not_active IP Right Cessation
- 1982-04-01 DE DE8282830078T patent/DE3267519D1/de not_active Expired
- 1982-04-01 EP EP82830078A patent/EP0077302B1/de not_active Expired
- 1982-05-20 ES ES512389A patent/ES8305267A1/es not_active Expired

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH374587A (de) *	1959-08-31	1964-01-15	Sig Schweiz Industrieges	Vorrichtung zum kontinuierlichen Herstellen von Packungen
CH400892A (de) *	1963-05-08	1965-10-15	Sig Schweiz Industrieges	Vorrichtung zum Gruppieren und Zuführen von Gegenständen
GB1340383A (en) *	1970-07-28	1973-12-12	Package Machinery Co	Cigar pack wrapping apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3923303A1 (de) *	1989-02-13	1990-08-16	Cavanna Spa	Verfahren und vorrichtung zum erzeugen von mehrfachpackungen von produkten, insbesondere von nahrungsmitteln
FR2643040A1 (fr) *	1989-02-13	1990-08-17	Cavanna Spa	Procede et equipement pour former des paquets multiples de produits, notamment de produits alimentaires
US4955184A (en) *	1989-02-13	1990-09-11	Cavanna S.P.A.	Method and equipment for forming multiple packs of products, particularly food products
US6358579B1 (en) *	1999-05-26	2002-03-19	Mitsubishi Polyester Film Gmbh	Multiple-pack system comprising a sealable polyester film

Also Published As

Publication number	Publication date
IT8122990A1 (it)	1983-01-17
CH650460A5 (it)	1985-07-31
ES512389A0 (es)	1983-04-16
DE3267519D1 (en)	1986-01-02
EP0077302B1 (de)	1985-11-21
IT1167475B (it)	1987-05-13
IT8122990A0 (it)	1981-07-17
ES8305267A1 (es)	1983-04-16

Legal Events

Date	Code	Title	Description
1983-02-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1983-04-20	AK	Designated contracting states	Designated state(s): BE DE FR GB LU NL
1983-07-13	17P	Request for examination filed	Effective date: 19830418
1985-09-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1985-11-21	AK	Designated contracting states	Designated state(s): BE DE FR GB LU NL
1985-12-27	ET	Fr: translation filed
1986-01-02	REF	Corresponds to:	Ref document number: 3267519 Country of ref document: DE Date of ref document: 19860102
1986-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19860430
1986-09-18	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1986-09-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1986-11-05	26N	No opposition filed
1989-03-28	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19890328 Year of fee payment: 8
1989-04-03	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: LU Payment date: 19890403 Year of fee payment: 8
1990-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Effective date: 19900430
1990-10-31	BERE	Be: lapsed	Owner name: CAVANNA S.P.A. Effective date: 19900430
1997-04-17	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19970417 Year of fee payment: 16
1997-04-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19970423 Year of fee payment: 16
1997-04-28	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19970428 Year of fee payment: 16
1997-04-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19970430 Year of fee payment: 16
1998-04-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980401
1998-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19980430
1998-11-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19981101
1998-11-18	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19980401
1999-01-04	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 19981101
1999-02-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990202
1999-02-05	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

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