EP0621179A1 - Procédé pour envelopper des articles cylindriques - Google Patents

Procédé pour envelopper des articles cylindriques Download PDF

Info

Publication number: EP0621179A1
Authority: EP; European Patent Office
Prior art keywords: cylindrical; film; eyes; free space; axis
Prior art date: 1993-04-22
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

EP94106085A

Other languages

German (de)

English (en)

Other versions

EP0621179B1 (fr

Inventor

Heinz Van Den Berg

Walter Wacker

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.)

STREMA MASCHINENBAU GmbH

Siemag GmbH

Original Assignee

STREMA MASCHINENBAU GmbH

Siemag Transplan GmbH

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.)

1993-04-22

Filing date

1994-04-20

Publication date

1994-10-26

1994-04-20 Application filed by STREMA MASCHINENBAU GmbH, Siemag Transplan GmbH filed Critical STREMA MASCHINENBAU GmbH

1994-10-26 Publication of EP0621179A1 publication Critical patent/EP0621179A1/fr

1997-07-16 Application granted granted Critical

1997-07-16 Publication of EP0621179B1 publication Critical patent/EP0621179B1/fr

2014-04-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 18
239000000463 material Substances 0.000 claims description 23
229920006302 stretch film Polymers 0.000 claims description 4
239000002985 plastic film Substances 0.000 claims description 3
229920006255 plastic film Polymers 0.000 claims description 3
239000005022 packaging material Substances 0.000 claims description 2
238000004804 winding Methods 0.000 claims description 2
239000011888 foil Substances 0.000 abstract 2
230000000284 resting effect Effects 0.000 abstract 2
210000001035 gastrointestinal tract Anatomy 0.000 description 8
238000004806 packaging method and process Methods 0.000 description 6
230000000694 effects Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
238000004904 shortening Methods 0.000 description 1

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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
- 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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/58—Applying two or more wrappers, e.g. in succession
- B65B11/585—Applying two or more wrappers, e.g. in succession to stacked articles, e.g. pallettised loads

Definitions

the invention relates to a method for wrapping cylindrical material with an inner, not filled with well, also cylindrical free space, the packaging material consisting of a stretchable endless plastic film web (stretch film) leaving the end faces (eyes) of the inner cylindrical free space uncovered on both sides in a defined area .
stretch film stretchable endless plastic film web
the invention has for its object to provide a method of the type mentioned that it allows to wrap the cylindrical material on its circumference and on the end faces all over with film without the ends (eyes) of the inner cylinder not filled with good completely cover up.
a method of a similar type is previously known from the application for a patent (P4137448.7).
a packaging machine in which the cylindrical material to be wrapped is placed on a so-called support roller pair lying on the cylinder side.
the support rollers are arranged horizontally and parallel to each other and rotatably mounted.
one or both of the support rollers are provided with a drive which sets them in rotation about their longitudinal axis.
the pair of support rollers is arranged centrally below a vertically movable lifting frame.
a so-called rotating arm rotatably mounted about its vertical axis of rotation, is arranged horizontally, at the free end of which a support arm extends vertically downward, which carries an unwinding device which is designed to receive a roll made of plastic film.
the lifting frame with the rotating arm and support arm is lowered by a distance required for the respective diameter of the cylindrical goods and positioned at a defined distance above the upper point of the diameter of the cylindrical goods.
the beginning of the film web is fixed in a film holding device which is formed vertically and can be raised and lowered centrally below the rotation arm.
the rotating arm with support arm and film holding device is designed within the lifting frame so that it is brought into an inclined position from the horizontal arrangement by an angle to be defined, depending on the geometric dimension of the cylindrical goods, and its axis of rotation along the profile carrying it from the center of the lifting frame becomes linear process.
the rotary arm is rotated after the beginning of the stretchable film web on the material about the axis of rotation now inclined from the vertical and moved linearly from the center of the lifting frame, the film being rolled under tension from the film roll over the unwinding device .
the film roll with unwinding device describes a circular path around the cylindrical material, such that, taking into account a fixed direction of rotation of the cylindrical material lying on the support rollers, the film on its upward-moving edge is at a lower height level and in the 180 ° offset from it downwards moving edge is created at a relatively higher level.
the inclination of the vertical axis of rotation of the rotary arm from the vertical and offset to the vertical center axis of the lifting frame assumes a position which, in its extension, runs through the center of the cylindrical goods to be packed.
the support rollers carrying the goods are set in rotary motion, the ratio of the peripheral speed of the cylindrical goods to the angular speed of the rotating arm at a defined width of the film web being the measure of the overlap of a film web over that previously on the product determined determined.
the film roll with unwinding device reaches a so-called “bottom dead center” on a defined edge of the cylindrical material during a 360 ° rotation. and the 180 ° opposite edge a so-called “top dead center”. Between these two edges, the film roll performs a downward and an upward movement on its circular path. This movement of the film roll with unwinding device, which is carried out in the aforementioned manner, ensures that the two openings (eyes) of the inner, cylindrical space which is not filled with good are uniformly covered on both sides in a circular manner.
the degree of coverage of these openings depends on the distance of the lower edge of the film moving on the circular path described to the horizontal longitudinal axis of the cylindrical material and on the angular velocity of the rotary arm relative to a defined circumferential speed of the cylindrical material.
a particularly expedient development of the method according to the invention consists in executing the machine with two rotation arms and two unwinding devices which are arranged offset by 180 ° to one another. This further training serves the purpose of shortening the packaging time.
the inclination of the rotating arm 12 from the horizontal position and its linear movement from the center 12 of the lifting frame are carried out at a defined angle 15 ( Figure 3) to the direction of the in / out of the cylindrical material such that the stretchable film on the with 16 designated edge of the cylindrical good in Figure 4 is applied at a lower height level than at the 180 ° opposite edge 17th
the axis of rotation 11 of the rotating arm 2 runs, due to the above-described inclination angle 9 and by her Offset to the vertical center axis 12 of the lifting frame 1, in its extension through the symmetrical center 19 of the cylindrical material 5 u. 6.
the rotary movement of the cylindrical goods 5 and 6 about its horizontal longitudinal axis 18 is initiated by the driven support rollers 8 with a time delay.
this wrapping is carried out in such a way that the lower edge of the film web 14 covers the ends (eyes) 20 of the cylindrical free space 20 not filled with good in a freely defined area on its edges. If the unwinding device 4 were to rotate on a horizontal circular path around the cylindrical goods 5 and 6, which were also mounted horizontally, the end of the cylindrical free space 20 would be covered to a different extent on one end face, due to the rotary movement of the cylindrical goods in a defined direction than on the opposite face.
Figure 1, 2, 3, 4 represent a aforementioned machine, each with two winding devices for the execution of process steps a) and b).

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Basic Packing Technique (AREA)
Lining Or Joining Of Plastics Or The Like (AREA)

EP94106085A 1993-04-22 1994-04-20 Procédé pour envelopper des articles cylindriques Expired - Lifetime EP0621179B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4313240		1993-04-22
DE4313240A DE4313240C2 (de)	1993-04-22	1993-04-22	Verfahren zum Umwickeln von zylindrischem Gut

Publications (2)

Publication Number	Publication Date
EP0621179A1 true EP0621179A1 (fr)	1994-10-26
EP0621179B1 EP0621179B1 (fr)	1997-07-16

Family

ID=6486141

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94106085A Expired - Lifetime EP0621179B1 (fr)	1993-04-22	1994-04-20	Procédé pour envelopper des articles cylindriques

Country Status (4)

Country	Link
EP (1)	EP0621179B1 (fr)
AT (1)	ATE155417T1 (fr)
DE (1)	DE4313240C2 (fr)
ES (1)	ES2105401T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2023106929A1 (fr) *	2021-12-09	2023-06-15	Orkel Development As	Dispositif pour envelopper avec une feuille

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19542618C2 (de) *	1995-11-15	2001-05-31	Friatec Rpp Gmbh System Altvat	Folienwickelvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4137448A1 (de) *	1991-11-14	1993-05-19	Strema Maschinenbau Gmbh	Verfahren zum umwickeln von zylindrischen produkten

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4912911A (en) *	1986-10-13	1990-04-03	G.D. Engineering Pty. Limited	Machine for stretch wrapping of large reels of paper and other materials

1993
- 1993-04-22 DE DE4313240A patent/DE4313240C2/de not_active Expired - Fee Related
1994
- 1994-04-20 EP EP94106085A patent/EP0621179B1/fr not_active Expired - Lifetime
- 1994-04-20 ES ES94106085T patent/ES2105401T3/es not_active Expired - Lifetime
- 1994-04-20 AT AT94106085T patent/ATE155417T1/de not_active IP Right Cessation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4137448A1 (de) *	1991-11-14	1993-05-19	Strema Maschinenbau Gmbh	Verfahren zum umwickeln von zylindrischen produkten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2023106929A1 (fr) *	2021-12-09	2023-06-15	Orkel Development As	Dispositif pour envelopper avec une feuille
EP4429451A4 (fr) *	2021-12-09	2025-10-29	Orkel Holding As	Dispositif pour envelopper avec une feuille

Also Published As

Publication number	Publication date
DE4313240A1 (de)	1994-10-27
DE4313240C2 (de)	2002-09-19
ATE155417T1 (de)	1997-08-15
ES2105401T3 (es)	1997-10-16
EP0621179B1 (fr)	1997-07-16

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1994-09-09	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
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1996-07-26	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
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Publication	Publication Date	Title
DE69203223T2 (de)	1995-11-02	Vorrichtung zum Umhüllen von palettierten Gegenständen in eine Plastikfolie.
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DE3615450A1 (de)	1987-11-12	Vorrichtung zum umwickeln von insbesondere stueckigem packgut mittels dehnfaehiger folie
EP0621179B1 (fr)	1997-07-16	Procédé pour envelopper des articles cylindriques
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